: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;
            line-height: 1.8;
            color: #333;
            background-color: var(--light-color);
        }
        .navbar {
            background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: white !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            transition: all 0.3s;
            margin: 0 8px;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            margin-bottom: 25px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .section-title {
            color: var(--primary-color);
            font-weight: 800;
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-12px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        .card-header {
            background-color: var(--primary-color);
            color: white;
            font-weight: 700;
            padding: 20px;
            border-bottom: none;
        }
        .feature-icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        .live-score {
            background: linear-gradient(135deg, #1e3a8a 0%, #dc2626 100%);
            color: white;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 30px;
            box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
        }
        .team-flag {
            width: 60px;
            height: auto;
            border-radius: 4px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .analysis-box {
            background: white;
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            border-radius: 0 12px 12px 0;
            margin: 25px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .friendlink {
            background-color: #f1f5f9;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            color: var(--primary-color);
            padding: 12px 25px;
            margin: 10px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            border: 2px solid transparent;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--accent-color);
            transform: scale(1.05);
        }
        footer {
            background-color: var(--dark-color);
            color: #cbd5e1;
            padding: 60px 0 30px;
        }
        .footer-link {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-link:hover {
            color: var(--accent-color);
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-color), #2563eb);
            border: none;
            padding: 14px 32px;
            font-weight: 700;
            border-radius: 50px;
            transition: all 0.3s;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(30, 58, 138, 0.3);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
        }