/* 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-1584622650111-993a426fbf0a?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;
        }
        
        /* 服务介绍区域 */
        .service-intro {
            padding: 80px 0;
        }
        
        .problem-box {
            background-color: #FEF2F2;
            border-left: 4px solid #EF4444;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        
        .solution-box {
            background-color: #F0F9FF;
            border-left: 4px solid #0EA5E9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        
        .feature-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(16, 185, 129, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: #10B981;
            font-size: 1.8rem;
        }
        
        .feature-card {
            border-radius: 10px;
            border: 1px solid #E5E7EB;
            padding: 2rem;
            height: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
        }
        
        /* 材料展示 */
        .material-section {
            background-color: #F9FAFB;
            padding: 80px 0;
        }
        
        .material-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            height: 100%;
        }
        
        .material-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        
        .material-body {
            padding: 1.5rem;
        }
        
        .material-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background-color: #10B981;
            color: white;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-bottom: 0.5rem;
        }
        
        /* 安装流程 */
        .process-step {
            position: relative;
            padding-left: 3rem;
            margin-bottom: 2.5rem;
        }
        
        .process-step:before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            background-color: #10B981;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .process-step:nth-child(1):before { content: "1"; }
        .process-step:nth-child(2):before { content: "2"; }
        .process-step:nth-child(3):before { content: "3"; }
        .process-step:nth-child(4):before { content: "4"; }
        .process-step:nth-child(5):before { content: "5"; }
        
        /* 适用场景 */
        .scenario-section {
            padding: 80px 0;
        }
        
        .scenario-item {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            height: 100%;
            border: 1px solid #E5E7EB;
        }
        
        .scenario-img {
            height: 150px;
            object-fit: cover;
            width: 100%;
        }
        
        .scenario-body {
            padding: 1.5rem;
        }
        
        /* 技术参数表 */
        .spec-table {
            width: 100%;
            border-collapse: collapse;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .spec-table th {
            background-color: #F9FAFB;
            color: white;
            padding: 1rem;
            text-align: left;
        }
        
        .spec-table td {
            padding: 1rem;
            border-bottom: 1px solid #E5E7EB;
        }
        
        .spec-table tr:nth-child(even) {
            background-color: #F9FAFB;
        }
        
        .spec-table tr:last-child td {
            border-bottom: none;
        }
        
        /* 案例展示 */
        .case-item {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            height: 280px;
            margin-bottom: 1.5rem;
        }
        
        .case-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .case-item:hover .case-img {
            transform: scale(1.05);
        }
        
        .case-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
            color: white;
            padding: 1.5rem;
        }
        
        /* FAQ部分 */
        .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: #F9FAFB;
            color: white;
            padding: 4rem 0;
            border-radius: 10px;
        }
        
        /* 按钮样式 */
        .btn-primary {
            background-color: #F9FAFB;
            border-color: #F9FAFB;
            padding: 0.75rem 2rem;
            font-weight: 500;
            border-radius: 8px;
        }
        
        .btn-primary:hover {
            background-color: #F9FAFBe6;
            border-color: #F9FAFBe6;
        }
        
        .btn-accent {
            background-color: #10B981;
            border-color: #10B981;
            padding: 0.75rem 2rem;
            font-weight: 500;
            border-radius: 8px;
            color: white;
        }
        
        .btn-accent:hover {
            background-color: #0DA271;
            border-color: #0DA271;
            color: white;
        }
        
 
        
        /* 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;
        }