:root {
            --primary-color: #1a5fb4;
            --secondary-color: #ff6b35;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --success-color: #28a745;
            --text-color: #333;
            --text-light: #666;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .gradient-bg {
            background: linear-gradient(135deg, var(--primary-color) 0%, #0d3b8a 100%);
        }
        .navbar {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            padding: 180px 0 120px;
            background: linear-gradient(rgba(26, 95, 180, 0.9), rgba(13, 59, 138, 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;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            opacity: 0.95;
        }
        .btn-primary-custom {
            background: var(--secondary-color);
            border: none;
            padding: 12px 35px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background: #e05a2b;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
        }
        .section-title {
            position: relative;
            padding-bottom: 20px;
            margin-bottom: 60px;
            text-align: center;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .feature-card {
            background: white;
            border-radius: 15px;
            padding: 40px 30px;
            text-align: center;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #eee;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-color), #2d8bff);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 2rem;
        }
        .stats-counter {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .news-card {
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        .news-card:hover {
            transform: translateY(-8px);
        }
        .news-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .news-date {
            color: var(--secondary-color);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .match-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 20px;
            border-left: 5px solid var(--secondary-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .match-card:hover {
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .team-logo {
            width: 60px;
            height: 60px;
            object-fit: contain;
        }
        .score-display {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark-color);
        }
        .analysis-chart {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
        }
        .footer {
            background: var(--dark-color);
            color: #aaa;
            padding-top: 70px;
            padding-bottom: 30px;
        }
        .footer h5 {
            color: white;
            margin-bottom: 25px;
            font-weight: 600;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 20px;
            margin-top: 50px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            border-radius: 8px;
            margin: 8px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid #e0e0e0;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 95, 180, 0.2);
            border-color: var(--primary-color);
        }
        .contact-info {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), #2d8bff);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .mobile-nav-trigger {
            display: none;
        }
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .navbar-collapse {
                background: white;
                padding: 20px;
                border-radius: 10px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                margin-top: 15px;
            }
            .mobile-nav-trigger {
                display: block;
            }
            .stats-counter {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 150px 0 80px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .feature-card {
                padding: 30px 20px;
                margin-bottom: 25px;
            }
        }
        .flink-section {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 80px 0;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-color);
            transform: translateY(-5px);
        }