:root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --accent-color: #198754;
            --dark-color: #212529;
            --light-color: #f8f9fa;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.8;
            color: var(--dark-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        .navbar {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            background-color: rgba(255,255,255,0.95);
            backdrop-filter: blur(10px);
        }
        .hero-section {
            background: linear-gradient(rgba(13, 110, 253, 0.85), rgba(25, 135, 84, 0.8)), url('https://picsum.photos/seed/worldcup/1920/800') no-repeat center center/cover;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #0b5ed7;
            transform: scale(1.05);
        }
        .live-score {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            color: white;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 30px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255,107,107,0.7); }
            70% { box-shadow: 0 0 0 15px rgba(255,107,107,0); }
            100% { box-shadow: 0 0 0 0 rgba(255,107,107,0); }
        }
        .analysis-box {
            background: var(--light-color);
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            margin-bottom: 25px;
            border-radius: 0 10px 10px 0;
        }
        .friendlink a.flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 8px;
            background: var(--light-color);
            border-radius: 8px;
            color: var(--dark-color);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #dee2e6;
        }
        .friendlink a.flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 50px 0 20px;
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            color: white;
            transition: all 0.3s;
        }
        .social-icons a:hover {
            background: var(--primary-color);
            transform: rotate(15deg);
        }
        .sticky-top {
            top: 20px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .card-img-top {
                height: 180px;
            }
        }