:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #2ec27e;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1rem;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-color);
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 95, 180, 0.9) 0%, rgba(233, 84, 32, 0.8) 100%), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 100px 0;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .team-card {
            text-align: center;
            padding: 2rem;
            border-radius: 15px;
            transition: all 0.3s ease;
        }
        .team-card:hover {
            transform: scale(1.03);
        }
        .team-flag {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 1rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .stat-card {
            background: linear-gradient(135deg, var(--primary-color), #3a7bd5);
            color: white;
            border-radius: 15px;
            padding: 2rem;
            text-align: center;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .friendlink .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background-color: #f8f9fa;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .friendlink .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-color);
            color: #ddd;
            padding-top: 3rem;
        }
        .footer-link {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-link:hover {
            color: white;
        }
        .prediction-card {
            border-left: 5px solid var(--accent-color);
            background-color: rgba(46, 194, 126, 0.05);
        }
        @media (max-width: 768px) {
            .display-4 {
                font-size: 2.2rem;
            }
            .hero-section {
                padding: 60px 0;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }
        .fade-in {
            animation: fadeIn 1s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .live-match {
            background: linear-gradient(90deg, #ff6b6b, #ff8e53);
            color: white;
            border-radius: 10px;
            padding: 15px;
            margin-bottom: 20px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(255, 107, 107, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
        }
        .breadcrumb {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 12px 20px;
        }