:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #1abc9c;
            --light-color: #ecf0f1;
            --dark-color: #34495e;
            --text-color: #333;
            --text-light: #7f8c8d;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: var(--text-color);
            line-height: 1.6;
        }
        
        a {
            text-decoration: none;
            color: var(--secondary-color);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--accent-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 头部样式 */
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo h1 {
            font-size: 24px;
            margin-left: 10px;
            font-weight: 600;
        }
        
        .logo-icon {
            font-size: 28px;
            color: var(--accent-color);
        }
        
        .contact-info {
            display: flex;
            align-items: center;
        }
        
        .phone {
            font-size: 18px;
            font-weight: bold;
            margin-right: 20px;
        }
        
        nav {
            background-color: var(--dark-color);
            margin-top: 15px;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            position: relative;
        }
        
        .nav-menu a {
            display: block;
            padding: 15px 20px;
            color: white;
            font-weight: 500;
        }
        
        .nav-menu a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .nav-menu .active a {
            background-color: var(--accent-color);
        }
        
        /* 主要内容区域 */
        .main-content {
            padding: 30px 0;
            min-height: 500px;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-light);
        }
        
        .breadcrumb a {
            color: var(--secondary-color);
        }
        
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        
        /* 页面标题 */
        .page-title {
            font-size: 32px;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-color);
            color: var(--primary-color);
        }
        
        /* 栏目介绍 */
        .category-intro {
            background: white;
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            line-height: 1.8;
        }
        
        /* 两列布局 */
        .two-column {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }
        
        /* 侧边栏 */
        .sidebar {
            background: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .sidebar-title {
            font-size: 18px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--light-color);
            color: var(--primary-color);
        }
        
        .sidebar-list {
            list-style: none;
        }
        
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--light-color);
        }
        
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        
        /* 文章列表 */
        .article-list {
            list-style: none;
        }
        
        .article-item {
            background: white;
            border-radius: 8px;
            padding: 0;
            margin-bottom: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
        }
        
        .article-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .article-image {
            width: 100%;
            height: 200px;
            background-color: var(--light-color);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }
        
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-item:hover .article-image img {
            transform: scale(1.05);
        }
        
        .article-image .image-placeholder {
            color: var(--text-light);
            font-size: 14px;
            text-align: center;
            padding: 20px;
        }
        
        .article-content-wrapper {
            padding: 20px;
        }
        
        .article-title {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .article-meta {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .article-meta .category {
            background: var(--secondary-color);
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 12px;
            margin-right: 10px;
        }
        
        .article-excerpt {
            color: var(--text-color);
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        /* 内容页样式 */
        .article-content {
            background: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .article-content h1 {
            font-size: 28px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .article-content h2 {
            font-size: 22px;
            margin: 25px 0 15px;
            color: var(--dark-color);
        }
        
        .article-content p {
            margin-bottom: 15px;
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        
        .article-content th, .article-content td {
            padding: 12px 15px;
            border: 1px solid var(--light-color);
            text-align: left;
        }
        
        .article-content th {
            background-color: var(--light-color);
            font-weight: 600;
        }
        
        .article-tags {
            margin: 20px 0;
            padding-top: 15px;
            border-top: 1px solid var(--light-color);
        }
        
        .tag {
            display: inline-block;
            background: var(--light-color);
            color: var(--text-color);
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 12px;
            margin-right: 5px;
            margin-bottom: 5px;
        }
        
        /* 案例特殊样式 */
        .case-details {
            margin: 20px 0;
        }
        
        .case-image-large {
            width: 100%;
            height: 300px;
            background-color: var(--light-color);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            border-radius: 8px;
            color: var(--text-light);
            overflow: hidden;
        }
        
        .case-image-large img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .case-info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        
        .case-info-table th, .case-info-table td {
            padding: 12px 15px;
            border: 1px solid var(--light-color);
            text-align: left;
        }
        
        .case-info-table th {
            background-color: var(--light-color);
            font-weight: 600;
            width: 30%;
        }
        
        /* 页脚样式 */
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 40px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-section h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--accent-color);
        }
        
        .footer-section p {
            margin-bottom: 10px;
            font-size: 14px;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .two-column {
                grid-template-columns: 1fr;
            }
            
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .contact-info {
                margin-top: 15px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                flex-direction: column;
            }
            
            .article-content {
                padding: 20px;
            }
            
            .page-title {
                font-size: 26px;
            }
        }
        
        /* 特殊效果 */
        .tech-badge {
            display: inline-block;
            background: var(--secondary-color);
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 12px;
            margin-right: 5px;
            margin-bottom: 5px;
        }
        
        .read-more {
            display: inline-block;
            background: var(--secondary-color);
            color: white;
            padding: 8px 15px;
            border-radius: 4px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .read-more:hover {
            background: var(--accent-color);
            color: white;
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }
        
        .pagination a {
            display: inline-block;
            padding: 8px 15px;
            margin: 0 5px;
            border: 1px solid var(--light-color);
            border-radius: 4px;
            color: var(--text-color);
        }
        
        .pagination a:hover, .pagination .active {
            background: var(--secondary-color);
            color: white;
            border-color: var(--secondary-color);
        }
        
        /* 隐藏/显示内容 */
        .page {
            display: none;
        }
        
        .active-page {
            display: block;
        }
.search{float:left;margin-left:40px;margin-top:8px}
.search .text{width:120px;height:40px;font-size:16px;border:none;text-indent:35px;color:#000;font-family:"Microsoft Yahei","冬青黑体简体中文 w3";outline:0;border-radius:5;transition:all .6s;background:url(../images/search.png) no-repeat 10px 13px;background-size:18px auto;border-radius:5px}
.search .text:focus{width:153px;color:#000;background:#fff url(../images/search.png) no-repeat 10px 13px;background-size:18px auto}