:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
            background-color: var(--light-color);
        }
        .navbar {
            background-color: var(--primary-color) !important;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            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 {
            background: linear-gradient(rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.7)), url('https://images.unsplash.com/photo-1560272564-c83b66b1ad12?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 100px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin-bottom: 30px;
            font-weight: 700;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        .live-score {
            background-color: var(--dark-color);
            color: white;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 30px;
        }
        .live-score h3 {
            color: var(--accent-color);
        }
        .match-prediction {
            background-color: white;
            border: 2px solid var(--primary-color);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 30px;
        }
        .team-logo {
            width: 80px;
            height: 80px;
            object-fit: contain;
        }
        .friendlink {
            background-color: #e2e8f0;
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            padding: 10px 20px;
            margin: 10px;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 2px solid transparent;
        }
        .flink:hover {
            border-color: var(--secondary-color);
            color: var(--secondary-color);
            transform: scale(1.05);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 40px 0 20px;
        }
        footer a {
            color: var(--accent-color);
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        .social-icons a {
            display: inline-block;
            margin: 0 10px;
            font-size: 1.5rem;
            color: white;
            transition: color 0.3s;
        }
        .social-icons a:hover {
            color: var(--accent-color);
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }