/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1a2e;
            --primary-light: #1a2d4a;
            --primary-dark: #080e18;
            --accent: #e63946;
            --accent-hover: #c5303c;
            --accent-glow: rgba(230, 57, 70, 0.4);
            --gold: #f4a420;
            --gold-light: #ffc04d;
            --bg-dark: #0b111e;
            --bg-card: #111b2f;
            --bg-card-hover: #162240;
            --bg-section: #0d1525;
            --text-light: #f0f2f5;
            --text-muted: #9aa8b9;
            --text-dim: #6b7c93;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 76px;
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        section { padding: 80px 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 0.6rem;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #fff 60%, var(--gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-sub {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto 48px auto;
        }
        .section-sub strong { color: var(--gold); font-weight: 600; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(11, 17, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(8, 14, 24, 0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .logo {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .logo span { color: var(--text-light); }
        .logo .highlight { color: var(--accent); }

        /* 搜索框 */
        .nav-search {
            flex: 1;
            max-width: 480px;
            position: relative;
            margin: 0 8px;
        }
        .nav-search input {
            width: 100%;
            padding: 10px 20px 10px 46px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .nav-search input::placeholder { color: var(--text-dim); }
        .nav-search input:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-glow);
        }
        .nav-search i {
            position: absolute;
            left: 18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-dim);
            font-size: 1rem;
            pointer-events: none;
        }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text-light); background: rgba(255,255,255,0.06); }
        .nav-links a.active {
            color: #fff;
            background: var(--accent);
            box-shadow: 0 4px 20px var(--accent-glow);
        }
        .nav-links a.active:hover { background: var(--accent-hover); }

        .nav-cta {
            padding: 8px 24px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--gold), #d4890a);
            color: #0b111e !important;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            margin-left: 4px;
        }
        .nav-cta:hover { transform: scale(1.04); box-shadow: 0 4px 24px rgba(244, 164, 32, 0.4); color: #0b111e !important; background: linear-gradient(135deg, var(--gold-light), var(--gold)); }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: none;
            border: none;
        }
        .hamburger span {
            width: 26px;
            height: 2.5px;
            background: var(--text-light);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding-top: var(--header-h);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(8,14,24,0.82) 0%, rgba(15,26,46,0.70) 50%, rgba(8,14,24,0.88) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 40px 24px 80px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 24px;
            border-radius: 40px;
            background: rgba(230, 57, 70, 0.18);
            border: 1px solid rgba(230, 57, 70, 0.35);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: 4rem;
            font-weight: 900;
            letter-spacing: -2px;
            line-height: 1.1;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #ffffff 40%, var(--gold-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.3rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent), #b71c2a);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px var(--accent-glow);
        }
        .btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 44px var(--accent-glow); color: #fff; }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: var(--border-hover); transform: translateY(-2px); color: #fff; }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold);
            display: block;
            line-height: 1.2;
        }
        .hero-stat .label { font-size: 0.85rem; color: var(--text-dim); margin-top: 4px; }

        /* ===== 热门赛事 ===== */
        .hot-section { background: var(--bg-section); }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .sport-card:hover { transform: translateY(-8px); border-color: var(--border-hover); box-shadow: var(--shadow-card); background: var(--bg-card-hover); }
        .sport-card .card-img {
            height: 190px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .sport-card .card-img .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 16px;
            border-radius: 40px;
            background: var(--accent);
            font-size: 0.78rem;
            font-weight: 600;
            color: #fff;
            box-shadow: 0 2px 12px rgba(230,57,70,0.4);
        }
        .sport-card .card-img .live-dot {
            position: absolute;
            bottom: 14px;
            right: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(0,0,0,0.7);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
        }
        .sport-card .card-img .live-dot i { font-size: 0.6rem; color: #00e676; }
        .sport-card .card-body { padding: 20px 22px 24px; }
        .sport-card .card-body h3 { font-size: 1.25rem; margin-bottom: 6px; }
        .sport-card .card-body p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 12px; }
        .sport-card .card-body .meta { display: flex; justify-content: space-between; color: var(--text-dim); font-size: 0.82rem; }
        .sport-card .card-body .meta i { margin-right: 4px; }

        /* ===== 平台数据 ===== */
        .data-section {
            background: linear-gradient(160deg, var(--primary-dark), var(--primary));
            position: relative;
        }
        .data-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 1;
        }
        .data-item {
            text-align: center;
            padding: 36px 20px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .data-item:hover { background: rgba(255,255,255,0.08); border-color: var(--border-hover); transform: translateY(-4px); }
        .data-item .icon { font-size: 2.4rem; color: var(--gold); margin-bottom: 12px; }
        .data-item .num { font-size: 2.6rem; font-weight: 800; color: #fff; line-height: 1.2; }
        .data-item .num span { color: var(--accent); }
        .data-item .label { color: var(--text-muted); font-size: 0.95rem; margin-top: 6px; }

        /* ===== 最新资讯 (CMS) ===== */
        .news-section { background: var(--bg-dark); }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .news-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
        .news-card .nc-img {
            width: 160px;
            min-height: 120px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .news-card .nc-body { flex: 1; display: flex; flex-direction: column; justify-content: center; }
        .news-card .nc-body .cat {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 40px;
            background: rgba(244, 164, 32, 0.15);
            color: var(--gold);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
            width: fit-content;
        }
        .news-card .nc-body h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card .nc-body p { color: var(--text-muted); font-size: 0.88rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
        .news-card .nc-body .time { color: var(--text-dim); font-size: 0.78rem; }
        .news-card .nc-body .time i { margin-right: 4px; }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-dim);
            font-size: 1.05rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        .news-empty i { font-size: 2.4rem; color: var(--text-dim); margin-bottom: 12px; display: block; }

        /* ===== 赛事分类 ===== */
        .category-section { background: var(--bg-section); }
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .cat-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 260px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .cat-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8,14,24,0.9) 0%, transparent 60%);
            transition: var(--transition);
        }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--border-hover); }
        .cat-card:hover::before { background: linear-gradient(to top, rgba(8,14,24,0.95) 0%, rgba(8,14,24,0.2) 70%); }
        .cat-card .cat-info {
            position: relative;
            z-index: 1;
            padding: 24px 26px;
            width: 100%;
        }
        .cat-card .cat-info h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 4px; }
        .cat-card .cat-info p { color: var(--text-muted); font-size: 0.88rem; }
        .cat-card .cat-info .count { color: var(--gold); font-size: 0.82rem; font-weight: 600; margin-top: 8px; display: inline-block; }

        /* ===== 平台特色 ===== */
        .feature-section { background: var(--bg-dark); }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .feature-item {
            text-align: center;
            padding: 36px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-item:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform: translateY(-6px); box-shadow: var(--shadow-card); }
        .feature-item .fi-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(230,57,70,0.15), rgba(244,164,32,0.15));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--gold);
        }
        .feature-item h4 { font-size: 1.15rem; margin-bottom: 8px; }
        .feature-item p { color: var(--text-muted); font-size: 0.9rem; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-section); }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-hover); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary), var(--primary-dark));
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-box h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
        .cta-box p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 32px; }
        .cta-box .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 28px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand .logo { font-size: 1.2rem; margin-bottom: 12px; }
        .footer-brand p { color: var(--text-muted); font-size: 0.9rem; max-width: 300px; line-height: 1.7; }
        .footer-col h5 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; color: var(--text-light); }
        .footer-col a {
            display: block;
            color: var(--text-dim);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--gold); padding-left: 4px; }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 32px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-dim);
        }
        .footer-bottom a { color: var(--text-dim); }
        .footer-bottom a:hover { color: var(--gold); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .cat-grid { grid-template-columns: repeat(2, 1fr); }
            .data-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr 1fr; }
            .hero h1 { font-size: 3rem; }
        }

        @media (max-width: 768px) {
            :root { --header-h: 64px; }
            section { padding: 56px 0; }
            .section-title { font-size: 1.7rem; }
            .section-sub { font-size: 0.95rem; margin-bottom: 32px; }

            .hamburger { display: flex; }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(11, 17, 30, 0.98);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                gap: 4px;
            }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-links a { padding: 12px 20px; width: 100%; text-align: center; }
            .nav-cta { margin-left: 0; margin-top: 4px; text-align: center; }

            .nav-search { max-width: 200px; }
            .nav-search input { padding: 8px 16px 8px 38px; font-size: 0.85rem; }

            .hero { min-height: 90vh; }
            .hero h1 { font-size: 2.4rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat .num { font-size: 1.6rem; }

            .card-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .news-card { flex-direction: column; }
            .news-card .nc-img { width: 100%; height: 180px; }
            .cat-grid { grid-template-columns: 1fr; }
            .cat-card { height: 200px; }
            .data-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .data-item { padding: 24px 16px; }
            .data-item .num { font-size: 2rem; }
            .feature-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-box h2 { font-size: 1.8rem; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.9rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary { width: 100%; justify-content: center; }
            .nav-search { max-width: 140px; }
            .nav-search input { padding: 6px 12px 6px 34px; font-size: 0.8rem; }
            .nav-search i { left: 12px; font-size: 0.85rem; }
            .data-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .data-item { padding: 18px 12px; }
            .data-item .num { font-size: 1.6rem; }
            .feature-grid { grid-template-columns: 1fr; }
            .section-title { font-size: 1.4rem; }
            .cat-card { height: 170px; }
            .cat-card .cat-info { padding: 16px 20px; }
            .cat-card .cat-info h3 { font-size: 1.1rem; }
            .faq-question { padding: 16px 18px; font-size: 0.95rem; }
            .logo { font-size: 1rem; }
            .logo-icon { width: 30px; height: 30px; font-size: 1rem; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --accent-light: #f9c78a;
            --bg: #0b0f1a;
            --bg-alt: #111827;
            --bg-card: #1a2332;
            --bg-card-hover: #1f2b3d;
            --text: #f1f5f9;
            --text-muted: #94a3b8;
            --text-weak: #64748b;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.6);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1280px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        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;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary-dark);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(11, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(11, 15, 26, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }
        .logo .highlight {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.12);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--primary);
        }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-links a.nav-cta i {
            margin-right: 6px;
        }
        .mobile-toggle {
            display: none;
            font-size: 26px;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 17px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.nav-cta {
                text-align: center;
                margin-top: 6px;
            }
        }

        /* ===== 页面头部间距 ===== */
        .page-banner {
            margin-top: var(--header-h);
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 60%, #0f1923 100%);
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 53, 87, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text) 40%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .page-banner .banner-tags span {
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .page-banner .banner-tags span i {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 80px 0 60px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-tags span {
                font-size: 13px;
                padding: 4px 14px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-header h2 .highlight {
            color: var(--primary);
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .section-header .badge-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 12px;
            margin-top: 16px;
        }
        .section-header .badge-group span {
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(230, 57, 70, 0.08);
            border: 1px solid rgba(230, 57, 70, 0.2);
            font-size: 13px;
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 24px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        }
        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }

        /* ===== 赛事卡片 ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .event-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-alt);
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .event-card:hover .card-img img {
            transform: scale(1.05);
        }
        .event-card .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.4);
        }
        .event-card .card-img .card-badge.live {
            background: #22c55e;
            box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
        }
        .event-card .card-img .card-badge.upcoming {
            background: var(--accent);
            box-shadow: 0 4px 12px rgba(244, 162, 97, 0.4);
        }
        .event-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .event-card .card-body .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 10px;
        }
        .event-card .card-body .meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .event-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .event-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .event-card .card-body .card-footer .tag {
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-weak);
        }
        .event-card .card-body .card-footer .btn-sm {
            padding: 6px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            transition: var(--transition);
        }
        .event-card .card-body .card-footer .btn-sm:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 分类入口卡片 ===== */
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 24px 32px;
            text-align: center;
            transition: var(--transition);
            cursor: default;
        }
        .cat-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .cat-card .icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .cat-card .icon.alt1 {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .cat-card .icon.alt2 {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
        }
        .cat-card .icon.alt3 {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        }
        .cat-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cat-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .cat-card .count {
            font-size: 13px;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
        }
        .cat-card .count i {
            color: var(--primary);
        }

        /* ===== 数据板块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-item .number {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-item .label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .stat-item .sub {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* ===== 赛程时间线 ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 16px 20px;
            transition: var(--transition);
        }
        .schedule-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow);
            background: var(--bg-card-hover);
        }
        .schedule-item .time {
            min-width: 70px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            text-align: center;
        }
        .schedule-item .info {
            flex: 1;
        }
        .schedule-item .info h4 {
            font-size: 16px;
            font-weight: 600;
        }
        .schedule-item .info .league {
            font-size: 13px;
            color: var(--text-weak);
        }
        .schedule-item .status {
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }
        .schedule-item .status.live {
            background: rgba(34, 197, 94, 0.15);
            color: #22c55e;
        }
        .schedule-item .status.upcoming {
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
        }
        .schedule-item .status.finished {
            background: rgba(148, 163, 184, 0.12);
            color: var(--text-weak);
        }
        @media (max-width: 600px) {
            .schedule-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .schedule-item .time {
                min-width: auto;
                text-align: left;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: var(--transition);
        }
        .faq-item .faq-q:hover {
            color: var(--primary-light);
        }
        .faq-item .faq-q i {
            font-size: 14px;
            color: var(--text-weak);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f1923 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-block .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .cta-block .btn-primary {
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-block .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.5);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .cta-block .btn-secondary {
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-block .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-weak);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 26px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
            padding: 60px 24px 0;
        }
        .footer-inner {
            max-width: var(--container);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            max-width: var(--container);
            margin: 0 auto;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-weak);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 按钮通用 ===== */
        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary-light);
            border: 1px solid rgba(230, 57, 70, 0.2);
            transition: var(--transition);
            margin-top: 32px;
        }
        .btn-more:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
        }
        .text-center {
            text-align: center;
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 1024px) {
            .card-grid-3 {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .card-grid-4 {
                grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
            .card-grid-3 {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
            .card-grid-4 {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item .number {
                font-size: 30px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .cat-card {
                padding: 20px 16px 24px;
            }
            .cat-card .icon {
                width: 48px;
                height: 48px;
                font-size: 20px;
            }
            .schedule-item {
                padding: 12px 16px;
            }
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 15px;
            }
        }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e3a5f;
            --primary-dark: #0f2440;
            --primary-light: #2a4f7a;
            --secondary: #d4a84b;
            --secondary-light: #e8c06a;
            --secondary-dark: #b8892c;
            --bg: #f4f6f9;
            --bg-alt: #eef1f5;
            --bg-dark: #1a1f2e;
            --text: #1e293b;
            --text-light: #64748b;
            --text-inverse: #f8fafc;
            --border: #dce1e8;
            --border-light: #e9edf2;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.2rem; }
        h2 { font-size: 1.8rem; margin-bottom: 0.5em; }
        h3 { font-size: 1.4rem; margin-bottom: 0.4em; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1em; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; width: 100%; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0;
            height: var(--header-h);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled { background: rgba(255,255,255,0.98); box-shadow: var(--shadow-sm); }
        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            width: 40px; height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex; align-items: center; justify-content: center;
            color: #fff; font-size: 1.2rem;
        }
        .logo .highlight { color: var(--secondary); }
        .logo:hover .highlight { color: var(--secondary-light); }
        .nav-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-light);
            transition: all var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--primary); background: rgba(30,58,95,0.06); }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-links a.active:hover { background: var(--primary-light); color: #fff; }
        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            font-weight: 600;
            padding: 8px 22px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(212,168,75,0.35);
        }
        .nav-links a.nav-cta i { font-size: 0.85rem; }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            width: 44px; height: 44px;
            border: none; background: transparent;
            font-size: 1.6rem; color: var(--text);
            cursor: pointer; border-radius: var(--radius-sm);
            align-items: center; justify-content: center;
            transition: background var(--transition);
        }
        .mobile-toggle:hover { background: var(--bg-alt); }

        /* ===== 页面横幅 ===== */
        .article-banner {
            margin-top: var(--header-h);
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .article-banner .container { position: relative; z-index: 2; width: 100%; }
        .article-banner .breadcrumb {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-banner .breadcrumb a:hover { color: var(--secondary); }
        .article-banner .breadcrumb .sep { opacity: 0.5; }
        .article-banner .breadcrumb .current { color: rgba(255,255,255,0.9); }
        .article-banner h1 {
            font-size: 2.4rem;
            color: #fff;
            max-width: 900px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex; align-items: center; gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.75);
            font-size: 0.92rem;
        }
        .article-meta .badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.02em;
        }
        .article-meta .meta-item { display: flex; align-items: center; gap: 6px; }
        .article-meta .meta-item i { font-size: 0.85rem; }

        /* ===== 文章正文 ===== */
        .article-main { padding: 48px 0 60px; }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-content h2 { margin-top: 1.8em; color: var(--primary); }
        .article-content h3 { margin-top: 1.4em; color: var(--text); }
        .article-content p { margin-bottom: 1.2em; line-height: 1.85; color: #334155; }
        .article-content ul, .article-content ol { margin-bottom: 1.2em; padding-left: 1.6em; list-style: disc; }
        .article-content ol { list-style: decimal; }
        .article-content li { margin-bottom: 0.4em; line-height: 1.75; color: #334155; }
        .article-content blockquote {
            border-left: 4px solid var(--secondary);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: #faf8f2;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #4a5568;
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.6em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content a { color: var(--primary); text-decoration: underline; }
        .article-content a:hover { color: var(--secondary); }
        .article-content code {
            background: #f1f3f5;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: #d63384;
        }
        .article-content pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-content pre code { background: transparent; color: inherit; padding: 0; }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found .icon { font-size: 4rem; color: var(--border); margin-bottom: 20px; }
        .article-not-found h2 { color: var(--text); margin-bottom: 12px; }
        .article-not-found p { color: var(--text-light); margin-bottom: 24px; }
        .article-not-found .btn-back {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .article-not-found .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }

        /* 标签 */
        .article-tags {
            display: flex; flex-wrap: wrap; gap: 10px;
            margin-top: 32px; padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag {
            padding: 6px 16px;
            border-radius: 30px;
            background: var(--bg);
            color: var(--text-light);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* 侧边栏 */
        .article-sidebar { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--secondary);
            display: flex; align-items: center; gap: 8px;
        }
        .sidebar-card h4 i { color: var(--secondary); }
        .sidebar-list li { margin-bottom: 12px; }
        .sidebar-list a {
            display: flex; align-items: center; gap: 10px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            color: var(--text);
            font-weight: 500;
            transition: all var(--transition);
            font-size: 0.92rem;
        }
        .sidebar-list a:hover { background: var(--bg); color: var(--primary); }
        .sidebar-list a .num {
            width: 26px; height: 26px;
            border-radius: 50%;
            background: var(--bg);
            display: flex; align-items: center; justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--text-light);
            flex-shrink: 0;
        }
        .sidebar-list a:hover .num { background: var(--primary); color: #fff; }
        .sidebar-cta {
            display: block;
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .sidebar-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,168,75,0.3); color: #fff; }

        /* ===== 相关推荐 ===== */
        .related-section { padding: 60px 0; background: var(--bg); }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 { color: var(--text); }
        .related-section .section-title p { color: var(--text-light); font-size: 1.05rem; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .related-card .card-img {
            width: 100%; height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card .card-body { padding: 20px 18px 22px; }
        .related-card .card-body h4 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h4 a { color: var(--text); }
        .related-card .card-body h4 a:hover { color: var(--primary); }
        .related-card .card-body .meta {
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex; align-items: center; gap: 12px;
        }
        .related-card .card-body .meta i { font-size: 0.75rem; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto 28px; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .cta-buttons .btn-primary {
            padding: 14px 40px;
            background: var(--secondary);
            color: var(--primary-dark);
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            display: inline-flex; align-items: center; gap: 10px;
        }
        .cta-buttons .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(212,168,75,0.35);
            color: var(--primary-dark);
        }
        .cta-buttons .btn-outline {
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.4);
            border-radius: 30px;
            font-weight: 600;
            transition: all var(--transition);
            display: inline-flex; align-items: center; gap: 10px;
        }
        .cta-buttons .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-3px); }

        /* ===== FAQ ===== */
        .faq-section { padding: 60px 0; background: #fff; }
        .faq-section .section-title { text-align: center; margin-bottom: 40px; }
        .faq-section .section-title h2 { color: var(--text); }
        .faq-section .section-title p { color: var(--text-light); font-size: 1.05rem; }
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: transparent;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background var(--transition);
        }
        .faq-question:hover { background: var(--bg); }
        .faq-question i { color: var(--secondary); transition: transform var(--transition); font-size: 0.85rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.35s ease;
            color: var(--text-light);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 300px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 0;
        }
        .footer-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo .logo-icon { background: var(--secondary); color: var(--primary-dark); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 360px; }
        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            color: rgba(255,255,255,0.5);
            font-size: 0.88rem;
            transition: all var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            max-width: var(--container);
            margin: 40px auto 0;
            padding: 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .sidebar-card { margin-bottom: 0; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            :root { --header-h: 64px; }
            .mobile-toggle { display: flex; }
            .nav-links {
                position: fixed; top: var(--header-h); left: 0; right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                padding: 16px 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.35s ease;
                border-bottom: 2px solid var(--border-light);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                pointer-events: none;
            }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-links a { padding: 12px 18px; border-radius: var(--radius-sm); text-align: center; }
            .nav-links a.nav-cta { justify-content: center; }
            .article-banner { padding: 60px 0 40px; min-height: auto; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-content { padding: 28px 24px; }
            .article-meta { font-size: 0.82rem; gap: 12px; }
            .related-grid { grid-template-columns: 1fr; }
            .cta-section h2 { font-size: 1.5rem; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-sidebar { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-banner h1 { font-size: 1.3rem; }
            .article-content { padding: 20px 16px; }
            .article-content h2 { font-size: 1.3rem; }
            .article-content h3 { font-size: 1.1rem; }
            .cta-buttons { flex-direction: column; align-items: center; }
            .cta-buttons .btn-primary, .cta-buttons .btn-outline { width: 100%; justify-content: center; }
            .faq-question { font-size: 0.92rem; padding: 14px 16px; }
            .faq-item.active .faq-answer { padding: 0 16px 16px; }
            .related-card .card-img { height: 160px; }
        }