/* roulang page: index */
:root {
            --color-bg: #F5F9FE;
            --color-surface: #FFFFFF;
            --color-primary: #2E6FBF;
            --color-primary-deep: #1F5298;
            --color-primary-soft: #EAF2FC;
            --color-accent: #F97316;
            --color-text: #14273E;
            --color-text-secondary: #516A85;
            --color-text-muted: #7C91A7;
            --color-line: #D8E5F2;
            --color-footer: #0D2137;
            --color-live: #EF4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-default: 0 10px 30px rgba(20, 60, 120, 0.08);
            --shadow-hover: 0 16px 40px rgba(20, 60, 120, 0.14);
            --transition: 200ms ease-out;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .no-scroll {
            overflow: hidden;
        }
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        /* ===== Dock 导航 ===== */
        .dock-nav {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 80rem;
            padding: 0 1.25rem;
            z-index: 1000;
        }
        .dock-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 1rem 0 1.5rem;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(216, 229, 242, 0.9);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition);
        }
        .dock-container:hover {
            box-shadow: var(--shadow-hover);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .dock-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }
        .dock-logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }
        .dock-menu {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin: 0 1rem;
        }
        .dock-link {
            padding: 0.4rem 0.875rem;
            border-radius: var(--radius-pill);
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .dock-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .dock-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }
        .dock-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            transition: all var(--transition);
            background: transparent;
        }
        .icon-btn:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.25rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 0.5rem 1rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-primary-deep);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(46, 111, 191, 0.35);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.25rem;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-radius: var(--radius-md);
            padding: 0.5rem 1rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: #d6e6f9;
            color: var(--color-primary-deep);
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        .btn-lg {
            padding: 0.875rem 1.75rem;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: var(--color-primary-soft);
        }
        .hamburger span {
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            position: fixed;
            top: 5.5rem;
            left: 1rem;
            right: 1rem;
            z-index: 999;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border: 1px solid var(--color-line);
            border-radius: 20px;
            padding: 1rem;
            box-shadow: var(--shadow-hover);
            transform: translateY(-10px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-menu a {
            display: block;
            padding: 0.875rem 1rem;
            border-radius: 12px;
            font-size: 1rem;
            color: var(--color-text);
            font-weight: 500;
            transition: all var(--transition);
        }
        .mobile-menu a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .mobile-menu a.active {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-menu .btn-primary {
            margin-top: 1rem;
            width: 100%;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .dock-nav {
                top: 0.75rem;
                padding: 0 0.75rem;
            }
            .dock-container {
                height: 56px;
                border-radius: 20px;
                padding: 0 0.75rem 0 1rem;
            }
            .dock-menu {
                display: none;
            }
            .dock-actions {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .dock-logo-text {
                font-size: 1.125rem;
            }
        }
        /* ===== Hero ===== */
        .hero-section {
            padding-top: 7rem;
        }
        .hero-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 2rem;
            box-shadow: 0 4px 20px rgba(20, 60, 120, 0.05);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 2.5rem;
            align-items: start;
        }
        .hero-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-primary-soft);
        }
        .hero-cover-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(245, 249, 254, 0) 60%, rgba(245, 249, 254, 0.8) 100%);
            pointer-events: none;
        }
        .hero-live-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            z-index: 2;
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-pill);
            padding: 0.375rem 0.875rem;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--color-live);
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-live);
            display: inline-block;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(0.8);
            }
        }
        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .hero-content h1 {
            font-size: clamp(1.875rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }
        .hero-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.04em;
        }
        .countdown-wrap {
            background: var(--color-primary-soft);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
        }
        .countdown-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 0.75rem;
        }
        .countdown-grid {
            display: flex;
            gap: 0.75rem;
        }
        .countdown-item {
            flex: 1;
            text-align: center;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 0.75rem 0.5rem;
            border: 1px solid var(--color-line);
        }
        .countdown-num {
            display: block;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .countdown-unit {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
            display: block;
        }
        .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .highlight-list li {
            position: relative;
            padding-left: 1.75rem;
            font-size: 0.9375rem;
            color: var(--color-text);
            line-height: 1.6;
        }
        .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.4rem;
            width: 1rem;
            height: 1rem;
            border-radius: 50%;
            background: var(--color-primary-soft);
            border: 2px solid var(--color-primary);
        }
        .hero-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .hero-meta {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
        }
        .replay-strip {
            margin-top: 2.5rem;
            border-top: 1px solid var(--color-line);
            padding-top: 1.5rem;
        }
        .replay-strip-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
        }
        .replay-strip-header h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
        }
        .replay-strip-header a {
            font-size: 0.875rem;
            color: var(--color-primary);
            font-weight: 500;
            transition: color var(--transition);
        }
        .replay-strip-header a:hover {
            color: var(--color-primary-deep);
        }
        .replay-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0.875rem;
        }
        .replay-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }
        .replay-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .replay-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            background: var(--color-primary-soft);
            overflow: hidden;
        }
        .replay-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .duration-badge {
            position: absolute;
            right: 0.5rem;
            bottom: 0.5rem;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            font-size: 0.75rem;
            padding: 0.125rem 0.375rem;
            border-radius: var(--radius-sm);
            font-variant-numeric: tabular-nums;
        }
        .replay-info {
            padding: 0.625rem 0.75rem;
            display: flex;
            flex-direction: column;
            gap: 0.125rem;
        }
        .replay-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .replay-views {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .replay-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .hero-card {
                padding: 1rem;
                border-radius: var(--radius-lg);
            }
            .countdown-grid {
                gap: 0.375rem;
            }
            .countdown-item {
                padding: 0.5rem 0.25rem;
            }
            .countdown-num {
                font-size: 1.375rem;
            }
            .replay-cards {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }
        }
        /* ===== 数据速览 ===== */
        .stats-section {
            padding: 2.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-top: 1px solid var(--color-line);
            padding-top: 2rem;
            gap: 2rem;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
            display: block;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            margin-top: 0.25rem;
            display: block;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        /* ===== 通用板块头 ===== */
        .section-header {
            margin-bottom: 2rem;
        }
        .section-header h2 {
            font-size: clamp(1.375rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin-bottom: 0.375rem;
        }
        .section-header p {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
        }
        /* ===== 最新信息 ===== */
        .news-section {
            padding: 2.5rem 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2rem;
            align-items: start;
        }
        .news-feature .news-card {
            display: flex;
            flex-direction: column;
            gap: 0.875rem;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all var(--transition);
            height: 100%;
        }
        .news-feature .news-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .news-category {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-pill);
            width: fit-content;
        }
        .news-feature .news-card h3 {
            font-size: 1.375rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-summary {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--color-text-muted);
            margin-top: auto;
            padding-top: 0.75rem;
            border-top: 1px solid var(--color-line);
        }
        .read-link {
            color: var(--color-primary);
            font-weight: 600;
            transition: color var(--transition);
        }
        .read-link:hover {
            color: var(--color-primary-deep);
        }
        .news-timeline {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .news-timeline-item {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            padding: 0.875rem 1rem;
            transition: all var(--transition);
        }
        .news-timeline-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-default);
        }
        .news-timeline-link {
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
        }
        .news-category-tag {
            display: inline-block;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.6875rem;
            font-weight: 600;
            padding: 0.125rem 0.5rem;
            border-radius: var(--radius-pill);
            width: fit-content;
        }
        .news-timeline-title {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-timeline-time {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .news-empty {
            grid-column: 1 / -1;
            border: 2px dashed var(--color-line);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.9375rem;
            background: var(--color-surface);
        }
        .news-empty-icon {
            margin: 0 auto 1rem;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ===== 业务区 ===== */
        .service-section {
            padding: 3rem 0;
        }
        .service-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 3rem;
        }
        .service-block-reverse {
            direction: rtl;
        }
        .service-block-reverse>* {
            direction: ltr;
        }
        .service-image {
            position: relative;
            aspect-ratio: 4 / 3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-primary-soft);
            box-shadow: var(--shadow-default);
        }
        .service-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .service-image:hover img {
            transform: scale(1.02);
        }
        .service-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .service-content p {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 0.875rem;
        }
        .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.875rem;
            font-size: 0.9375rem;
            color: var(--color-text);
            line-height: 1.6;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2rem;
            height: 2rem;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.8125rem;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }
        @media (max-width: 768px) {
            .service-block,
            .service-block-reverse {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                direction: ltr;
            }
            .service-block-reverse>* {
                direction: ltr;
            }
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: 3rem 0;
        }
        .faq-list {
            max-width: 48rem;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-default);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.125rem 1.5rem;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            transition: color var(--transition);
            gap: 1rem;
        }
        .faq-question::-webkit-details-marker {
            display: none;
        }
        .faq-question::after {
            content: '+';
            font-size: 1.375rem;
            font-weight: 400;
            color: var(--color-primary);
            transition: transform var(--transition);
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item[open] .faq-question::after {
            transform: rotate(45deg);
        }
        .faq-item[open] .faq-question {
            color: var(--color-primary);
        }
        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--color-line);
            padding-top: 1rem;
            margin-top: 0.25rem;
        }
        /* ===== CTA ===== */
        .cta-section {
            padding: 2.5rem 0 4rem;
        }
        .cta-card {
            background: var(--color-primary-soft);
            border-radius: var(--radius-xl);
            padding: 3rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .cta-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.375rem;
        }
        .cta-content p {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
        }
        .cta-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        @media (max-width: 640px) {
            .cta-card {
                padding: 2rem 1.5rem;
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                justify-content: center;
                width: 100%;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-secondary {
                flex: 1;
            }
        }
        /* ===== 页脚 ===== */
        .footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-logo {
            font-size: 1.375rem;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.875rem;
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .footer-col h4 {
            font-size: 0.875rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.875rem;
        }
        .footer-col a {
            display: block;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.375rem 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            padding: 1.5rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.875rem;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-links {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg: #F5F9FE;
            --color-surface: #FFFFFF;
            --color-primary: #2E6FBF;
            --color-primary-deep: #1F5298;
            --color-primary-soft: #EAF2FC;
            --color-accent: #F97316;
            --color-text: #14273E;
            --color-text-secondary: #516A85;
            --color-text-muted: #7C91A7;
            --color-line: #D8E5F2;
            --color-footer: #0D2137;
            --color-live: #EF4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-default: 0 10px 30px rgba(20, 60, 120, 0.08);
            --shadow-hover: 0 16px 40px rgba(20, 60, 120, 0.14);
            --transition-base: all 0.25s ease-out;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            display: block;
            max-width: 100%;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* ===== Nav 导航 ===== */
        .dock-nav {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 1.5rem);
            max-width: 64rem;
            z-index: 100;
            background: rgba(255, 255, 255, 0.85);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(216, 229, 242, 0.9);
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-default);
            height: 64px;
            transition: var(--transition-base);
        }
        .dock-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            padding: 0 1.5rem;
            gap: 0.75rem;
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .dock-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 50%;
        }
        .dock-logo-text {
            font-weight: 700;
            font-size: 1.125rem;
            color: var(--color-text);
            white-space: nowrap;
        }
        .dock-menu {
            display: flex;
            align-items: center;
            gap: 0.125rem;
        }
        .dock-link {
            padding: 0.5rem 0.875rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .dock-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .dock-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }
        .dock-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        .icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
            background: transparent;
        }
        .icon-btn:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 1rem;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-primary-deep);
            box-shadow: 0 6px 16px rgba(46, 111, 191, 0.25);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            padding: 8px;
            background: var(--color-primary-soft);
        }
        .hamburger span {
            display: block;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
            transition: var(--transition-base);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 84px;
            left: 0.75rem;
            right: 0.75rem;
            z-index: 99;
            background: rgba(255, 255, 255, 0.97);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(216, 229, 242, 0.9);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            padding: 1rem;
            flex-direction: column;
            gap: 0.25rem;
            max-height: calc(100vh - 100px);
            overflow-y: auto;
        }
        .mobile-drawer a {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-md);
        }
        .mobile-drawer a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .mobile-drawer a.active {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }
        .mobile-drawer .drawer-cta {
            margin-top: 0.75rem;
            width: 100%;
        }
        @media (max-width: 1023px) {
            .dock-menu {
                display: none;
            }
            .dock-actions .btn-primary {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .dock-container {
                padding: 0 0.75rem;
            }
        }
        @media (min-width: 1024px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding-top: 160px;
            padding-bottom: 64px;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .category-hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(245, 249, 254, 0.92) 0%, rgba(255, 255, 255, 0.75) 50%, rgba(234, 242, 252, 0.85) 100%);
        }
        .category-hero-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }
        .category-hero h1 {
            font-size: clamp(1.875rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-text);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }
        .category-hero-sub {
            font-size: 1.125rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.375rem 0.875rem;
            border-radius: var(--radius-full);
            margin-bottom: 1.25rem;
        }
        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-live);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 1.25rem;
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: transparent;
            transition: var(--transition-base);
        }
        .btn-outline:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 1.25rem;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: var(--transition-base);
        }
        .btn-accent:hover {
            background: #ea6a0c;
            box-shadow: 0 6px 16px rgba(249, 115, 22, 0.3);
        }
        .btn-accent:active {
            transform: scale(0.98);
        }

        /* ===== 横幅卡 ===== */
        .banner-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-default);
            border: 1px solid rgba(216, 229, 242, 0.6);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .banner-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .banner-card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-primary-soft);
        }
        .banner-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .banner-card:hover .banner-card-media img {
            transform: scale(1.03);
        }
        .banner-card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-full);
            z-index: 2;
        }
        .banner-card-body {
            padding: 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .banner-card-time {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.375rem;
            margin-bottom: 0.5rem;
        }
        .banner-card-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            line-height: 1.3;
        }
        .banner-card-desc {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            flex: 1;
        }
        .banner-card-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        /* ===== 编号列表 ===== */
        .numbered-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .numbered-list li {
            display: flex;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(216, 229, 242, 0.7);
            transition: var(--transition-base);
            align-items: flex-start;
        }
        .numbered-list li:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-default);
            transform: translateX(4px);
        }
        .numbered-tag {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .numbered-body {
            flex: 1;
        }
        .numbered-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.25rem;
        }
        .numbered-body p {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* ===== 右侧信息卡 ===== */
        .side-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            border: 1px solid rgba(216, 229, 242, 0.7);
            box-shadow: var(--shadow-default);
            transition: var(--transition-base);
        }
        .side-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .side-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
        }
        .side-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.75rem;
        }
        .side-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .side-card li {
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }
        .side-card li .match-time {
            color: var(--color-primary);
            font-weight: 600;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }

        /* ===== 数据速览 ===== */
        .stats-band {
            border-top: 1px solid var(--color-line);
            padding: 2.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .stat-item {
            text-align: center;
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
        }

        /* ===== 热门赛事卡片 ===== */
        .match-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(216, 229, 242, 0.7);
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary);
        }
        .match-card-media {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--color-primary-soft);
        }
        .match-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .match-card:hover .match-card-media img {
            transform: scale(1.05);
        }
        .match-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.625rem;
            border-radius: var(--radius-full);
            backdrop-filter: blur(4px);
        }
        .match-card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .match-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.375rem;
            line-height: 1.4;
        }
        .match-card-body p {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
            margin-bottom: 0.75rem;
            flex: 1;
        }
        .match-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-line);
            padding-top: 0.75rem;
        }
        .match-card-meta .status-live {
            color: var(--color-live);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        .status-live::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-live);
            animation: pulse-dot 1.5s infinite;
        }

        /* ===== 区块标题 ===== */
        .section-title {
            font-size: clamp(1.375rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.375rem;
            line-height: 1.3;
        }
        .section-sub {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
        }
        .section-header {
            margin-bottom: 2rem;
        }
        .section-title-accent {
            padding-left: 0.75rem;
            border-left: 4px solid var(--color-primary);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 48rem;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: 12px;
            border: 1px solid rgba(216, 229, 242, 0.7);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-primary);
        }
        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
            line-height: 1;
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary-soft);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-default);
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 480px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-footer);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 3rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.5fr 2fr;
                gap: 3rem;
            }
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-logo svg {
            color: var(--color-primary);
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            max-width: 240px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 640px) {
            .footer-links {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        .footer-col a {
            display: block;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.25rem 0;
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.25rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 通用区块 ===== */
        .section {
            padding: 4rem 0;
        }
        .section-page {
            padding-top: 120px;
        }
        .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.625rem;
            border-radius: var(--radius-full);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.4;
        }
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(216, 229, 242, 0.7);
            box-shadow: var(--shadow-default);
            transition: var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
        }

        /* ===== 相关链接行 ===== */
        .link-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }
        .link-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.5rem 1rem;
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-full);
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
        }
        .link-pill:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        /* ===== 移动端抽屉 ===== */
        @media (max-width: 1023px) {
            .category-hero {
                padding-top: 130px;
                padding-bottom: 48px;
                min-height: 360px;
            }
        }

/* roulang page: article */
:root {
    --color-bg: #F5F9FE;
    --color-surface: #FFFFFF;
    --color-primary: #2E6FBF;
    --color-primary-deep: #1F5298;
    --color-primary-soft: #EAF2FC;
    --color-accent: #F97316;
    --color-text: #14273E;
    --color-text-secondary: #516A85;
    --color-text-muted: #7C91A7;
    --color-line: #D8E5F2;
    --color-footer: #0D2137;
    --color-live: #EF4444;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow: 0 10px 30px rgba(20, 60, 120, 0.08);
    --shadow-hover: 0 16px 40px rgba(20, 60, 120, 0.14);
    --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}
.container {
    max-width: 80rem;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

/* 浮动 Dock 导航 */
.dock-nav {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 64rem;
    z-index: 1000;
    padding: 0 1rem;
}
.dock-container {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    height: 64px;
    padding: 0 1rem 0 1.25rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(216, 229, 242, 0.9);
    border-radius: 999px;
    box-shadow: var(--shadow);
}
.dock-logo {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--color-text);
}
.dock-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.dock-logo-text { white-space: nowrap; }
.dock-menu {
    display: flex;
    align-items: center;
    gap: .25rem;
    margin-left: auto;
}
.dock-link {
    padding: .5rem .9rem;
    border-radius: 999px;
    font-size: .9375rem;
    color: var(--color-text-secondary);
    transition: color .2s ease-out, background .2s ease-out;
}
.dock-link:hover { color: var(--color-primary); background: var(--color-primary-soft); }
.dock-link.active { color: var(--color-primary); background: var(--color-primary-soft); font-weight: 600; }
.dock-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
}
.icon-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: background .2s, color .2s;
}
.icon-btn:hover { background: var(--color-primary-soft); color: var(--color-primary); }
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 36px;
    padding: 0 16px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 999px;
    font-size: .9375rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background .2s, transform .15s;
}
.btn-primary:hover { background: var(--color-primary-deep); }
.btn-primary:active { transform: scale(.98); }
.hamburger {
    display: none;
    width: 36px;
    height: 36px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
}
.hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform .2s, opacity .2s;
}
.hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 文章主区域 */
.article-main {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 70vh;
}
.article-inner {
    max-width: 48rem;
    margin: 0 auto;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
    font-size: .875rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb a:hover { color: var(--color-primary-deep); }
.breadcrumb .sep { color: var(--color-line); }
.breadcrumb .current {
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 16rem;
}

/* 文章卡片 */
.article-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow);
}
.article-header h1 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.35;
    color: var(--color-text);
    margin-bottom: 1rem;
    overflow-wrap: break-word;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1.25rem;
    color: var(--color-text-muted);
    font-size: .875rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-line);
}
.article-cover {
    margin: 2rem 0 2.5rem;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--color-primary-soft);
}
.article-cover img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.article-cover figcaption {
    font-size: .8125rem;
    color: var(--color-text-muted);
    text-align: center;
    padding: .75rem 1rem;
}

/* 正文阅读区 */
.article-body {
    font-size: 17px;
    line-height: 1.85;
    color: var(--color-text);
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 48px 0 20px;
    padding-left: 14px;
    border-left: 4px solid var(--color-primary);
}
.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 32px 0 16px;
}
.article-body ul,
.article-body ol {
    margin: 0 0 20px;
    padding-left: 1.5rem;
}
.article-body li { margin-bottom: 8px; }
.article-body a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color .2s;
}
.article-body a:hover { color: var(--color-primary-deep); }
.article-body blockquote {
    background: #F8FBFF;
    border-left: 4px solid var(--color-primary-soft);
    border-radius: 0 12px 12px 0;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    color: var(--color-text-secondary);
}
.article-body img {
    border-radius: var(--radius-lg);
    margin: 1.5rem 0;
}
.article-body figcaption {
    font-size: .8125rem;
    color: var(--color-text-muted);
    text-align: center;
    margin: -1rem 0 1.5rem;
}

/* 标签 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: 2.5rem;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .35rem .8rem;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: 999px;
    font-size: .8125rem;
    font-weight: 500;
    transition: background .2s, color .2s;
}
.tag:hover { background: var(--color-primary); color: #fff; }

/* 上一篇 / 下一篇 */
.prev-next {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-line);
    font-size: .9375rem;
}
.prev-next a { color: var(--color-primary); font-weight: 500; }
.prev-next a:hover { color: var(--color-primary-deep); }
.prev-next span { color: var(--color-text-muted); }
.prev-next .prev {
    max-width: 50%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.prev-next .next {
    max-width: 50%;
    text-align: right;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 相关推荐 */
.related-section { margin-top: 3rem; }
.related-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}
.related-list { display: flex; flex-direction: column; gap: .75rem; }
.related-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow);
    transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s;
    border: 1px solid transparent;
}
.related-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary);
}
.related-thumb {
    width: 120px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: var(--color-primary-soft);
}
.related-thumb img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}
.related-content h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin-bottom: .25rem;
    color: var(--color-text);
}
.related-content p {
    font-size: .875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* 轻量 CTA */
.article-cta {
    margin-top: 3rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    background: var(--color-primary-soft);
    border-radius: var(--radius-xl);
    padding: 2rem 2.5rem;
}
.article-cta h2 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-text);
}
.article-cta p {
    font-size: .875rem;
    color: var(--color-text-secondary);
    margin-top: .25rem;
}

/* 空态 */
.empty-state {
    background: var(--color-surface);
    border: 2px dashed var(--color-line);
    border-radius: var(--radius-xl);
    padding: 5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}
.empty-state h1 { font-size: 1.5rem; margin-bottom: .5rem; }
.empty-state p { color: var(--color-text-secondary); margin-bottom: 1.5rem; }

/* 页脚 */
.footer {
    background: var(--color-footer);
    color: #9DB2C8;
    padding: 48px 0 0;
}
.footer a { color: #9DB2C8; transition: color .2s; }
.footer a:hover { color: #fff; }
.footer-grid {
    display: flex;
    gap: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand { flex: 1 1 auto; }
.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .75rem;
}
.footer-brand p {
    font-size: .875rem;
    line-height: 1.6;
    max-width: 20rem;
}
.footer-links {
    flex: 2 1 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.footer-col h4 {
    color: #fff;
    font-size: .9375rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
.footer-col a {
    display: block;
    font-size: .875rem;
    padding: .25rem 0;
}
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: .5rem;
    padding: 1.25rem 0 1.5rem;
    font-size: .8125rem;
    color: #6C86A0;
}

/* 响应式 */
@media (max-width: 1024px) {
    .dock-nav {
        max-width: 100%;
        padding: 0 12px;
        top: 12px;
    }
    .dock-container { border-radius: 20px; position: relative; }
    .dock-menu {
        position: absolute;
        top: calc(100% + 10px);
        left: 12px;
        right: 12px;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-radius: 20px;
        padding: 12px;
        box-shadow: 0 20px 50px rgba(20, 60, 120, .14);
        display: none;
        margin-left: 0;
    }
    .dock-menu.open { display: flex; }
    .dock-link { padding: .75rem 1rem; }
    .dock-actions .btn-primary { display: none; }
    .hamburger { display: flex; margin-left: auto; }
    body.nav-open { overflow: hidden; }
}
@media (max-width: 768px) {
    .container { padding-left: 1.25rem; padding-right: 1.25rem; }
    .article-main { padding-top: 100px; }
    .article-card { padding: 1.5rem; }
    .article-cta { padding: 1.5rem; flex-direction: column; align-items: flex-start; }
    .footer-grid { flex-direction: column; gap: 2rem; }
    .footer-links { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
    .dock-container { gap: .5rem; padding-left: .75rem; padding-right: .75rem; }
    .dock-logo-text { font-size: 1rem; }
    .dock-menu { left: 8px; right: 8px; }
    .related-item { flex-direction: column; align-items: flex-start; }
    .related-thumb { width: 100%; }
    .related-thumb img { aspect-ratio: 16 / 9; }
    .article-meta { flex-direction: column; gap: .4rem; }
    .prev-next { flex-direction: column; text-align: left; }
    .prev-next .prev,
    .prev-next .next { max-width: 100%; text-align: left; }
    .breadcrumb .current { max-width: 10rem; }
}

/* roulang page: category2 */
:root {
            --color-bg: #F5F9FE;
            --color-surface: #FFFFFF;
            --color-primary: #2E6FBF;
            --color-primary-deep: #1F5298;
            --color-primary-soft: #EAF2FC;
            --color-accent: #F97316;
            --color-text: #14273E;
            --color-text-secondary: #516A85;
            --color-text-muted: #7C91A7;
            --color-line: #D8E5F2;
            --color-footer: #0D2137;
            --color-live: #EF4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-card: 0 10px 30px rgba(20, 60, 120, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(20, 60, 120, 0.14);
            --transition-base: 200ms ease-out;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--color-primary-deep);
        }

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

        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .section {
            padding: 4.5rem 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .section-head h2 {
            font-size: clamp(1.375rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .section-head p {
            margin-top: 0.75rem;
            font-size: 1rem;
            color: var(--color-text-secondary);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-full);
            font-size: 0.8125rem;
            font-weight: 600;
            background: var(--color-primary-soft);
            color: var(--color-primary-deep);
            line-height: 1.4;
        }

        /* Dock Navigation */
        .dock-nav {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: 100%;
            max-width: 64rem;
            padding: 0 0.75rem;
        }

        .dock-container {
            display: flex;
            align-items: center;
            height: 64px;
            padding: 0 1rem;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.85);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(216, 229, 242, 0.9);
            box-shadow: 0 8px 32px rgba(20, 60, 120, 0.1);
            gap: 1rem;
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
            color: var(--color-text);
        }

        .dock-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .dock-logo-text {
            font-size: 1.125rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .dock-menu {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
            justify-content: center;
        }

        .dock-link {
            padding: 0.375rem 0.875rem;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .dock-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .dock-link.active {
            color: var(--color-primary-deep);
            background: var(--color-primary-soft);
            font-weight: 600;
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--color-text-secondary);
            transition: background var(--transition-base), color var(--transition-base);
        }

        .icon-btn:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            height: 36px;
            padding: 0 1rem;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #fff;
            font-size: 0.875rem;
            font-weight: 600;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-deep);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.375rem;
            height: 36px;
            padding: 0 1rem;
            border-radius: var(--radius-md);
            background: var(--color-surface);
            color: var(--color-primary);
            font-size: 0.875rem;
            font-weight: 600;
            border: 1px solid var(--color-line);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary-deep);
            border-color: var(--color-primary);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            align-items: center;
            background: var(--color-primary-soft);
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
            transition: all 300ms ease-out;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: rgba(245, 249, 254, 0.98);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            display: flex;
            flex-direction: column;
            padding: 6rem 2rem 2rem;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 300ms ease-out, visibility 300ms ease-out;
        }

        .mobile-drawer.open {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .mobile-drawer a {
            display: block;
            padding: 1rem 0;
            font-size: 1.125rem;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-line);
        }

        .mobile-drawer a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-drawer .btn-primary {
            margin-top: 2rem;
            height: 44px;
            font-size: 1rem;
        }

        body.lock {
            overflow: hidden;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            padding: 8rem 0 4rem;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-bottom: 1px solid var(--color-line);
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(234, 242, 252, 0.78) 50%, rgba(245, 249, 254, 0.88) 100%);
        }

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

        .hero-content {
            max-width: 48rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.375rem 1rem;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .hero-content h1 {
            font-size: clamp(1.875rem, 4vw, 2.75rem);
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .hero-subtitle {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
            margin-bottom: 2rem;
            max-width: 36rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .hero-actions .btn-primary {
            height: 44px;
            padding: 0 1.5rem;
            font-size: 1rem;
        }

        .hero-actions .btn-secondary {
            height: 44px;
            padding: 0 1.5rem;
            font-size: 1rem;
        }

        /* Alternate rows */
        .alt-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
            margin-bottom: 3.5rem;
        }

        .alt-row:last-child {
            margin-bottom: 0;
        }

        .alt-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16 / 10;
            background: var(--color-primary-soft);
        }

        .alt-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease-out;
        }

        .alt-image:hover img {
            transform: scale(1.03);
        }

        .alt-content {
            padding: 0.5rem 0;
        }

        .alt-content .badge {
            margin-bottom: 1rem;
        }

        .alt-content h3 {
            font-size: 1.375rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.875rem;
            line-height: 1.4;
        }

        .alt-content p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 1.25rem;
        }

        .alt-feature-list {
            list-style: none;
            padding: 0;
        }

        .alt-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.625rem;
            margin-bottom: 0.625rem;
            font-size: 0.9375rem;
            color: var(--color-text);
        }

        .alt-feature-list li svg {
            flex-shrink: 0;
            margin-top: 0.25rem;
        }

        /* Stats band */
        .stats-band {
            border-top: 1px solid var(--color-line);
            border-bottom: 1px solid var(--color-line);
            background: var(--color-surface);
            padding: 2.5rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .stat-item {
            text-align: center;
            padding: 0.5rem;
        }

        .stat-number {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .stat-label {
            margin-top: 0.375rem;
            font-size: 0.875rem;
            color: var(--color-text-secondary);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }

        .step-item {
            position: relative;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-line);
            transition: all var(--transition-base);
        }

        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .step-item h4 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }

        .step-item p {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* Related links row */
        .related-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-line);
        }

        .related-links-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            max-width: 48rem;
            margin: 0 auto;
        }

        .related-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.5rem;
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-base);
            text-decoration: none;
        }

        .related-link:hover {
            border-color: var(--color-primary);
            background: var(--color-primary-soft);
            color: var(--color-primary-deep);
        }

        .related-link.active {
            border-color: var(--color-primary);
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }

        .related-link .arrow {
            transition: transform var(--transition-base);
        }

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

        /* FAQ */
        .faq-list {
            max-width: 48rem;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-line);
            margin-bottom: 0.75rem;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(20, 60, 120, 0.04);
            transition: all var(--transition-base);
        }

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

        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.25rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            list-style: none;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--color-primary);
            transition: transform 300ms ease-out;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--color-text-secondary);
            font-size: 0.9375rem;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 4rem 0;
        }

        .cta-card {
            background: var(--color-primary-soft);
            border-radius: var(--radius-xl);
            padding: 3rem 2rem;
            text-align: center;
            border: 1px solid rgba(216, 229, 242, 0.8);
        }

        .cta-card h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 1.5rem;
        }

        .cta-card .btn-primary {
            height: 44px;
            padding: 0 2rem;
            font-size: 1rem;
        }

        /* Footer */
        .footer {
            background: var(--color-footer);
            color: #A0B3C8;
            padding-top: 3rem;
            font-size: 0.875rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .footer-logo:hover {
            color: #fff;
        }

        .footer-brand p {
            font-size: 0.8125rem;
            color: #7C91A7;
            margin-top: 0.5rem;
        }

        .footer-links {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .footer-col h4 {
            font-size: 0.875rem;
            font-weight: 600;
            color: #D8E5F2;
            margin-bottom: 0.75rem;
        }

        .footer-col a {
            display: block;
            padding: 0.25rem 0;
            color: #A0B3C8;
            font-size: 0.8125rem;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            align-items: center;
            text-align: center;
            font-size: 0.8125rem;
            color: #7C91A7;
        }

        .footer-bottom a {
            color: #A0B3C8;
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        /* Responsive */
        @media (min-width: 768px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }

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

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

            .related-links-row {
                grid-template-columns: repeat(3, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 2fr;
            }

            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }

            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }

            .alt-row {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
            }

            .alt-row.reverse .alt-image {
                order: 2;
            }

            .alt-row.reverse .alt-content {
                order: 1;
            }

            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            .dock-container {
                padding: 0 0.75rem 0 1.25rem;
            }
        }

        @media (max-width: 767px) {
            .dock-container {
                border-radius: var(--radius-lg);
                height: 60px;
            }

            .dock-menu {
                display: none;
            }

            .dock-actions .btn-primary {
                display: none;
            }

            .dock-actions .icon-btn {
                display: none;
            }

            .hamburger {
                display: flex;
                margin-left: auto;
            }

            .category-hero {
                padding-top: 6.5rem;
                padding-bottom: 3rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-bg: #F5F9FE;
            --color-surface: #FFFFFF;
            --color-primary: #2E6FBF;
            --color-primary-deep: #1F5298;
            --color-primary-soft: #EAF2FC;
            --color-accent: #F97316;
            --color-text: #14273E;
            --color-text-secondary: #516A85;
            --color-text-muted: #7C91A7;
            --color-line: #D8E5F2;
            --color-footer: #0D2137;
            --color-live: #EF4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(20, 60, 120, 0.08);
            --shadow-card-hover: 0 16px 40px rgba(20, 60, 120, 0.14);
            --transition: all 0.25s ease-out;
            --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, Menlo, monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg {
            display: block;
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container {
            max-width: 80rem;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .section {
            padding: 72px 0;
        }

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
        }

        .section-header {
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: clamp(1.375rem, 2.5vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-primary);
            color: #ffffff;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-deep);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(30, 80, 160, 0.2);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-primary-soft);
            color: var(--color-primary-deep);
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: #dae9fa;
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1.0625rem;
            border-radius: 14px;
        }

        /* ── 浮动 Dock 导航 ── */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 24px);
            max-width: 64rem;
            height: 64px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.85);
            -webkit-backdrop-filter: blur(12px);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(216, 229, 242, 0.9);
            box-shadow: 0 8px 32px rgba(20, 60, 120, 0.1);
        }

        @media (max-width: 767px) {
            .dock-nav {
                border-radius: 20px;
                top: 12px;
            }
        }

        .dock-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            padding: 0 8px 0 16px;
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .dock-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .dock-logo-text {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }

        .dock-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 12px;
        }

        .dock-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
        }

        .dock-link:hover {
            color: var(--color-primary);
            background: rgba(234, 242, 252, 0.7);
        }

        .dock-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
            font-weight: 600;
        }

        .dock-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }

        .icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-pill);
            color: var(--color-text-secondary);
            background: transparent;
            transition: var(--transition);
        }

        .icon-btn:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover {
            background: var(--color-primary-soft);
        }

        @media (max-width: 1023px) {
            .dock-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        @media (max-width: 767px) {
            .dock-actions .btn-primary {
                display: none;
            }
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 88px;
            left: 12px;
            right: 12px;
            z-index: 99;
            background: rgba(255, 255, 255, 0.98);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid var(--color-line);
            border-radius: 20px;
            padding: 20px;
            box-shadow: var(--shadow-card-hover);
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer a {
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: var(--transition);
        }

        .mobile-drawer a:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .mobile-drawer a.active {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-drawer .btn-primary {
            margin-top: 14px;
            width: 100%;
        }

        body.no-scroll {
            overflow: hidden;
        }

        /* ── 分类 Hero ── */
        .category-hero {
            position: relative;
            padding: 120px 0 60px;
            overflow: hidden;
        }

        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            z-index: 0;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(245, 249, 254, 0.92) 0%, rgba(245, 249, 254, 0.65) 60%, var(--color-bg) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }

        .hero-badge::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
        }

        .category-hero-content h1 {
            font-size: clamp(1.875rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .hero-sub {
            font-size: 1.0625rem;
            color: var(--color-text-secondary);
            max-width: 480px;
            margin: 0 auto 32px;
        }

        .hero-meta-stats {
            display: inline-flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 14px 24px;
            min-width: 130px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .hero-stat strong {
            display: block;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            font-family: var(--font-num);
            line-height: 1.3;
        }

        .hero-stat span {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        /* ── 垂直时间线 ── */
        .timeline-section {
            background: var(--color-surface);
        }

        .timeline {
            position: relative;
            max-width: 920px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, transparent, var(--color-primary) 80px, var(--color-primary) calc(100% - 80px), transparent);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 0 44px 40px 0;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding: 0 0 40px 44px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-marker {
            position: absolute;
            right: -10px;
            top: 4px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-surface);
            border: 4px solid var(--color-primary);
            box-shadow: 0 0 0 4px rgba(46, 111, 191, 0.12);
            z-index: 2;
        }

        .timeline-item:nth-child(even) .timeline-marker {
            right: auto;
            left: -10px;
        }

        .timeline-card {
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #fff;
            font-family: var(--font-num);
            font-size: 0.8125rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .timeline-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .timeline::before {
                left: 10px;
                transform: none;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding: 0 0 28px 40px;
            }
            .timeline-marker,
            .timeline-item:nth-child(even) .timeline-marker {
                left: 1px;
                right: auto;
            }
        }

        /* ── 横向资源条 ── */
        .resource-strip-section {
            background: var(--color-bg);
        }

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

        .resource-card {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .resource-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
        }

        .resource-cover {
            position: relative;
            display: block;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--color-primary-soft);
        }

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

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

        .resource-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(13, 33, 55, 0.3));
            pointer-events: none;
        }

        .duration-badge {
            position: absolute;
            right: 10px;
            bottom: 10px;
            z-index: 2;
            background: rgba(13, 33, 55, 0.78);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            -webkit-backdrop-filter: blur(4px);
            backdrop-filter: blur(4px);
        }

        .hot-badge {
            position: absolute;
            left: 10px;
            top: 10px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        .hot-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #fff;
        }

        .resource-body {
            padding: 16px 18px 18px;
        }

        .resource-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .resource-body h3 a:hover {
            color: var(--color-primary);
        }

        .resource-meta {
            font-size: 0.8125rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 1023px) {
            .resource-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 519px) {
            .resource-strip {
                grid-template-columns: 1fr;
            }
        }

        /* ── 回放特色 ── */
        .features-section {
            background: var(--color-surface);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            background: var(--color-bg);
            border: 1px solid var(--color-line);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            border-radius: 12px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }

        .feature-item h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .feature-item p {
            font-size: 0.9063rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .faq-list {
            max-width: 48rem;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-line);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--color-text);
            list-style: none;
            transition: var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--color-primary);
            line-height: 1;
            transition: transform 0.3s ease-out;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9375rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ── CTA ── */
        .cta-section {
            background: var(--color-surface);
        }

        .cta-card {
            max-width: 56rem;
            margin: 0 auto;
            background: var(--color-primary-soft);
            border: 1px solid rgba(46, 111, 191, 0.15);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
        }

        .cta-card h2 {
            font-size: clamp(1.375rem, 2.5vw, 1.875rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }

        /* ── 页脚 ── */
        .footer {
            background: var(--color-footer);
            color: #A7C0DA;
            padding-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            padding-bottom: 32px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            color: #7C91A7;
            line-height: 1.6;
        }

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

        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: #8FA7BF;
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            font-size: 0.8125rem;
            color: #64809C;
        }

        .footer-bottom a {
            color: #8FA7BF;
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: #ffffff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-bottom {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .footer-links {
                grid-template-columns: 1fr;
            }
        }