vant-weapp/dist/toast/index.wxss

.van-toast{top:50%;left:50%;display:-webkit-box;display:-webkit-flex;display:flex;position:fixed;color:#fff;font-size:12px;line-height:1.2;border-radius:5px;word-break:break-all;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-flex-direction:column;flex-direction:column;box-sizing:border-box;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);background-color:rgba(0,0,0,.7);z-index:3001}.van-toast__overlay{z-index:3000;position:fixed;top:0;left:0;right:0;bottom:0}.van-toast__overlay--mask{background-color:rgba(0,0,0,.7)}.van-toast--text{padding:12px;min-width:220px}.van-toast--icon{width:120px;min-height:120px;padding:15px}.van-toast--icon .van-toast__icon{height:1em;font-size:50px}.van-toast--icon .van-toast__text{font-size:14px;padding-top:10px}.van-toast__loading{margin:10px 0 5px}.van-toast--top{top:50px;-webkit-transform:translate(-50%,0);transform:translate(-50%,0)}.van-toast--bottom{top:auto;bottom:50px;-webkit-transform:translate(-50%,0);transform:translate(-50%,0)}