:root {
            --primary-color: #0d2b5a;
            --secondary-color: #e30613;
            --accent-color: #f8b617;
            --light-bg: #f8f9fa;
            --dark-text: #333;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.5rem;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 43, 90, 0.85), rgba(13, 43, 90, 0.9)), url('https://images.unsplash.com/photo-1574623452334-1e0ac2b3ccb4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .feature-card {
            transition: var(--transition);
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
            border-top: 4px solid var(--accent-color);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(13, 43, 90, 0.15);
        }
        .match-prediction-card {
            border-left: 5px solid var(--secondary-color);
            background: var(--light-bg);
        }
        .data-stat {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .flag-icon {
            width: 60px;
            height: 40px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
        }
        .flink {
            color: #ddd;
            text-decoration: none;
            padding: 5px 10px;
            border-radius: 4px;
            transition: var(--transition);
            display: inline-block;
            margin: 5px;
            background: rgba(255,255,255,0.1);
        }
        .flink:hover {
            color: white;
            background: rgba(255,255,255,0.2);
            transform: scale(1.05);
        }
        .live-badge {
            background: var(--secondary-color);
            color: white;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .analysis-tab {
            cursor: pointer;
            border-bottom: 3px solid transparent;
            padding-bottom: 10px;
            transition: var(--transition);
        }
        .analysis-tab.active {
            color: var(--primary-color);
            border-bottom-color: var(--accent-color);
            font-weight: bold;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--accent-color);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-size: 1.5rem;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .data-stat {
                font-size: 2rem;
            }
        }