:root {
            --primary-color: #0d47a1;
            --secondary-color: #e65100;
            --accent-color: #1a237e;
            --light-blue: #e3f2fd;
            --dark-color: #1a1a2e;
            --text-dark: #212529;
            --text-light: #6c757d;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            overflow-x: hidden;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 71, 161, 0.85), rgba(26, 35, 126, 0.9)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
            position: relative;
        }
        .flag-usa {
            background: linear-gradient(to right, #3c3b6e 0%, #3c3b6e 33%, #ffffff 33%, #ffffff 66%, #b22234 66%, #b22234 100%);
            height: 4px;
            width: 100%;
        }
        .flag-aus {
            background: linear-gradient(to right, #012169 0%, #012169 33%, #ffffff 33%, #ffffff 66%, #e4002b 66%, #e4002b 100%);
            height: 4px;
            width: 100%;
        }
        .prediction-card {
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 5px solid var(--secondary-color);
            overflow: hidden;
        }
        .prediction-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
        }
        .match-countdown {
            background: var(--accent-color);
            color: white;
            border-radius: 10px;
            padding: 20px;
            font-weight: bold;
        }
        .countdown-number {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1;
        }
        .team-logo {
            width: 80px;
            height: 80px;
            object-fit: contain;
            filter: drop-shadow(0 4px 6px rgba(0,0,0,0.2));
        }
        .vs-badge {
            background: var(--secondary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.4rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        }
        .probability-bar {
            height: 25px;
            border-radius: 12px;
            background: #e9ecef;
            overflow: hidden;
            margin: 15px 0;
        }
        .probability-fill {
            height: 100%;
            border-radius: 12px;
            background: linear-gradient(90deg, var(--primary-color), #1976d2);
            transition: width 1.5s ease;
        }
        .data-stat-card {
            border-left: 4px solid var(--primary-color);
            padding-left: 15px;
            margin: 15px 0;
        }
        .live-score {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            color: white;
            border-radius: 10px;
            padding: 15px;
            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 10px rgba(255, 107, 107, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); }
        }
        .tactical-diagram {
            background: var(--light-blue);
            border-radius: 10px;
            padding: 20px;
            border: 1px dashed var(--primary-color);
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-content h3 {
            color: var(--primary-color);
            margin: 25px 0 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--light-blue);
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(to right, var(--light-blue), #f3e5f5);
            border-left: 5px solid var(--secondary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .friendlink {
            background: #f8f9fa;
            padding: 40px 0;
            border-top: 1px solid #dee2e6;
            border-bottom: 1px solid #dee2e6;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 8px;
            background: white;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            border: 1px solid #dee2e6;
            transition: var(--transition);
            font-weight: 500;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            border-color: var(--primary-color);
        }
        footer {
            background: var(--dark-color);
            color: #e0e0e0;
            padding: 40px 0 20px;
        }
        .footer-links a {
            color: #b0b0b0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        .responsive-table {
            overflow-x: auto;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 90px 0 50px;
            }
            .team-logo {
                width: 60px;
                height: 60px;
            }
            .countdown-number {
                font-size: 1.8rem;
            }
            .article-content {
                font-size: 1rem;
            }
        }
        .sticky-sidebar {
            position: sticky;
            top: 20px;
        }
        .seo-optimized-text {
            text-align: justify;
            hyphens: auto;
        }