.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:14px;line-height:50px;text-align:center;-webkit-transform:translateY(-100%);transform:translateY(-100%)}.left-back[data-v-2fb8db1a]{width:26px;height:26px;color:#333;border-width:0;border:none;border-color:transparent;margin-left:2%;font-weight:600}