/*资料下载样式*/
/* 内页横幅 */
        #banner-area {
            height: 200px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        #banner-area h1 {
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            font-size: 28px;
            font-weight: 600;
        }
        
        /* 面包屑导航 */
        .breadcrumb-container {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            margin-bottom: 20px;
        }
        
        .breadcrumb-container nav {
            background: transparent;
            padding: 0;
            margin: 0;
        }
        
        .breadcrumb-container .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
        }
        
        .breadcrumb-container .breadcrumb-item a {
            color: #666;
        }
        
        .breadcrumb-container .breadcrumb-item.active {
            color: #333;
        }
        
        .breadcrumb-container .breadcrumb-item + .breadcrumb-item::before {
            content: " / ";
            color: #999;
        }
        
        /* 主容器 */
        #main-container {
            padding: 30px 0;
            min-height: 500px;
        }
        
        /* 搜索框 - 与列表宽度对齐 */
        .search-box {
            margin-bottom: 25px;
            max-width: 100%;
        }
        
        .search-box .input-group {
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            overflow: hidden;
        }
        
        .search-box .form-control {
            border: 1px solid #ddd;
            border-right: none;
            padding: 10px 15px;
            height: auto;
            flex: 1;
        }
        
        .search-box .form-control:focus {
            border-color: #FFB600;
            box-shadow: none;
        }
        
        .search-box .btn-primary {
            background-color: #FFB600;
            border-color: #FFB600;
            padding: 10px 25px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        
        .search-box .btn-primary:hover {
            background-color: #e6a400;
            border-color: #e6a400;
        }
        
        /* 资料类型选项卡 */
        .filetype-tabs {
            border-right: 1px solid #eee;
            padding-right: 20px;
            position: sticky;
            top: 20px;
        }
        
        .filetype-tabs .widget-title {
            font-size: 18px;
            font-weight: 600;
            color: #333;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #FFB600;
        }
        
        .filetype-tabs .nav-link {
            display: block;
            padding: 12px 15px;
            margin-bottom: 8px;
            color: #555;
            background-color: #f8f9fa;
            transition: all 0.3s ease;
            border-left: 3px solid transparent;
        }
        
        .filetype-tabs .nav-link:hover {
            background-color: #fff8e6;
            color: #FFB600;
            border-left-color: #FFB600;
        }
        
        .filetype-tabs .nav-link.active {
            background-color: #FFB600;
            color: #fff;
            border-left-color: #cc8800;
            font-weight: 500;
        }
        
        /* 文件列表容器 - 与搜索框对齐 */
        .file-list-container {
            padding-left: 10px;
        }
        
        /* 单个文件列表项 */
        .file-list {
            margin-bottom: 15px;
            border: 1px solid #bbbbbb;
            overflow: hidden;
            transition: all 0.3s ease;
            background-color: #fff;
        }
        
        .file-list:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            transform: translateY(-2px);
        }
        
        .file-list-header {
            display: flex;
            align-items: center;
            padding: 15px 20px;
            background-color: #fafafa;
            border-bottom: 1px solid #eee;
        }
        
        .file-icon {
            width: 45px;
            height: 45px;
            margin-right: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        
        /* PDF文件图标 */
        .file-icon.pdf {
            background-color: #ffb666;
            color: #d32f2f;
        }
        
        /* 视频文件图标 */
        .file-icon.video {
            background-color: #e3f2fd;
            color: #1976d2;
        }
        
        /* 通用文件图标 */
        .file-icon.general {
            background-color: #f5f5f5;
            color: #757575;
        }
        
        .file-info {
            flex: 1;
            min-width: 0;
        }
        
        .file-name {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 5px;
            word-break: break-all;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .file-meta {
            font-size: 13px;
            color: #888;
        }
        
        .file-meta span {
            margin-right: 15px;
        }
        
        /* 操作按钮样式 - 默认灰色，悬停变橙色 */
        .file-actions {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .file-actions a {
            padding: 6px 15px;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.3s ease;
            color: #6c757d;
            border: 1px solid #6c757d;
            background-color: transparent;
        }
        
        .file-actions a:hover {
            color: #fff;
            background-color: #ffb666;
            border-color: #ffb666;
        }
        
        .file-actions .no-file {
            color: #999;
            font-size: 14px;
            border: none;
            padding: 6px 15px;
        }
        
        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: #999;
            border: 1px solid #eee;
            background-color: #fafafa;
        }
        
        .empty-state-icon {
            font-size: 60px;
            margin-bottom: 15px;
            color: #ddd;
        }
        
        /* 分页 */
        .pagination-wrapper {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .pagination {
            margin: 0;
        }
        
        .pagination .page-item .page-link {
            color: #666;
            border-color: #ddd;
            margin: 0 3px;
        }
        
        .pagination .page-item.active .page-link {
            background-color: #FFB600;
            border-color: #FFB600;
            color: #fff;
        }
        
        .pagination .page-item .page-link:hover {
            color: #FFB600;
            background-color: #fff8e6;
        }
        
        /* 视频预览弹窗 */
        .modal-content {
            border: none;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
        }
        
        .modal-header {
            background-color: #f8f9fa;
            border-bottom: 1px solid #eee;
            padding: 15px 20px;
        }
        
        .modal-title {
            font-size: 16px;
            font-weight: 600;
            color: #333;
        }
        
        .modal-body {
            padding: 20px;
        }
        
        #previewVideo {
            background-color: #000;
        }
        
        /* 响应式调整 */
        @media (max-width: 991px) {
            .filetype-tabs {
                border-right: none;
                border-bottom: 1px solid #eee;
                padding-right: 0;
                padding-bottom: 20px;
                margin-bottom: 20px;
                position: static;
            }
            
            .file-list-container {
                padding-left: 0;
            }
            
            .file-list-header {
                flex-wrap: wrap;
            }
            
            .file-actions {
                width: 100%;
                margin-top: 10px;
                justify-content: flex-end;
            }
            
            .search-box {
                max-width: 100%;
            }
        }
        
        @media (min-width: 992px) {
            .search-box {
                max-width: calc(100% - 10px);
            }
        }