.van-button{position:relative;display:inline-block;box-sizing:border-box;height:32px;margin:0;padding:0;font-size:16px;line-height:30px;text-align:center;border-radius:4px;cursor:pointer;-webkit-transition:opacity .2s;transition:opacity .2s;-webkit-appearance:none}.van-button::before{position:absolute;top:50%;left:50%;width:100%;height:100%;background-color:#000;border:inherit;border-color:#000;border-radius:inherit;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);opacity:0;content:' '}.van-button:active::before{opacity:.1}.van-button--disabled::before,.van-button--loading::before{display:none}.van-button--default{color:#323233;background-color:#fff;border:1px solid #d9d9d9}.van-button--primary{color:#fff;background-color:#7972fe;border:1px solid #7972fe}.van-button--info{color:#fff;background-color:#3cd081;border:1px solid #3cd081}.van-button--danger{color:#fff;background-color:#fd4948;border:1px solid #fd4948}.van-button--warning{color:#fff;background-color:#fe743c;border:1px solid #fe743c}.van-button--plain{background-color:#fff}.van-button--plain.van-button--primary{color:#7972fe}.van-button--plain.van-button--info{color:#3cd081}.van-button--plain.van-button--danger{color:#fd4948}.van-button--plain.van-button--warning{color:#fe743c}.van-button--large{width:100%;height:40px;border-radius:8px}.van-button--normal{padding:0 16px;font-size:16px}.van-button--small{height:24px;padding:0 16px;font-size:12px}.van-button__loading{color:inherit;font-size:inherit}.van-button--mini{height:24px;padding:0 4px;font-size:10px}.van-button--mini+.van-button--mini{margin-left:4px}.van-button--block{display:block;width:100%}.van-button--disabled{cursor:not-allowed;opacity:.5}.van-button--loading{cursor:default}.van-button--round{border-radius:999px}.van-button--square{border-radius:0}.van-button__content{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;-webkit-box-pack:center;-webkit-justify-content:center;justify-content:center;height:100%}.van-button__content::before{content:' '}.van-button__icon{font-size:1.2em;line-height:inherit}.van-button__icon+.van-button__text,.van-button__loading+.van-button__text,.van-button__text+.van-button__icon,.van-button__text+.van-button__loading{margin-left:4px}.van-button--hairline{border-width:0}.van-button--hairline::after{border-color:inherit;border-radius:8px}.van-button--hairline.van-button--round::after{border-radius:999px}.van-button--hairline.van-button--square::after{border-radius:0}