:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-bg: #f8fafc;
            --dark-text: #1f2937;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
        }
        .section-title {
            color: var(--primary-color);
            border-bottom: 3px solid var(--accent-color);
            display: inline-block;
            padding-bottom: 10px;
            margin-bottom: 40px;
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .card:hover {
            transform: translateY(-10px);
        }
        .live-score {
            background: linear-gradient(135deg, #1e3a8a, #3b82f6);
            color: white;
            border-radius: 15px;
            padding: 20px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        .friendlink .flink {
            display: inline-block;
            background: var(--light-bg);
            padding: 10px 20px;
            margin: 10px;
            border-radius: 50px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .friendlink .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--accent-color);
        }
        footer {
            background: var(--dark-text);
            color: white;
        }
        .social-icons a {
            color: white;
            font-size: 1.5rem;
            margin: 0 10px;
            transition: color 0.3s ease;
        }
        .social-icons a:hover {
            color: var(--accent-color);
        }
        .btn-custom {
            background: var(--secondary-color);
            color: white;
            border-radius: 50px;
            padding: 12px 30px;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            background: var(--primary-color);
            transform: scale(1.05);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }