/* 横幅样式 */
        .banner {
            position: relative;
            height: 70vh;
            margin-top: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            overflow: hidden;
        }
        
        .banner-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
        }
        
        .banner-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(26, 58, 108, 0.7);
            z-index: -1;
        }
        
        .banner-content {
            max-width: 800px;
            padding: 0 20px;
            z-index: 1;
            animation: fadeInUp 1s ease;
        }
        
        .banner-content h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
        }
        
        .banner-content p {
            font-size: 1.5rem;
            margin-bottom: 30px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
        }
        
        .banner-highlight {
            color: #4a8cff;
            font-weight: 700;
        }
        
        /* 服务板块样式 */
        .services-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 50px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .tab-btn {
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            color: #666;
            background: none;
            border: none;
            cursor: pointer;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .tab-btn::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 0;
            height: 3px;
            background: #4a8cff;
            transition: width 0.3s ease;
        }
        
        .tab-btn.active {
            color: #1a3a6c;
        }
        
        .tab-btn.active::after {
            width: 100%;
        }
        
        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.5s ease;
            position: relative;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .service-card.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, #1a3a6c, #4a8cff);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }
        
        .service-card:hover::before {
            transform: scaleX(1);
        }
        
        .service-icon {
            font-size: 3.5rem;
            color: #4a8cff;
            margin-bottom: 25px;
            transition: all 0.5s ease;
            text-align: center;
            padding-top: 30px;
        }
        
        .service-card:hover .service-icon {
            transform: scale(1.1) rotate(5deg);
        }
        
        .service-content {
            padding: 0 30px 30px;
        }
        
        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: #1a3a6c;
            transition: all 0.3s ease;
            text-align: center;
        }
        
        .service-card:hover h3 {
            color: #4a8cff;
        }
        
        .service-card p {
            color: #666;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .service-details {
            background: #f5f7fa;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
        }
        
        .service-details h4 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: #1a3a6c;
        }
        
        .service-details ul {
            margin-left: 20px;
        }
        
        .service-details li {
            margin-bottom: 5px;
            color: #666;
            position: relative;
            padding-left: 15px;
        }
        
        .service-details li::before {
            content: '•';
            color: #4a8cff;
            position: absolute;
            left: 0;
        }
        
        .service-price {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .price {
            font-size: 1.8rem;
            font-weight: 700;
            color: #4a8cff;
            position: relative;
            display: inline-block;
        }
        
        .price::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #4a8cff;
            transition: width 0.5s ease;
        }
        
        .service-card:hover .price::after {
            width: 100%;
        }
        
        .service-cycle {
            color: #666;
            font-size: 0.9rem;
        }
        
        /* 详情查看样式 */
        .detail-link {
            display: inline-block;
            color: #4a8cff;
            font-weight: 600;
            position: relative;
            padding: 5px 0;
            transition: all 0.3s ease;
            width: 100%;
            text-align: center;
        }
        
        .detail-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4a8cff;
            transition: width 0.3s ease;
        }
        
        .detail-link:hover {
            color: #1a3a6c;
            transform: translateX(5px);
        }
        
        .detail-link:hover::after {
            width: 100%;
        }
        
        .detail-link i {
            margin-left: 5px;
            transition: transform 0.3s ease;
        }
        
        .detail-link:hover i {
            transform: translateX(5px);
        }
        
        /* 优势样式 */
        .advantages {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .advantage-item {
            text-align: center;
            padding: 40px 25px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.5s ease;
            position: relative;
            overflow: hidden;
        }
        
        .advantage-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(74, 140, 255, 0.1), transparent);
            transition: left 0.7s ease;
        }
        
        .advantage-item:hover::before {
            left: 100%;
        }
        
        .advantage-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
        
        .advantage-icon {
            font-size: 3rem;
            color: #4a8cff;
            margin-bottom: 25px;
            transition: all 0.5s ease;
        }
        
        .advantage-item:hover .advantage-icon {
            transform: scale(1.1);
        }
        
        .advantage-item h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #1a3a6c;
        }
        
        .advantage-item p {
            line-height: 1.6;
            color: #666;
        }
        
        /* 服务流程样式 */
        .process-container {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .process-line {
            position: absolute;
            top: 50px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(to right, #1a3a6c, #4a8cff);
            z-index: 1;
            animation: lineFlow 3s infinite linear;
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            z-index: 2;
        }
        
        .process-step {
            text-align: center;
            width: 20%;
            animation: pulse 2s infinite;
        }
        
        .step-icon {
            width: 100px;
            height: 100px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            font-size: 2.5rem;
            color: #4a8cff;
            position: relative;
            transition: all 0.5s ease;
        }
        
        .process-step:hover .step-icon {
            transform: scale(1.1);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .step-number {
            position: absolute;
            top: -10px;
            right: -10px;
            width: 30px;
            height: 30px;
            background: #4a8cff;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
        }
        
        .process-step h3 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: #1a3a6c;
            line-height: 1.4;
        }
        
        .process-step p {
            line-height: 1.6;
            padding: 0 10px;
            color: #666;
        }
        
      
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
            }
        }
        
        @keyframes lineFlow {
            0% {
                background-position: -100% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .process-steps {
                flex-wrap: wrap;
            }
            
            .process-step {
                width: 50%;
                margin-bottom: 30px;
            }
            
            .process-line {
                display: none;
            }
            
            .header-phone {
                font-size: 1rem;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: left 0.3s ease;
            }
            
            nav ul.active {
                left: 0;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .banner-content h1 {
                font-size: 2.5rem;
            }
            
            .banner-content p {
                font-size: 1.2rem;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
            }
            
            .process-step {
                width: 100%;
            }
            
            .header-phone {
                display: none;
            }
            
            .services-tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .tab-btn {
                width: 100%;
                text-align: center;
                margin-bottom: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .section {
                padding: 60px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .banner-content h1 {
                font-size: 2rem;
            }
            
            .footer-links {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
        }