*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:#1a1a1a;background:#f7f8fa;-webkit-font-smoothing:antialiased}input,textarea,select,button{font-family:inherit}