:root {
            --primary: #1a4f8c;
            --secondary: #e63946;
            --accent: #2a9d8f;
            --light: #f8f9fa;
            --dark: #343a40;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.7;
        }
        .flink {
            display: inline-block;
            padding: 8px 16px;
            margin: 5px;
            background-color: #f1f8ff;
            border-radius: 4px;
            border: 1px solid #d1e3ff;
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 79, 140, 0.85), rgba(26, 79, 140, 0.9)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0 80px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--secondary);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(26, 79, 140, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary);
            font-size: 28px;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        .contact-box {
            background-color: #f8f9fa;
            border-left: 4px solid var(--primary);
            padding: 25px;
            border-radius: 0 8px 8px 0;
        }
        footer {
            background-color: #2c3e50;
            color: #ecf0f1;
        }
        .footer-link {
            color: #bdc3c7;
            text-decoration: none;
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        .nav-link {
            font-weight: 500;
        }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background-color: #153a6b;
            border-color: #153a6b;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
            }
            .display-4 {
                font-size: 2.2rem;
            }
        }