        /* 主内容区 */
        .main-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            display: flex;
        }
        
        /* 左侧导航栏 - 桌面版 */
        .left-nav {
            width: 30%;
			min-width: 280px;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .nav-widget {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 15px;
            margin-bottom: 20px;
        }
        
        .nav-title {
            color: #1565c0;
            font-size: 18px;
            font-weight: bold;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 15px;
        }
        
        .nav-menu {
            list-style: none;
			overflow: hidden; 
        }
        
        .nav-menu li {
            margin-bottom: 10px;
            width: 33.333%;
            float: left;
            clear: none;
        }
        .nav-menu li a {
            color: #333;
            text-decoration: none;
            display: block;
            padding: 8px 10px;
            border-left: 3px solid transparent;
            transition: all 0.3s;
            width: 100%;
            box-sizing: border-box;
        }
        
        .nav-menu li a:hover {
            color: #1976d2;
            border-left-color: #1976d2;
            background-color: #e3f2fd;
        }
        
        .nav-menu li.active  a {
            color: #1565c0;
            font-weight: bold;
            border-left-color: #1565c0;
            background-color: #e3f2fd;
        }
/* 清除浮动 - 备用方案 */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
} 
	
        
        .sidebar-widget {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 15px;
            margin-bottom: 20px;
        }

		
        .sidebar-title {
            color: #1565c0;
            font-size: 16px;
            font-weight: bold;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 15px;
        }
        
        .sidebar-menu {
            list-style: none;
        }
        
        .sidebar-menu li {
            margin-bottom: 10px;
        }
        
        .sidebar-menu li a {
            color: #333;
            text-decoration: none;
            display: block;
            padding: 5px 0;
            transition: color 0.3s;
        }
        
        .sidebar-menu li a:hover {
            color: #1976d2;
        }
        
        .sidebar-menu li.active  a {
            color: #1565c0;
            font-weight: bold;
        }
  		
        /* 新闻搜索 */
        .news-search {
            position: relative;
            margin-bottom: 15px;
        }
        
        .news-search input {
            width: 100%;
            padding: 10px 15px;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            padding-right: 40px;
        }
        
        .news-search button {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 40px;
            background: transparent;
            border: none;
            color: #1565c0;
            cursor: pointer;
        }
        
        /* 右侧内容区 */
        .right-content {
            flex: 1;
        }
		
       /* 图片展示区 */
        .photo-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .photo-item {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            overflow: hidden;
            transition: transform 0.3s;
        }
        
        .photo-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .photo-image {
            position: relative;
			width: 100%;
            overflow: hidden;
        }
        
        .photo-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .photo-item:hover .photo-image img {
            transform: scale(1.05);
        }
        
        .photo-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
            opacity: 0;
            transition: opacity 0.3s;
            display: flex;
            align-items: flex-end;
            padding: 10px;
            color: white;
        }
        
        .photo-item:hover .photo-overlay {
            opacity: 1;
        }
        
        .photo-meta {
            font-size: 12px;
            color: rgba(255,255,255,0.9);
        }
        
        .photo-info {
			width: 100%;
            padding: 15px;
        }
        
        .photo-title {
            font-size: 16px;
            font-weight: bold;
			text-align: center;
            color: #333;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            }
        
        .photo-stats {
            display: flex;
            justify-content: space-between;
            color: #999;
            font-size: 12px;
        }
        
        .photo-stat {
            display: flex;
            align-items: center;
        }
        
        .photo-stat i {
            margin-right: 5px;
            color: #1565c0;
        }

        /* 内容区域 */
        .content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            display: flex;
        }
        
        /* 左侧导航栏 - 桌面版 */
        .left-sidebar {
            width: 280px;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .sidebar-widget {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 15px;
            margin-bottom: 20px;
        }
        
        .sidebar-title {
            color: #1565c0;
            font-size: 16px;
            font-weight: bold;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 15px;
        }
        
        .sidebar-menu {
            list-style: none;
        }
        
        .sidebar-menu li {
            margin-bottom: 10px;
        }
        
        .sidebar-menu li a {
            color: #333;
            text-decoration: none;
            display: block;
            padding: 5px 0;
            transition: color 0.3s;
        }
        
        .sidebar-menu li a:hover {
            color: #1976d2;
        }
        
        .sidebar-menu li.active  a {
            color: #1565c0;
            font-weight: bold;
        }
        /* 视频主要内容区域 */
        .video-main {
            flex: 1;
        }
        
        .video-container {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 20px;
            margin-bottom: 30px;
        }
        
        /* 视频播放器 */
        .video-player {
            width: 100%;
            margin-bottom: 20px;
            position: relative;
            background-color: #000;
        }
        
        .video-player video {
            width: 100%;
            display: block;
        }
        
        .video-player-placeholder {
            width: 100%;
            height: 0;
            padding-bottom: 56.25%; /* 16:9 宽高比 */
            background-color: #e0e0e0;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 16px;
        }
        
        /* 视频信息 */
        .video-info {
            margin-bottom: 20px;
        }
        
        .video-title {
    color: #1565c0;
    font-size: 24px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
        }
        
        .video-meta {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }
        
        .video-meta-item {
            margin-right: 20px;
            color: #666;
            font-size: 14px;
        }
        
        .video-meta-item i {
            margin-right: 5px;
            color: #1565c0;
        }
        
        .video-description {
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        /* 视频操作按钮 */
        .video-actions {
            display: flex;
            margin-bottom: 20px;
        }
        
        .video-btn {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            background-color: #e3f2fd;
            color: #1565c0;
            border-radius: 4px;
            margin-right: 10px;
            text-decoration: none;
            font-size: 14px;
            transition: background 0.3s;
        }
        
        .video-btn:hover {
            background-color: #bbdefb;
        }
        
        .video-btn i {
            margin-right: 5px;
        }
        
        /* 相关视频 */
        .related-videos {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        
        .related-video-item {
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            overflow: hidden;
            transition: box-shadow 0.3s;
        }
        
        .related-video-item:hover {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .related-video-thumb {
            height: 0;
            padding-bottom: 56.25%;
            position: relative;
            background-color: #e0e0e0;
        }
        
        .related-video-thumb img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .related-video-info {
            padding: 1px;
			text-align: center;
        }
        
        .related-video-title {
            font-size: 16px;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .related-video-meta {
            font-size: 12px;
            color: #999;
        }


        
        /* 页面标题 */
        .page-title {
            color: #1565c0;
            font-size: 28px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        /* 新闻列表 */
        .news-list {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 20px;
            margin-bottom: 30px;
        }
        
        .news-item {
            padding: 15px 0;
            border-bottom: 1px solid #e0e0e0;
            display: flex;
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-thumbnail {
            width: 200px;
            flex-shrink: 0;
            margin-right: 20px;
            position: relative;
            overflow: hidden;
            border-radius: 4px;
        }
        
        .news-thumbnail img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .news-item:hover .news-thumbnail img {
            transform: scale(1.05);
        }
        
        .default-thumbnail {
            width: 100%;
            height: 120px;
            background-color: #e3f2fd;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1565c0;
            font-weight: bold;
        }
        
/*         .news-content {
            flex: 1;
        }
        
        .news-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 10px;
            color: #333;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        } */
        
        .news-title:hover {
            color: #1565c0;
        }
        
        .news-excerpt {
            color: #666;
            font-size: 14px;
            margin-bottom: 10px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .news-meta {
            display: flex;
            color: #999;
            font-size: 12px;
        }
        
        .news-meta span {
            margin-right: 15px;
            display: flex;
            align-items: center;
        }
        
        .news-meta i {
            margin-right: 5px;
            color: #1565c0;
        }
 
        /* 热门新闻小部件 */
        .hot-news-list {
            list-style: none;
        }
        
        .hot-news-list li {
            padding: 8px 0;
            border-bottom: 1px dashed #e0e0e0;
		    display: flex; /* 使用Flex布局 */
            align-items: center; /* 垂直居中对齐 */
            justify-content: space-between; /* 两端对齐，标题居左，日期居右 */
            gap: 10px; /* 两者之间的间距 */
        }
       
        .hot-news-list li:last-child {
            border-bottom: none;
        }
        
        .hot-news-list li a {
            color: #333;
            text-decoration: none;
            display: block;
            transition: color 0.3s;
        }
        
        .hot-news-list li a:hover {
            color: #1976d2;
        }		
		
        .author-list {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -5px;
        }
        
        .author-item {
            width: 50%;
            padding: 0 5px;
            margin-bottom: 10px;
            text-align: center;
        }
        
        .author-avatar {
            width: 100%;
/*          border-radius: 50%;
            object-fit: cover;
            border: 2px solid #e3f2fd;
            transition: all 0.3s; */
			float:left；
        }
        
        .author-item:hover .author-avatar {
            border-color: #1565c0;
            transform: scale(1.05);
        }
        
        .author-name {
            margin-top: 5px;
            font-size: 13px;
            color: #333;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .author-item:hover .author-name {
            color: #1565c0;
        }       

		
        /* 文章列表 - 无图精简版 */
        .article-list {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 20px;
            margin-bottom: 30px;
        }
        
        .article-item {
            padding: 12px 0;
            border-bottom: 1px solid #e0e0e0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .article-item:last-child {
            border-bottom: none;
        }
        
        .article-category {
            background-color: #e3f2fd;
            color: #1565c0;
            padding: 4px 8px;
            border-radius: 3px;
            font-size: 14px;
            width: 100px;
            text-align: center;
        }
        
        .article-title {
            flex: 1;
            padding: 0 15px;
            font-size: 16px;
        }
        
        .article-title a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .article-title a:hover {
            color: #1565c0;
        }
        
        .article-date {
            color: #999;
            font-size: 14px;
            width: 100px;
            text-align: right;
        }
 
		
        /* 分页导航 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
        }
        
        .page-item {
            margin: 0 5px;
        }
        
        .page-link {
            display: block;
            padding: 8px 12px;
            background-color: white;
            color: #333;
            border-radius: 4px;
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #e0e0e0;
        }
        
        .page-link:hover, .page-link.active  {
            background-color: #1565c0;
            color: white;
            border-color: #1565c0;
        }
        
        .page-link.disabled  {
            color: #999;
            pointer-events: none;
        }
        
        /* 热门新闻区 */
        .hot-news {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 20px;
            margin-bottom: 30px;
        }
        
        .hot-title {
            color: #1565c0;
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .hot-news-list {
            list-style: none;
        }
        
        .hot-news-item {
            padding: 10px 0;
            border-bottom: 1px dashed #e0e0e0;
        }
        
        .hot-news-item:last-child {
            border-bottom: none;
        }
        
        .hot-news-item a {
            color: #333;
            text-decoration: none;
            display: block;
            transition: color 0.3s;
            font-size: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .hot-news-item a:hover {
            color: #1565c0;
        }
        
        .hot-news-date {
            color: #999;
            font-size: 12px;
            margin-top: 5px;
            text-align: right;
        }
		
		
        /* 下载内容区域 */
        .download-main {
            flex: 1;
        }
        
        .download-container {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .download-title {
            color: #1565c0;
            font-size: 24px;
            margin-bottom: 15px;
            font-weight: bold;
        }
        
        .download-intro {
            color: #666;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        /* 下载分类 */
        .download-category {
            margin-bottom: 30px;
        }
        
        .category-title {
            color: #1976d2;
            font-size: 18px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 15px;
        }
        
        /* 下载列表 */
        .download-list {
            list-style: none;
        }
         .download-list a {
            text-decoration: none; /* 默认无下划线 */
			color:#fff;
        }
         .download-list a:visited {
            text-decoration: none; /* 默认无下划线 */
			color:#fff;
        }		
        .download-item {
            padding: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            margin-bottom: 15px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            transition: box-shadow 0.3s;
        }
        
        .download-item:hover {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .download-info {
            flex: 1;
            min-width: 200px;
        }
        
        .download-name {
            font-size: 16px;
            font-weight: bold;
            color: #333;
            margin-bottom: 5px;
        }
        .download-name a ,.download-list a:visited{
            color:#1976d2;
        }
        .download-name a:hover {
            color:#e51d07;
			font-size:16px;
        } 		
        .download-meta {
            font-size: 14px;
            color: #666;
        }
        
        .download-meta span {
            margin-right: 15px;
        }
        
        .download-desc {
            font-size: 14px;
            color: #666;
            margin-top: 10px;
            line-height: 1.6;

        }
        
        .download-btn {
            background-color: #1565c0;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 4px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: background 0.3s;
        }
        
        .download-btn:hover {
            background-color: #0d47a1;
        }
        
        /* 下载说明 */
        .download-notice {
            background-color: #e3f2fd;
            padding: 15px;
            border-radius: 4px;
            margin-top: 30px;
        }
        
        .notice-title {
            color: #1565c0;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .notice-content {
            font-size: 14px;
            line-height: 1.6;
        }
        
        .notice-content p {
            margin-bottom: 10px;
        }
        
        /* 软件下载详情内容区域 */
        .software-main {
            flex: 1;
        }
        
        .software-container {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .software-header {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
        }
        
        .software-icon {
            width: 100px;
            height: 100px;
            background-color: #e3f2fd;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .software-icon i {
            font-size: 48px;
            color: #1565c0;
        }
        
        .software-info {
            flex: 1;
        }
        
        .software-title {
            color: #1565c0;
            font-size: 24px;
            margin-bottom: 10px;
        }
        
        .software-version {
            background-color: #1565c0;
            color: white;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 14px;
            margin-left: 10px;
        }
        
        .software-meta {
            color: #666;
            margin-bottom: 15px;
        }
        
        .software-meta span {
            margin-right: 15px;
        }
        
        .software-download-btn {
            background-color: #1565c0;
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.3s;
            margin-right: 10px;
            margin-bottom: 10px;
            display: inline-block;
            text-decoration: none;
        }
        
        .software-download-btn:hover {
            background-color: #0d47a1;
        }
        
        .software-secondary-btn {
            background-color: #e3f2fd;
            color: #1565c0;
            border: 1px solid #1565c0;
        }
        
        .software-secondary-btn:hover {
            background-color: #bbdefb;
        }
        
        /* 软件介绍 */
        .software-section {
            margin-bottom: 30px;
        }
        
        .section-title {
            color: #1565c0;
            font-size: 20px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .software-description {
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        .software-features {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -10px;
        }
        
        .feature-item {
            width: 50%;
            padding: 0 10px;
            margin-bottom: 15px;
            box-sizing: border-box;
        }
        
        .feature-icon {
            color: #1565c0;
            margin-right: 8px;
        }
        
        /* 系统要求 */
        .requirements-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 20px;
        }
        
        .requirements-table th, 
        .requirements-table td {
            border: 1px solid #e0e0e0;
            padding: 10px 15px;
            text-align: left;
        }
        
        .requirements-table th {
            background-color: #e3f2fd;
            color: #1565c0;
        }
        
        /* 版本历史 */
        .version-list {
            list-style: none;
        }
        
        .version-item {
            padding: 15px;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        
        .version-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        
        .version-number {
            font-weight: bold;
            color: #1565c0;
        }
        
        .version-date {
            color: #666;
        }
        
        .version-changes {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }
        
        /* 下载选项 */
        .download-options {
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            overflow: hidden;
        }
        
        .download-option {
            display: flex;
            align-items: center;
            padding: 15px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .download-option:last-child {
            border-bottom: none;
        }
        
        .option-icon {
            font-size: 24px;
            color: #1565c0;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .option-info {
            flex: 1;
        }
        
        .option-name {
            font-weight: bold;
            margin-bottom: 5px;
        }
        
        .option-details {
            color: #666;
            font-size: 14px;
        }
        
        .option-btn {
            margin-left: 15px;
            flex-shrink: 0;
        }
        


        /* 右侧内容区，以下留言区 */
        .right-content {
            flex: 1;
        }
        
        /* 页面标题 */
        .page-title {
            color: #1565c0;
            font-size: 28px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        /* 留言表单区 */
        .message-form {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #333;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            font-size: 14px;
            transition: border 0.3s;
        }
        
        .form-control:focus {
            border-color: #1565c0;
            outline: none;
        }
        
        textarea.form-control  {
            min-height: 150px;
            resize: vertical;
        }
        
        .form-row {
            display: flex;
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .form-row .form-group {
            flex: 1;
            margin-bottom: 0;
        }
        
        .submit-btn {
            background-color: #1565c0;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .submit-btn:hover {
            background-color: #0d47a1;
        }
        
        /* 常见问题区 */
        .faq-section {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .faq-title {
            color: #1565c0;
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .faq-item {
            margin-bottom: 15px;
            border-bottom: 1px dashed #e0e0e0;
            padding-bottom: 15px;
        }
        
        .faq-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }
        
        .faq-question {
            color: #333;
            font-weight: bold;
            margin-bottom: 8px;
            font-size: 16px;
        }
        
        .faq-answer {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }
        
        /* 联系方式区 */
        .contact-info {
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            padding: 30px;
            margin-bottom: 30px;
        }
        
        .contact-title {
            color: #1565c0;
            font-size: 22px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .contact-item {
            display: flex;
            margin-bottom: 15px;
        }
        
        .contact-icon {
            color: #1565c0;
            font-size: 20px;
            margin-right: 15px;
            width: 30px;
            text-align: center;
        }
        
        .contact-content {
            flex: 1;
        }
        
        .contact-label {
            font-weight: bold;
            margin-bottom: 5px;
            color: #333;
        }
        
        .contact-text {
            color: #666;
            font-size: 14px;
        }
        
        
		
        /* 响应式设计 */
        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                text-align: center;
            }
            
            .logo, .slogan, .phone {
                margin: 5px 0;
            }
            
            /* 导航栏响应式 */
            .nav-list {
                display: none;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .mobile-nav.active  {
                display: block;
            }
            
            /* 内容区域响应式 */
            .content {
                flex-direction: column;
            }
            
            /* 左侧边栏在小屏幕下宽度为100% */
            .left-sidebar {
                width: 100%;
                margin-right: 0;
                display: block;
            }
            
            .sidebar-widget {
                width: 100%;
                margin-bottom: 15px;
            }
            
            /* 下载项响应式 */
            .download-item {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .download-info {
                margin-bottom: 15px;
            }
            
            .download-btn {
                align-self: flex-end;
            }
			           /* 软件详情响应式 */
            .software-header {
                flex-direction: column;
            }
            
            .software-icon {
                margin-right: 0;
                margin-bottom: 15px;
            }
            
            .feature-item {
                width: 100%;
            }
            
            .download-option {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .option-btn {
                margin-left: 0;
                margin-top: 10px;
                align-self: flex-end;
			}
        }
        /* 响应式设计 */
        @media (max-width: 992px) {
            .main-content {
                flex-direction: column;
            }
            /* 相关视频响应式 */


        .related-videos {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -5px;
			margin-top: 30px;
        }
        
        .related-video-item {
            width: 30%;
            padding: 0 5px;
            margin-bottom: 10px;
            text-align: center;
        }
        
        .related-video-item:hover .related-video-thumb {
            border-color: #1565c0;
            transform: scale(1.05);
        }
        
        .related-video-title {
            margin-top: 5px;
            font-size: 13px;
            color: #333;
            display: block;
            text-decoration: none;
            transition: color 0.3s;
        }
		
            .left-nav {
                width: 100%;
                margin-right: 0;
                display: flex;
                flex-wrap: wrap;
                justify-content: space-between;
            }
            
            .nav-widget,.sidebar-widget {
                width: 100%;
            }
        /* 图片展示区响应式 */
            .photo-gallery, .hot-photo-list {
                grid-template-columns: 1fr;
            }
        }

            
        @media (max-width: 768px) {
		/* 响应式调整 */

		.related-videos {
			margin-top: 30px;
            }
         .related-video-item {
            width: 30%;
            padding: 0 1px;
            margin-bottom: 10px;
            text-align: center;
            }
            .header {
                flex-direction: column;
                text-align: center;
            }
			
            .logo, .slogan, .phone {
                margin: 5px 0;
            }
            
            .nav-widget,.sidebar-widget {
                width: 100%;
            }
            
            .news-meta {
                flex-wrap: wrap;
            }
            
            .news-meta span {
                margin-bottom: 5px;
            }
						
            .news-thumbnail {display: none; visibility: hidden;}

        }