.taroify-back-top{-webkit-box-align:center;-ms-flex-align:center;-webkit-box-pack:center;-ms-flex-pack:center;align-items:center;background-color:var(--back-top-background,var(--primary-color,#1989fa));border-radius:999px;bottom:var(--back-top-bottom,80px);-webkit-box-shadow:0 2px 8px 0 rgba(0,0,0,.12);box-shadow:0 2px 8px 0 rgba(0,0,0,.12);color:var(--back-top-text-color,#fff);cursor:pointer;display:-webkit-box;display:-ms-flexbox;display:flex;height:var(--back-top-size,80px);justify-content:center;position:fixed;right:var(--back-top-right,60px);-webkit-transform:scale(0);-ms-transform:scale(0);transform:scale(0);-webkit-transition:.3s cubic-bezier(.25,.8,.5,1);transition:.3s cubic-bezier(.25,.8,.5,1);width:var(--back-top-size,80px);z-index:var(--back-top-z-index,100)}.taroify-back-top:active{opacity:var(--active-opacity,.6)}.taroify-back-top.active{-webkit-transform:scale(1);-ms-transform:scale(1);transform:scale(1)}.taroify-back-top .van-icon{font-size:var(--back-top-icon-size,40px);font-weight:600}