:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #0ea5e9;
            --light-bg: #f8fafc;
            --dark-text: #1e293b;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 6rem 0;
            margin-bottom: 3rem;
        }
        .feature-card {
            transition: transform 0.3s, box-shadow 0.3s;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .match-prediction {
            background: linear-gradient(135deg, var(--primary-color), #1e40af);
            color: white;
            border-radius: 15px;
            padding: 2rem;
            margin: 2rem 0;
        }
        .data-table th {
            background-color: var(--light-bg);
            font-weight: 600;
        }
        .live-badge {
            animation: pulse 1.5s infinite;
            background-color: var(--secondary-color);
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .friendlink .flink {
            display: inline-block;
            padding: 0.5rem 1rem;
            margin: 0.25rem;
            background-color: var(--light-bg);
            border-radius: 50px;
            text-decoration: none;
            color: var(--dark-text);
            transition: all 0.3s;
            border: 1px solid #e2e8f0;
        }
        .friendlink .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        footer {
            background-color: #0f172a;
            color: #cbd5e1;
            padding-top: 3rem;
        }
        .footer-link {
            color: #94a3b8;
            text-decoration: none;
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        .article-content h3 {
            color: var(--primary-color);
            margin-top: 2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .img-fluid {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        @media (max-width: 768px) {
            .hero-section { padding: 4rem 0; }
            .display-4 { font-size: 2.5rem; }
        }