:root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #38a169;
            --text-dark: #2d3748;
            --text-light: #718096;
            --background-light: #f7fafc;
            --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 54, 93, 0.9) 0%, rgba(229, 62, 62, 0.85) 100%), url('https://images.unsplash.com/photo-1598880940080-ff9a29891b85?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 5rem 0;
            }
        }
        .stat-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-top: 5px solid var(--secondary-color);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--card-shadow);
        }
        .live-badge {
            position: absolute;
            top: -10px;
            right: 20px;
            background-color: var(--secondary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(229, 62, 62, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(229, 62, 62, 0); }
            100% { box-shadow: 0 0 0 0 rgba(229, 62, 62, 0); }
        }
        .team-flag {
            width: 80px;
            height: 50px;
            object-fit: cover;
            border: 2px solid #ddd;
            border-radius: 5px;
        }
        .prediction-card {
            background: linear-gradient(145deg, #ffffff, #f0f4f8);
            border-left: 6px solid var(--accent-color);
        }
        .analysis-tab {
            border-bottom: 3px solid transparent;
            cursor: pointer;
            transition: all 0.3s;
        }
        .analysis-tab.active {
            border-bottom-color: var(--secondary-color);
            color: var(--secondary-color);
            font-weight: bold;
        }
        .friendlink .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background-color: var(--background-light);
            border-radius: 50px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #cbd5e0;
        }
        .friendlink .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
        }
        .footer-link {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        .icon-box {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }
        .form-control:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 0.25rem rgba(229, 62, 62, 0.25);
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }
        .btn-primary:hover {
            background-color: #c53030;
            border-color: #c53030;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 1020;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }