/* roulang page: index */
:root {
            --bg-primary: #FAF6F2;
            --bg-dark: #140A12;
            --bg-dark-soft: #1B0E17;
            --bg-card-alt: #F4EEE8;
            --accent: #E01E5A;
            --accent-hover: #C0184D;
            --accent-soft: #FCE4ED;
            --highlight: #F2B84B;
            --highlight-soft: #FCEBC9;
            --text-dark: #1B0E17;
            --text-body: #2E1F28;
            --text-muted: #8A7E84;
            --text-light: #FAF6F2;
            --border-soft: rgba(20, 10, 18, 0.08);
            --card-bg: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(20, 10, 18, 0.05);
            --shadow-md: 0 6px 24px rgba(20, 10, 18, 0.08);
            --shadow-lg: 0 12px 32px rgba(20, 10, 18, 0.16);
            --transition: 0.2s ease;
            --sidebar-width: 280px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-primary);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition), background var(--transition);
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input {
            font-family: inherit;
        }

        h1, h2, h3, h4 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.01em;
        }

        h2 {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.005em;
        }

        h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(20, 10, 18, 0.25);
        }

        .mobile-logo {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.01em;
        }

        .mobile-hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .mobile-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-light);
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .mobile-hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .mobile-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            background: var(--bg-dark);
            z-index: 999;
            padding: 20px 28px 32px;
            box-shadow: 0 12px 32px rgba(20, 10, 18, 0.3);
            transform: translateY(-120%);
            transition: transform 0.3s ease;
        }

        .mobile-drawer.open {
            transform: translateY(0);
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer a {
            color: var(--text-light);
            font-size: 1.05rem;
            padding: 12px 14px;
            border-radius: 8px;
            transition: background 0.2s;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(224, 30, 90, 0.2);
            color: #fff;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-dark);
            display: flex;
            flex-direction: column;
            z-index: 100;
            box-shadow: 4px 0 24px rgba(20, 10, 18, 0.1);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(250, 246, 242, 0.1);
        }

        .sidebar-brand a {
            display: block;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.45;
            letter-spacing: -0.01em;
        }

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

        .sidebar-nav {
            flex: 1;
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            color: rgba(250, 246, 242, 0.75);
            transition: all 0.2s;
            border-left: 3px solid transparent;
        }

        .sidebar-nav .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
            color: rgba(250, 246, 242, 0.5);
            transition: color 0.2s;
        }

        .sidebar-nav .nav-item:hover {
            background: rgba(250, 246, 242, 0.06);
            color: #fff;
        }

        .sidebar-nav .nav-item:hover i {
            color: var(--accent);
        }

        .sidebar-nav .nav-item.active {
            background: rgba(224, 30, 90, 0.18);
            border-left-color: var(--accent);
            color: #fff;
        }

        .sidebar-nav .nav-item.active i {
            color: var(--accent);
        }

        .sidebar-status {
            padding: 20px 24px;
            border-top: 1px solid rgba(250, 246, 242, 0.1);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(250, 246, 242, 0.6);
        }

        .sidebar-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--highlight);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .main-wrapper {
            margin-left: var(--sidebar-width);
            width: calc(100% - var(--sidebar-width));
            min-height: 100vh;
            background: var(--bg-primary);
        }

        .main-content {
            padding-bottom: 0;
        }

        section {
            padding: 64px 0;
        }

        section.section-alt {
            background: #fff;
        }

        section.section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }

        section.section-dark h2,
        section.section-dark h3 {
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            margin-bottom: 12px;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--accent-soft);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header h2 {
            margin-bottom: 10px;
        }

        .section-header .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all 0.25s;
            text-align: center;
            line-height: 1.5;
        }

        .btn:active {
            transform: scale(0.97);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(224, 30, 90, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(224, 30, 90, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-dark);
            border: 1.5px solid var(--text-dark);
        }

        .btn-outline:hover {
            background: rgba(20, 10, 18, 0.05);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all 0.25s;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(20, 10, 18, 0.1);
        }

        .card-body {
            padding: 20px 22px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: var(--highlight-soft);
            color: #8A6D1F;
            margin-right: 6px;
            margin-bottom: 4px;
        }

        .tag-accent {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .tag-outline {
            background: transparent;
            border: 1px solid var(--border-soft);
            color: var(--text-muted);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(242, 184, 75, 0.2);
            color: #B8862B;
        }

        .hero-section {
            position: relative;
            padding: 80px 0;
            background-image: url('/assets/images/3506c566e5cd7c48.jpg');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 10, 18, 0.72) 0%, rgba(20, 10, 18, 0.55) 50%, rgba(27, 14, 23, 0.68) 100%);
        }

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

        .hero-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: -0.015em;
        }

        .hero-text .hero-desc {
            font-size: 1.05rem;
            color: rgba(250, 246, 242, 0.85);
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 560px;
        }

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

        .hero-quiz-card {
            background: rgba(255, 255, 255, 0.96);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 16px 48px rgba(20, 10, 18, 0.3);
            color: var(--text-body);
            backdrop-filter: blur(8px);
        }

        .hero-quiz-card h3 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .quiz-question {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .quiz-options {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .quiz-option {
            padding: 6px 14px;
            border-radius: 999px;
            border: 1.5px solid var(--border-soft);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--text-body);
            background: #fff;
        }

        .quiz-option:hover,
        .quiz-option.selected {
            border-color: var(--accent);
            background: var(--accent-soft);
            color: var(--accent);
        }

        .quiz-result {
            background: var(--bg-card-alt);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            font-size: 0.88rem;
            color: var(--text-dark);
            margin-bottom: 16px;
            min-height: 52px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quiz-result i {
            color: var(--accent);
            font-size: 1.1rem;
        }

        .quiz-btn {
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
            font-size: 0.92rem;
        }

        .capability-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .capability-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .capability-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .capability-item .cap-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .capability-item h3 {
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .capability-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .progress-strip {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .progress-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
        }

        .progress-item:hover {
            box-shadow: var(--shadow-md);
        }

        .progress-item .progress-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--highlight-soft);
            color: #B8862B;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .progress-item .progress-info {
            flex: 1;
        }

        .progress-item .progress-info h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--text-dark);
        }

        .progress-item .progress-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .progress-bar-track {
            width: 100%;
            height: 6px;
            background: var(--bg-card-alt);
            border-radius: 999px;
            overflow: hidden;
            margin-top: 8px;
        }

        .progress-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent), var(--highlight));
            transition: width 0.6s ease;
        }

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

        .planned-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px dashed var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
            position: relative;
        }

        .planned-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .planned-card .planned-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 6px;
            background: var(--highlight-soft);
            color: #B8862B;
        }

        .planned-card h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            padding-right: 60px;
        }

        .planned-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .timeline {
            position: relative;
            padding-left: 28px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border-soft);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 14px 18px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
        }

        .timeline-item:hover {
            box-shadow: var(--shadow-md);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 24px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px rgba(224, 30, 90, 0.2);
        }

        .timeline-item .tl-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 4px;
        }

        .timeline-item h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--text-dark);
        }

        .timeline-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .news-item .news-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            min-width: 64px;
            text-align: center;
        }

        .news-item .news-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .news-item h4 {
            font-size: 0.95rem;
            margin-bottom: 0;
            flex: 1;
        }

        .news-item .news-tag {
            font-size: 0.72rem;
            padding: 2px 8px;
            border-radius: 4px;
            background: var(--highlight-soft);
            color: #B8862B;
            font-weight: 600;
        }

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

        .stat-block {
            text-align: center;
            padding: 28px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
        }

        .stat-block:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.2;
            letter-spacing: -0.02em;
            display: block;
        }

        .stat-number .stat-unit {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

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

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
        }

        .rank-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .rank-medal {
            font-size: 1.3rem;
            flex-shrink: 0;
            width: 32px;
            text-align: center;
        }

        .rank-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-muted);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
            font-variant-numeric: tabular-nums;
        }

        .rank-item.top1 .rank-number {
            color: #D4A017;
        }

        .rank-item.top2 .rank-number {
            color: #8A8A8A;
        }

        .rank-item.top3 .rank-number {
            color: #B87333;
        }

        .rank-info {
            flex: 1;
        }

        .rank-info h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--text-dark);
        }

        .rank-info .rank-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .rank-heat {
            flex-shrink: 0;
            width: 120px;
        }

        .rank-heat .heat-bar {
            height: 6px;
            background: var(--bg-card-alt);
            border-radius: 999px;
            overflow: hidden;
        }

        .rank-heat .heat-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent), var(--highlight));
        }

        .rank-heat .heat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
            text-align: right;
        }

        .audit-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .audit-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
            font-size: 0.9rem;
            color: var(--text-body);
        }

        .audit-item i {
            color: #2E7D32;
            font-size: 1rem;
        }

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

        .misconception-item {
            padding: 16px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .misconception-item .mis-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .misconception-item .mis-text h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .misconception-item .mis-text p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

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

        .category-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s;
            display: block;
        }

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

        .category-card .cat-cover {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .category-card .cat-body {
            padding: 16px 18px;
        }

        .category-card .cat-body h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }

        .category-card .cat-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .faq-wrapper {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all 0.2s;
        }

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

        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            user-select: none;
            transition: background 0.2s;
            gap: 16px;
        }

        .faq-question:hover {
            background: var(--bg-card-alt);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        .access-tips {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .access-tip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 18px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            color: rgba(250, 246, 242, 0.85);
        }

        .access-tip-item i {
            color: var(--highlight);
            font-size: 1rem;
        }

        .subscribe-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto;
        }

        .subscribe-wrapper input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 999px;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: border-color 0.2s;
        }

        .subscribe-wrapper input::placeholder {
            color: rgba(250, 246, 242, 0.5);
        }

        .subscribe-wrapper input:focus {
            border-color: var(--accent);
            outline: none;
        }

        .subscribe-wrapper .btn {
            flex-shrink: 0;
        }

        .subscribe-note {
            font-size: 0.78rem;
            color: rgba(250, 246, 242, 0.5);
            text-align: center;
            margin-top: 12px;
        }

        .footer-top {
            background: var(--bg-dark);
            color: rgba(250, 246, 242, 0.7);
            padding: 48px 0;
        }

        .footer-top .container {
            display: grid;
            grid-template-columns: 1fr 0.8fr 0.8fr;
            gap: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(250, 246, 242, 0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(250, 246, 242, 0.55);
            transition: color 0.2s;
        }

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

        .footer-bottom {
            background: #0D060A;
            padding: 20px 0;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(250, 246, 242, 0.4);
        }

        @media (max-width: 1200px) {
            .capability-matrix {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s ease;
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-wrapper {
                margin-left: 0;
                width: 100%;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

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

            .hero-text h1 {
                font-size: 1.9rem;
            }

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

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

            .audit-list {
                grid-template-columns: 1fr;
            }

            .footer-top .container {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            section {
                padding: 48px 0;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.7rem;
            }

            h2 {
                font-size: 1.4rem;
            }

            .hero-section {
                padding: 60px 0 48px;
                margin-top: 48px;
            }

            .hero-text h1 {
                font-size: 1.55rem;
            }

            .hero-text .hero-desc {
                font-size: 0.95rem;
            }

            .capability-matrix {
                grid-template-columns: 1fr;
            }

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

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

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

            .stat-number {
                font-size: 2rem;
            }

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

            .subscribe-wrapper {
                flex-direction: column;
            }

            .subscribe-wrapper input {
                width: 100%;
            }

            section {
                padding: 40px 0;
            }

            .container {
                padding: 0 18px;
            }

            .audit-list {
                grid-template-columns: 1fr;
            }

            .capability-item {
                padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .hero-quiz-card {
                padding: 20px 16px;
            }

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

            .rank-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 12px 14px;
            }

            .rank-heat {
                width: 100%;
                margin-left: 48px;
            }

            .progress-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }

            .news-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 12px 14px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #FAF6F2;
            --bg-dark: #140A12;
            --bg-dark-soft: #1B0E17;
            --bg-card-alt: #F4EEE8;
            --accent: #E01E5A;
            --accent-hover: #C0184D;
            --accent-soft: #FCE4ED;
            --highlight: #F2B84B;
            --highlight-soft: #FCEBC9;
            --text-dark: #1B0E17;
            --text-body: #2E1F28;
            --text-muted: #8A7E84;
            --text-light: #FAF6F2;
            --border-soft: rgba(20, 10, 18, 0.08);
            --card-bg: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(20, 10, 18, 0.05);
            --shadow-md: 0 6px 24px rgba(20, 10, 18, 0.08);
            --shadow-lg: 0 12px 32px rgba(20, 10, 18, 0.16);
            --transition: 0.2s ease;
            --sidebar-width: 280px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-body);
            background: var(--bg-primary);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), opacity var(--transition);
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ---------- 左侧竖向导航 ---------- */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--bg-dark);
            display: flex;
            flex-direction: column;
            z-index: 500;
            box-shadow: 4px 0 28px rgba(20, 10, 18, 0.35);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(250, 246, 242, 0.1);
        }

        .sidebar-brand a {
            display: block;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.45;
            letter-spacing: -0.01em;
        }

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

        .sidebar-nav {
            flex: 1;
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .sidebar-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 0.95rem;
            color: rgba(250, 246, 242, 0.75);
            transition: all var(--transition);
            border-left: 3px solid transparent;
        }

        .sidebar-nav .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
            color: rgba(250, 246, 242, 0.5);
            transition: color var(--transition);
        }

        .sidebar-nav .nav-item:hover {
            background: rgba(250, 246, 242, 0.06);
            color: #fff;
        }

        .sidebar-nav .nav-item:hover i {
            color: var(--highlight);
        }

        .sidebar-nav .nav-item.active {
            background: rgba(224, 30, 90, 0.18);
            color: #fff;
            border-left-color: var(--accent);
        }

        .sidebar-nav .nav-item.active i {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 18px 20px 22px;
            border-top: 1px solid rgba(250, 246, 242, 0.1);
        }

        .sidebar-status {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(250, 246, 242, 0.45);
        }

        .sidebar-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--highlight);
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.85); }
        }

        /* ---------- 移动端顶部导航 ---------- */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-dark);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(20, 10, 18, 0.25);
        }

        .mobile-logo {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.01em;
        }

        .mobile-hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .mobile-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-light);
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .mobile-hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .mobile-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            background: var(--bg-dark);
            z-index: 999;
            padding: 20px 28px 32px;
            box-shadow: 0 12px 32px rgba(20, 10, 18, 0.3);
            transform: translateY(-120%);
            transition: transform 0.3s ease;
        }

        .mobile-drawer.open {
            transform: translateY(0);
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer a {
            color: var(--text-light);
            font-size: 1.05rem;
            padding: 12px 14px;
            border-radius: 8px;
            transition: background 0.2s;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(224, 30, 90, 0.2);
            color: #fff;
        }

        /* ---------- 主内容区 ---------- */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .page-main {
            flex: 1;
        }

        section {
            padding: 56px 0;
        }

        .section-alt {
            background: var(--bg-card-alt);
        }

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.45;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 640px;
        }

        .eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 999px;
            font-size: 0.92rem;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(224, 30, 90, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            background: var(--accent-hover);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-dark);
            border-color: rgba(27, 14, 23, 0.35);
        }

        .btn-outline:hover {
            background: var(--bg-card-alt);
            border-color: var(--text-dark);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-light-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .btn-light-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* ---------- 面包屑 ---------- */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
        }

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

        .breadcrumb .separator {
            color: rgba(138, 126, 132, 0.5);
        }

        .breadcrumb .current {
            color: var(--text-dark);
            font-weight: 600;
        }

        /* ---------- 分类标题区 ---------- */
        .category-hero {
            background: linear-gradient(135deg, #140A12 0%, #1B0E17 55%, #2A1320 100%);
            color: var(--text-light);
            padding: 52px 0 44px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(224, 30, 90, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 20%;
            width: 400px;
            height: 200px;
            background: radial-gradient(ellipse, rgba(242, 184, 75, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.4;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .category-hero p {
            font-size: 1rem;
            color: rgba(250, 246, 242, 0.75);
            max-width: 720px;
            line-height: 1.85;
        }

        .category-hero .breadcrumb {
            color: rgba(250, 246, 242, 0.6);
        }

        .category-hero .breadcrumb a {
            color: rgba(250, 246, 242, 0.6);
        }

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

        .category-hero .breadcrumb .current {
            color: #fff;
        }

        /* ---------- 筛选工具条 ---------- */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .filter-tag {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.82rem;
            font-weight: 500;
            background: transparent;
            border: 1px solid rgba(27, 14, 23, 0.2);
            color: var(--text-body);
            transition: all var(--transition);
            cursor: pointer;
        }

        .filter-tag:hover {
            background: var(--bg-card-alt);
            border-color: var(--text-dark);
        }

        .filter-tag.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(224, 30, 90, 0.25);
        }

        .filter-tag:active {
            transform: scale(0.97);
        }

        /* ---------- 列表卡片 ---------- */
        .list-card {
            display: flex;
            gap: 18px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            padding: 16px 18px;
            transition: all var(--transition);
            margin-bottom: 14px;
            align-items: center;
        }

        .list-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(224, 30, 90, 0.25);
        }

        .list-card-img {
            flex-shrink: 0;
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .list-card-body {
            flex: 1;
            min-width: 0;
        }

        .list-card-title {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 8px;
        }

        .list-tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--accent-soft);
            color: var(--accent);
            white-space: nowrap;
        }

        .list-tag.highlight-tag {
            background: var(--highlight-soft);
            color: #8B6914;
        }

        .list-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .heat-bar {
            width: 100%;
            height: 6px;
            background: #EDE6E0;
            border-radius: 6px;
            overflow: hidden;
        }

        .heat-bar-fill {
            height: 100%;
            border-radius: 6px;
            background: linear-gradient(90deg, var(--accent) 0%, var(--highlight) 100%);
            transition: width 0.6s ease;
        }

        /* ---------- 查看更多按钮 ---------- */
        .load-more-wrap {
            text-align: center;
            padding: 20px 0 12px;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 36px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            border: 2px solid var(--text-dark);
            color: var(--text-dark);
            transition: all var(--transition);
        }

        .btn-load-more:hover {
            background: var(--text-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-load-more:active {
            transform: translateY(0);
        }

        /* ---------- 热门排行 ---------- */
        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            padding: 18px 20px;
            margin-bottom: 12px;
            transition: all var(--transition);
        }

        .rank-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .rank-medal {
            font-size: 2rem;
            flex-shrink: 0;
        }

        .rank-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--highlight);
            flex-shrink: 0;
            width: 52px;
            text-align: center;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .rank-stars {
            color: var(--highlight);
            font-size: 0.85rem;
            letter-spacing: 2px;
        }

        .rank-score {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .rank-params {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }

        .rank-param {
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--bg-card-alt);
            color: var(--text-body);
        }

        .rank-bar-wrap {
            flex-shrink: 0;
            width: 120px;
        }

        .rank-bar-label {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-bottom: 4px;
            text-align: right;
        }

        .rank-bar {
            height: 6px;
            background: #EDE6E0;
            border-radius: 6px;
            overflow: hidden;
        }

        .rank-bar-fill {
            height: 100%;
            border-radius: 6px;
            background: var(--accent);
        }

        /* ---------- 专题推荐 ---------- */
        .topic-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

        .topic-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .topic-scroll::-webkit-scrollbar-track {
            background: #EDE6E0;
            border-radius: 6px;
        }

        .topic-scroll::-webkit-scrollbar-thumb {
            background: rgba(27, 14, 23, 0.3);
            border-radius: 6px;
        }

        .topic-card {
            flex-shrink: 0;
            width: 220px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            scroll-snap-align: start;
            transition: all var(--transition);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(224, 30, 90, 0.25);
        }

        .topic-card-img {
            height: 140px;
            overflow: hidden;
        }

        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

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

        .topic-card-body {
            padding: 14px 16px 16px;
        }

        .topic-card-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .topic-card-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 8px;
            align-items: center;
        }

        /* ---------- 使用说明 ---------- */
        .info-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            padding: 18px 20px;
            transition: all var(--transition);
        }

        .info-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .info-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.05rem;
        }

        .info-text h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .info-text p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ---------- FAQ ---------- */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            transition: background var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--bg-card-alt);
        }

        .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: linear-gradient(135deg, #140A12 0%, #1B0E17 50%, #2A1320 100%);
            color: var(--text-light);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -40px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(242, 184, 75, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 0.95rem;
            color: rgba(250, 246, 242, 0.7);
            margin-bottom: 28px;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ---------- 订阅表单 ---------- */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 20px auto 0;
        }

        .subscribe-form input {
            flex: 1;
            padding: 13px 20px;
            border-radius: 999px;
            border: 1px solid rgba(27, 14, 23, 0.25);
            background: var(--card-bg);
            font-size: 0.9rem;
            color: var(--text-dark);
            transition: border var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(224, 30, 90, 0.15);
        }

        .privacy-hint {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
        }

        /* ---------- 页脚 ---------- */
        .footer-top {
            background: var(--bg-dark);
            color: rgba(250, 246, 242, 0.75);
            padding: 48px 0 32px;
        }

        .footer-top .container {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 32px;
        }

        .footer-brand h3 {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.75;
            color: rgba(250, 246, 242, 0.55);
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col a {
            font-size: 0.82rem;
            color: rgba(250, 246, 242, 0.55);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            background: #0D070B;
            padding: 16px 0;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(250, 246, 242, 0.35);
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            .sidebar {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }

            section {
                padding: 40px 0;
            }

            .category-hero {
                padding: 40px 0 36px;
            }

            .category-hero h1 {
                font-size: 1.65rem;
            }

            .container {
                padding: 0 20px;
            }

            .info-list {
                grid-template-columns: 1fr;
            }

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

            .rank-bar-wrap {
                width: 80px;
            }

            .list-card-img {
                width: 100px;
                height: 75px;
            }
        }

        @media (max-width: 640px) {
            section {
                padding: 32px 0;
            }

            .section-heading h2 {
                font-size: 1.35rem;
            }

            .category-hero h1 {
                font-size: 1.4rem;
            }

            .category-hero p {
                font-size: 0.88rem;
            }

            .list-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .list-card-img {
                width: 100%;
                height: 160px;
            }

            .filter-bar {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
            }

            .filter-tag {
                flex-shrink: 0;
                white-space: nowrap;
            }

            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }

            .rank-number {
                width: 36px;
                font-size: 1.2rem;
            }

            .rank-medal {
                font-size: 1.4rem;
            }

            .rank-bar-wrap {
                width: 100%;
                margin-top: 8px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form .btn {
                width: 100%;
                justify-content: center;
            }

            .cta-inner h2 {
                font-size: 1.45rem;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 1.2rem;
            }

            .section-heading h2 {
                font-size: 1.2rem;
            }

            .topic-card {
                width: 180px;
            }

            .topic-card-img {
                height: 110px;
            }
        }