/* 新增筛选区域样式 */
            .filter-section {
                display: flex;
                width: 100%;
                margin-bottom: 20px;
                gap: 12px;
                flex-wrap: wrap;
            }
            
            .filter-item {
                flex: 1;
                min-width: 180px;
            }
            
            .filter-select, .search-input {
                width: 100%;
                height: 44px;
                padding: 0 15px;
                border: 1px solid #e1e4e8;
                border-radius: 6px;
                background: #fff;
                font-size: 15px;
                transition: all 0.3s;
                box-sizing: border-box;
            }
            
            .filter-select:focus, .search-input:focus {
                border-color: #4285f4;
                box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.2);
            }
            
            .search-input {
                background-position: 15px center;
                background-repeat: no-repeat;
                background-size: 18px;
                padding-left: 45px;
                background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg"  viewBox="0 0 24 24" fill="%23999"><path d="M15.5 14h-.79l-.28-.27A6.471 6.471 0 0 0 16 9.5 6.5 6.5 0 1 0 9.5 16c1.61 0 3.09-.59 4.23-1.57l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z"/></svg>');
            }
            
            /* 移动端适配 */
            @media (max-width: 767px) {
                .filter-section {
                    flex-direction: column;
                    gap: 10px;
                }
                
                .filter-item {
                    min-width: 100%;
                }
                
                .filter-select, .search-input {
                    height: 42px;
                    font-size: 14px;
                }
            }
            
            /* 筛选结果提示 */
            .no-results {
                text-align: center;
                padding: 40px 20px;
                color: #909399;
                font-size: 16px;
            }
            
            .no-results i {
                font-size: 48px;
                display: block;
                margin-bottom: 15px;
                color: #dcdfe6;
            }
			
/* 以上内容为下载列表页面所使用的代码 */