      
        /* 英雄区域样式 */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #1a3a8f 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/template/jia/images/1.jpg') no-repeat center center/cover;
            opacity: 0.2;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
        }
        
        .hero-content h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero-content h1 span {
            color: var(--secondary);
        }
        
        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .hero-buttons {
            display: flex;
            gap: 15px;
        }
        
        /* 服务特色区域 */
        .features {
            padding: 80px 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background: white;
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 0;
            background: var(--secondary);
            transition: var(--transition);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-card:hover::before {
            height: 100%;
        }
        
        .feature-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        /* 服务详情区域 */
        .service-details {
            padding: 80px 0;
            background-color: white;
        }
        
        .details-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .tab-btn {
            background: none;
            border: none;
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }
        
        .tab-btn.active {
            color: var(--primary);
            border-bottom: 3px solid var(--secondary);
        }
        
        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease forwards;
        }
        
        .tab-content.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--secondary);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
            width: 100%;
        }
        
        .timeline-content {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            width: calc(50% - 40px);
            position: relative;
        }
        
        .timeline-item:nth-child(odd) .timeline-content {
            margin-right: auto;
        }
        
        .timeline-item:nth-child(even) .timeline-content {
            margin-left: auto;
        }
        
        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 20px;
            width: 20px;
            height: 20px;
            background: var(--secondary);
            border-radius: 50%;
            transform: translateX(-50%);
            z-index: 1;
        }
        
        .timeline-item:nth-child(odd) .timeline-dot {
            left: calc(50% - 1px);
        }
        
        .timeline-item:nth-child(even) .timeline-dot {
            left: calc(50% - 1px);
        }
        
        .docs-list li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }
        
        .docs-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            color: var(--secondary);
            position: absolute;
            left: 0;
            top: 0;
        }
        
        /* 软件展示区域 */
        .software-showcase {
            padding: 80px 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            position: relative;
            overflow: hidden;
        }
        
        .software-container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .software-content {
            flex: 1;
            min-width: 300px;
            padding: 30px;
        }
        
        .software-demo {
            flex: 1;
            min-width: 300px;
            position: relative;
            perspective: 1000px;
        }
        
        .software-image {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            transform: rotateY(-5deg) rotateX(5deg);
            transition: var(--transition);
        }
        
        .software-demo:hover .software-image {
            transform: rotateY(0) rotateX(0);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }
        
        .features-list li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }
        
        .features-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 5 Free';
            font-weight: 900;
            color: var(--secondary);
            position: absolute;
            left: 0;
            top: 0;
        }
        
        /* 优势区域样式 */
        .advantages {
            padding: 80px 0;
            background-color: white;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .advantage-card {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--secondary), var(--accent));
            transform: translateY(-100%);
            transition: var(--transition);
        }
        
        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .advantage-card:hover::before {
            transform: translateY(0);
        }
        
        .advantage-icon {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        
        .advantage-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        /* CTA区域 */
        .cta {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #1a3a8f 100%);
            color: white;
            text-align: center;
        }
        
        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        
  
        /* 响应式设计 */
        @media (max-width: 992px) {
            .software-container {
                flex-direction: column;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-content {
                width: calc(100% - 80px);
                margin-left: 80px !important;
            }
            
            .timeline-dot {
                left: 30px !important;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            
            nav {
                margin-top: 20px;
                width: 100%;
                display: none;
            }
            
            nav.active {
                display: block;
            }
            
            nav ul {
                flex-direction: column;
            }
            
            nav ul li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
                position: absolute;
                right: 15px;
                top: 15px;
            }
            
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .hero-buttons {
                flex-direction: column;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }