:root {
            --primary-color: #1a365d;
            --secondary-color: #e63946;
            --accent-color: #457b9d;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --light-text: #6c757d;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .nav-link {
            font-weight: 500;
            color: var(--primary-color) !important;
            margin: 0 8px;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(26, 54, 93, 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 100px;
            position: relative;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 700;
            margin-bottom: 25px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 30px;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1) !important;
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        .prediction-card {
            background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
            color: white;
            border-radius: 15px;
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        .team-flag {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        .vs-text {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary-color);
            margin: 0 20px;
        }
        .hover-effect {
            transition: all 0.3s ease;
        }
        .hover-effect:hover {
            transform: scale(1.05);
        }
        .stat-chart {
            height: 200px;
            background: linear-gradient(to right, #e63946, #f4a261);
            border-radius: 10px;
            position: relative;
            overflow: hidden;
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 70px 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            padding: 12px 25px;
            border-radius: 50px;
            margin: 8px;
            color: var(--dark-text);
            text-decoration: none;
            font-weight: 500;
            border: 1px solid #e9ecef;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding-top: 60px;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.3rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .team-flag {
                width: 60px;
                height: 60px;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.8s ease forwards;
        }
        .section-divider {
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            margin: 20px auto 40px;
            border-radius: 2px;
        }
        .progress-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: transparent;
            z-index: 1000;
        }
        .progress-bar {
            height: 4px;
            background: var(--secondary-color);
            width: 0%;
            transition: width 0.3s ease;
        }