.van-pull-refresh{overflow:hidden;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.van-pull-refresh__track{position:relative}.van-pull-refresh__head{position:absolute;top:-2.5rem;left:0;width:100%;height:2.5rem;overflow:hidden;color:#969799;font-size:.7rem;line-height:2.5rem;text-align:center}