:root {
            --primary-color: #1a237e;
            --secondary-color: #ff9800;
            --accent-color: #4caf50;
            --light-bg: #f5f5f5;
            --dark-text: #333333;
            --light-text: #666666;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.5rem;
        }
        .navbar-brand i {
            color: var(--secondary-color);
            margin-right: 8px;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #283593 100%);
            color: white;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1471&q=80') no-repeat center center/cover;
            opacity: 0.15;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            max-width: 800px;
        }
        .section-title {
            position: relative;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 2.5rem;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .section-title.center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 2rem;
            height: 100%;
            transition: var(--transition);
            border-top: 4px solid transparent;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            border-top-color: var(--secondary-color);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
        }
        .data-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 1.5rem;
            text-align: center;
            transition: var(--transition);
        }
        .data-card:hover {
            transform: scale(1.05);
        }
        .data-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-color);
            margin: 10px 0;
        }
        .match-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            transition: var(--transition);
            border-left: 4px solid var(--accent-color);
        }
        .match-card:hover {
            transform: translateX(5px);
        }
        .team-logo {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #eee;
        }
        .live-badge {
            background-color: #f44336;
            color: white;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .odds-table {
            width: 100%;
            border-collapse: collapse;
        }
        .odds-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 12px;
            text-align: center;
        }
        .odds-table td {
            padding: 12px;
            text-align: center;
            border-bottom: 1px solid #eee;
        }
        .odds-table tr:hover {
            background-color: #f9f9f9;
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
            padding: 10px 25px;
            font-weight: 600;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: #283593;
            border-color: #283593;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        .footer {
            background-color: #1a1a2e;
            color: #ddd;
            padding: 60px 0 20px;
        }
        .footer-links h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-weight: 600;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
            color: #999;
        }
        .friendlink-section {
            background-color: var(--light-bg);
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 10px 20px;
            margin: 5px 10px;
            border-radius: var(--border-radius);
            color: var(--dark-text);
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            font-weight: 500;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .news-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-content {
            padding: 1.5rem;
        }
        .news-date {
            color: var(--light-text);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .news-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--dark-text);
            line-height: 1.4;
        }
        .news-excerpt {
            color: var(--light-text);
            font-size: 0.95rem;
        }
        .mobile-menu-btn {
            border: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .expert-card {
            text-align: center;
            padding: 1.5rem;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .expert-card:hover {
            transform: translateY(-5px);
        }
        .expert-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--secondary-color);
            margin: 0 auto 1rem;
        }
        .expert-name {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 5px;
        }
        .expert-title {
            color: var(--light-text);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        .expert-stats {
            display: flex;
            justify-content: space-around;
            margin-top: 15px;
        }
        .stat-value {
            font-weight: 700;
            color: var(--primary-color);
            font-size: 1.2rem;
        }
        .stat-label {
            font-size: 0.8rem;
            color: var(--light-text);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .data-value {
                font-size: 1.8rem;
            }
        }