:root {
            --primary-color: #1a365d;
            --secondary-color: #2d3748;
            --accent-color: #e53e3e;
            --light-bg: #f7fafc;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.8;
            color: #333;
        }
        .navbar {
            background-color: rgba(26, 54, 93, 0.95);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: #fff !important;
        }
        .nav-link {
            color: #e2e8f0 !important;
            font-weight: 500;
            margin: 0 8px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 54, 93, 0.85), rgba(45, 55, 72, 0.9)), url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 180px 0 120px;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -12px;
            width: 60px;
            height: 4px;
            background-color: var(--accent-color);
        }
        .service-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
            background: #fff;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            font-size: 3rem;
            color: var(--accent-color);
            margin-bottom: 1.5rem;
        }
        .team-img {
            width: 160px;
            height: 160px;
            object-fit: cover;
            border: 5px solid #e2e8f0;
            transition: border-color 0.3s;
        }
        .team-member:hover .team-img {
            border-color: var(--accent-color);
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        footer {
            background-color: var(--secondary-color);
            color: #cbd5e0;
        }
        .flink {
            display: inline-block;
            padding: 8px 16px;
            margin: 5px;
            background: #4a5568;
            color: #e2e8f0;
            border-radius: 6px;
            text-decoration: none;
            transition: background 0.3s;
        }
        .flink:hover {
            background: var(--accent-color);
            color: white;
        }
        .btn-custom {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 12px 28px;
            border-radius: 6px;
            font-weight: 600;
            transition: background 0.3s;
        }
        .btn-custom:hover {
            background-color: #c53030;
            color: white;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .news-card {
            border-left: 4px solid var(--accent-color);
            transition: transform 0.3s;
        }
        .news-card:hover {
            transform: translateX(5px);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 80px;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }