.van-pull-refresh{overflow:hidden;-webkit-user-select:none;user-select:none}.van-pull-refresh__track{position:relative;height:100%;-webkit-transition-property:-webkit-transform;transition-property:-webkit-transform;transition-property:transform;transition-property:transform,-webkit-transform}.van-pull-refresh__head{position:absolute;left:0;width:100%;height:50px;overflow:hidden;color:#969799;font-size:16px;line-height:50px;text-align:center;-webkit-transform:translateY(-100%);transform:translateY(-100%)}.van-pull-refresh__loading-img{width:38px;height:38px}