/* roulang page: index */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 110px;
            --space-section-lg: 88px;
            --space-section-md: 64px;
            --space-section-sm: 40px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }

        input::placeholder {
            color: var(--color-slate-light);
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(215, 38, 61, 0.35);
        }

        .header-cta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: var(--color-white);
            box-shadow: 0 4px 20px rgba(215, 38, 61, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 28px rgba(215, 38, 61, 0.4);
            color: var(--color-white);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(215, 38, 61, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--color-white);
        }

        .btn-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .btn-dark:hover {
            background: var(--color-primary-soft);
            transform: translateY(-1px);
            color: var(--color-white);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-border-strong);
        }

        .btn-outline-dark:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 15px;
        }

        .btn-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-base);
        }

        .btn-arrow:hover {
            gap: 8px;
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 20px;
            flex-shrink: 0;
        }

        /* ========== Mobile drawer ========== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 320px;
            max-width: 85vw;
            height: 100vh;
            background: var(--color-primary);
            z-index: 200;
            padding: 80px 24px 32px;
            transition: right var(--transition-slow);
            display: flex;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .nav-chip {
            display: flex;
            width: 100%;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-sm);
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-drawer .nav-chip.active {
            background: var(--color-accent);
            color: var(--color-white);
            border-bottom-color: transparent;
        }

        .mobile-drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-white);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 180;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-slow);
        }

        .drawer-backdrop.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-primary);
            padding: calc(var(--header-height) + 48px) 0 64px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            transform: scale(1.04);
            animation: heroZoom 12s ease-out forwards;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1.08);
            }
            100% {
                transform: scale(1.02);
            }
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(20, 20, 20, 0.78) 0%,
                    rgba(20, 20, 20, 0.55) 40%,
                    rgba(20, 20, 20, 0.78) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 55%;
            max-width: 680px;
            animation: fadeUp 0.7s ease forwards;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 20px;
            background: rgba(215, 38, 61, 0.12);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(215, 38, 61, 0.3);
        }

        .hero-badge-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulseDot 2s infinite;
        }

        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .hero-title {
            font-size: 56px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.18;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            animation: fadeUp 0.7s ease 0.1s forwards;
            opacity: 0;
        }

        .hero-title .highlight {
            color: var(--color-accent);
            display: block;
            font-size: 0.6em;
            font-weight: 700;
            letter-spacing: 0.08em;
            margin-top: 4px;
        }

        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 32px;
            animation: fadeUp 0.7s ease 0.2s forwards;
            opacity: 0;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            animation: fadeUp 0.7s ease 0.3s forwards;
            opacity: 0;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            animation: fadeUp 0.7s ease 0.4s forwards;
            opacity: 0;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-num {
            font-size: 32px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--color-white);
            letter-spacing: 0.02em;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
        }

        .hero-side {
            flex: 1 1 35%;
            min-width: 300px;
            max-width: 420px;
            animation: fadeUp 0.7s ease 0.25s forwards;
            opacity: 0;
        }

        .hero-side-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(12px);
        }

        .hero-side-card h3 {
            color: var(--color-white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-side-card h3::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .hero-side-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hero-side-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            transition: background var(--transition-base);
        }

        .hero-side-item:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .hero-side-item .indicator {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .hero-side-item .indicator.red {
            background: var(--color-accent);
        }
        .hero-side-item .indicator.green {
            background: var(--color-green);
        }
        .hero-side-item .indicator.white {
            background: rgba(255, 255, 255, 0.6);
        }

        .hero-side-item span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            flex: 1;
        }

        .hero-side-item strong {
            font-size: 14px;
            color: var(--color-white);
            font-weight: 700;
            font-family: var(--font-num);
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== Section common ========== */
        .section {
            padding: var(--space-section-lg) 0;
        }

        .section-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-title-group {
            flex: 1;
            min-width: 280px;
        }

        .section-eyebrow {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-eyebrow::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
            color: inherit;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.8;
            max-width: 480px;
            margin-top: 8px;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .section-dark .section-title {
            color: var(--color-white);
        }

        /* ========== Share / Rift Section ========== */
        .share-section {
            background: var(--color-bg);
        }

        .share-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .share-text h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .share-text p {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .share-text p strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .share-features {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .share-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 18px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base);
        }

        .share-feature-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .share-feature-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .share-feature-icon.alt {
            background: var(--color-accent);
        }

        .share-feature-body strong {
            font-size: 15px;
            font-weight: 600;
            display: block;
            margin-bottom: 2px;
        }

        .share-feature-body span {
            font-size: 13px;
            color: var(--color-slate);
            line-height: 1.6;
        }

        /* ========== Progress / Invite Section ========== */
        .progress-section {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .progress-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .progress-card {
            padding: 24px;
            border-radius: var(--radius-md);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .progress-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .progress-card .progress-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-slate);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .progress-card .progress-number {
            font-size: 44px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .progress-card .progress-number em {
            font-style: normal;
            font-size: 18px;
            color: var(--color-accent);
            margin-left: 2px;
        }

        .progress-bar {
            height: 6px;
            background: var(--color-border);
            border-radius: 3px;
            overflow: hidden;
            margin: 12px 0 8px;
        }

        .progress-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--color-accent);
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
            width: 0;
        }

        .progress-bar-fill.green {
            background: var(--color-green);
        }

        .progress-note {
            font-size: 13px;
            color: var(--color-slate);
            line-height: 1.6;
        }

        /* ========== Ranking Section ========== */
        .ranking-section {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .ranking-section .section-title {
            color: var(--color-white);
        }

        .ranking-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .ranking-table {
            background: var(--color-primary-soft);
            border-radius: var(--radius-lg);
            padding: 8px 4px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .ranking-row {
            display: flex;
            align-items: center;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
            gap: 12px;
        }

        .ranking-row:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .ranking-row.header {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 12px;
        }

        .ranking-pos {
            width: 40px;
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-num);
            text-align: center;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.5);
        }

        .ranking-row:not(.header) .ranking-pos {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-white);
        }

        .ranking-row:not(.header) .ranking-pos.top {
            color: var(--color-accent);
        }

        .ranking-name {
            flex: 1;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-white);
        }

        .ranking-value {
            font-size: 14px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--color-accent);
            flex-shrink: 0;
            min-width: 56px;
            text-align: right;
        }

        .ranking-trend {
            font-size: 12px;
            font-weight: 600;
            flex-shrink: 0;
            min-width: 40px;
            text-align: right;
        }

        .ranking-trend.up {
            color: var(--color-green);
        }
        .ranking-trend.down {
            color: rgba(255, 255, 255, 0.4);
        }

        .ranking-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .ranking-stat-card {
            background: var(--color-primary-soft);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .ranking-stat-card .big-num {
            font-size: 52px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--color-white);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .ranking-stat-card .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== News Section ========== */
        .news-section {
            background: var(--color-bg);
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 24px;
        }

        .news-featured {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .news-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .news-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-slate-light);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .news-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-primary);
            transition: color var(--transition-base);
        }

        .news-card:hover .news-card-title {
            color: var(--color-accent);
        }

        .news-card-summary {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-list-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
            flex-wrap: wrap;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .news-list-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            font-family: var(--font-num);
            flex-shrink: 0;
            min-width: 70px;
        }

        .news-list-title {
            flex: 1;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            min-width: 160px;
        }

        .news-list-item:hover .news-list-title {
            color: var(--color-accent);
        }

        .read-more-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(215, 38, 61, 0.3);
            transition: all var(--transition-base);
        }

        .read-more-btn:hover {
            background: var(--color-accent);
            color: var(--color-white);
            border-color: var(--color-accent);
        }

        /* ========== About / Brand Section ========== */
        .about-section {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .about-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            position: relative;
        }

        .about-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .about-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }

        .about-text h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .about-text p {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .about-text p strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .about-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .about-tag {
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--color-bg);
            color: var(--color-slate);
            border: 1px solid var(--color-border);
            letter-spacing: 0.03em;
        }

        /* ========== Deep Content Sections ========== */
        .deep-section {
            background: var(--color-bg);
        }

        .deep-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
            margin-bottom: 56px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .deep-block:last-child {
            margin-bottom: 0;
        }

        .deep-block.reverse {
            direction: rtl;
        }

        .deep-block.reverse>* {
            direction: ltr;
        }

        .deep-block-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
        }

        .deep-block-body {
            padding: 32px 36px;
        }

        .deep-block-body .block-label {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
            display: block;
        }

        .deep-block-body h3 {
            font-size: 25px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .deep-block-body .lead {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.7;
            margin-bottom: 12px;
            padding-left: 14px;
            border-left: 3px solid var(--color-accent);
        }

        .deep-block-body p {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        /* ========== Latest Updates ========== */
        .updates-section {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .updates-table {
            width: 100%;
            border-collapse: collapse;
        }

        .updates-table th {
            text-align: left;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-slate-light);
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-strong);
        }

        .updates-table td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-border);
            vertical-align: middle;
        }

        .updates-table tr:hover td {
            background: var(--color-bg);
        }

        .update-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--color-bg);
            color: var(--color-slate);
        }

        .update-status.live {
            background: rgba(46, 125, 50, 0.1);
            color: var(--color-green);
        }

        .update-status.upcoming {
            background: rgba(215, 38, 61, 0.08);
            color: var(--color-accent);
        }

        /* ========== Topics Section ========== */
        .topics-section {
            background: var(--color-bg);
        }

        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .topic-pill:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            transform: translateY(-1px);
        }

        .topic-pill .count {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-num);
        }

        .topic-pill:hover .count {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== Testimonials ========== */
        .testimonials-section {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--color-primary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            padding-left: 16px;
        }

        .testimonial-text::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -8px;
            font-size: 40px;
            color: var(--color-accent);
            font-weight: 800;
            line-height: 1;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-avatar.alt {
            background: var(--color-accent);
        }
        .testimonial-avatar.alt2 {
            background: var(--color-green);
        }

        .testimonial-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--color-slate-light);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: var(--color-primary);
            color: var(--color-white);
            padding: var(--space-section-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(215, 38, 61, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h3 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .cta-input {
            flex: 1;
            min-width: 240px;
            padding: 14px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-white);
            font-size: 14px;
        }

        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-input:focus {
            outline: none;
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
        }

        .cta-privacy {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 12px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0d0d0d;
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .footer-brand h4 span {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-col h5 {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== Scroll reveal ========== */
        .reveal {
            opacity: 0;
            transform: translateY(14px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1279px) {
            .hero-title {
                font-size: 48px;
            }
            .section-title {
                font-size: 30px;
            }
            .share-grid,
            .about-layout,
            .ranking-grid {
                gap: 32px;
            }
        }

        @media (max-width: 1023px) {
            .hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 32px;
            }
            .hero-side {
                max-width: 100%;
                width: 100%;
                min-width: auto;
            }
            .hero-title {
                font-size: 40px;
            }
            .share-grid,
            .about-layout,
            .ranking-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-featured {
                grid-template-columns: 1fr;
            }
            .testimonials-grid,
            .progress-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-block {
                grid-template-columns: 1fr;
            }
            .deep-block.reverse {
                direction: ltr;
            }
            .deep-block-img {
                min-height: 260px;
                max-height: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .nav-chips-wrap {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-cta .btn-text {
                display: none;
            }
            .header-cta .btn {
                padding: 10px 14px;
                font-size: 13px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .section-title {
                font-size: 26px;
            }
            .section {
                padding: var(--space-section-md) 0;
            }
            .testimonials-grid,
            .progress-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
            .hero-stat-num {
                font-size: 24px;
            }
            .ranking-row {
                padding: 10px 12px;
                gap: 8px;
            }
            .ranking-row:not(.header) .ranking-pos {
                font-size: 16px;
            }
            .deep-block-body {
                padding: 20px 22px;
            }
            .updates-table {
                font-size: 12px;
            }
            .updates-table th,
            .updates-table td {
                padding: 10px 8px;
                font-size: 12px;
            }
        }

        @media (max-width: 575px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 14px;
            }
            .section-title {
                font-size: 23px;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 14px;
            }
            .news-card-img {
                height: 160px;
            }
            .cta-inner h3 {
                font-size: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 110px;
            --space-section-lg: 88px;
            --space-section-md: 64px;
            --space-section-sm: 40px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }

        input::placeholder {
            color: var(--color-slate-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            color: var(--color-white);
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
            border: 1px solid var(--color-accent);
        }

        .nav-cta:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(215, 38, 61, 0.3);
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            padding: calc(var(--header-height) + 72px) 0 72px;
            background: var(--color-primary);
            color: var(--color-white);
            overflow: hidden;
            min-height: 440px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.32;
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.92) 0%, rgba(20, 20, 20, 0.55) 60%, rgba(20, 20, 20, 0.25) 100%);
            z-index: 2;
        }

        .page-hero .container {
            position: relative;
            z-index: 3;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.6);
                opacity: 0.5;
            }
        }

        .page-hero h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            max-width: 760px;
        }

        .page-hero h1 .accent {
            color: var(--color-accent);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin-bottom: 28px;
        }

        .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.03em;
        }

        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta .meta-item .icon {
            width: 16px;
            height: 16px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 9px;
        }

        /* ========== Sections ========== */
        .section {
            padding: var(--space-section-lg) 0;
        }

        .section-heading {
            margin-bottom: 36px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-heading .label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .section-heading .label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--color-accent);
        }

        .section-heading h2 {
            font-size: 34px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--color-primary);
            line-height: 1.3;
        }

        .section-heading .heading-note {
            font-size: 14px;
            color: var(--color-slate);
            max-width: 340px;
            line-height: 1.7;
        }

        /* ========== Featured Article ========== */
        .featured-article {
            margin-bottom: var(--space-section-md);
        }

        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-light);
            transition: box-shadow var(--transition-slow), transform var(--transition-slow);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .featured-image {
            position: relative;
            min-height: 380px;
            overflow: hidden;
        }

        .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .featured-card:hover .featured-image img {
            transform: scale(1.04);
        }

        .featured-image .image-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 14px;
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            border-radius: var(--radius-pill);
            z-index: 2;
        }

        .featured-content {
            padding: 30px 30px 28px 8px;
            display: flex;
            flex-direction: column;
        }

        .featured-content .article-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--color-slate);
            margin-bottom: 14px;
        }

        .featured-content .article-meta .date {
            color: var(--color-accent);
            font-weight: 500;
        }

        .featured-content h3 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--color-primary);
            letter-spacing: 0.01em;
        }

        .featured-content .excerpt {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-slate);
            flex: 1;
            margin-bottom: 18px;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            align-self: flex-start;
        }

        .read-more .arrow {
            display: inline-flex;
            transition: transform var(--transition-base);
        }

        .read-more:hover {
            color: var(--color-accent);
        }

        .read-more:hover .arrow {
            transform: translateX(5px);
        }

        /* ========== Article Stream ========== */
        .article-stream {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .stream-item {
            display: grid;
            grid-template-columns: 120px 1fr;
            gap: 20px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            cursor: pointer;
        }

        .stream-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
            transform: translateY(-2px);
        }

        .stream-item .stream-number {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-start;
            gap: 4px;
        }

        .stream-number .num {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            letter-spacing: 0.02em;
        }

        .stream-number .reading-time {
            font-size: 12px;
            color: var(--color-slate-light);
        }

        .stream-item .stream-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 6px;
            color: var(--color-primary);
            letter-spacing: 0.01em;
        }

        .stream-item .stream-body .stream-excerpt {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-slate);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .stream-item .stream-body .stream-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-slate-light);
        }

        .stream-item .stream-body .stream-meta .tag {
            padding: 2px 10px;
            background: var(--color-bg);
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 500;
            color: var(--color-slate);
            border: 1px solid var(--color-border);
        }

        /* ========== Topic Highlights ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
        }

        .topic-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .topic-card:hover img {
            transform: scale(1.05);
        }

        .topic-card .topic-body {
            padding: 18px 20px 20px;
        }

        .topic-card .topic-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-primary);
        }

        .topic-card .topic-body p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-slate);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-card .topic-body .read-more {
            font-size: 13px;
        }

        /* ========== Stats Band ========== */
        .stats-band {
            background: var(--color-primary);
            padding: 48px 0;
            color: var(--color-white);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-family: var(--font-num);
            font-size: 52px;
            font-weight: 800;
            letter-spacing: 0.01em;
            color: var(--color-accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.05em;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-num {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(215, 38, 61, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-question .faq-text {
            flex: 1;
        }

        .faq-question .faq-icon {
            font-size: 20px;
            font-weight: 300;
            color: var(--color-slate);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-slate);
        }

        /* ========== Pagination ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-slate);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            transition: all var(--transition-base);
        }

        .page-link:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .page-link.active {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
        }

        .page-link.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--color-border-strong);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-card);
            transition: all var(--transition-base);
            margin-top: 12px;
        }

        .load-more-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: var(--shadow-light);
            transform: translateY(-1px);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 72px 0;
            color: var(--color-white);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.68);
            max-width: 480px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }

        .cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            padding: 13px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--color-white);
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
        }

        .cta-form button {
            padding: 13px 26px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border: 1px solid var(--color-accent);
        }

        .cta-form button:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(215, 38, 61, 0.35);
        }

        .cta-privacy {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            margin-top: 14px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0d0d0d;
            color: rgba(255, 255, 255, 0.6);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand-col .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand-col .footer-logo span {
            color: var(--color-accent);
        }

        .footer-brand-col .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.45);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-white);
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom .footer-bottom-links a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== Animations ========== */
        @keyframes fade-up {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fade-up 0.6s ease forwards;
        }

        .stagger-1 {
            animation-delay: 60ms;
        }
        .stagger-2 {
            animation-delay: 120ms;
        }
        .stagger-3 {
            animation-delay: 180ms;
        }
        .stagger-4 {
            animation-delay: 240ms;
        }
        .stagger-5 {
            animation-delay: 300ms;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1279px) {
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-content {
                padding: 24px 28px 28px;
            }
            .featured-image {
                min-height: 300px;
            }
        }

        @media (max-width: 1023px) {
            .page-hero h1 {
                font-size: 42px;
            }
            .section-heading h2 {
                font-size: 28px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-number {
                font-size: 42px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .nav-cta {
                padding: 9px 16px;
                font-size: 13px;
            }
            .nav-chip {
                padding: 7px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section-xl: 64px;
                --space-section-lg: 52px;
                --space-section-md: 40px;
                --space-section-sm: 28px;
            }
            .page-hero {
                min-height: 340px;
                padding: calc(var(--header-height) + 44px) 0 44px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .stream-item {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stream-number .num {
                font-size: 24px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .featured-image {
                min-height: 220px;
            }
            .featured-content {
                padding: 20px;
            }
            .featured-content h3 {
                font-size: 20px;
            }
            .cta-form {
                flex-direction: column;
                gap: 8px;
            }
            .cta-form input,
            .cta-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .header-inner {
                gap: 8px;
            }
            .logo-area {
                min-width: auto;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .nav-cta {
                padding: 8px 12px;
                font-size: 12px;
                gap: 4px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stat-item .stat-number {
                font-size: 36px;
            }
        }

        @media (max-width: 575px) {
            .page-hero h1 {
                font-size: 27px;
            }
            .section-heading h2 {
                font-size: 21px;
            }
            .featured-content h3 {
                font-size: 18px;
            }
            .topic-card img {
                height: 160px;
            }
            .pagination {
                gap: 5px;
            }
            .page-link {
                min-width: 32px;
                height: 32px;
                font-size: 12px;
                padding: 0 8px;
            }
            .faq-question {
                padding: 15px 16px;
                font-size: 14px;
            }
            .faq-question .faq-num {
                width: 24px;
                height: 24px;
                font-size: 12px;
            }
            .nav-chip {
                padding: 6px 10px;
                font-size: 12px;
            }
            .nav-cta {
                padding: 7px 10px;
                font-size: 11px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .logo-text {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 110px;
            --space-section-lg: 88px;
            --space-section-md: 64px;
            --space-section-sm: 40px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }

        input::placeholder {
            color: var(--color-slate-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
            font-family: var(--font-num);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            color: var(--color-white);
            background: var(--color-accent);
            font-weight: 600;
            border-color: var(--color-accent);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(215, 38, 61, 0.35);
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            padding: calc(var(--header-height) + 64px) 0 56px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.92) 0%, rgba(20, 20, 20, 0.78) 45%, rgba(20, 20, 20, 0.62) 100%);
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 48px;
            align-items: center;
        }

        .hero-left {
            color: var(--color-white);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(215, 38, 61, 0.18);
            border: 1px solid rgba(215, 38, 61, 0.4);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: #ff8a9a;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }

        .hero-badge::before {
            content: '';
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            color: var(--color-white);
        }

        .page-hero h1 span {
            color: var(--color-accent);
        }

        .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 520px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-filter-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            cursor: pointer;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
        }

        .filter-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.28);
        }

        .filter-chip.active {
            color: var(--color-white);
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .hero-right-panel {
            background: rgba(20, 20, 20, 0.72);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-panel-title {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 12px;
        }

        .panel-trend-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .panel-trend-item:last-child {
            border-bottom: none;
        }

        .trend-name {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .trend-index {
            font-size: 11px;
            font-weight: 700;
            font-family: var(--font-num);
            color: rgba(255, 255, 255, 0.4);
            width: 22px;
            text-align: center;
            flex-shrink: 0;
        }

        .trend-value {
            font-size: 16px;
            font-weight: 700;
            font-family: var(--font-num);
            color: var(--color-accent);
            letter-spacing: 0.02em;
        }

        .trend-value.green {
            color: #4CAF50;
        }

        /* ========== Main News Section ========== */
        .news-section {
            padding: var(--space-section-lg) 0 var(--space-section-md);
            background: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        .news-list-col {
            min-width: 0;
        }

        .section-heading-row {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 28px;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 14px;
        }

        .section-heading-row h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--color-primary);
        }

        .section-heading-row .count-label {
            font-size: 13px;
            color: var(--color-slate);
            font-family: var(--font-num);
        }

        .news-card {
            display: grid;
            grid-template-columns: 220px 1fr;
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 20px;
            transition: all var(--transition-slow);
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--color-border-strong);
        }

        .news-card-img {
            position: relative;
            overflow: hidden;
            min-height: 180px;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.03);
        }

        .news-card-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
        }

        .news-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-slate);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            font-family: var(--font-num);
        }

        .news-date::before {
            content: '';
            width: 5px;
            height: 5px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .news-card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .news-card-title:hover {
            color: var(--color-accent);
        }

        .news-card-excerpt {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .news-tag {
            display: inline-flex;
            padding: 4px 12px;
            background: rgba(20, 20, 20, 0.05);
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 500;
            color: var(--color-slate);
            letter-spacing: 0.04em;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
        }

        .read-more-link .arrow {
            transition: transform var(--transition-base);
            display: inline-block;
        }

        .read-more-link:hover {
            color: var(--color-accent-hover);
        }

        .read-more-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== Sidebar ========== */
        .sidebar-col {
            position: sticky;
            top: calc(var(--header-height) + 24px);
        }

        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 24px;
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }

        .sidebar-card-title {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card-title::before {
            content: '';
            width: 4px;
            height: 18px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .hot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hot-list-item {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .hot-list-item:last-child {
            border-bottom: none;
        }

        .hot-list-item:hover {
            padding-left: 6px;
        }

        .hot-rank {
            font-size: 22px;
            font-weight: 800;
            font-family: var(--font-num);
            color: rgba(20, 20, 20, 0.15);
            line-height: 1;
            flex-shrink: 0;
            width: 28px;
            text-align: center;
        }

        .hot-list-item:nth-child(1) .hot-rank {
            color: var(--color-accent);
        }
        .hot-list-item:nth-child(2) .hot-rank {
            color: #e88a3d;
        }
        .hot-list-item:nth-child(3) .hot-rank {
            color: #c9a227;
        }

        .hot-content h5 {
            font-size: 13px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-primary);
            margin-bottom: 4px;
            transition: color var(--transition-base);
        }

        .hot-content h5:hover {
            color: var(--color-accent);
        }

        .hot-content p {
            font-size: 12px;
            color: var(--color-slate-light);
            line-height: 1.5;
        }

        .sidebar-mini-banner {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 20px;
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }

        .sidebar-mini-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: var(--color-accent);
            border-radius: 50%;
            opacity: 0.2;
        }

        .sidebar-mini-banner h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-white);
            position: relative;
            z-index: 1;
        }

        .sidebar-mini-banner p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .sidebar-mini-banner .mini-link {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            position: relative;
            z-index: 1;
        }

        /* ========== Data Snapshot ========== */
        .data-snapshot {
            padding: var(--space-section-md) 0;
            background: var(--color-primary);
            position: relative;
        }

        .data-snapshot::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(215, 38, 61, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(46, 125, 50, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 1;
        }

        .snapshot-item {
            text-align: left;
            padding: 8px 0;
        }

        .snapshot-number {
            font-size: 52px;
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--color-accent);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .snapshot-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
            letter-spacing: 0.05em;
            font-weight: 500;
        }

        .snapshot-detail {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 4px;
            line-height: 1.5;
        }

        /* ========== Editor's Pick ========== */
        .editors-pick {
            padding: var(--space-section-lg) 0 var(--space-section-md);
            background: var(--color-bg);
        }

        .pick-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .pick-heading h2 {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: var(--color-primary);
        }

        .pick-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .pick-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-slow);
        }

        .pick-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .pick-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .pick-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .pick-card:hover .pick-card-img img {
            transform: scale(1.04);
        }

        .pick-card-body {
            padding: 18px 20px;
        }

        .pick-tag {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(215, 38, 61, 0.08);
            color: var(--color-accent);
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .pick-card-title {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .pick-card-title:hover {
            color: var(--color-accent);
        }

        .pick-card-desc {
            font-size: 13px;
            color: var(--color-slate);
            line-height: 1.7;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(215, 38, 61, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 400px;
            gap: 48px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .cta-text h2 span {
            color: var(--color-accent);
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            max-width: 520px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .cta-form label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .cta-input-group {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        .cta-input-group input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-white);
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .cta-input-group input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-input-group input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
            outline: none;
        }

        .cta-submit-btn {
            padding: 12px 24px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }

        .cta-submit-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(215, 38, 61, 0.35);
        }

        .cta-privacy {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0d0d0d;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand-col .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: 0.06em;
            display: inline-block;
            margin-bottom: 14px;
        }

        .footer-logo span {
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        .footer-bottom-links {
            display: inline-flex;
            gap: 6px;
            margin-left: auto;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 12px;
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1279px) {
            .snapshot-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
            .snapshot-number {
                font-size: 42px;
            }
        }

        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right-panel {
                max-width: 480px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .sidebar-col {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .pick-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .header-cta {
                padding: 8px 14px;
                font-size: 12px;
            }
            .page-hero {
                padding: calc(var(--header-height) + 40px) 0 40px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 767px) {
            .header-inner {
                gap: 8px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .nav-chip {
                padding: 7px 12px;
                font-size: 12px;
            }
            .header-cta {
                padding: 8px 12px;
                font-size: 11px;
            }
            .news-card {
                grid-template-columns: 1fr;
            }
            .news-card-img {
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .news-card-body {
                padding: 16px 18px;
            }
            .sidebar-col {
                grid-template-columns: 1fr;
            }
            .pick-grid {
                grid-template-columns: 1fr;
            }
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .snapshot-number {
                font-size: 34px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
            }
            .cta-input-group {
                flex-direction: column;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-sub {
                font-size: 14px;
            }
        }

        @media (max-width: 575px) {
            .container {
                padding: 0 16px;
            }
            .page-hero {
                padding: calc(var(--header-height) + 32px) 0 28px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 5px 12px;
            }
            .hero-filter-chips {
                gap: 6px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 11px;
            }
            .section-heading-row h2 {
                font-size: 20px;
            }
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .snapshot-number {
                font-size: 28px;
            }
            .snapshot-label {
                font-size: 11px;
            }
            .snapshot-detail {
                font-size: 10px;
            }
        }

        /* ========== Load Animation ========== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }

        .fade-up-delay-1 {
            animation: fadeUp 0.6s ease 0.08s forwards;
            opacity: 0;
        }

        .fade-up-delay-2 {
            animation: fadeUp 0.6s ease 0.16s forwards;
            opacity: 0;
        }

        .fade-up-delay-3 {
            animation: fadeUp 0.6s ease 0.24s forwards;
            opacity: 0;
        }

        .fade-up-delay-4 {
            animation: fadeUp 0.6s ease 0.32s forwards;
            opacity: 0;
        }

        .fade-up-delay-5 {
            animation: fadeUp 0.6s ease 0.4s forwards;
            opacity: 0;
        }

/* roulang page: category3 */
:root {
        --color-primary: #141414;
        --color-primary-soft: #1f1f1f;
        --color-accent: #D7263D;
        --color-accent-hover: #b81f34;
        --color-bg: #FAF8F4;
        --color-card: #FFFFFF;
        --color-slate: #6B6B6B;
        --color-slate-light: #949494;
        --color-border: rgba(0, 0, 0, 0.07);
        --color-border-strong: rgba(0, 0, 0, 0.12);
        --color-green: #2E7D32;
        --color-white: #FFFFFF;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 18px;
        --radius-pill: 999px;
        --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
        --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
        --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
        --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
        --container-max: 1200px;
        --space-section-xl: 110px;
        --space-section-lg: 88px;
        --space-section-md: 64px;
        --space-section-sm: 40px;
        --transition-base: 160ms ease;
        --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        --header-height: 72px;
    }

    /* roulang page: data-ranking */
    :root {
        --color-primary: #141414;
        --color-primary-soft: #1f1f1f;
        --color-accent: #D7263D;
        --color-accent-hover: #b81f34;
        --color-bg: #FAF8F4;
        --color-card: #FFFFFF;
        --color-slate: #6B6B6B;
        --color-slate-light: #949494;
        --color-border: rgba(0, 0, 0, 0.07);
        --color-border-strong: rgba(0, 0, 0, 0.12);
        --color-green: #2E7D32;
        --color-white: #FFFFFF;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 18px;
        --radius-pill: 999px;
        --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
        --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
        --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
        --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
        --container-max: 1200px;
        --space-section-xl: 110px;
        --space-section-lg: 88px;
        --space-section-md: 64px;
        --space-section-sm: 40px;
        --transition-base: 160ms ease;
        --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        --header-height: 72px;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        font-size: 16px;
    }

    body {
        font-family: var(--font-cn);
        background-color: var(--color-bg);
        color: var(--color-primary);
        line-height: 1.75;
        overflow-x: hidden;
        letter-spacing: 0.01em;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-base);
    }

    a:hover {
        color: var(--color-accent);
    }

    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
        transition: all var(--transition-base);
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    input {
        font-family: inherit;
        border: none;
        transition: all var(--transition-base);
    }

    input::placeholder {
        color: var(--color-slate-light);
    }

    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ========== Header & Navigation ========== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        height: var(--header-height);
        background: rgba(20, 20, 20, 0.82);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: background var(--transition-slow), box-shadow var(--transition-slow);
    }

    .site-header.scrolled {
        background: rgba(20, 20, 20, 0.96);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        height: 100%;
    }

    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        min-width: 120px;
    }

    .logo-mark {
        width: 40px;
        height: 40px;
        background: var(--color-accent);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 18px;
        color: var(--color-white);
        letter-spacing: 0.05em;
        flex-shrink: 0;
    }

    .logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--color-white);
        letter-spacing: 0.06em;
        white-space: nowrap;
    }

    .logo-text span {
        color: var(--color-accent);
    }

    .nav-chips-wrap {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow-x: auto;
        padding: 0 8px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .nav-chips-wrap::-webkit-scrollbar {
        display: none;
    }

    .nav-chips {
        display: flex;
        align-items: center;
        gap: 4px;
        white-space: nowrap;
        padding: 4px;
        border-radius: var(--radius-pill);
    }

    .nav-chip {
        display: inline-flex;
        align-items: center;
        padding: 8px 16px;
        border-radius: var(--radius-pill);
        font-size: 14px;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.72);
        transition: all var(--transition-base);
        letter-spacing: 0.02em;
        flex-shrink: 0;
        border: 1px solid transparent;
    }

    .nav-chip:hover {
        color: var(--color-white);
        background: rgba(255, 255, 255, 0.08);
    }

    .nav-chip.active {
        color: var(--color-white);
        background: var(--color-accent);
        font-weight: 600;
        border-color: var(--color-accent);
    }

    .header-cta {
        flex-shrink: 0;
        background: var(--color-accent);
        color: var(--color-white);
        padding: 10px 20px;
        border-radius: var(--radius-pill);
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.04em;
        white-space: nowrap;
        transition: all var(--transition-base);
        border: 1px solid transparent;
    }

    .header-cta:hover {
        background: var(--color-accent-hover);
        color: var(--color-white);
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(215, 38, 61, 0.25);
    }

    /* Mobile menu button */
    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 4px;
        background: rgba(255, 255, 255, 0.08);
        flex-shrink: 0;
    }

    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--color-white);
        border-radius: 2px;
        transition: all var(--transition-base);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* Mobile drawer */
    .nav-drawer {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-primary);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 99;
        padding: 16px 24px 24px;
        flex-direction: column;
        gap: 6px;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
    }

    .nav-drawer.open {
        max-height: 500px;
    }

    .nav-drawer .nav-chip {
        display: block;
        width: 100%;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        color: rgba(255, 255, 255, 0.75);
        border: 1px solid transparent;
    }

    .nav-drawer .nav-chip:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--color-white);
    }

    .nav-drawer .nav-chip.active {
        background: var(--color-accent);
        color: var(--color-white);
        border-color: var(--color-accent);
    }

    /* ========== Buttons ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 13px 28px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.03em;
        transition: all var(--transition-base);
        white-space: nowrap;
        line-height: 1.4;
    }

    .btn-primary {
        background: var(--color-accent);
        color: var(--color-white);
        border: 1px solid var(--color-accent);
    }

    .btn-primary:hover {
        background: var(--color-accent-hover);
        border-color: var(--color-accent-hover);
        color: var(--color-white);
        transform: translateY(-1px);
        box-shadow: 0 8px 24px rgba(215, 38, 61, 0.25);
    }

    .btn-secondary {
        background: transparent;
        color: var(--color-white);
        border: 1px solid rgba(255, 255, 255, 0.4);
    }

    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.1);
        color: var(--color-white);
        border-color: rgba(255, 255, 255, 0.7);
        transform: translateY(-1px);
    }

    .btn-dark {
        background: var(--color-primary);
        color: var(--color-white);
        border: 1px solid var(--color-primary);
    }

    .btn-dark:hover {
        background: var(--color-primary-soft);
        color: var(--color-white);
        transform: translateY(-1px);
        box-shadow: var(--shadow-card);
    }

    .btn-outline {
        background: transparent;
        color: var(--color-primary);
        border: 1px solid var(--color-border-strong);
    }

    .btn-outline:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
        transform: translateY(-1px);
    }

    .btn-text {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--color-accent);
        font-size: 15px;
        font-weight: 600;
        padding: 4px 0;
        position: relative;
    }

    .btn-text::after {
        content: '→';
        transition: transform var(--transition-base);
        display: inline-block;
    }

    .btn-text:hover::after {
        transform: translateX(4px);
    }

    .btn-text:hover {
        color: var(--color-accent-hover);
    }

    /* ========== Badge ========== */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 5px 14px;
        border-radius: var(--radius-pill);
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
    }

    .badge-accent {
        background: rgba(215, 38, 61, 0.1);
        color: var(--color-accent);
    }

    .badge-dark {
        background: var(--color-primary);
        color: var(--color-white);
    }

    .badge-green {
        background: rgba(46, 125, 50, 0.12);
        color: var(--color-green);
    }

    .badge-light {
        background: rgba(255, 255, 255, 0.14);
        color: var(--color-white);
    }

    /* ========== Hero ========== */
    .hero-ranking {
        padding-top: calc(var(--header-height) + 60px);
        padding-bottom: 70px;
        background: linear-gradient(180deg, #141414 0%, #1a1a1a 55%, #1f1f1f 100%);
        position: relative;
        overflow: hidden;
        min-height: 600px;
        display: flex;
        align-items: center;
    }

    .hero-ranking::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.2;
        z-index: 1;
    }

    .hero-ranking::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(20,20,20,0.55) 0%, rgba(20,20,20,0.88) 75%, #141414 100%);
        z-index: 1;
    }

    .hero-ranking .container {
        position: relative;
        z-index: 2;
    }

    .hero-ranking-grid {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 48px;
        align-items: center;
    }

    .hero-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, 0.55);
        font-size: 14px;
        margin-bottom: 20px;
        letter-spacing: 0.04em;
    }

    .hero-breadcrumb a {
        color: rgba(255, 255, 255, 0.55);
        transition: color var(--transition-base);
    }

    .hero-breadcrumb a:hover {
        color: var(--color-accent);
    }

    .hero-breadcrumb span {
        color: var(--color-accent);
        font-weight: 600;
    }

    .hero-ranking h1 {
        font-size: 52px;
        font-weight: 800;
        line-height: 1.2;
        color: var(--color-white);
        letter-spacing: -0.01em;
        margin-bottom: 20px;
    }

    .hero-ranking h1 .highlight {
        color: var(--color-accent);
    }

    .hero-ranking .hero-subtitle {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.7);
        line-height: 1.85;
        max-width: 520px;
        margin-bottom: 28px;
    }

    .hero-ranking-cta {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }

    .hero-rank-panel {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-lg);
        padding: 28px;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .hero-rank-panel .panel-label {
        color: rgba(255, 255, 255, 0.6);
        font-size: 13px;
        letter-spacing: 0.08em;
        margin-bottom: 16px;
        font-weight: 500;
    }

    .hero-rank-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .hero-rank-item:last-child {
        border-bottom: none;
    }

    .hero-rank-num {
        width: 32px;
        height: 32px;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.1);
        color: var(--color-white);
        font-family: var(--font-num);
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        flex-shrink: 0;
    }

    .hero-rank-num.top1 {
        background: var(--color-accent);
    }

    .hero-rank-info {
        flex: 1;
    }

    .hero-rank-name {
        color: var(--color-white);
        font-weight: 600;
        font-size: 15px;
        letter-spacing: 0.02em;
    }

    .hero-rank-meta {
        color: rgba(255, 255, 255, 0.5);
        font-size: 12px;
        letter-spacing: 0.03em;
    }

    .hero-rank-value {
        font-family: var(--font-num);
        font-weight: 700;
        font-size: 18px;
        color: var(--color-accent);
    }

    /* ========== Section Common ========== */
    section {
        padding: var(--space-section-lg) 0;
    }

    .section-head {
        margin-bottom: 40px;
    }

    .section-head .section-label {
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--color-accent);
        margin-bottom: 10px;
    }

    .section-head h2 {
        font-size: 36px;
        font-weight: 800;
        color: var(--color-primary);
        letter-spacing: -0.02em;
        line-height: 1.3;
    }

    .section-head p {
        font-size: 16px;
        color: var(--color-slate);
        margin-top: 12px;
        max-width: 600px;
        line-height: 1.8;
    }

    /* ========== Stats Grid ========== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .stat-card {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 28px 24px;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
    }

    .stat-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--color-accent);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition-slow);
    }

    .stat-card:hover::before {
        transform: scaleX(1);
    }

    .stat-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }

    .stat-number {
        font-family: var(--font-num);
        font-size: 52px;
        font-weight: 800;
        color: var(--color-primary);
        line-height: 1.1;
        letter-spacing: -0.02em;
    }

    .stat-number .stat-unit {
        font-size: 20px;
        font-weight: 600;
        color: var(--color-slate);
        margin-left: 4px;
    }

    .stat-label {
        font-size: 15px;
        color: var(--color-slate);
        font-weight: 500;
        margin-top: 8px;
        letter-spacing: 0.02em;
    }

    .stat-trend {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 13px;
        font-weight: 600;
        font-family: var(--font-num);
        margin-top: 10px;
    }

    .stat-trend.up {
        color: var(--color-green);
    }

    .stat-trend.down {
        color: var(--color-accent);
    }

    /* ========== Ranking Table ========== */
    .ranking-section {
        background: var(--color-primary);
        position: relative;
        overflow: hidden;
    }

    .ranking-section::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -30%;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: rgba(215, 38, 61, 0.06);
        pointer-events: none;
    }

    .ranking-section .section-head h2 {
        color: var(--color-white);
    }

    .ranking-section .section-head p {
        color: rgba(255, 255, 255, 0.6);
    }

    .ranking-section .section-label {
        color: var(--color-accent);
    }

    .rank-table-wrap {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius-lg);
        overflow: hidden;
        backdrop-filter: blur(8px);
    }

    .rank-table-header {
        display: grid;
        grid-template-columns: 60px 1fr 120px 120px 100px;
        gap: 12px;
        padding: 16px 20px;
        background: rgba(255, 255, 255, 0.06);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: rgba(255, 255, 255, 0.5);
        text-transform: uppercase;
    }

    .rank-table-row {
        display: grid;
        grid-template-columns: 60px 1fr 120px 120px 100px;
        gap: 12px;
        padding: 16px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        align-items: center;
        transition: background var(--transition-base);
    }

    .rank-table-row:last-child {
        border-bottom: none;
    }

    .rank-table-row:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    .rank-pos {
        font-family: var(--font-num);
        font-weight: 700;
        font-size: 18px;
        color: rgba(255, 255, 255, 0.7);
    }

    .rank-pos.top-rank {
        color: var(--color-accent);
        font-size: 20px;
    }

    .rank-team {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .rank-team-name {
        color: var(--color-white);
        font-weight: 600;
        font-size: 15px;
        letter-spacing: 0.02em;
    }

    .rank-stat-cell {
        font-family: var(--font-num);
        font-size: 15px;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.85);
    }

    .rank-stat-cell.highlight-cell {
        color: var(--color-accent);
        font-weight: 700;
    }

    .rank-change {
        font-family: var(--font-num);
        font-size: 14px;
        font-weight: 600;
    }

    .rank-change.up {
        color: var(--color-green);
    }

    .rank-change.down {
        color: var(--color-accent);
    }

    .rank-change.stay {
        color: rgba(255, 255, 255, 0.4);
    }

    /* ========== Rank Bars ========== */
    .rank-bars-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }

    .rank-bar-group {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 28px;
    }

    .rank-bar-group h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 6px;
        letter-spacing: 0.01em;
    }

    .rank-bar-group .group-desc {
        font-size: 14px;
        color: var(--color-slate);
        margin-bottom: 20px;
    }

    .rank-bar-item {
        margin-bottom: 18px;
    }

    .rank-bar-item:last-child {
        margin-bottom: 0;
    }

    .rank-bar-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 8px;
    }

    .rank-bar-name {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-primary);
    }

    .rank-bar-value {
        font-family: var(--font-num);
        font-size: 14px;
        font-weight: 700;
        color: var(--color-accent);
    }

    .rank-bar-track {
        height: 8px;
        background: var(--color-border);
        border-radius: var(--radius-pill);
        overflow: hidden;
    }

    .rank-bar-fill {
        height: 100%;
        border-radius: var(--radius-pill);
        background: var(--color-accent);
        transition: width var(--transition-slow);
        position: relative;
    }

    .rank-bar-fill.green-fill {
        background: var(--color-green);
    }

    .rank-bar-fill.dark-fill {
        background: var(--color-primary);
    }

    /* ========== Data Long Text ========== */
    .data-longtext {
        background: var(--color-bg);
    }

    .data-longtext-grid {
        display: grid;
        grid-template-columns: 0.9fr 1.1fr;
        gap: 48px;
        align-items: start;
    }

    .data-longtext-aside {
        position: sticky;
        top: calc(var(--header-height) + 30px);
    }

    .data-longtext-aside .cover-img {
        border-radius: var(--radius-lg);
        overflow: hidden;
        margin-bottom: 20px;
        box-shadow: var(--shadow-light);
    }

    .data-longtext-aside .cover-img img {
        width: 100%;
        object-fit: cover;
        aspect-ratio: 4/3;
    }

    .data-longtext-aside .aside-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--color-slate);
        background: var(--color-card);
        border: 1px solid var(--color-border);
        padding: 6px 14px;
        border-radius: var(--radius-pill);
        margin-bottom: 12px;
    }

    .data-longtext-body h3 {
        font-size: 28px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 16px;
        line-height: 1.35;
    }

    .data-longtext-body p {
        font-size: 16px;
        line-height: 1.9;
        color: #3a3a3a;
        margin-bottom: 16px;
    }

    .data-longtext-body .highlight-box {
        background: var(--color-card);
        border-left: 4px solid var(--color-accent);
        padding: 20px 24px;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 20px 0;
        font-size: 15px;
        line-height: 1.8;
        color: var(--color-primary);
        box-shadow: var(--shadow-card);
    }

    /* ========== Trend Section ========== */
    .trend-section {
        background: var(--color-card);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }

    .trend-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .trend-card {
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 24px;
        transition: all var(--transition-base);
    }

    .trend-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }

    .trend-card .trend-date {
        font-size: 13px;
        color: var(--color-slate);
        font-family: var(--font-num);
        letter-spacing: 0.04em;
        margin-bottom: 8px;
    }

    .trend-card h4 {
        font-size: 17px;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 10px;
        line-height: 1.45;
    }

    .trend-card p {
        font-size: 14px;
        color: var(--color-slate);
        line-height: 1.75;
    }

    .trend-card .trend-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 14px;
        font-size: 13px;
        font-weight: 600;
    }

    /* ========== FAQ ========== */
    .faq-section {
        background: var(--color-bg);
    }

    .faq-grid {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--transition-base);
    }

    .faq-item:hover {
        box-shadow: var(--shadow-card);
    }

    .faq-question {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 18px 22px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--color-primary);
        letter-spacing: 0.01em;
        transition: all var(--transition-base);
    }

    .faq-question .faq-num {
        font-family: var(--font-num);
        font-size: 14px;
        font-weight: 700;
        color: var(--color-accent);
        flex-shrink: 0;
        width: 28px;
    }

    .faq-question .faq-toggle {
        margin-left: auto;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--color-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: var(--color-slate);
        transition: all var(--transition-base);
        flex-shrink: 0;
    }

    .faq-item.active .faq-toggle {
        transform: rotate(45deg);
        background: var(--color-accent);
        color: var(--color-white);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
        padding: 0 22px;
    }

    .faq-item.active .faq-answer {
        max-height: 300px;
        padding-bottom: 18px;
    }

    .faq-answer p {
        font-size: 15px;
        color: var(--color-slate);
        line-height: 1.85;
    }

    /* ========== CTA ========== */
    .cta-section {
        background: linear-gradient(135deg, #141414 0%, #1a1a1a 50%, #0d0d0d 100%);
        color: var(--color-white);
        padding: var(--space-section-xl) 0;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(215, 38, 61, 0.15) 0%, transparent 70%);
        pointer-events: none;
    }

    .cta-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
        position: relative;
        z-index: 2;
    }

    .cta-inner h2 {
        font-size: 36px;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.01em;
        margin-bottom: 16px;
    }

    .cta-inner h2 span {
        color: var(--color-accent);
    }

    .cta-inner p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.65);
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .cta-form {
        display: flex;
        gap: 10px;
        flex-wrap: wrap;
    }

    .cta-form input {
        flex: 1;
        min-width: 220px;
        padding: 14px 20px;
        border-radius: var(--radius-pill);
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: var(--color-white);
        font-size: 15px;
        letter-spacing: 0.02em;
    }

    .cta-form input::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }

    .cta-form input:focus {
        border-color: var(--color-accent);
        background: rgba(255, 255, 255, 0.12);
        outline: none;
        box-shadow: 0 0 0 3px rgba(215, 38, 61, 0.15);
    }

    .cta-privacy {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.35);
        margin-top: 12px;
        letter-spacing: 0.02em;
    }

    /* ========== Footer ========== */
    .site-footer {
        background: #0d0d0d;
        color: rgba(255, 255, 255, 0.7);
        padding: 56px 0 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 36px;
    }

    .footer-logo {
        font-size: 24px;
        font-weight: 700;
        color: var(--color-white);
        letter-spacing: 0.06em;
        display: inline-block;
        margin-bottom: 14px;
    }

    .footer-logo span {
        color: var(--color-accent);
    }

    .footer-desc {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.5);
        max-width: 300px;
    }

    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--color-white);
        letter-spacing: 0.08em;
        margin-bottom: 16px;
    }

    .footer-col a {
        display: block;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
        margin-bottom: 10px;
        transition: color var(--transition-base);
    }

    .footer-col a:hover {
        color: var(--color-accent);
    }

    .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px 20px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.4);
        letter-spacing: 0.03em;
    }

    .footer-bottom-links {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .footer-bottom-links a {
        color: rgba(255, 255, 255, 0.55);
        font-size: 12px;
        transition: color var(--transition-base);
    }

    .footer-bottom-links a:hover {
        color: var(--color-accent);
    }

    /* ========== Responsive ========== */
    @media screen and (max-width: 1023px) {
        :root {
            --space-section-xl: 80px;
            --space-section-lg: 64px;
            --space-section-md: 48px;
        }

        .hero-ranking h1 {
            font-size: 40px;
        }

        .hero-ranking-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .hero-rank-panel {
            max-width: 500px;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .rank-table-header,
        .rank-table-row {
            grid-template-columns: 50px 1fr 90px 90px 80px;
            gap: 8px;
            padding: 14px 16px;
        }

        .rank-bars-grid {
            grid-template-columns: 1fr;
        }

        .data-longtext-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .data-longtext-aside {
            position: static;
            max-width: 480px;
        }

        .trend-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .cta-inner {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    @media screen and (max-width: 767px) {
        :root {
            --space-section-xl: 64px;
            --space-section-lg: 48px;
            --space-section-md: 32px;
            --header-height: 64px;
        }

        .header-inner {
            gap: 8px;
        }

        .logo-area {
            min-width: auto;
        }

        .logo-text {
            font-size: 17px;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            font-size: 15px;
        }

        .nav-chips-wrap {
            display: none;
        }

        .nav-toggle {
            display: flex;
        }

        .nav-drawer {
            display: flex;
        }

        .header-cta {
            padding: 8px 14px;
            font-size: 13px;
        }

        .hero-ranking {
            padding-top: calc(var(--header-height) + 36px);
            padding-bottom: 48px;
            min-height: auto;
        }

        .hero-ranking h1 {
            font-size: 32px;
        }

        .hero-ranking .hero-subtitle {
            font-size: 15px;
        }

        .hero-ranking-cta {
            flex-direction: column;
            align-items: flex-start;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .stat-card {
            padding: 20px 16px;
        }

        .stat-number {
            font-size: 36px;
        }

        .stat-number .stat-unit {
            font-size: 15px;
        }

        .stat-label {
            font-size: 13px;
        }

        .section-head h2 {
            font-size: 26px;
        }

        .rank-table-header {
            display: none;
        }

        .rank-table-row {
            grid-template-columns: 40px 1fr auto;
            gap: 8px;
            padding: 12px 14px;
        }

        .rank-stat-cell.hide-mobile {
            display: none;
        }

        .rank-table-row .rank-stat-cell:nth-child(3),
        .rank-table-row .rank-stat-cell:nth-child(4) {
            display: none;
        }

        .rank-pos {
            font-size: 16px;
        }

        .rank-team-name {
            font-size: 13px;
        }

        .rank-bar-group {
            padding: 20px 16px;
        }

        .data-longtext-body h3 {
            font-size: 22px;
        }

        .data-longtext-body p {
            font-size: 14px;
        }

        .trend-grid {
            grid-template-columns: 1fr;
        }

        .faq-question {
            font-size: 14px;
            padding: 14px 16px;
            gap: 8px;
        }

        .cta-inner h2 {
            font-size: 26px;
        }

        .cta-form input {
            min-width: 100%;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .footer-brand-col {
            grid-column: span 2;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
        }
    }

    @media screen and (max-width: 575px) {
        .container {
            padding: 0 16px;
        }

        .hero-ranking {
            padding-top: calc(var(--header-height) + 24px);
            padding-bottom: 36px;
        }

        .hero-ranking h1 {
            font-size: 27px;
        }

        .hero-ranking .hero-subtitle {
            font-size: 14px;
        }

        .stats-grid {
            grid-template-columns: 1fr;
            gap: 10px;
        }

        .stat-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px;
        }

        .stat-number {
            font-size: 32px;
            flex-shrink: 0;
        }

        .stat-label {
            margin-top: 0;
            font-size: 12px;
        }

        .stat-trend {
            margin-top: 4px;
            font-size: 11px;
        }

        .section-head h2 {
            font-size: 22px;
        }

        .rank-table-row {
            grid-template-columns: 32px 1fr auto;
            gap: 6px;
            padding: 10px 12px;
        }

        .rank-team-name {
            font-size: 12px;
        }

        .rank-change {
            font-size: 12px;
        }

        .hero-rank-panel {
            padding: 18px 16px;
        }

        .hero-rank-value {
            font-size: 15px;
        }

        .cta-inner h2 {
            font-size: 22px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .footer-brand-col {
            grid-column: span 1;
        }

        .header-cta {
            font-size: 11px;
            padding: 7px 10px;
        }

        .logo-text {
            font-size: 15px;
            letter-spacing: 0.03em;
        }
    }

    /* ========== Fade-up animation ========== */
    .fade-up {
        opacity: 0;
        transform: translateY(12px);
        animation: fadeUp 0.6s ease forwards;
    }

    .fade-up:nth-child(1) { animation-delay: 60ms; }
    .fade-up:nth-child(2) { animation-delay: 120ms; }
    .fade-up:nth-child(3) { animation-delay: 180ms; }
    .fade-up:nth-child(4) { animation-delay: 240ms; }
    .fade-up:nth-child(5) { animation-delay: 300ms; }
    .fade-up:nth-child(6) { animation-delay: 360ms; }

    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(12px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* ========== Count animation ========== */
    .counter-value {
        display: inline-block;
        font-variant-numeric: tabular-nums;
    }

/* roulang page: category4 */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 110px;
            --space-section-lg: 88px;
            --space-section-md: 64px;
            --space-section-sm: 40px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }

        input::placeholder {
            color: var(--color-slate-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            color: var(--color-white);
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--color-accent);
            color: var(--color-white);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(215, 38, 61, 0.3);
        }

        .menu-toggle {
            display: none;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            z-index: 110;
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-white);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* ========== Mobile Nav Drawer ========== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(20, 20, 20, 0.6);
            z-index: 105;
            opacity: 0;
            transition: opacity var(--transition-slow);
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #141414;
            z-index: 106;
            padding: 24px 20px;
            transition: right var(--transition-slow);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            border-left: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .mobile-nav-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .mobile-drawer .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .mobile-drawer .mobile-logo span {
            color: var(--color-accent);
        }

        .mobile-drawer .mobile-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-drawer .nav-chip {
            display: flex;
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-sm);
        }

        .mobile-drawer .nav-chip.active {
            background: var(--color-accent);
            color: #fff;
        }

        .mobile-drawer .mobile-cta {
            display: flex;
            width: 100%;
            padding: 14px 20px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
        }

        /* ========== Hero ========== */
        .training-hero {
            position: relative;
            padding: calc(var(--header-height) + 80px) 0 70px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .training-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 20, 20, 0.88) 30%, rgba(20, 20, 20, 0.55) 70%, rgba(20, 20, 20, 0.35) 100%);
            z-index: 1;
        }

        .training-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .training-hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(215, 38, 61, 0.2);
            border: 1px solid rgba(215, 38, 61, 0.4);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            color: #ff8f9e;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }

        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .training-hero h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

        .training-hero h1 .highlight {
            color: var(--color-accent);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.78);
            max-width: 520px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 26px rgba(215, 38, 61, 0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.03em;
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-base);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .hero-visual-card {
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-visual-card .visual-label {
            font-size: 12px;
            letter-spacing: 0.12em;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .hero-visual-card .visual-title {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .hero-visual-card .visual-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .hero-stat-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
        }

        .hero-stat-item .stat-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .hero-stat-item .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--space-section-lg) 0;
        }

        .section-alt {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-eyebrow::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--color-accent);
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.01em;
            color: var(--color-primary);
        }

        .section-lead {
            font-size: 16px;
            color: var(--color-slate);
            line-height: 1.85;
            max-width: 680px;
            margin-top: 12px;
        }

        /* ========== Steps Section ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px 32px;
        }

        .step-card {
            display: flex;
            gap: 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
        }

        .step-number {
            font-family: var(--font-num);
            font-size: 44px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            flex-shrink: 0;
            letter-spacing: -0.03em;
        }

        .step-content {
            flex: 1;
        }

        .step-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .step-content p {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .step-meta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-slate-light);
        }

        .step-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .step-tag {
            display: inline-block;
            padding: 4px 12px;
            background: #f5f2ec;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary-soft);
            letter-spacing: 0.04em;
        }

        /* ========== Key Points List ========== */
        .points-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .points-intro {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            color: #fff;
        }

        .points-intro h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }

        .points-intro p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .points-intro .highlight-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }

        .points-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .point-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition-base);
        }

        .point-item:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--color-border-strong);
        }

        .point-check {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(46, 125, 50, 0.12);
            color: var(--color-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .point-text h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .point-text p {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
        }

        /* ========== Training Plan / Data ========== */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .plan-card {
            background: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 30px 26px;
            color: #fff;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .plan-card .plan-week {
            font-size: 12px;
            letter-spacing: 0.12em;
            color: rgba(255, 255, 255, 0.5);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .plan-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .plan-card .plan-focus {
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 14px;
        }

        .plan-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .plan-detail-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 14px;
        }

        .plan-detail-list span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .plan-detail-list span::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* ========== FAQ Section ========== */
        .faq-wrapper {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            background: var(--color-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
        }

        .faq-question .faq-number {
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            flex-shrink: 0;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-slate);
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }

        .faq-question .faq-icon.rotate {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 22px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.85;
            padding-top: 4px;
            border-top: 1px solid var(--color-border);
        }

        /* ========== CTA Section ========== */
        .training-cta {
            background: var(--color-primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .training-cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: -20%;
            width: 50%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(215, 38, 61, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 560px;
        }

        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 28px;
            min-width: 360px;
            backdrop-filter: blur(8px);
        }

        .cta-form-wrap label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            display: block;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .cta-input-row {
            display: flex;
            gap: 10px;
        }

        .cta-input-row input {
            flex: 1;
            padding: 13px 18px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 14px;
            letter-spacing: 0.02em;
        }

        .cta-input-row input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-input-row input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
        }

        .cta-input-row button {
            padding: 13px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .cta-input-row button:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
        }

        .cta-form-wrap .privacy-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            margin-top: 10px;
            letter-spacing: 0.03em;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.65);
            padding: 64px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 44px;
        }

        .footer-brand-col .footer-logo {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.06em;
            display: block;
            margin-bottom: 14px;
        }

        .footer-brand-col .footer-logo span {
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 9px;
            transition: all var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        .footer-bottom-links {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .training-hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .training-hero h1 {
                font-size: 38px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .points-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .plan-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-form-wrap {
                min-width: 0;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section-xl: 72px;
                --space-section-lg: 56px;
                --space-section-md: 40px;
                --space-section-sm: 28px;
                --header-height: 60px;
            }

            .container {
                padding: 0 16px;
            }

            .nav-chips-wrap {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .mobile-nav-overlay {
                display: block;
            }

            .training-hero {
                padding: calc(var(--header-height) + 48px) 0 48px;
                min-height: 400px;
            }

            .training-hero h1 {
                font-size: 30px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-secondary {
                justify-content: center;
            }

            .hero-visual-card {
                padding: 20px;
            }

            .hero-stat-row {
                gap: 16px;
            }

            .section-title {
                font-size: 26px;
            }

            .step-card {
                padding: 20px;
                flex-direction: column;
                gap: 12px;
            }

            .step-number {
                font-size: 32px;
            }

            .plan-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .plan-card {
                padding: 24px 20px;
            }

            .points-intro {
                padding: 24px 20px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
                gap: 10px;
            }

            .faq-answer.open {
                padding: 0 18px 18px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .cta-input-row {
                flex-direction: column;
            }

            .cta-input-row button {
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                font-size: 11px;
            }

            .footer-bottom-links {
                flex-wrap: wrap;
            }
        }

        @media (max-width: 575px) {
            .training-hero h1 {
                font-size: 26px;
            }

            .hero-sub {
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .point-item {
                padding: 16px;
            }

            .cta-form-wrap {
                padding: 20px;
            }
        }

        @media (min-width: 768px) {
            .menu-toggle,
            .mobile-nav-overlay {
                display: none;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 110px;
            --space-section-lg: 88px;
            --space-section-md: 64px;
            --space-section-sm: 40px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-top: var(--header-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }

        input::placeholder {
            color: var(--color-slate-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            color: var(--color-white);
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(215, 38, 61, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-white);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Hero ========== */
        .page-hero {
            background: var(--color-primary);
            min-height: 480px;
            display: flex;
            align-items: center;
            padding: 60px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.28;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.92) 0%, rgba(20, 20, 20, 0.55) 60%, rgba(20, 20, 20, 0.35) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .page-hero-content {
            flex: 1;
            max-width: 620px;
            animation: heroFadeUp 0.8s ease-out both;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(215, 38, 61, 0.16);
            color: #fca5b3;
            border: 1px solid rgba(215, 38, 61, 0.35);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .page-hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulseDot 2s infinite;
        }

        @keyframes pulseDot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-white);
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            animation: heroFadeUp 0.8s ease-out 0.15s both;
        }

        .page-hero h1 .accent {
            color: var(--color-accent);
        }

        .page-hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 32px;
            animation: heroFadeUp 0.8s ease-out 0.3s both;
        }

        @keyframes heroFadeUp {
            from {
                opacity: 0;
                transform: translateY(16px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            animation: heroFadeUp 0.8s ease-out 0.45s both;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            background: var(--color-accent);
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(215, 38, 61, 0.4);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        .page-hero-visual {
            flex-shrink: 0;
            width: 340px;
            height: 360px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.12);
            animation: heroFadeUp 0.8s ease-out 0.35s both;
            transform: rotate(2deg);
        }

        .page-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== 装备对比卡片区 ========== */
        .compare-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-bg);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-title .accent {
            color: var(--color-accent);
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-slate);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 40px;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .compare-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-card);
        }

        .compare-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .compare-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .compare-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .compare-card:hover .compare-card-img img {
            transform: scale(1.04);
        }

        .compare-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: var(--color-white);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .compare-card-body {
            padding: 20px 22px 24px;
        }

        .compare-card-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-slate-light);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .compare-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .compare-card-desc {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.75;
            margin-bottom: 16px;
            min-height: 50px;
        }

        .compare-card-score {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 18px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border);
        }

        .score-num {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
        }

        .score-label {
            font-size: 13px;
            color: var(--color-slate-light);
            font-weight: 500;
        }

        .compare-card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .compare-card-stat {
            flex: 1;
            min-width: 70px;
        }

        .compare-card-stat .stat-value {
            font-family: var(--font-num);
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .compare-card-stat .stat-label {
            font-size: 12px;
            color: var(--color-slate-light);
        }

        /* ========== 评分条区域 ========== */
        .rating-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .rating-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(215, 38, 61, 0.07);
            border-radius: 50%;
            z-index: 0;
        }

        .rating-section .container {
            position: relative;
            z-index: 1;
        }

        .rating-section .section-title {
            color: var(--color-white);
        }

        .rating-section .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        .rating-section .section-label {
            color: #fca5b3;
        }

        .rating-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 20px;
        }

        .rating-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            transition: all var(--transition-base);
        }

        .rating-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .rating-item-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }

        .rating-item-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-white);
            letter-spacing: 0.02em;
        }

        .rating-item-value {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 800;
            color: var(--color-accent);
        }

        .rating-bar-wrap {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rating-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .rating-bar-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            width: 56px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        .rating-bar-track {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .rating-bar-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: var(--radius-pill);
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
            width: 0;
        }

        .rating-bar-fill.green {
            background: var(--color-green);
        }

        /* ========== 装备深度解读 ========== */
        .deep-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-bg);
        }

        .deep-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
            margin-top: 20px;
        }

        .deep-text {
            font-size: 15px;
            color: var(--color-slate);
            line-height: 1.9;
        }

        .deep-text p {
            margin-bottom: 18px;
        }

        .deep-text strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .deep-text .highlight {
            color: var(--color-accent);
            font-weight: 600;
        }

        .deep-text .dropcap::first-letter {
            font-size: 52px;
            font-weight: 800;
            color: var(--color-accent);
            float: left;
            line-height: 1;
            margin-right: 12px;
            margin-top: 4px;
        }

        .deep-visual {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .deep-visual-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--color-border);
        }

        .deep-visual-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .deep-visual-img:hover img {
            transform: scale(1.03);
        }

        .deep-tip-box {
            background: var(--color-card);
            border-left: 4px solid var(--color-accent);
            padding: 18px 22px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            border-left-width: 4px;
        }

        .deep-tip-box h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .deep-tip-box p {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 780px;
            margin: 30px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item.open {
            border-color: rgba(215, 38, 61, 0.3);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .faq-question .faq-num {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 28px;
        }

        .faq-question .faq-text {
            flex: 1;
        }

        .faq-question .faq-icon {
            width: 22px;
            height: 22px;
            position: relative;
            flex-shrink: 0;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            background: var(--color-slate);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
            transform: translate(-50%, -50%);
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            transform: translate(-50%, -50%);
        }

        .faq-item.open .faq-question .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px 72px;
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: rgba(215, 38, 61, 0.08);
            border-radius: 50%;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .cta-title .accent {
            color: var(--color-accent);
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            padding: 14px 20px;
            font-size: 15px;
            color: var(--color-primary);
            background: var(--color-card);
            border-radius: var(--radius-pill);
            border: 2px solid transparent;
            transition: all var(--transition-base);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 4px rgba(215, 38, 61, 0.15);
        }

        .cta-form .btn-primary {
            flex-shrink: 0;
            padding: 14px 28px;
        }

        .cta-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 16px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand-col .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-brand-col .footer-logo span {
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== 阅读更多按钮 ========== */
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-text .arrow {
            transition: transform var(--transition-base);
            display: inline-block;
        }

        .btn-text:hover {
            color: var(--color-accent-hover);
        }

        .btn-text:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .compare-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rating-grid {
                grid-template-columns: 1fr;
            }
            .deep-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero-visual {
                width: 280px;
                height: 300px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --header-height: 64px;
                --space-section-xl: 64px;
                --space-section-lg: 56px;
                --space-section-md: 40px;
                --space-section-sm: 28px;
            }
            .header-cta {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-chips-wrap {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(20, 20, 20, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 0;
            }
            .nav-chips-wrap.open {
                max-height: 440px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-chips {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 2px;
                width: 100%;
            }
            .nav-chip {
                padding: 10px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
            .page-hero {
                min-height: auto;
                padding: 40px 0 48px;
            }
            .page-hero .container {
                flex-direction: column;
                gap: 28px;
                text-align: center;
            }
            .page-hero-content {
                text-align: center;
            }
            .hero-actions {
                justify-content: center;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero-sub {
                font-size: 15px;
            }
            .page-hero-visual {
                width: 220px;
                height: 220px;
                border-radius: var(--radius-md);
                transform: rotate(0);
                margin: 0 auto;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .compare-card-img {
                height: 170px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 14px;
            }
            .rating-item {
                padding: 18px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
                justify-content: center;
            }
            .faq-answer-inner {
                padding: 0 18px 16px 18px;
            }
            .faq-question {
                padding: 15px 18px;
                font-size: 14px;
            }
            .faq-question .faq-num {
                display: none;
            }
            .deep-text .dropcap::first-letter {
                font-size: 38px;
            }
        }

        @media (max-width: 575px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero-visual {
                width: 180px;
                height: 180px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 11px 20px;
                font-size: 14px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .rating-item-header {
                flex-direction: column;
                gap: 6px;
                align-items: flex-start;
            }
            .rating-bar-row {
                gap: 6px;
            }
            .rating-bar-label {
                font-size: 11px;
                width: 46px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 88px;
            --space-section-lg: 72px;
            --space-section-md: 56px;
            --space-section-sm: 36px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }
        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-accent);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }
        input::placeholder {
            color: var(--color-slate-light);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }
        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--color-accent);
        }
        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }
        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-chip.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.18);
            font-weight: 600;
        }
        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            color: var(--color-white);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(215, 38, 61, 0.35);
        }
        .mobile-menu-btn {
            display: none;
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 20px;
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 20, 20, 0.98);
            z-index: 99;
            padding: 32px 24px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mobile-menu .nav-chip {
            display: flex;
            width: 100%;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-menu .nav-chip.active {
            background: rgba(215, 38, 61, 0.2);
            border-color: var(--color-accent);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: calc(var(--header-height) + 80px) 0 72px;
            background: var(--color-primary);
            color: var(--color-white);
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            transform: scale(1.02);
            transition: transform 6s ease;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 20, 20, 0.55) 0%, rgba(20, 20, 20, 0.85) 60%, var(--color-primary) 100%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .hero-breadcrumb .sep {
            opacity: 0.4;
        }
        .page-hero h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
            max-width: 680px;
        }
        .page-hero h1 .accent {
            color: var(--color-accent);
        }
        .page-hero .hero-sub {
            font-size: 18px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.72);
            max-width: 620px;
            margin-bottom: 28px;
        }
        .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 36px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta-row .num {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 18px;
            color: var(--color-white);
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
        }
        .btn-primary-hero:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(215, 38, 61, 0.4);
            color: var(--color-white);
        }
        .btn-ghost-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 24px;
            border-radius: var(--radius-pill);
            background: transparent;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-base);
        }
        .btn-ghost-hero:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.45);
            color: var(--color-white);
        }

        /* ========== Section Base ========== */
        .section {
            padding: var(--space-section-lg) 0;
        }
        .section-sm {
            padding: var(--space-section-md) 0;
        }
        .section-dark {
            background: var(--color-primary);
            color: var(--color-white);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            display: inline-block;
        }
        .section-title {
            font-size: 36px;
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-slate);
            max-width: 720px;
            margin-bottom: 40px;
        }

        /* ========== Community Stats ========== */
        .community-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: -48px;
            position: relative;
            z-index: 3;
        }
        .stat-box {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .stat-box:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .stat-box .stat-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-box .stat-label {
            font-size: 13px;
            color: var(--color-slate);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }

        /* ========== Discussion Topics ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .topic-card {
            display: flex;
            gap: 18px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            cursor: pointer;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-border-strong);
        }
        .topic-card .topic-thumb {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: #eee;
        }
        .topic-card .topic-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .topic-card .topic-tag {
            display: inline-flex;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .topic-card .topic-excerpt {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 10px;
        }
        .topic-card .topic-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--color-slate-light);
        }
        .topic-card .topic-meta .author {
            font-weight: 500;
            color: var(--color-slate);
        }
        .topic-card .topic-meta .replies {
            font-family: var(--font-num);
            font-weight: 600;
            color: var(--color-primary);
        }

        /* ========== Community Highlight ========== */
        .community-highlight {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .community-highlight .highlight-text h3 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 18px;
        }
        .community-highlight .highlight-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-slate);
            margin-bottom: 14px;
        }
        .community-highlight .highlight-text .highlight-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .community-highlight .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-primary);
            line-height: 1.6;
        }
        .community-highlight .highlight-list li::before {
            content: '✓';
            color: var(--color-green);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .highlight-image-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-hover);
        }
        .highlight-image-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .highlight-image-card .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px 20px;
            background: linear-gradient(0deg, rgba(0,0,0,0.7) 0%, transparent 100%);
            color: var(--color-white);
        }
        .highlight-image-card .img-overlay .small-label {
            font-size: 12px;
            letter-spacing: 0.1em;
            opacity: 0.7;
            margin-bottom: 4px;
        }
        .highlight-image-card .img-overlay .big-num {
            font-family: var(--font-num);
            font-size: 38px;
            font-weight: 800;
            line-height: 1.1;
        }

        /* ========== Fan Voices ========== */
        .voices-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .voice-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .voice-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .voice-card .voice-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .voice-card .voice-name {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .voice-card .voice-tag {
            font-size: 12px;
            color: var(--color-accent);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .voice-card .voice-quote {
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.7;
            flex: 1;
        }

        /* ========== Community Rules ========== */
        .rules-box {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }
        .rules-box h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .rules-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px 28px;
        }
        .rule-item {
            display: flex;
            gap: 12px;
            font-size: 14px;
            line-height: 1.65;
            color: var(--color-slate);
        }
        .rule-item .rule-num {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 20px;
            color: var(--color-accent);
            line-height: 1.2;
            flex-shrink: 0;
            min-width: 28px;
        }
        .rule-item strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-strong);
        }
        .faq-item.open {
            box-shadow: var(--shadow-light);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            transition: all var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding-bottom: 18px;
            font-size: 14px;
            color: var(--color-slate);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            color: var(--color-white);
            padding: var(--space-section-lg) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(215, 38, 61, 0.15);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-box {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-info h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .cta-info p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-white);
            font-size: 14px;
            letter-spacing: 0.02em;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.15);
        }
        .cta-form .btn-submit {
            padding: 14px 26px;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.04em;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .cta-form .btn-submit:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(215, 38, 61, 0.4);
        }
        .cta-note {
            margin-top: 10px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0e0e0e;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-col {
            max-width: 320px;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-logo span {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: all var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom-links {
            display: flex;
            gap: 10px;
            margin-left: auto;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .voices-grid {
                grid-template-columns: 1fr 1fr;
            }
            .community-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .community-highlight {
                grid-template-columns: 1fr;
            }
            .cta-box {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-chips-wrap {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .page-hero {
                padding: calc(var(--header-height) + 48px) 0 48px;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .section-title {
                font-size: 26px;
            }
            .section {
                padding: var(--space-section-md) 0;
            }
            .section-sm {
                padding: var(--space-section-sm) 0;
            }
            .community-stats {
                grid-template-columns: 1fr 1fr;
                margin-top: -28px;
            }
            .stat-box .stat-num {
                font-size: 30px;
            }
            .topic-card {
                flex-direction: column;
                padding: 16px;
            }
            .topic-card .topic-thumb {
                width: 100%;
                height: 160px;
                border-radius: var(--radius-sm);
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .rules-box {
                padding: 20px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .cta-section {
                padding: var(--space-section-md) 0;
            }
            .cta-info h2 {
                font-size: 26px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom-links {
                margin-left: 0;
            }
        }
        @media (max-width: 575px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-meta-row {
                gap: 10px 16px;
                font-size: 12px;
            }
            .hero-meta-row .num {
                font-size: 15px;
            }
            .voices-grid {
                grid-template-columns: 1fr;
            }
            .community-stats {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-box {
                padding: 14px 10px;
            }
            .stat-box .stat-num {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn-primary-hero,
            .btn-ghost-hero {
                width: 100%;
                justify-content: center;
            }
            .topic-card .topic-meta {
                flex-wrap: wrap;
                gap: 8px 12px;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #141414;
            --color-primary-soft: #1f1f1f;
            --color-accent: #D7263D;
            --color-accent-hover: #b81f34;
            --color-bg: #FAF8F4;
            --color-card: #FFFFFF;
            --color-slate: #6B6B6B;
            --color-slate-light: #949494;
            --color-border: rgba(0, 0, 0, 0.07);
            --color-border-strong: rgba(0, 0, 0, 0.12);
            --color-green: #2E7D32;
            --color-white: #FFFFFF;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 16px 44px rgba(0, 0, 0, 0.09);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --font-cn: 'HarmonyOS Sans', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-num: 'Inter', 'Roboto Condensed', 'DIN Alternate', 'Arial Narrow', sans-serif;
            --container-max: 1200px;
            --space-section-xl: 110px;
            --space-section-lg: 88px;
            --space-section-md: 64px;
            --space-section-sm: 40px;
            --transition-base: 160ms ease;
            --transition-slow: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-cn);
            background-color: var(--color-bg);
            color: var(--color-primary);
            line-height: 1.75;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        input {
            font-family: inherit;
            border: none;
            transition: all var(--transition-base);
        }

        input::placeholder {
            color: var(--color-slate-light);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: var(--header-height);
            background: rgba(20, 20, 20, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-slow), box-shadow var(--transition-slow);
        }

        .site-header.scrolled {
            background: rgba(20, 20, 20, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 120px;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-white);
            letter-spacing: 0.05em;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-accent);
        }

        .nav-chips-wrap {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow-x: auto;
            padding: 0 8px;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-chips-wrap::-webkit-scrollbar {
            display: none;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            padding: 4px;
            border-radius: var(--radius-pill);
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 15px;
            border-radius: var(--radius-pill);
            font-size: 13.5px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            border: 1px solid transparent;
        }

        .nav-chip:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-chip.active {
            color: var(--color-white);
            background: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: 1px solid var(--color-accent);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(215, 38, 61, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.15);
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-size: 22px;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-white);
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            padding: calc(var(--header-height) + 70px) 0 70px;
            background: var(--color-primary);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 20, 20, 0.55) 0%, rgba(20, 20, 20, 0.85) 55%, rgba(20, 20, 20, 0.98) 100%);
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            max-width: 860px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: rgba(215, 38, 61, 0.15);
            border: 1px solid rgba(215, 38, 61, 0.35);
            color: #ff6b7d;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 22px;
        }

        .hero-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .page-hero h1 {
            font-size: clamp(34px, 5vw, 56px);
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .page-hero h1 em {
            font-style: normal;
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 32px;
        }

        .hero-meta-row {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 13.5px;
            font-weight: 500;
        }

        .hero-meta-item .icon {
            font-size: 16px;
            color: var(--color-accent);
        }

        .hero-meta-item strong {
            color: var(--color-white);
            font-weight: 700;
            font-family: var(--font-num);
            font-size: 15px;
        }

        /* ========== Section通用 ========== */
        .section {
            padding: var(--space-section-lg) 0;
        }

        .section-top {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 38px);
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            color: var(--color-primary);
        }

        .section-title .accent {
            color: var(--color-accent);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-slate);
            max-width: 520px;
            line-height: 1.75;
            margin-top: 8px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            background: rgba(215, 38, 61, 0.08);
            border: 1px solid rgba(215, 38, 61, 0.2);
            color: var(--color-accent);
            font-size: 12.5px;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }

        /* ========== 横向滚动图集 ========== */
        .gallery-shuffle-section {
            background: var(--color-primary);
            padding: var(--space-section-lg) 0;
        }

        .gallery-shuffle-section .section-title {
            color: var(--color-white);
        }

        .gallery-shuffle-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .gallery-shuffle-section .section-tag {
            background: rgba(215, 38, 61, 0.2);
            border-color: rgba(215, 38, 61, 0.4);
        }

        .gallery-scroll-track {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 8px 0 20px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .gallery-scroll-track::-webkit-scrollbar {
            height: 5px;
        }

        .gallery-scroll-track::-webkit-scrollbar-track {
            background: transparent;
        }

        .gallery-scroll-track::-webkit-scrollbar-thumb {
            background-color: rgba(255, 255, 255, 0.25);
            border-radius: 10px;
        }

        .gallery-slide-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-slow);
            cursor: pointer;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .gallery-slide-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 22px 50px rgba(0, 0, 0, 0.3);
        }

        .gallery-slide-card .img-wrap {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .gallery-slide-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .gallery-slide-card:hover .img-wrap img {
            transform: scale(1.06);
        }

        .gallery-slide-card .img-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(20, 20, 20, 0.75);
            backdrop-filter: blur(8px);
            color: var(--color-white);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .gallery-slide-card .slide-body {
            padding: 18px 20px 20px;
        }

        .gallery-slide-card .slide-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .gallery-slide-card .slide-body p {
            font-size: 13.5px;
            color: var(--color-slate);
            line-height: 1.65;
        }

        .gallery-slide-card .slide-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
            font-size: 12px;
            color: var(--color-slate-light);
        }

        .gallery-slide-card .slide-meta .views {
            color: var(--color-accent);
            font-weight: 600;
        }

        .gallery-nav-hint {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .gallery-nav-hint .arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .gallery-nav-hint .arrow:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            border-color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 时间线 ========== */
        .timeline-section {
            background: var(--color-bg);
        }

        .timeline-wrap {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding-left: 30px;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 13px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--color-border-strong);
        }

        .timeline-item {
            position: relative;
            padding: 0 0 40px 30px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item .tl-dot {
            position: absolute;
            left: -23px;
            top: 5px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 4px solid var(--color-bg);
            box-shadow: 0 0 0 3px var(--color-accent);
            z-index: 2;
        }

        .timeline-item .tl-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            font-family: var(--font-num);
        }

        .timeline-item .tl-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .timeline-item .tl-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .timeline-item .tl-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-item .tl-card p {
            font-size: 14.5px;
            color: var(--color-slate);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .timeline-item .tl-card .tl-tag-list {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tl-tag {
            display: inline-flex;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-slate);
            font-size: 12px;
            font-weight: 500;
        }

        .tl-tag.highlight {
            background: rgba(215, 38, 61, 0.08);
            border-color: rgba(215, 38, 61, 0.25);
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== 数据亮点 ========== */
        .stats-band {
            background: var(--color-primary-soft);
            padding: 56px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .stat-num {
            font-size: clamp(38px, 5vw, 56px);
            font-weight: 800;
            font-family: var(--font-num);
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* ========== 图集分类标签 ========== */
        .category-tags-section {
            padding: var(--space-section-md) 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-slate);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(215, 38, 61, 0.04);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .tag-item .count {
            font-size: 12px;
            color: var(--color-slate-light);
            font-family: var(--font-num);
        }

        .tag-item:hover .count {
            color: var(--color-accent);
        }

        /* ========== CTA订阅 ========== */
        .cta-section {
            padding: var(--space-section-lg) 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 1;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: clamp(26px, 3.5vw, 40px);
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .cta-inner h2 .accent {
            color: var(--color-accent);
        }

        .cta-inner p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 240px;
            padding: 14px 22px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-white);
            font-size: 14.5px;
            outline: none;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(215, 38, 61, 0.2);
        }

        .cta-form button {
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            background: var(--color-accent);
            color: var(--color-white);
            font-weight: 700;
            font-size: 14.5px;
            letter-spacing: 0.04em;
            border: 1px solid var(--color-accent);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(215, 38, 61, 0.35);
        }

        .cta-privacy {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 18px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-col .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.05em;
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-logo span {
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            transition: all var(--transition-base);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
            transition: color var(--transition-base);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .header-cta {
                padding: 9px 16px;
                font-size: 13px;
            }

            .nav-chip {
                padding: 6px 12px;
                font-size: 12.5px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .section {
                padding: var(--space-section-md) 0;
            }

            .gallery-shuffle-section {
                padding: var(--space-section-md) 0;
            }

            .gallery-slide-card {
                flex: 0 0 280px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --header-height: 62px;
                --space-section-lg: 56px;
                --space-section-md: 44px;
                --space-section-sm: 28px;
            }

            .header-cta {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .nav-chips-wrap {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(20, 20, 20, 0.97);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 14px 18px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                overflow-y: auto;
                max-height: calc(100vh - var(--header-height));
                z-index: 99;
            }

            .nav-chips-wrap.mobile-open {
                display: flex;
            }

            .nav-chips {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 0;
            }

            .nav-chip {
                padding: 12px 18px;
                font-size: 15px;
                border-radius: var(--radius-sm);
                border: 1px solid rgba(255, 255, 255, 0.08);
                background: rgba(255, 255, 255, 0.03);
            }

            .nav-chip.active {
                background: var(--color-accent);
                border-color: var(--color-accent);
            }

            .page-hero {
                padding: calc(var(--header-height) + 40px) 0 48px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-meta-row {
                gap: 14px;
            }

            .section-top {
                margin-bottom: 28px;
            }

            .gallery-slide-card {
                flex: 0 0 260px;
            }

            .gallery-slide-card .slide-body h3 {
                font-size: 15.5px;
            }

            .timeline-wrap {
                padding-left: 22px;
            }

            .timeline-wrap::before {
                left: 10px;
            }

            .timeline-item {
                padding-left: 22px;
            }

            .timeline-item .tl-dot {
                left: -20px;
                width: 16px;
                height: 16px;
                border-width: 3px;
            }

            .timeline-item .tl-card {
                padding: 18px 18px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 20px 14px;
            }

            .stat-num {
                font-size: 32px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                width: 100%;
                min-width: unset;
            }

            .cta-form button {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575px) {
            .container {
                padding: 0 16px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .gallery-slide-card {
                flex: 0 0 240px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-num {
                font-size: 28px;
            }

            .timeline-item .tl-card h3 {
                font-size: 16px;
            }
        }

        @media (min-width: 1280px) {
            .container {
                padding: 0 32px;
            }

            .gallery-slide-card {
                flex: 0 0 340px;
            }

            .section {
                padding: var(--space-section-xl) 0;
            }

            .gallery-shuffle-section {
                padding: var(--space-section-xl) 0;
            }
        }

        /* ========== 动画 ========== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeUp 0.6s ease forwards;
        }

        .fade-up-1 {
            animation-delay: 60ms;
            opacity: 0;
        }
        .fade-up-2 {
            animation-delay: 140ms;
            opacity: 0;
        }
        .fade-up-3 {
            animation-delay: 220ms;
            opacity: 0;
        }
        .fade-up-4 {
            animation-delay: 300ms;
            opacity: 0;
        }