/* 外层容器 */
        .container1 {
            max-width: 1400px;
            margin: 40px auto;
            padding: 0 20px;
        }
        /* 顶部标题+搜索栏 */
        .page-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid #eee;
            margin-bottom: 24px;
        }
        .page-title {
            font-size: 22px;
            color: #222;
            font-weight: 500;
        }
      
        /* 列表表头 */
        .list-head {
            display: grid;
            grid-template-columns: 4fr 1fr 1fr 120px;
            padding: 14px 16px;
            background: #f8f8f8;
            font-weight: 600;
            color: #222;
            border: 1px solid #eee;
            border-bottom: none;
            border-radius: 6px 6px 0 0;
        }
        /* 资料单行列表 */
        .doc-list-wrap {
            border: 1px solid #eee;
            border-top: none;
            border-radius: 0 0 6px 6px;
        }
        .doc-row {
            display: grid;
            grid-template-columns: 4fr 1fr 1fr 120px;
            padding: 14px 16px;
            border-bottom: 1px solid #eee;
            align-items: center;
            transition: background 0.2s;
        }
        .doc-row:last-child {
            border-bottom: none;
        }
        .doc-row:hover {
            background: #f8f8f8;
        }
        .doc-name a {
            color: #0056b3;
        }
        .doc-name a:hover {
            text-decoration: underline;
        }
        .doc-size, .doc-time {
            color: #666;
            font-size: 14px;
        }
        .download-btn {
            display: inline-block;
            padding: 6px 14px;
            border: 1px solid #0056b3;
            color: #0056b3;
            border-radius: 4px;
            font-size: 14px;
            text-align: center;
            transition: 0.2s;
        }
        .download-btn:hover {
            background: #0056b3;
            color: #fff;
        }
        /* 空数据提示 */
        .empty-tip {
            padding: 60px 0;
            text-align: center;
            color: #999;
            font-size: 15px;
        }
        /* 移动端适配 */
        @media (max-width: 768px) {
            .page-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .list-head, .doc-row {
                grid-template-columns: 3fr 1fr;
                gap: 10px;
            }
            .doc-size, .doc-time {
                display: none;
            }
        }