/* 页面标题 */
        .page-header {
            margin-top: 100px;
            padding: 60px 0;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--secondary-color);
        }
        
        .breadcrumb {
            display: flex;
            justify-content: center;
            list-style: none;
        }
        
        .breadcrumb li {
            margin: 0 10px;
        }
        
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--secondary-color);
        }
        
        /* 服务分类 */
        .service-categories {
            padding: 80px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .section-title p {
            color: #718096;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .category-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            text-align: center;
            padding: 30px 20px;
            border-bottom: 4px solid transparent;
        }
        
        .category-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            border-bottom: 4px solid var(--secondary-color);
        }
        
        .category-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        
        .category-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .category-card p {
            color: #718096;
            margin-bottom: 20px;
        }
        
        .category-card .btn {
            display: inline-block;
            padding: 8px 20px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 4px;
            transition: var(--transition);
        }
        
        .category-card .btn:hover {
            background-color: var(--secondary-color);
            color: var(--primary-color);
        }
        
        /* 资质许可列表 */
        .qualifications-list {
            padding: 80px 0;
            background-color: var(--gray-color);
        }
        
        .qualification-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .qualification-item {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .qualification-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .qualification-header {
            padding: 20px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .qualification-icon {
            font-size: 2rem;
            color: var(--secondary-color);
        }
        
        .qualification-title {
            flex: 1;
        }
        
        .qualification-title h3 {
            font-size: 1.5rem;
            margin-bottom: 5px;
        }
        
        .qualification-body {
            padding: 20px;
        }
        
        .qualification-features {
            margin-bottom: 20px;
        }
        
        .feature-item {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
        }
        
        .feature-item:last-child {
            border-bottom: none;
        }
        
        .feature-item h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
            color: var(--primary-color);
        }
        
        .view-details {
            display: inline-block;
            margin-top: 10px;
            color: var(--accent-color);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .view-details:hover {
            color: var(--secondary-color);
        }
        
        .view-details i {
            margin-left: 5px;
            font-size: 0.8rem;
        }
        
        /* 为什么选择我们 */
        .why-choose {
            padding: 80px 0;
            background-color: white;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .advantage-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            text-align: center;
            padding: 30px 20px;
            border-bottom: 4px solid transparent;
        }
        
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            border-bottom: 4px solid var(--secondary-color);
        }
        
        .advantage-icon {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        
        .advantage-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .advantage-card p {
            color: #718096;
        }
        
        /* 常见问题 */
        .faq-section {
            padding: 80px 0;
            background-color: var(--gray-color);
        }
        
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .faq-item {
            background-color: white;
            border-radius: 8px;
            margin-bottom: 20px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .faq-question {
            padding: 20px;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-color);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-question i {
            transition: var(--transition);
        }
        
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        /* 行动号召 */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--secondary-color);
        }
        
        .cta-section p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
        }
        
        .btn:hover {
            background-color: #c19b2e;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
               /* 响应式设计 */
        @media (max-width: 992px) {
            .header-container {
                flex-direction: column;
                padding: 15px 20px;
            }
            
            nav ul {
                margin: 15px 0;
            }
            
            .qualification-features {
                grid-template-columns: 1fr;
            }
            
            .process-steps {
                flex-direction: column;
                gap: 40px;
            }
            
            .process-steps::before {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 5px 10px;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .qualification-header {
                flex-direction: column;
                text-align: center;
            }
            
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            
            .qualification-tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .qualification-tab {
                width: 100%;
                max-width: 300px;
                text-align: center;
            }
            
            .qualification-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .page-header {
                margin-top: 130px;
                padding: 40px 0;
            }
            
            .footer-content {
                flex-direction: column;
            }
        }