:root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --success-color: #198754;
            --danger-color: #dc3545;
            --warning-color: #ffc107;
            --info-color: #0dcaf0;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --worldcup-blue: #1e3d8f;
            --worldcup-red: #e63946;
            --panama-red: #c60c30;
            --panama-blue: #005293;
            --croatia-red: #ff0000;
            --croatia-blue: #171796;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            background: linear-gradient(to right, var(--panama-red), var(--croatia-red));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1598880940080-ff9b29874102?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--panama-blue), var(--croatia-blue));
            border-radius: 2px;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .team-flag {
            width: 60px;
            height: 40px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .live-badge {
            animation: pulse 2s infinite;
            border-radius: 20px;
            padding: 5px 15px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .match-card {
            border-left: 5px solid var(--worldcup-blue);
            border-radius: 10px;
        }
        .analysis-chart {
            height: 300px;
            background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
            border-radius: 10px;
            display: flex;
            align-items: flex-end;
            justify-content: space-around;
            padding: 20px;
            margin-top: 20px;
        }
        .chart-bar {
            width: 60px;
            background: linear-gradient(to top, var(--panama-blue), var(--panama-red));
            border-radius: 5px 5px 0 0;
            position: relative;
            text-align: center;
            color: white;
            font-weight: bold;
        }
        .chart-bar.croatia {
            background: linear-gradient(to top, var(--croatia-blue), var(--croatia-red));
        }
        .friendlink a.flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background-color: #f8f9fa;
            border-radius: 50px;
            text-decoration: none;
            color: #495057;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .friendlink a.flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: scale(1.05);
            border-color: var(--primary-color);
        }
        footer {
            background: linear-gradient(to right, #1a1a2e, #16213e);
            color: #e9ecef;
        }
        .social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255,255,255,0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        .social-icon:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section {
                padding: 5rem 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .tab-content {
            border-left: 1px solid #dee2e6;
            border-right: 1px solid #dee2e6;
            border-bottom: 1px solid #dee2e6;
            border-radius: 0 0 10px 10px;
            padding: 25px;
            background-color: #fff;
        }
        .nav-tabs .nav-link.active {
            font-weight: 600;
            border-bottom: 3px solid var(--primary-color);
        }
        .data-table th {
            background-color: #f8f9fa;
            font-weight: 600;
            border-top: none;
        }
        .prediction-meter {
            height: 25px;
            border-radius: 15px;
            overflow: hidden;
            background-color: #e9ecef;
            margin: 20px 0;
        }
        .meter-fill {
            height: 100%;
            border-radius: 15px;
            background: linear-gradient(to right, var(--panama-blue), var(--panama-red));
            width: 35%;
            position: relative;
        }
        .meter-fill.croatia {
            background: linear-gradient(to right, var(--croatia-blue), var(--croatia-red));
            width: 65%;
        }
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        .contact-info i {
            width: 30px;
            color: var(--primary-color);
        }