:root {
            --primary-color: #0056b3;
            --secondary-color: #f8f9fa;
            --accent-color: #ffc107;
            --text-dark: #333;
            --text-light: #666;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
        }
        .nav-link {
            color: var(--text-dark) !important;
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            transition: all 0.3s ease;
            border-radius: 4px;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color) !important;
            background-color: rgba(0, 86, 179, 0.05);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 40, 100, 0.85), rgba(0, 40, 100, 0.9)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') no-repeat center center/cover;
            color: white;
            padding: 8rem 0;
            margin-top: 76px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 3rem;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background: var(--accent-color);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), #007bff);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #004494;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 86, 179, 0.3);
        }
        footer {
            background-color: #1a1a2e;
            color: #ccc;
            padding-top: 3rem;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
        }
        .flink {
            display: inline-block;
            padding: 0.4rem 1rem;
            margin: 0.3rem;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .flink:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .contact-info li {
            margin-bottom: 1rem;
            padding-left: 1.8rem;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--accent-color);
        }
        .img-hover-zoom {
            overflow: hidden;
            border-radius: 8px;
        }
        .img-hover-zoom img {
            transition: transform 0.5s ease;
        }
        .img-hover-zoom:hover img {
            transform: scale(1.05);
        }
        .breadcrumb {
            background-color: transparent;
            padding: 1rem 0;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 5rem 0;
                text-align: center;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }