:root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #f59e0b;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.8)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 6rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            padding: 2rem;
            height: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
            border-top: 5px solid var(--primary);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        .icon-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(30, 58, 138, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--primary);
            font-size: 1.8rem;
        }
        .match-card {
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 1.5rem;
            transition: all 0.3s;
        }
        .match-card:hover {
            border-color: var(--primary);
            box-shadow: 0 5px 15px rgba(30, 58, 138, 0.1);
        }
        .match-header {
            background: #f1f5f9;
            padding: 1rem;
            font-weight: 600;
            color: var(--dark);
        }
        .team-logo {
            width: 50px;
            height: 50px;
            object-fit: contain;
        }
        .prediction-badge {
            background: linear-gradient(135deg, var(--secondary), #ef4444);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .analysis-section {
            background: #f8fafc;
            padding: 4rem 0;
        }
        .tab-content {
            border: 1px solid #e2e8f0;
            border-top: none;
            border-radius: 0 0 10px 10px;
            padding: 2rem;
            background: white;
        }
        .nav-tabs .nav-link.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        .data-table th {
            background: var(--primary);
            color: white;
            font-weight: 600;
        }
        .footer {
            background: var(--dark);
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
        }
        .footer a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: white;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: #374151;
            color: #d1d5db;
            border-radius: 6px;
            margin: 0.3rem;
            text-decoration: none;
            transition: all 0.3s;
        }
        .flink:hover {
            background: var(--primary);
            color: white;
            transform: scale(1.05);
        }
        .live-badge {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse 1.5s infinite;
            margin-right: 5px;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.5; }
            100% { opacity: 1; }
        }
        .responsive-iframe {
            width: 100%;
            height: 400px;
            border: none;
            border-radius: 10px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 3rem 0;
            }
            .responsive-iframe {
                height: 300px;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }