:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
            --gray-color: #64748b;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            background-color: #f9fafb;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-color) 100%);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: white !important;
            transition: transform 0.3s ease;
        }
        .navbar-brand:hover {
            transform: scale(1.05);
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            margin: 0 10px;
            padding: 8px 16px !important;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        .nav-link:hover, .nav-link.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: white !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=2071&q=80') no-repeat center center/cover;
            color: white;
            padding: 100px 0;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 700px;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border: none;
            padding: 12px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 30px;
            transition: all 0.3s ease;
            color: white;
        }
        .btn-primary-custom:hover {
            background-color: #b91c1c;
            transform: translateY(-3px);
            box-shadow: 0 8px 15px rgba(220, 38, 38, 0.3);
        }
        section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 40px;
            text-align: center;
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
            border-radius: 2px;
        }
        .card-custom {
            border: none;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
            background-color: white;
        }
        .card-custom:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .live-score {
            background-color: var(--light-color);
            border-left: 5px solid var(--secondary-color);
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        .team-logo {
            width: 60px;
            height: 60px;
            object-fit: contain;
            margin: 0 15px;
        }
        .score {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark-color);
        }
        .data-table {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .table th {
            background-color: var(--primary-color);
            color: white;
            border: none;
        }
        .table td {
            vertical-align: middle;
        }
        .analysis-article {
            background-color: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
            margin-bottom: 30px;
        }
        .analysis-article h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .friendlink {
            background-color: var(--light-color);
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background-color: white;
            color: var(--primary-color);
            padding: 12px 25px;
            margin: 10px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-5px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            margin-bottom: 10px;
            display: block;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 10px;
            width: 20px;
        }
        .copyright {
            border-top: 1px solid #334155;
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--secondary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s ease, transform 0.3s ease;
            box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
        }
        .back-to-top.show {
            opacity: 1;
        }
        .back-to-top:hover {
            background-color: #b91c1c;
            transform: scale(1.1);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }
        .highlight {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .prediction-badge {
            background-color: var(--accent-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }