/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --bg-primary: #080c14;
            --bg-secondary: #0d1220;
            --bg-tertiary: #111827;
            --bg-card: #151b2b;
            --bg-card-hover: #1a2236;
            --bg-elevated: #1c2438;
            --accent: #ff5c28;
            --accent-hover: #ff4710;
            --accent-glow: rgba(255, 92, 40, 0.25);
            --accent-soft: rgba(255, 92, 40, 0.10);
            --gold: #e8b830;
            --gold-soft: rgba(232, 184, 48, 0.12);
            --text-primary: #f0f2f5;
            --text-secondary: #bcc4d0;
            --text-muted: #6e7687;
            --text-inverse: #0a0c14;
            --border-subtle: rgba(255, 255, 255, 0.06);
            --border-default: rgba(255, 255, 255, 0.10);
            --border-strong: rgba(255, 255, 255, 0.16);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.50);
            --shadow-glow: 0 0 40px rgba(255, 92, 40, 0.20);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1260px;
            --nav-height: 72px;
        }

        /* ============ 基础重置 ============ */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.65;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.25;
            font-weight: 700;
        }
        ::selection {
            background: var(--accent);
            color: #fff;
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ============ 头部导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(8, 12, 20, 0.82);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: rgba(8, 12, 20, 0.94);
            border-bottom: 1px solid var(--border-default);
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 32px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-xs);
            background: linear-gradient(135deg, var(--accent), #e0441a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 800;
            box-shadow: 0 0 18px var(--accent-glow);
        }
        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-links a.active {
            color: #fff;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent-glow);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: 50px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-xs);
            color: var(--text-primary);
            font-size: 1.4rem;
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(8, 12, 20, 0.96);
            backdrop-filter: blur(12px);
            z-index: 999;
            flex-direction: column;
            padding: 24px 20px;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.open {
            display: flex;
        }
        .mobile-nav-overlay a {
            display: block;
            padding: 14px 18px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .mobile-nav-overlay a.active {
            color: var(--accent);
            font-weight: 600;
        }
        @media (max-width: 860px) {
            .nav-links { display: none; }
            .nav-cta-btn.desktop-only { display: none; }
            .mobile-menu-toggle { display: flex; }
        }
        @media (min-width: 861px) {
            .mobile-menu-toggle { display: none; }
            .mobile-nav-overlay { display: none !important; }
        }

        /* ============ 首屏 Hero ============ */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: var(--bg-primary);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.38;
            filter: brightness(0.6) saturate(1.1);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 55% 40%, rgba(255, 92, 40, 0.10) 0%, transparent 60%),
                        radial-gradient(ellipse at 30% 70%, rgba(232, 184, 48, 0.06) 0%, transparent 55%),
                        linear-gradient(180deg, rgba(8, 12, 20, 0.3) 0%, rgba(8, 12, 20, 0.85) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 40px 0 60px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            border: 1px solid rgba(255, 92, 40, 0.22);
            border-radius: 50px;
            margin-bottom: 24px;
            letter-spacing: 0.035em;
            animation: fadeInUp 0.7s ease forwards;
        }
        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff3b3b;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.45; transform: scale(1.6); }
        }
        .hero-title {
            font-size: clamp(2.6rem, 5.5vw, 4rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.12;
            letter-spacing: -0.025em;
            margin-bottom: 20px;
            animation: fadeInUp 0.7s 0.1s ease forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent), #ff8a5c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.18rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 560px;
            animation: fadeInUp 0.7s 0.2s ease forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            animation: fadeInUp 0.7s 0.3s ease forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(28px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px var(--accent-glow);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 28px rgba(255, 92, 40, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid var(--border-strong);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.30);
            transform: translateY(-2px);
            color: #fff;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid var(--border-subtle);
            animation: fadeInUp 0.7s 0.4s ease forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.015em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto;
        }
        .bg-alt {
            background: var(--bg-secondary);
        }

        /* ============ 分类入口卡片 ============ */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 22px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition);
            cursor: pointer;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }
        .category-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .category-card-img {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(0deg, rgba(8, 12, 20, 0.92) 20%, rgba(8, 12, 20, 0.25) 70%, rgba(8, 12, 20, 0.05) 100%);
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
        }
        .category-card-tag {
            display: inline-block;
            padding: 5px 12px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            background: var(--accent);
            color: #fff;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        .category-card-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .category-card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ============ CMS 内容列表 ============ */
        .content-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
        }
        .content-card {
            display: flex;
            gap: 18px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            transition: all var(--transition);
            cursor: pointer;
        }
        .content-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-default);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .content-card-thumb {
            width: 90px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-tertiary);
        }
        .content-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .content-card-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            min-width: 0;
        }
        .content-card-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .content-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }

        /* ============ 数据亮点板块 ============ */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .highlight-card {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            transition: all var(--transition);
        }
        .highlight-card:hover {
            border-color: var(--border-default);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .highlight-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .highlight-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }
        .highlight-label {
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        @media (max-width: 900px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .content-list {
                grid-template-columns: 1fr;
            }
        }

        /* ============ 流程 / 时间线板块 ============ */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-default);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding: 20px 0 20px 32px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .timeline-item:hover {
            background: rgba(255, 255, 255, 0.015);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 26px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px var(--border-default);
            z-index: 2;
        }
        .timeline-item-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .timeline-item-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* ============ FAQ 板块 ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-default);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background var(--transition-fast);
            background: transparent;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            position: relative;
            background: var(--bg-secondary);
            overflow: hidden;
            text-align: center;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.12;
            filter: brightness(0.5);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 620px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .cta-title {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.015em;
        }
        .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 32px;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 36px;
        }
        .footer-brand {
            max-width: 280px;
        }
        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .footer-logo span {
            color: var(--accent);
        }
        .footer-brand-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-links-group {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }
        .footer-link-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .footer-link-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-link-col a:hover {
            color: var(--text-primary);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-list {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
            .hero-content {
                max-width: 100%;
            }
            .hero-stats-row {
                gap: 22px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .content-card {
                flex-direction: column;
            }
            .content-card-thumb {
                width: 100%;
                height: 160px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 28px;
            }
            .footer-links-group {
                gap: 28px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.88rem;
            }
            .timeline-list {
                padding-left: 28px;
            }
            .timeline-item {
                padding: 16px 0 16px 24px;
            }
            .timeline-item::before {
                left: -21px;
                width: 11px;
                height: 11px;
                top: 22px;
            }
            .timeline-list::before {
                left: 13px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .content-list {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ============ 工具类 ============ */
        .text-accent { color: var(--accent); }
        .text-gold { color: var(--gold); }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* roulang page: article */
:root {
            --primary: #0c1222;
            --primary-light: #161f33;
            --accent: #ff4d2d;
            --accent-hover: #e63e1f;
            --accent-soft: rgba(255,77,45,0.08);
            --gold: #f5a623;
            --gold-soft: rgba(245,166,35,0.12);
            --bg: #f5f6fa;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #6b7280;
            --text-muted: #9ca3af;
            --border: #e5e7eb;
            --border-light: #f0f0f5;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-heading: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --font-body: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25,0.8,0.25,1.2);
            --max-width: 1240px;
            --content-width: 820px;
            --sidebar-width: 360px;
            --nav-height: 72px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{
            font-family:var(--font-body);
            font-size:16px;
            line-height:1.7;
            color:var(--text);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
        }
        img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm)}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button{cursor:pointer;border:none;background:none;font-family:inherit}
        input,textarea{font-family:inherit;font-size:16px}
        ul,ol{list-style:none}

        .container{max-width:var(--max-width);margin:0 auto;padding:0 28px}

        /* Header */
        .site-header{
            position:sticky;top:0;z-index:1000;
            background:var(--primary);
            border-bottom:1px solid rgba(255,255,255,0.06);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            transition:box-shadow var(--transition-normal);
        }
        .site-header.scrolled{box-shadow:var(--shadow-lg)}
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            height:var(--nav-height);gap:32px;
        }
        .logo-wrap{
            display:flex;align-items:center;gap:10px;flex-shrink:0;
            transition:opacity var(--transition-fast);
        }
        .logo-wrap:hover{opacity:0.85}
        .logo-icon{
            width:40px;height:40px;border-radius:var(--radius-xs);
            background:var(--accent);color:#fff;
            display:flex;align-items:center;justify-content:center;
            font-size:18px;flex-shrink:0;
            box-shadow:0 4px 14px rgba(255,77,45,0.35);
        }
        .logo-text{
            font-family:var(--font-heading);font-weight:700;font-size:20px;
            color:#fff;letter-spacing:-0.3px;white-space:nowrap;
        }
        .logo-text span{color:var(--accent);font-weight:600}
        .nav-links{display:flex;align-items:center;gap:36px}
        .nav-links a{
            font-size:15px;font-weight:500;color:rgba(255,255,255,0.78);
            padding:6px 0;position:relative;transition:color var(--transition-fast);
            letter-spacing:0.2px;
        }
        .nav-links a::after{
            content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
            background:var(--accent);border-radius:2px;
            transition:width var(--transition-normal);
        }
        .nav-links a:hover{color:#fff}
        .nav-links a:hover::after{width:100%}
        .nav-links a.active{color:#fff;font-weight:600}
        .nav-links a.active::after{width:100%}
        .nav-cta-btn{
            display:inline-flex;align-items:center;gap:7px;
            padding:11px 22px;border-radius:50px;
            background:var(--accent);color:#fff;
            font-size:14px;font-weight:600;letter-spacing:0.3px;
            transition:all var(--transition-normal);
            box-shadow:0 4px 16px rgba(255,77,45,0.3);
            white-space:nowrap;flex-shrink:0;
        }
        .nav-cta-btn:hover{background:var(--accent-hover);box-shadow:0 6px 22px rgba(255,77,45,0.45);transform:translateY(-1px)}
        .mobile-menu-toggle{display:none;color:#fff;font-size:24px;padding:8px}
        .mobile-nav-overlay{
            display:none;position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;
            background:var(--primary);z-index:999;flex-direction:column;gap:6px;
            padding:24px 28px;overflow-y:auto;
        }
        .mobile-nav-overlay.active{display:flex}
        .mobile-nav-overlay a{
            display:block;padding:15px 20px;border-radius:var(--radius-sm);
            color:rgba(255,255,255,0.82);font-size:16px;font-weight:500;
            transition:all var(--transition-fast);
        }
        .mobile-nav-overlay a:hover,.mobile-nav-overlay a.active{
            background:rgba(255,255,255,0.06);color:#fff;
        }
        .desktop-only{display:flex}

        /* Article Banner */
        .article-banner{
            position:relative;padding:60px 0 50px;
            background:var(--primary-light);
            background-image:url('/assets/images/backpic/back-1.png');
            background-size:cover;background-position:center;
            overflow:hidden;
        }
        .article-banner::before{
            content:'';position:absolute;inset:0;
            background:linear-gradient(180deg,rgba(12,18,34,0.82) 0%,rgba(12,18,34,0.92) 100%);
            z-index:1;
        }
        .article-banner .container{position:relative;z-index:2}
        .breadcrumb{
            display:flex;align-items:center;gap:8px;flex-wrap:wrap;
            font-size:13px;color:rgba(255,255,255,0.65);margin-bottom:18px;
        }
        .breadcrumb a{color:rgba(255,255,255,0.8);transition:color var(--transition-fast)}
        .breadcrumb a:hover{color:#fff}
        .breadcrumb .sep{color:rgba(255,255,255,0.4);font-size:11px}
        .breadcrumb .current{color:var(--accent);font-weight:500}
        .article-banner-meta{
            display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:14px;
        }
        .article-cat-tag{
            display:inline-flex;align-items:center;gap:5px;
            padding:7px 15px;border-radius:50px;
            background:var(--accent);color:#fff;
            font-size:13px;font-weight:600;letter-spacing:0.4px;
            transition:all var(--transition-fast);
        }
        .article-cat-tag:hover{background:var(--accent-hover);transform:translateY(-1px)}
        .article-time{
            font-size:13px;color:rgba(255,255,255,0.6);
            display:flex;align-items:center;gap:5px;
        }
        .article-banner h1{
            font-family:var(--font-heading);font-size:clamp(24px,3.2vw,38px);
            font-weight:700;color:#fff;line-height:1.35;letter-spacing:-0.4px;
            max-width:780px;
        }

        /* Main Layout */
        .article-main{padding:50px 0 60px}
        .article-layout{display:flex;gap:40px;align-items:flex-start}
        .article-content-area{flex:1;min-width:0;max-width:var(--content-width)}
        .article-sidebar{width:var(--sidebar-width);flex-shrink:0;position:sticky;top:calc(var(--nav-height) + 30px)}
        .article-card{
            background:var(--card-bg);border-radius:var(--radius-lg);
            box-shadow:var(--shadow-md);padding:40px 44px;
            border:1px solid var(--border-light);
        }
        .article-featured-image{
            border-radius:var(--radius-md);overflow:hidden;margin-bottom:30px;
            box-shadow:var(--shadow-sm);
        }
        .article-featured-image img{width:100%;border-radius:var(--radius-md)}
        .article-body{
            font-size:16px;line-height:1.85;color:var(--text);
            word-break:break-word;
        }
        .article-body h2{
            font-family:var(--font-heading);font-size:22px;font-weight:700;
            margin:32px 0 14px;color:var(--primary);letter-spacing:-0.2px;
        }
        .article-body h3{
            font-family:var(--font-heading);font-size:18px;font-weight:600;
            margin:24px 0 10px;color:var(--text);
        }
        .article-body p{margin-bottom:16px}
        .article-body ul,.article-body ol{margin:12px 0 16px 20px}
        .article-body li{margin-bottom:6px;list-style-type:disc}
        .article-body ol li{list-style-type:decimal}
        .article-body blockquote{
            border-left:4px solid var(--accent);padding:14px 20px;
            margin:20px 0;background:var(--accent-soft);
            border-radius:0 var(--radius-sm) var(--radius-sm) 0;
            color:var(--text-secondary);font-style:italic;
        }
        .article-body img{border-radius:var(--radius-sm);margin:18px 0}
        .article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
        .article-body a:hover{color:var(--accent-hover)}
        .article-body strong{font-weight:600;color:var(--primary)}

        /* Article Footer */
        .article-footer-meta{
            display:flex;align-items:center;justify-content:space-between;
            flex-wrap:wrap;gap:16px;margin-top:36px;padding-top:24px;
            border-top:1px solid var(--border-light);
        }
        .article-share{display:flex;align-items:center;gap:10px}
        .article-share span{font-size:13px;color:var(--text-muted);font-weight:500}
        .share-btn{
            width:36px;height:36px;border-radius:50%;
            display:flex;align-items:center;justify-content:center;
            background:var(--bg);color:var(--text-secondary);
            transition:all var(--transition-fast);font-size:14px;
        }
        .share-btn:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,77,45,0.3)}

        /* Sidebar */
        .sidebar-card{
            background:var(--card-bg);border-radius:var(--radius-md);
            box-shadow:var(--shadow-sm);padding:26px;margin-bottom:24px;
            border:1px solid var(--border-light);
        }
        .sidebar-card h4{
            font-family:var(--font-heading);font-size:17px;font-weight:700;
            color:var(--primary);margin-bottom:18px;letter-spacing:-0.2px;
            position:relative;padding-left:14px;
        }
        .sidebar-card h4::before{
            content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
            width:4px;height:18px;border-radius:3px;background:var(--accent);
        }
        .sidebar-post-item{
            display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-light);
            transition:all var(--transition-fast);
        }
        .sidebar-post-item:last-child{border-bottom:none;padding-bottom:0}
        .sidebar-post-item:hover{transform:translateX(3px)}
        .sidebar-post-thumb{
            width:70px;height:56px;border-radius:var(--radius-xs);
            object-fit:cover;flex-shrink:0;background:var(--bg);
        }
        .sidebar-post-info{flex:1;min-width:0}
        .sidebar-post-info .sp-title{
            font-size:13px;font-weight:600;color:var(--text);
            line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;
            -webkit-box-orient:vertical;overflow:hidden;
            transition:color var(--transition-fast);
        }
        .sidebar-post-item:hover .sp-title{color:var(--accent)}
        .sidebar-post-info .sp-date{font-size:11px;color:var(--text-muted);margin-top:4px}
        .sidebar-tags{display:flex;flex-wrap:wrap;gap:8px}
        .sidebar-tag{
            padding:6px 13px;border-radius:50px;font-size:12px;font-weight:500;
            background:var(--bg);color:var(--text-secondary);
            transition:all var(--transition-fast);border:1px solid transparent;
        }
        .sidebar-tag:hover{background:var(--accent-soft);color:var(--accent);border-color:var(--accent)}

        /* Live indicator */
        .live-pulse{
            display:inline-flex;align-items:center;gap:6px;
            padding:8px 16px;border-radius:50px;
            background:rgba(255,77,45,0.1);color:var(--accent);
            font-size:12px;font-weight:600;letter-spacing:0.5px;
        }
        .live-dot{
            width:8px;height:8px;border-radius:50%;background:var(--accent);
            animation:pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.4;transform:scale(1.6)}}

        /* Not Found State */
        .not-found-state{text-align:center;padding:60px 30px}
        .not-found-state .nf-icon{
            font-size:64px;color:var(--text-muted);margin-bottom:20px;opacity:0.6;
        }
        .not-found-state h2{font-size:26px;font-weight:700;color:var(--primary);margin-bottom:10px}
        .not-found-state p{color:var(--text-secondary);margin-bottom:24px;font-size:15px}
        .btn-back{
            display:inline-flex;align-items:center;gap:8px;
            padding:13px 28px;border-radius:50px;
            background:var(--accent);color:#fff;font-weight:600;font-size:15px;
            transition:all var(--transition-normal);
            box-shadow:0 4px 16px rgba(255,77,45,0.3);
        }
        .btn-back:hover{background:var(--accent-hover);box-shadow:0 8px 26px rgba(255,77,45,0.4);transform:translateY(-2px)}

        /* CTA Section */
        .cta-section{
            background:var(--primary);padding:56px 0;text-align:center;
            background-image:url('/assets/images/backpic/back-2.png');
            background-size:cover;background-position:center;
            position:relative;
        }
        .cta-section::before{
            content:'';position:absolute;inset:0;
            background:linear-gradient(135deg,rgba(12,18,34,0.9) 0%,rgba(22,31,51,0.85) 100%);
            z-index:1;
        }
        .cta-section .container{position:relative;z-index:2}
        .cta-section h2{
            font-family:var(--font-heading);font-size:clamp(22px,2.5vw,32px);
            font-weight:700;color:#fff;margin-bottom:12px;letter-spacing:-0.3px;
        }
        .cta-section p{color:rgba(255,255,255,0.7);font-size:16px;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
        .btn-cta-lg{
            display:inline-flex;align-items:center;gap:8px;
            padding:15px 36px;border-radius:50px;
            background:var(--accent);color:#fff;font-weight:700;font-size:16px;
            transition:all var(--transition-normal);
            box-shadow:0 6px 28px rgba(255,77,45,0.4);
            letter-spacing:0.3px;
        }
        .btn-cta-lg:hover{background:var(--accent-hover);box-shadow:0 10px 36px rgba(255,77,45,0.55);transform:translateY(-2px)}

        /* Footer */
        .site-footer{
            background:var(--primary);border-top:1px solid rgba(255,255,255,0.06);
            padding:50px 0 28px;color:rgba(255,255,255,0.7);
        }
        .footer-inner{display:flex;gap:48px;flex-wrap:wrap;justify-content:space-between;margin-bottom:36px}
        .footer-brand{max-width:320px}
        .footer-logo{font-family:var(--font-heading);font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}
        .footer-logo span{color:var(--accent)}
        .footer-brand-desc{font-size:13px;line-height:1.7;color:rgba(255,255,255,0.55)}
        .footer-links-group{display:flex;gap:48px;flex-wrap:wrap}
        .footer-link-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:0.3px}
        .footer-link-col a{display:block;font-size:13px;color:rgba(255,255,255,0.55);padding:5px 0;transition:color var(--transition-fast)}
        .footer-link-col a:hover{color:var(--accent)}
        .footer-bottom{padding-top:22px;border-top:1px solid rgba(255,255,255,0.08);text-align:center}
        .footer-bottom p{font-size:12px;color:rgba(255,255,255,0.4)}

        /* Responsive */
        @media (max-width:1100px){
            .article-layout{flex-direction:column}
            .article-content-area{max-width:100%}
            .article-sidebar{width:100%;position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}
            .sidebar-card{margin-bottom:0}
        }
        @media (max-width:768px){
            .container{padding:0 18px}
            .desktop-only{display:none}
            .mobile-menu-toggle{display:block}
            .nav-links{display:none}
            .header-inner{gap:16px}
            .article-banner{padding:40px 0 34px}
            .article-card{padding:24px 20px;border-radius:var(--radius-md)}
            .article-featured-image{margin-bottom:20px}
            .article-body{font-size:15px;line-height:1.78}
            .article-body h2{font-size:19px;margin:24px 0 10px}
            .article-footer-meta{flex-direction:column;align-items:flex-start}
            .article-sidebar{grid-template-columns:1fr}
            .footer-inner{flex-direction:column;gap:32px}
            .footer-links-group{gap:28px}
            .cta-section{padding:40px 0}
            .cta-section h2{font-size:20px}
        }
        @media (max-width:520px){
            .logo-text{font-size:17px}
            .logo-icon{width:34px;height:34px;font-size:15px}
            .article-banner h1{font-size:20px}
            .article-card{padding:18px 14px}
            .article-body{font-size:14px}
            .breadcrumb{font-size:12px;gap:5px}
            .article-cat-tag{font-size:11px;padding:5px 11px}
            .article-banner-meta{gap:10px}
        }

/* roulang page: category1 */
/* ==================== 设计变量 ==================== */
        :root {
            --primary: #0a0a14;
            --primary-surface: #111122;
            --surface: #181830;
            --surface-elevated: #1e1e3a;
            --surface-highlight: #252545;
            --accent: #ff3b2f;
            --accent-glow: #ff5e4d;
            --accent2: #ff9f0a;
            --accent2-glow: #ffb840;
            --accent3: #0af0ff;
            --accent3-glow: #5cf7ff;
            --text: #eaeaf2;
            --text-secondary: #b0b5cc;
            --text-muted: #7a7f9a;
            --text-inverse: #0a0a14;
            --border: #282845;
            --border-light: #353560;
            --border-glow: rgba(255, 59, 47, 0.25);
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.55);
            --shadow-glow: 0 0 30px rgba(255, 59, 47, 0.18);
            --shadow-glow2: 0 0 24px rgba(255, 159, 10, 0.14);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
            --header-height: 72px;
            --container-max: 1260px;
            --container-narrow: 960px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        /* ==================== 基础 Reset ==================== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background: var(--primary);
            color: var(--text);
            line-height: 1.65;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }
        h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.1rem; }

        /* ==================== 容器 ==================== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ==================== 通用工具类 ==================== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            display: block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent-glow);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 6px var(--accent-glow); }
            50% { box-shadow: 0 0 18px var(--accent-glow), 0 0 30px rgba(255,59,47,0.35); }
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin: 0 auto;
        }

        /* ==================== 站点 Header ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 20, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 10, 20, 0.96);
            border-bottom-color: var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            height: 100%;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .logo-wrap:hover {
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 0 16px rgba(255, 59, 47, 0.35);
        }
        .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
        }
        .logo-text span {
            color: var(--accent);
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-links a.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(255, 59, 47, 0.08);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 8px var(--accent-glow);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(255, 59, 47, 0.3);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--accent-glow);
            box-shadow: 0 6px 24px rgba(255, 59, 47, 0.45);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text);
            border: 1px solid var(--border);
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .mobile-menu-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 10, 20, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.active {
            display: flex;
        }
        .mobile-nav-overlay a {
            display: block;
            padding: 14px 20px;
            border-radius: var(--radius);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: var(--accent);
            background: rgba(255, 59, 47, 0.06);
        }
        .desktop-only { display: flex; }
        @media (max-width: 768px) {
            .desktop-only { display: none; }
            .mobile-menu-toggle { display: flex; }
            .nav-links { display: none; }
            .nav-cta-btn.desktop-only { display: none; }
            .site-header { height: 60px; }
            :root { --header-height: 60px; }
            .logo-text { font-size: 1.05rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 0.85rem; }
        }

        /* ==================== 分类页 Hero Banner ==================== */
        .category-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary-surface);
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 59, 47, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 40%, rgba(255, 159, 10, 0.06) 0%, transparent 55%),
                        linear-gradient(180deg, rgba(10,10,20,0.4) 0%, var(--primary-surface) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero-content {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .category-hero .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 59, 47, 0.12);
            border: 1px solid rgba(255, 59, 47, 0.25);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .category-hero .category-badge i {
            font-size: 0.75rem;
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #fff 20%, var(--accent2) 60%, var(--accent) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .category-hero .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent2);
            letter-spacing: -0.02em;
            font-family: var(--font-mono);
        }
        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .category-hero { padding: 50px 0 44px; }
            .category-hero h1 { font-size: 2rem; }
            .category-hero .hero-desc { font-size: 0.95rem; }
            .hero-stat-item .stat-number { font-size: 1.5rem; }
            .hero-stats-row { gap: 20px; }
        }

        /* ==================== 赛事筛选标签栏 ==================== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
            position: sticky;
            top: var(--header-height);
            z-index: 50;
            background: rgba(10, 10, 20, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-tag {
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            background: transparent;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--text);
            background: rgba(255, 59, 47, 0.05);
        }
        .filter-tag.active {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(255, 59, 47, 0.3);
        }
        .filter-tag .count {
            font-size: 0.75rem;
            opacity: 0.7;
            margin-left: 4px;
        }
        @media (max-width: 520px) {
            .filter-bar { gap: 6px; padding: 16px 0; }
            .filter-tag { padding: 6px 12px; font-size: 0.8rem; }
        }

        /* ==================== 赛事卡片网格 ==================== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .event-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-slow);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow), var(--shadow-lg);
            transform: translateY(-3px);
        }
        .event-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--surface-elevated);
        }
        .event-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .event-card:hover .event-card-image img {
            transform: scale(1.06);
        }
        .event-card-image .status-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 2;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .status-badge.live {
            background: rgba(255, 59, 47, 0.9);
            color: #fff;
            animation: live-pulse 1.4s ease-in-out infinite;
        }
        @keyframes live-pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 59, 47, 0.7); }
            50% { box-shadow: 0 0 0 10px rgba(255, 59, 47, 0); }
        }
        .status-badge.upcoming {
            background: rgba(255, 159, 10, 0.9);
            color: #0a0a14;
        }
        .status-badge.ended {
            background: rgba(120, 125, 150, 0.8);
            color: #fff;
        }
        .event-card-image .category-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(10, 10, 20, 0.75);
            color: var(--accent3);
            border: 1px solid rgba(10, 240, 255, 0.3);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            z-index: 2;
        }
        .event-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card-body .event-time {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .event-card-body .event-time i {
            font-size: 0.7rem;
            color: var(--accent2);
        }
        .event-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition);
        }
        .event-card:hover .event-card-body h3 {
            color: var(--accent-glow);
        }
        .event-card-body .event-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .event-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .event-heat {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.82rem;
            color: var(--accent2);
            font-weight: 600;
        }
        .event-heat i {
            font-size: 0.7rem;
        }
        .event-link-btn {
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            border: 1px solid var(--border-glow);
            transition: all var(--transition);
            background: transparent;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .event-link-btn:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(255, 59, 47, 0.3);
        }
        .event-link-btn i {
            font-size: 0.7rem;
            transition: transform var(--transition);
        }
        .event-link-btn:hover i {
            transform: translateX(3px);
        }
        @media (max-width: 1024px) {
            .events-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
        }
        @media (max-width: 600px) {
            .events-grid { grid-template-columns: 1fr; gap: 16px; }
            .event-card-body { padding: 14px 16px 16px; }
            .event-card-body h3 { font-size: 1rem; }
        }

        /* ==================== 实时排行板块 ==================== */
        .ranking-section {
            background: var(--primary-surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .ranking-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .ranking-card h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ranking-card h3 i {
            color: var(--accent2);
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius);
            transition: all var(--transition);
            background: transparent;
            cursor: default;
        }
        .ranking-item:hover {
            background: var(--surface-highlight);
        }
        .ranking-item .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .ranking-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, #ffd700, #ffb800);
            color: #0a0a14;
            box-shadow: 0 0 12px rgba(255, 184, 0, 0.4);
        }
        .ranking-item:nth-child(2) .rank-num {
            background: linear-gradient(135deg, #c0c0c0, #a8a8b0);
            color: #0a0a14;
        }
        .ranking-item:nth-child(3) .rank-num {
            background: linear-gradient(135deg, #cd7f32, #b8702a);
            color: #fff;
        }
        .ranking-item .rank-num.default-rank {
            background: var(--surface-highlight);
            color: var(--text-muted);
        }
        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-item .rank-name {
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-item .rank-sub {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .ranking-item .rank-value {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--accent2);
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        @media (max-width: 768px) {
            .ranking-grid { grid-template-columns: 1fr; gap: 20px; }
            .ranking-card { padding: 20px; }
        }

        /* ==================== 订阅 CTA 板块 ==================== */
        .cta-section {
            position: relative;
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            margin: 0 24px;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 48px 48px;
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 59, 47, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-text {
            flex: 1;
            position: relative;
            z-index: 1;
        }
        .cta-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            min-width: 320px;
        }
        .cta-form input {
            flex: 1;
            padding: 13px 18px;
            border-radius: var(--radius-full);
            background: var(--primary);
            border: 1px solid var(--border-light);
            color: var(--text);
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 59, 47, 0.1);
        }
        .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .cta-form button {
            padding: 13px 28px;
            border-radius: var(--radius-full);
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(255, 59, 47, 0.3);
            cursor: pointer;
        }
        .cta-form button:hover {
            background: var(--accent-glow);
            box-shadow: 0 6px 24px rgba(255, 59, 47, 0.45);
            transform: translateY(-1px);
        }
        @media (max-width: 768px) {
            .cta-section { margin: 0 16px; border-radius: var(--radius-lg); }
            .cta-inner { flex-direction: column; padding: 32px 24px; gap: 24px; text-align: center; }
            .cta-form { min-width: auto; width: 100%; flex-direction: column; }
            .cta-text h3 { font-size: 1.4rem; }
        }

        /* ==================== FAQ 板块 ==================== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--surface);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text);
            transition: color var(--transition);
            background: transparent;
            border: none;
        }
        .faq-question:hover {
            color: var(--accent-glow);
        }
        .faq-question i {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background: var(--primary-surface);
            border-top: 1px solid var(--border);
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-inner {
            display: flex;
            justify-content: space-between;
            gap: 48px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .footer-brand {
            max-width: 320px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text);
        }
        .footer-logo span {
            color: var(--accent);
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-links-group {
            display: flex;
            gap: 56px;
        }
        .footer-link-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text);
            margin-bottom: 14px;
        }
        .footer-link-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-link-col a:hover {
            color: var(--accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .footer-inner { flex-direction: column; gap: 32px; }
            .footer-brand { max-width: 100%; }
            .footer-links-group { gap: 32px; flex-wrap: wrap; }
            .site-footer { padding: 36px 0 20px; margin-top: 48px; }
        }

        /* ==================== 响应式补充 ==================== */
        @media (max-width: 520px) {
            .section-title { font-size: 1.5rem; }
            .section { padding: 48px 0; }
            .section-subtitle { font-size: 0.9rem; }
            .ranking-item { padding: 8px 10px; }
            .ranking-item .rank-name { font-size: 0.85rem; }
            .faq-question { padding: 14px 16px; font-size: 0.9rem; }
            .faq-answer { padding: 0 16px; }
            .faq-item.open .faq-answer { padding: 0 16px 14px; }
        }

        /* 全局 focus 可访问性 */
        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .filter-tag:focus-visible, .event-link-btn:focus-visible, .nav-cta-btn:focus-visible {
            outline-offset: 2px;
        }