:root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #38a169;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
        }
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            color: var(--primary-color) !important;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
            color: white;
            padding: 100px 0;
        }
        .section-title {
            color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 10px;
            margin-bottom: 30px;
            display: inline-block;
        }
        .card {
            border: none;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 10px 25px;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .btn-primary:hover {
            background-color: #c53030;
            border-color: #c53030;
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 40px 0;
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            margin: 5px 15px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 5px;
            transition: all 0.3s;
            border: 1px solid transparent;
        }
        .flink:hover {
            background-color: white;
            border-color: var(--secondary-color);
            color: var(--secondary-color);
        }
        .live-score {
            background-color: var(--accent-color);
            color: white;
            padding: 10px;
            border-radius: 5px;
            font-weight: bold;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.8; }
            100% { opacity: 1; }
        }
        .stats-table th {
            background-color: var(--primary-color);
            color: white;
        }
        .img-hover {
            transition: transform 0.3s;
        }
        .img-hover:hover {
            transform: scale(1.02);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }