vant-weapp/dist/field/index.wxss

.van-field{display:block;position:relative;color:#333}.van-field::after{content:'';position:absolute;top:0;left:0;width:200%;height:200%;-webkit-transform:scale(.5);transform:scale(.5);-webkit-transform-origin:0 0;transform-origin:0 0;pointer-events:none;box-sizing:border-box;border:0 solid #e5e5e5;border-bottom-width:1px;left:15px;right:0}.van-field--no-border::after{border-bottom-width:0}.van-cell--field{padding:7px 15px}.van-field--wrapped{margin:10px 15px;background-color:#fff}.van-field--wrapped::after{left:0;border-width:1px;border-radius:4px}.van-field--wrapped::after{display:block}.van-field--error{color:#f40}.van-field--wrapped.van-field--error::after{border-color:#f40}.van-field__title{color:#333;min-width:65px;padding-right:10px}.van-field__input{-webkit-box-flex:1;flex:1;line-height:1.6;padding:4px 0;min-height:22px;height:auto;font-size:14px}.van-field__placeholder{font-size:14px}.van-field__input--right{text-align:right}