.content{background:#fff;height:368px;position:relative}.loading{width:100%;height:100%;align-items:center;background-color:#f0f0f0;color:#666;font-size:14px}.btn_box,.loading{display:flex;justify-content:center}.btn_box{margin:10px auto;width:190px;flex-wrap:wrap;align-content:space-around;gap:8px;.el-button{padding:8px;border-radius:50%;font-size:14px}}