:root {
            --primary-color: #1a237e;
            --secondary-color: #ff9800;
            --accent-color: #4caf50;
            --light-bg: #f5f5f5;
            --dark-text: #333;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #283593);
            color: white;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.8rem;
        }
        .nav-link {
            color: white !important;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero {
            padding: 100px 0;
            background: url('https://images.unsplash.com/photo-1551316659-6bda6a3d43c8?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
            position: relative;
            color: white;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        section {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            color: var(--primary-color);
            font-weight: bold;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            margin: 15px auto;
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .card-img-top {
            border-top-left-radius: 12px;
            border-top-right-radius: 12px;
            height: 200px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
        }
        .live-score {
            background: var(--light-bg);
            border-radius: 15px;
            padding: 20px;
            margin-bottom: 30px;
        }
        .live-score h4 {
            color: var(--accent-color);
        }
        .table th {
            background-color: var(--primary-color);
            color: white;
        }
        .friendlink {
            background: var(--light-bg);
            padding: 50px 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background: white;
            border-radius: 30px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            box-shadow: var(--shadow);
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--secondary-color);
            color: white;
            transform: scale(1.05);
        }
        footer {
            background: var(--primary-color);
            color: white;
            padding: 40px 0 20px;
        }
        footer a {
            color: #ffcc80;
            text-decoration: none;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .form-control {
            border-radius: 30px;
            padding: 12px 20px;
            border: 1px solid #ddd;
        }
        .form-control:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 8px rgba(255, 152, 0, 0.3);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .stat-item {
            text-align: center;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .stat-item i {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .hero {
                padding: 60px 0;
            }
            section {
                padding: 50px 0;
            }
            .navbar-brand {
                font-size: 1.5rem;
            }
        }