/* roulang page: index */
:root {
            --primary-navy: #1A365D;
            --primary-dark: #0B132B;
            --accent-gold: #C59B27;
            --accent-teal: #0D9488;
            --bg-body: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-alt: #EEF2F6;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
            --radius-md: 10px;
            --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            --shadow-hover: 0 12px 30px -4px rgba(26, 54, 93, 0.12);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-body);
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* 顶部品牌与导航 */
        .header-wrap {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .brand-row {
            padding: 12px 0;
            border-bottom: 1px solid #F1F5F9;
        }
        .site-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary-navy);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            letter-spacing: -0.5px;
        }
        .site-logo svg {
            margin-right: 8px;
            fill: var(--accent-gold);
        }
        .icon-grid-bar {
            padding: 8px 0;
            overflow-x: auto;
            white-space: nowrap;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .icon-grid-bar::-webkit-scrollbar {
            display: none;
        }
        .nav-anchor-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            color: var(--text-body);
            text-decoration: none;
            font-size: 0.92rem;
            font-weight: 500;
            border-radius: 20px;
            transition: all 0.2s ease;
        }
        .nav-anchor-item:hover {
            color: var(--primary-navy);
            background-color: #E2E8F0;
        }
        .nav-anchor-item svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }

        /* Hero 舞台 */
        .hero-banner {
            background: linear-gradient(135deg, rgba(11, 19, 43, 0.92), rgba(26, 54, 93, 0.88)), url('/assets/images/9973ccc1c7654885.png') center/cover no-repeat;
            color: #FFFFFF;
            padding: 90px 0;
        }
        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: #CBD5E1;
            margin-bottom: 30px;
            max-width: 680px;
        }

        /* 通用板块与卡片 */
        .section-padding {
            padding: 80px 0;
        }
        .section-alt {
            background-color: var(--bg-alt);
        }
        .section-dark {
            background-color: var(--primary-dark);
            color: #F8FAFC;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }
        .section-dark .section-title {
            color: #FFFFFF;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 45px;
            max-width: 720px;
        }
        .section-dark .section-subtitle {
            color: #94A3B8;
        }

        .base-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            height: 100%;
            overflow: hidden;
        }
        .base-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-cover {
            height: 190px;
            object-fit: cover;
            width: 100%;
        }

        /* 倒计时与赛事 */
        .timer-badge {
            background: #FEF3C7;
            color: #92400E;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 6px;
            display: inline-block;
        }
        .counter-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        /* 按钮与徽章 */
        .btn-gold {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            font-weight: 600;
            border-radius: 6px;
            padding: 10px 24px;
            border: none;
            transition: opacity 0.2s;
        }
        .btn-gold:hover {
            background-color: #B48A1B;
            color: #FFFFFF;
        }
        .btn-outline-custom {
            border: 1px solid #CBD5E1;
            color: #FFFFFF;
            font-weight: 600;
            border-radius: 6px;
            padding: 10px 24px;
        }
        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }

        /* 页脚 */
        .site-footer {
            background-color: #070D1F;
            color: #94A3B8;
            padding: 70px 0 25px;
            font-size: 0.92rem;
            border-top: 1px solid #1E293B;
        }
        .site-footer h5 {
            color: #F8FAFC;
            font-size: 1.05rem;
            margin-bottom: 20px;
            font-weight: 600;
        }
        .site-footer a {
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.2s;
        }
        .site-footer a:hover {
            color: #F8FAFC;
        }
        .footer-bottom {
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid #1E293B;
            font-size: 0.85rem;
        }