/* 页面标题区域 */
        .page-header {
            background: linear-gradient(rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.8)), url('https://images.unsplash.com/photo-1497366672149-e5e4b4d34eb3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 60px;
        }
        
        @media (max-width: 992px) {
            .page-header {
                padding: 80px 0 40px;
            }
        }
        
        .page-title {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        @media (max-width: 768px) {
            .page-title {
                font-size: 2.2rem;
            }
        }
        
        .page-subtitle {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            max-width: 700px;
        }
        
        /* 服务列表区域 */
        .services-section {
            padding: 80px 0;
        }
        
        .service-filter {
            background-color: #F9FAFB;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 3rem;
        }
        
        .filter-btn {
            border: 1px solid #E5E7EB;
            background: white;
            color: var(--dark-gray);
            padding: 0.5rem 1.5rem;
            border-radius: 20px;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            transition: all 0.2s;
        }
        
        .filter-btn:hover, .filter-btn.active {
            background-color: #1E3A8A;
            color: white;
            border-color: #1E3A8A;
        }
        
        /* 服务卡片 */
        .service-card {
            border-radius: 10px;
            border: 1px solid #E5E7EB;
            overflow: hidden;
            height: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
            margin-bottom: 1.5rem;
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
        }
        
        .service-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        
        .service-body {
            padding: 1.5rem;
        }
        
        .service-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background-color: rgba(14, 165, 233, 0.1);
            color: #0EA5E9;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-bottom: 0.5rem;
        }
        
        .service-features {
            list-style: none;
            padding-left: 0;
            margin-bottom: 1.5rem;
        }
        
        .service-features li {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: flex-start;
        }
        
        .service-features li i {
            color: #0EA5E9;
            margin-right: 0.5rem;
            margin-top: 0.2rem;
        }
        
        /* 服务对比表 */
        .comparison-section {
            background-color: #F9FAFB;
            padding: 80px 0;
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            background: white;
        }
        
        .comparison-table th {
            background-color: #1E3A8A;
            color: white;
            padding: 1rem;
            text-align: left;
            font-weight: 600;
        }
        
        .comparison-table td {
            padding: 1rem;
            border-bottom: 1px solid #E5E7EB;
        }
        
        .comparison-table tr:nth-child(even) {
            background-color: #F9FAFB;
        }
        
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        
        .check-mark {
            color: #10B981;
            font-weight: bold;
        }
        
        /* 常见问题 */
        .faq-section {
            padding: 80px 0;
        }
        
        .faq-item {
            border-bottom: 1px solid #E5E7EB;
            padding: 1.5rem 0;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        .faq-question {
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            margin-top: 0;
        }
        
        .faq-answer.show {
            max-height: 300px;
            margin-top: 1rem;
        }
        
        /* 服务咨询CTA */
        .service-cta {
            background-color: #1E3A8A;
            color: white;
            padding: 4rem 0;
            border-radius: 10px;
        }
        
        /* 按钮样式 */
        .btn-primary {
            background-color: #1E3A8A;
            border-color: #1E3A8A;
            padding: 0.75rem 1.5rem;
            font-weight: 500;
            border-radius: 8px;
        }
        
        .btn-primary:hover {
            background-color: #1e3a8ae6;
            border-color: #1e3a8ae6;
        }
        
        .btn-outline-primary {
            border-radius: 8px;
            padding: 0.75rem 1.5rem;
            font-weight: 500;
        }
        

        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .fade-in-up {
            animation: fadeInUp 0.6s ease-out;
        }
        
        /* 服务分类标签 */
        .service-category {
            margin-bottom: 3rem;
        }
        
        .category-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #0EA5E9;
            display: inline-block;
        }