:root {
            --primary: #0a3d62;
            --secondary: #1e88e5;
            --accent: #ff6b6b;
            --light: #f8f9fa;
            --dark: #222f3e;
            --success: #1dd1a1;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            overflow-x: hidden;
            line-height: 1.7;
        }
        .gradient-bg {
            background: linear-gradient(135deg, var(--primary) 0%, #1a5276 100%);
        }
        .hero-section {
            padding: 180px 0 120px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .nav-shadow {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15) !important;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px;
            background: var(--light);
            border-radius: 8px;
            border: 1px solid #dee2e6;
            transition: all 0.3s;
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--secondary);
            color: white;
            border-color: var(--secondary);
            transform: scale(1.05);
        }
        .stadium-pattern {
            background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.05) 1px, transparent 0);
            background-size: 20px 20px;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1;
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(30, 136, 229, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 28px;
            color: var(--secondary);
        }
        .news-img {
            height: 200px;
            object-fit: cover;
            border-radius: 8px 8px 0 0;
        }
        footer a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .contact-box {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 25px;
            border-left: 4px solid var(--accent);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 140px 0 80px;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }