:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --background-light: #f9fafb;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            background-color: #ffffff;
        }
        .navbar {
            background-color: var(--primary-color);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white !important;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
            color: white;
            padding: 6rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }
        .hero-section p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .btn-primary-custom {
            background-color: var(--accent-color);
            border: none;
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s;
        }
        .btn-primary-custom:hover {
            background-color: #e68a00;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        section {
            padding: 5rem 0;
        }
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 3rem;
            color: var(--primary-color);
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .card-custom {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card-custom:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        .card-img-top {
            border-top-left-radius: 15px;
            border-top-right-radius: 15px;
            height: 220px;
            object-fit: cover;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .stat-item {
            background-color: var(--background-light);
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            transition: background-color 0.3s;
        }
        .stat-item:hover {
            background-color: #e5e7eb;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            display: block;
        }
        .live-score {
            background-color: #1e40af;
            color: white;
            padding: 1.5rem;
            border-radius: 15px;
            margin-bottom: 2rem;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(30, 64, 175, 0); }
            100% { box-shadow: 0 0 0 0 rgba(30, 64, 175, 0); }
        }
        .friendlink {
            background-color: var(--background-light);
            padding: 4rem 0;
        }
        .flink {
            display: inline-block;
            margin: 0.5rem 1rem;
            padding: 0.75rem 1.5rem;
            background-color: white;
            border-radius: 50px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-link:hover {
            color: var(--accent-color);
        }
        .social-icons a {
            color: white;
            font-size: 1.5rem;
            margin: 0 0.75rem;
            transition: color 0.3s;
        }
        .social-icons a:hover {
            color: var(--accent-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }