/* roulang page: index */
:root {
            --primary: #1a4b8c;
            --primary-light: #2d6cc0;
            --primary-dark: #0f3260;
            --accent: #e85d3f;
            --accent-light: #f09a77;
            --bg: #f5f7fa;
            --bg-dark: #0c1b2e;
            --text: #1e2a38;
            --text-light: #5a6b7f;
            --border: #e1e8f0;
            --radius-lg: 24px;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(15, 50, 96, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 50, 96, 0.14);
            --transition: 0.3s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
        img { max-width: 100%; display: block; }
        button { border: none; background: none; cursor: pointer; font-family: inherit; }
        input { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        ::selection { background: rgba(26, 75, 140, 0.15); color: var(--primary); }
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg); }
        ::-webkit-scrollbar-thumb { background: #b8c4d4; border-radius: 4px; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* ====== 浮动 Dock 导航 ====== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            padding: 20px 24px;
            pointer-events: none;
        }
        .nav-dock {
            max-width: 1100px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 20px;
            padding: 10px 22px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: space-between;
            pointer-events: auto;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .nav-dock:hover { box-shadow: var(--shadow-lg); }
        .nav-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .nav-brand i { color: var(--accent); font-size: 1.1rem; }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 9px 18px;
            border-radius: 12px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            transition: all 0.25s ease;
            position: relative;
        }
        .nav-links a:hover { background: rgba(26, 75, 140, 0.08); color: var(--primary); }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 75, 140, 0.3);
        }
        .nav-cta { display: flex; align-items: center; gap: 12px; }
        .nav-search {
            background: var(--bg);
            border-radius: 12px;
            padding: 7px 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--border);
            transition: all 0.25s ease;
        }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26, 75, 140, 0.1); }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.9rem;
            width: 110px;
            color: var(--text);
        }
        .nav-search input::placeholder { color: #a3b1c2; }
        .nav-search i { color: var(--text-light); font-size: 0.9rem; }
        .nav-toggle {
            display: none;
            font-size: 1.3rem;
            color: var(--primary);
            padding: 8px 10px;
            border-radius: 10px;
            background: rgba(26, 75, 140, 0.08);
            transition: all 0.25s ease;
        }
        .nav-toggle:hover { background: rgba(26, 75, 140, 0.15); }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(12, 27, 46, 0.97);
            z-index: 999;
            padding: 80px 30px 30px;
            flex-direction: column;
            align-items: center;
            gap: 25px;
            backdrop-filter: blur(10px);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: #fff;
            font-size: 1.25rem;
            padding: 10px 24px;
            border-radius: 14px;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .mobile-nav a:hover, .mobile-nav a.active { background: rgba(255, 255, 255, 0.1); color: var(--accent-light); }
        .mobile-nav .close-btn {
            position: absolute;
            top: 26px; right: 30px;
            color: #fff;
            font-size: 1.6rem;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            transition: all 0.25s ease;
        }
        .mobile-nav .close-btn:hover { background: rgba(255, 255, 255, 0.2); transform: rotate(90deg); }

        /* ====== Hero ====== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(12, 27, 46, 0.82) 0%, rgba(26, 75, 140, 0.68) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
            padding: 140px 24px 90px;
        }
        .hero-content { max-width: 860px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 100px;
            padding: 8px 22px;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            margin-bottom: 28px;
            backdrop-filter: blur(8px);
        }
        .hero-badge i { color: var(--accent-light); }
        .hero h1 {
            font-size: clamp(2.6rem, 6vw, 4.2rem);
            font-weight: 800;
            line-height: 1.12;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .hero h1 span {
            color: var(--accent-light);
            display: block;
            font-size: 0.55em;
            font-weight: 600;
            margin-top: 8px;
            letter-spacing: 0.06em;
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 38px;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }
        .hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 36px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 22px rgba(232, 93, 63, 0.35); }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(232, 93, 63, 0.5); }
        .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255, 255, 255, 0.5); }
        .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); transform: translateY(-3px); }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 50px;
            margin-top: 70px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }
        .hero-stat .num small { font-size: 1rem; font-weight: 400; color: rgba(255,255,255,0.6); }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ====== 板块 ====== */
        .section { padding: 90px 0; }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 660px;
            line-height: 1.7;
        }
        .section-head { margin-bottom: 48px; }

        /* ====== 核心说明 ====== */
        .about-section { background: #fff; border-top: 1px solid var(--border); }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .about-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .about-visual::after {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(12, 27, 46, 0.4) 100%);
        }
        .about-visual img { width: 100%; height: 100%; object-fit: cover; }
        .about-visual .experience-badge {
            position: absolute;
            bottom: 24px; left: 24px;
            color: #fff;
            z-index: 2;
        }
        .experience-badge .big { font-size: 2.2rem; font-weight: 800; }
        .experience-badge .small { font-size: 0.9rem; opacity: 0.8; }
        .about-text .section-title { margin-bottom: 20px; }
        .about-text p { color: var(--text-light); margin-bottom: 16px; line-height: 1.8; }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 28px;
        }
        .about-feature {
            display: flex;
            gap: 14px;
            padding: 18px;
            background: var(--bg);
            border-radius: 14px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        .about-feature:hover { border-color: var(--primary-light); box-shadow: var(--shadow); }
        .about-feature i { color: var(--primary); font-size: 1.2rem; margin-top: 2px; }
        .about-feature h4 { font-size: 0.95rem; margin-bottom: 4px; }
        .about-feature p { font-size: 0.83rem; color: var(--text-light); margin: 0; }

        /* ====== 分类入口 ====== */
        .category-section { background: var(--bg); }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 32px 28px;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
            display: block;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.35s ease;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card:hover::before { transform: scaleX(1); }
        .category-card .icon {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 22px;
            color: var(--primary);
            background: rgba(26, 75, 140, 0.08);
            transition: all 0.3s ease;
        }
        .category-card:hover .icon { background: var(--primary); color: #fff; }
        .category-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
        .category-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 18px; line-height: 1.7; }
        .category-card .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            background: rgba(26, 75, 140, 0.06);
            color: var(--primary);
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .category-card:hover .tag { background: rgba(26, 75, 140, 0.1); }
        .category-card .arrow {
            position: absolute;
            bottom: 28px; right: 28px;
            color: var(--border);
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }
        .category-card:hover .arrow { color: var(--accent); transform: translateX(4px); }

        /* ====== 最新资讯 ====== */
        .news-section { background: #fff; border-top: 1px solid var(--border); }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            display: flex;
            gap: 18px;
            padding: 18px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: rgba(26, 75, 140, 0.2);
        }
        .news-cover {
            width: 150px;
            height: 108px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-body { flex: 1; min-width: 0; }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .news-meta .cat {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-body h3 { font-size: 1rem; margin-bottom: 6px; line-height: 1.45; }
        .news-body h3 a:hover { color: var(--primary); }
        .news-body p {
            font-size: 0.84rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }
        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg);
            border-radius: var(--radius);
            color: var(--text-light);
            font-size: 1rem;
            border: 1px dashed var(--border);
        }

        /* ====== 数据统计 ====== */
        .stats-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #14324f 100%);
            color: #fff;
            padding: 80px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item { padding: 32px 16px; }
        .stat-item .icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--accent-light);
        }
        .stat-item .num { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; }
        .stat-item .label { color: rgba(255, 255, 255, 0.65); margin-top: 8px; font-size: 0.9rem; letter-spacing: 0.03em; }
        .stat-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.1); align-self: center; }

        /* ====== 热门推荐 ====== */
        .feature-section { background: var(--bg); }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .feature-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .feature-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .feature-card:hover .feature-cover img { transform: scale(1.06); }
        .feature-cover .badge {
            position: absolute;
            top: 14px; left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(232, 93, 63, 0.3);
        }
        .feature-cover .duration {
            position: absolute;
            bottom: 14px; right: 14px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 3px 10px;
            border-radius: 8px;
            font-size: 0.7rem;
            backdrop-filter: blur(6px);
        }
        .feature-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
        .feature-body h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.45; }
        .feature-body p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 14px; line-height: 1.65; flex: 1; }
        .feature-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .feature-meta i { margin-right: 4px; }
        .feature-meta .read-more { margin-left: auto; color: var(--primary); font-weight: 600; }
        .feature-meta .read-more:hover { color: var(--accent); }

        /* ====== FAQ ====== */
        .faq-section { background: #fff; border-top: 1px solid var(--border); }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .faq-item {
            padding: 28px 24px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        .faq-item:hover { border-color: rgba(26, 75, 140, 0.2); box-shadow: var(--shadow); }
        .faq-item h3 {
            font-size: 1rem;
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }
        .faq-item h3 i { color: var(--accent); font-size: 0.85rem; margin-top: 4px; }
        .faq-item p { font-size: 0.9rem; color: var(--text-light); line-height: 1.75; padding-left: 24px; }

        /* ====== CTA ====== */
        .cta-section {
            background: linear-gradient(135deg, rgba(26, 75, 140, 0.92) 0%, rgba(12, 27, 46, 0.92) 100%), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 18px; font-weight: 700; }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-light { background: #fff; color: var(--primary); box-shadow: 0 4px 18px rgba(0, 0, 0, 0.15); }
        .btn-light:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2); }

        /* ====== 页脚 ====== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.35rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand h3 i { color: var(--accent); }
        .footer-brand p { font-size: 0.9rem; max-width: 360px; line-height: 1.8; opacity: 0.75; }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: all 0.25s ease;
        }
        .footer-col ul a:hover { color: var(--accent-light); padding-left: 6px; }
        .footer-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .footer-tags a {
            background: rgba(255, 255, 255, 0.08);
            padding: 5px 12px;
            border-radius: 100px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.75);
            transition: all 0.25s ease;
        }
        .footer-tags a:hover { background: rgba(255, 255, 255, 0.18); color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ====== 响应式 ====== */
        @media (max-width: 1024px) {
            .about-grid { grid-template-columns: 1fr; gap: 48px; }
            .category-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .faq-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-toggle { display: block; }
            .nav-search { display: none; }
            .hero { min-height: auto; padding: 130px 24px 60px; }
            .hero h1 { font-size: 2.4rem; }
            .hero-stats { gap: 36px; margin-top: 50px; }
            .section { padding: 60px 0; }
            .category-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .about-features { grid-template-columns: 1fr; }
            .stats-grid { gap: 16px; }
            .stat-item { padding: 20px 12px; }
            .news-card { flex-direction: column; }
            .news-cover { width: 100%; height: 180px; }
        }
        @media (max-width: 520px) {
            .site-header { padding: 14px 16px; }
            .nav-dock { padding: 8px 16px; border-radius: 16px; }
            .nav-brand { font-size: 1rem; }
            .hero { padding: 120px 16px 50px; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-cta .btn { width: 100%; justify-content: center; }
            .hero-stats { flex-direction: column; gap: 20px; }
            .stats-grid { grid-template-columns: 1fr; }
            .section-title { font-size: 1.6rem; }
            .category-card { padding: 24px 20px; }
            .footer-bottom { font-size: 0.72rem; }
            .faq-item { padding: 20px 18px; }
        }

/* roulang page: article */
:root {
            --primary: #e84118;
            --primary-dark: #c73510;
            --primary-light: #ff6b4a;
            --secondary: #1e2a3a;
            --accent: #f4a261;
            --bg: #f7f8fc;
            --bg-card: #ffffff;
            --text: #1a1d26;
            --text-weak: #6b7280;
            --border: #e8eaf0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.13);
            --transition: all 0.3s ease;
            --nav-h: 76px;
            --spacing-section: 90px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        ul, ol { list-style: none; }

        .container, .grid-container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(232, 65, 24, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(232, 65, 24, 0.45);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible, .nav-links a:focus-visible, .nav-search input:focus-visible, .footer-tags a:focus-visible {
            outline: 3px solid rgba(232, 65, 24, 0.4);
            outline-offset: 2px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
        }
        .nav-dock {
            pointer-events: auto;
            max-width: 1160px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 60px;
            padding: 10px 22px 10px 18px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .nav-brand i {
            color: var(--primary);
            font-size: 22px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
        }
        .nav-links li { margin: 0; }
        .nav-links a {
            display: block;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--secondary);
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: rgba(232, 65, 24, 0.08);
            color: var(--primary);
        }
        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 65, 24, 0.35);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: #f1f2f6;
            border-radius: 40px;
            padding: 7px 14px;
            gap: 8px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-search:hover, .nav-search:focus-within {
            border-color: rgba(232, 65, 24, 0.3);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(232, 65, 24, 0.06);
        }
        .nav-search i { color: var(--text-weak); font-size: 14px; }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 130px;
        }
        .nav-search input::placeholder { color: #a0a4b0; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover { color: var(--primary); }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 18px;
            justify-content: flex-start;
        }
        .breadcrumb a { color: rgba(255, 255, 255, 0.7); }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb .divider { color: rgba(255, 255, 255, 0.4); }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            padding: 150px 0 80px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            text-align: left;
        }
        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 20, 30, 0.94) 0%, rgba(30, 42, 58, 0.82) 55%, rgba(232, 65, 24, 0.45) 100%);
            z-index: 1;
        }
        .article-hero .grid-container { position: relative; z-index: 2; }
        .article-hero-content {
            max-width: 780px;
            padding-top: 20px;
        }
        .article-hero-content h1 {
            font-size: clamp(30px, 4.6vw, 46px);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-top: 10px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .badge-primary {
            background: var(--primary);
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(232, 65, 24, 0.4);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }
        .meta-item i { font-size: 14px; color: rgba(255, 255, 255, 0.6); }

        /* ===== 正文区域 ===== */
        .article-main-section {
            padding: 70px 0 80px;
            background: var(--bg);
        }
        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 32px;
            transition: var(--transition);
        }
        .article-cover {
            position: relative;
            height: 320px;
            overflow: hidden;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .article-cover img { transform: scale(1.03); }
        .article-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.35));
        }
        .article-content {
            padding: 40px 44px;
        }
        .article-content p {
            font-size: 16px;
            line-height: 1.9;
            color: #2d3440;
            margin-bottom: 20px;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 36px 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
        }
        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 28px 0 12px;
        }
        .article-content ul {
            margin: 0 0 20px 24px;
            list-style: disc;
        }
        .article-content ul li {
            margin-bottom: 8px;
            line-height: 1.8;
            color: #2d3440;
            padding-left: 6px;
        }
        .article-content ol {
            margin: 0 0 20px 24px;
            list-style: decimal;
        }
        .article-content ol li {
            margin-bottom: 8px;
            line-height: 1.8;
            color: #2d3440;
        }
        .article-content blockquote {
            position: relative;
            margin: 28px 0;
            padding: 20px 24px 20px 48px;
            background: #fff6f2;
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #4a4254;
            font-size: 16px;
            font-style: normal;
        }
        .article-content blockquote::before {
            content: "\f10d";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 16px;
            top: 18px;
            color: var(--primary);
            font-size: 18px;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
        .article-content table th { background: var(--secondary); color: #fff; padding: 12px 16px; text-align: left; }
        .article-content table td { padding: 12px 16px; border-bottom: 1px solid var(--border); }
        .article-content table tr:nth-child(even) { background: #fafbfd; }

        .not-found {
            text-align: center;
            padding: 80px 30px;
        }
        .not-found i {
            font-size: 56px;
            color: var(--primary);
            opacity: 0.6;
            margin-bottom: 18px;
            display: inline-block;
        }
        .not-found h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .not-found p {
            color: var(--text-weak);
            margin-bottom: 26px;
        }

        /* ===== 文章标签 ===== */
        .article-tags {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 26px 32px;
            box-shadow: var(--shadow);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 40px;
        }
        .article-tags .tag-label {
            font-weight: 700;
            color: var(--text);
            margin-right: 4px;
            font-size: 15px;
        }
        .article-tags a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 16px;
            background: #f1f2f6;
            border-radius: 30px;
            font-size: 13px;
            color: var(--secondary);
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 侧边栏 ===== */
        .sidebar { position: sticky; top: 110px; }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
            transition: var(--transition);
        }
        .sidebar-card:hover { box-shadow: var(--shadow-hover); }
        .sidebar-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i { color: var(--primary); }
        .sidebar-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .category-list li {
            border-bottom: 1px solid #f1f2f6;
            transition: var(--transition);
        }
        .category-list li:last-child { border-bottom: none; }
        .category-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 4px;
            font-size: 14px;
            color: var(--text);
            font-weight: 500;
        }
        .category-list a:hover { color: var(--primary); padding-left: 10px; }
        .category-list a i { color: var(--border); font-size: 12px; }
        .category-list a:hover i { color: var(--primary); }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            padding: 6px 14px;
            background: #f1f2f6;
            border-radius: 30px;
            font-size: 13px;
            color: var(--secondary);
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .side-recommend {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid #f1f2f6;
        }
        .side-recommend:last-child { border-bottom: none; padding-bottom: 0; }
        .side-recommend img {
            width: 78px;
            height: 60px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .side-recommend .recommend-info h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .side-recommend .recommend-info h5:hover { color: var(--primary); }
        .side-recommend .recommend-info span {
            font-size: 12px;
            color: var(--text-weak);
        }
        .side-stat {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid #f1f2f6;
        }
        .side-stat:last-child { border-bottom: none; }
        .side-stat .value {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
        }
        .side-stat .label {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: var(--spacing-section) 0;
            background: #f1f2f6;
        }
        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
            gap: 16px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            position: relative;
            padding-left: 18px;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 28px;
            background: var(--primary);
            border-radius: 4px;
        }
        .section-head .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .section-head .more-link:hover { color: var(--primary-dark); gap: 10px; }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .related-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .img-wrap img { transform: scale(1.05); }
        .related-card .img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.35));
        }
        .related-card .img-wrap .card-tag {
            position: absolute;
            left: 16px;
            top: 16px;
            z-index: 2;
            background: rgba(232, 65, 24, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            backdrop-filter: blur(6px);
        }
        .related-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .related-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
        }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            flex: 1;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-weak);
            padding-top: 12px;
            border-top: 1px solid #f1f2f6;
        }
        .related-card .card-meta span { display: inline-flex; align-items: center; gap: 5px; }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 25, 35, 0.94), rgba(40, 45, 60, 0.86));
        }
        .cta-section .grid-container { position: relative; z-index: 2; }
        .cta-content {
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(26px, 4vw, 38px);
            color: #fff;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.65;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #121820;
            color: rgba(255, 255, 255, 0.72);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 i { color: var(--primary); }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .footer-col ul { margin: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul a:hover { color: #fff; padding-left: 5px; }
        .footer-tags { display: flex; flex-wrap: wrap; gap: 10px; }
        .footer-tags a {
            display: inline-flex;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 30px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-tags a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom p { margin: 0; }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 900px) {
            .site-header { top: 10px; padding: 0 16px; }
            .nav-dock { padding: 10px 16px; border-radius: 30px; flex-wrap: wrap; }
            .nav-links {
                flex-basis: 100%;
                order: 3;
                display: none;
                flex-direction: column;
                align-items: stretch;
                background: #fff;
                border-radius: 18px;
                padding: 12px;
                gap: 4px;
                box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 16px; text-align: left; }
            .nav-cta { margin-left: auto; }
            .nav-search { flex: 1; max-width: 220px; }
            .nav-toggle { display: block; }
            .article-hero { padding: 130px 0 60px; }
            .article-content { padding: 28px 24px; }
            .article-cover { height: 240px; }
            .sidebar { position: static; margin-top: 32px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
        }

        @media screen and (max-width: 640px) {
            :root { --spacing-section: 56px; }
            .nav-search { display: none; }
            .nav-dock { gap: 8px; }
            .nav-brand { font-size: 17px; }
            .nav-brand i { font-size: 18px; }
            .article-hero-content h1 { font-size: 27px; }
            .article-meta { gap: 10px; }
            .meta-item { font-size: 13px; }
            .article-main-section { padding: 44px 0 56px; }
            .article-card { margin-bottom: 24px; }
            .article-content { padding: 20px 18px; }
            .article-content p { font-size: 15px; }
            .article-content h2 { font-size: 20px; }
            .article-tags { padding: 20px; }
            .section-head h2 { font-size: 23px; }
            .section-head .more-link { font-size: 13px; }
            .cta-section { padding: 60px 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { padding: 18px 0; }
        }

        @media screen and (max-width: 520px) {
            .nav-brand { font-size: 15px; }
            .nav-dock { padding: 8px 12px; }
            .nav-links a { font-size: 14px; }
            .article-cover { height: 190px; }
            .article-content { padding: 18px 16px; }
            .article-hero { padding: 110px 0 50px; }
            .article-hero-content h1 { font-size: 23px; }
            .badge { font-size: 12px; padding: 4px 12px; }
            .footer-brand h3 { font-size: 19px; }
            .related-card .img-wrap { height: 160px; }
        }

/* roulang page: category1 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #f97316;
            --accent-light: #fff7ed;
            --navy: #0b1f3a;
            --bg: #f4f7fb;
            --bg-white: #ffffff;
            --text: #0f172a;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(15, 23, 42, .06);
            --shadow-md: 0 12px 28px rgba(15, 23, 42, .08);
            --shadow-lg: 0 20px 44px rgba(15, 23, 42, .12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        input,
        button {
            font-family: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .grid-container {
            max-width: 1200px;
        }

        ::selection {
            background: var(--primary);
            color: #fff;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .45);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== Header / Nav Dock ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 16px 10px;
            background: transparent;
        }

        .nav-dock {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(226, 232, 240, .85);
            border-radius: 20px;
            box-shadow: 0 10px 32px rgba(15, 23, 42, .08);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            position: relative;
            transition: box-shadow .3s ease;
        }

        .nav-dock:hover {
            box-shadow: 0 14px 40px rgba(15, 23, 42, .12);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.12rem;
            color: var(--navy);
            white-space: nowrap;
            transition: opacity .3s;
        }

        .nav-brand:hover {
            opacity: .85;
        }

        .nav-brand i {
            color: var(--accent);
            font-size: 1.1rem;
            background: var(--accent-light);
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 15px;
            color: var(--muted);
            transition: background .3s, color .3s, transform .2s;
        }

        .nav-links a:hover {
            background: #eff6ff;
            color: var(--primary);
        }

        .nav-links a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(37, 99, 235, .25);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #f1f5f9;
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 8px 14px;
            transition: border-color .3s, box-shadow .3s, background .3s;
        }

        .nav-search i {
            color: var(--muted);
            font-size: 14px;
        }

        .nav-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            width: 120px;
        }

        .nav-search input::placeholder {
            color: #94a3b8;
        }

        .nav-search:focus-within {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: #f1f5f9;
            color: var(--text);
            font-size: 18px;
            transition: background .3s, color .3s;
        }

        .nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 120px 0 118px;
            text-align: center;
            color: #fff;
            background:
                linear-gradient(135deg, rgba(2, 12, 34, .92), rgba(30, 58, 138, .78)),
                url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(249, 115, 22, .28) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .78);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .88);
            transition: color .3s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .sep {
            opacity: .55;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.3rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -.02em;
        }

        .hero-title span {
            color: #fbbf24;
        }

        .hero-desc {
            font-size: 1.15rem;
            max-width: 780px;
            margin: 0 auto 30px;
            color: rgba(255, 255, 255, .9);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            transition: transform .3s, box-shadow .3s, background .3s, border-color .3s;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 10px 26px rgba(249, 115, 22, .35);
        }

        .btn-primary:hover {
            background: #ea580c;
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(249, 115, 22, .4);
        }

        .btn-outline {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .18);
            border-color: rgba(255, 255, 255, .55);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 52px;
            flex-wrap: wrap;
        }

        .hero-stat {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 18px;
            padding: 18px 30px;
            min-width: 150px;
        }

        .hero-stat strong {
            display: block;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
        }

        .hero-stat span {
            font-size: .9rem;
            color: rgba(255, 255, 255, .75);
        }

        /* ===== Section Base ===== */
        .section {
            padding: 84px 0;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #eff6ff;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--navy);
        }

        .section-sub {
            color: var(--muted);
            margin-top: 12px;
            font-size: 1rem;
        }

        /* ===== Sports Category Cards ===== */
        .section-cats {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

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

        .sport-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .35s, box-shadow .35s, border-color .35s;
        }

        .sport-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, .35);
        }

        .sport-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }

        .sport-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s;
        }

        .sport-card:hover .sport-cover img {
            transform: scale(1.06);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(6px);
            color: var(--navy);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(15, 23, 42, .12);
        }

        .card-tag i {
            color: var(--accent);
        }

        .sport-body {
            padding: 22px;
        }

        .sport-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--navy);
        }

        .sport-body p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.65;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: gap .3s, color .3s;
        }

        .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== Content Section ===== */
        .section-content {
            background: var(--bg);
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .content-item {
            display: flex;
            gap: 18px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: transform .3s, box-shadow .3s;
        }

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

        .content-thumb {
            width: 200px;
            min-height: 128px;
            border-radius: 14px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .content-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .content-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .content-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #eff6ff;
            color: var(--primary);
            padding: 3px 12px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 12px;
        }

        .content-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .content-info p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .content-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .content-link:hover {
            gap: 9px;
        }

        /* ===== Sidebar ===== */
        .side-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
        }

        .side-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
        }

        .side-title i {
            color: var(--accent);
        }

        .hot-list {
            counter-reset: hot;
        }

        .hot-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            counter-increment: hot;
            font-size: 14px;
            color: var(--text);
            transition: color .3s, padding-left .3s;
        }

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

        .hot-item::before {
            content: counter(hot, decimal-leading-zero);
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
        }

        .hot-item:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .alert-card {
            background: linear-gradient(135deg, #fff7ed, #ffedd5);
            border: 1px solid #fed7aa;
        }

        .alert-card p {
            font-size: 14px;
            color: #7c2d12;
            margin-bottom: 16px;
        }

        .alert-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f97316;
            color: #fff;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: background .3s, transform .3s;
        }

        .alert-btn:hover {
            background: #ea580c;
            transform: translateY(-2px);
        }

        /* ===== Steps ===== */
        .section-steps {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

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

        .step-card {
            background: #f8fafc;
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 30px 24px;
            text-align: center;
            transition: transform .3s, box-shadow .3s;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .step-num {
            width: 54px;
            height: 54px;
            margin: 0 auto 18px;
            border-radius: 18px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 24px rgba(37, 99, 235, .25);
        }

        .step-num.step-orange {
            background: var(--accent);
            box-shadow: 0 10px 24px rgba(249, 115, 22, .25);
        }

        .step-num.step-green {
            background: #10b981;
            box-shadow: 0 10px 24px rgba(16, 185, 129, .25);
        }

        .step-num.step-purple {
            background: #8b5cf6;
            box-shadow: 0 10px 24px rgba(139, 92, 246, .25);
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--navy);
            color: #fff;
            padding: 80px 0;
        }

        .stats-section .section-title {
            color: #fff;
        }

        .stats-section .section-sub {
            color: rgba(255, 255, 255, .65);
        }

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

        .stat-box {
            text-align: center;
            padding: 34px 20px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 22px;
            transition: background .3s, transform .3s, border-color .3s;
        }

        .stat-box:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, .3);
        }

        .stat-box strong {
            display: block;
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
        }

        .stat-box span {
            display: block;
            margin-top: 10px;
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
        }

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

        .faq-list {
            max-width: 920px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s, border-color .3s;
        }

        .faq-item:hover {
            border-color: rgba(37, 99, 235, .3);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--navy);
            cursor: pointer;
            transition: background .3s;
        }

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

        .faq-item summary:hover {
            background: #f8fafc;
        }

        .faq-item summary i {
            color: var(--primary);
            font-size: 16px;
            flex-shrink: 0;
            transition: transform .35s;
        }

        .faq-item[open] summary {
            border-bottom: 1px solid var(--border);
        }

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

        .faq-a {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .section-cta {
            background: #fff;
            padding-bottom: 96px;
        }

        .cta-card {
            background: linear-gradient(135deg, #1e40af, #2563eb);
            border-radius: 32px;
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(30, 64, 175, .35);
        }

        .cta-card::before {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(249, 115, 22, .3) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
        }

        .cta-card p {
            max-width: 600px;
            margin: 0 auto;
            color: rgba(255, 255, 255, .88);
            font-size: 16px;
            position: relative;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 28px auto 0;
            position: relative;
        }

        .cta-form input {
            flex: 1;
            border: none;
            border-radius: 999px;
            padding: 14px 22px;
            outline: none;
            font-size: 15px;
            background: #fff;
            color: var(--text);
            box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
        }

        .cta-form button {
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: background .3s, transform .3s;
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: #ea580c;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--navy);
            color: #cbd5e1;
            padding: 76px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 44px;
            margin-bottom: 44px;
        }

        .footer-brand h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-brand h3 i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: #94a3b8;
            max-width: 340px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            color: #94a3b8;
            font-size: 14px;
            transition: color .3s, padding-left .3s;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-tags a {
            display: inline-block;
            background: rgba(255, 255, 255, .08);
            color: #cbd5e1;
            border-radius: 999px;
            padding: 6px 14px;
            margin: 0 8px 8px 0;
            font-size: 13px;
            transition: background .3s, color .3s;
        }

        .footer-tags a:hover {
            background: var(--primary);
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: #94a3b8;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .content-thumb {
                width: 180px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .section {
                padding: 64px 0;
            }

            .cta-card {
                padding: 48px 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-dock {
                border-radius: 18px;
                padding: 10px 14px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 18px;
                box-shadow: var(--shadow-lg);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                justify-content: center;
                padding: 12px 16px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-search {
                margin-left: auto;
            }

            .nav-search input {
                width: 90px;
            }

            .category-hero {
                padding: 90px 0 88px;
            }

            .hero-stats {
                gap: 12px;
            }

            .hero-stat {
                padding: 14px 18px;
                min-width: 120px;
            }

            .hero-stat strong {
                font-size: 1.3rem;
            }

            .content-item {
                flex-direction: column;
            }

            .content-thumb {
                width: 100%;
                min-height: 0;
                aspect-ratio: 16 / 10;
            }

            .section-content .grid-x {
                gap: 40px;
            }

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

            .cta-form button {
                justify-content: center;
            }

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

        @media (max-width: 520px) {
            .site-header {
                padding: 10px 10px 8px;
            }

            .nav-dock {
                border-radius: 16px;
                padding: 8px 12px;
                gap: 8px;
            }

            .nav-brand {
                font-size: .98rem;
                gap: 7px;
            }

            .nav-brand i {
                width: 32px;
                height: 32px;
                font-size: .95rem;
                border-radius: 10px;
            }

            .nav-search input {
                width: 0;
                padding: 0;
            }

            .nav-search {
                padding: 8px 11px;
            }

            .nav-search i {
                font-size: 15px;
            }

            .category-hero {
                padding: 70px 0 64px;
            }

            .hero-title {
                font-size: 1.75rem;
            }

            .hero-desc {
                font-size: 1rem;
            }

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

            .hero-stat {
                min-width: calc(50% - 12px);
                flex: 1;
            }

            .card-grid,
            .steps-grid,
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .section {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 34px;
            }

            .footer-grid {
                gap: 28px;
            }

            .footer-bottom {
                font-size: 13px;
            }

            .cta-card {
                padding: 40px 20px;
                border-radius: 24px;
            }
        }