a,body,div,h1,h2,html,img,li,p,section,span,ul{padding:0;margin:0}img{width:100%}*{-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;outline:none;box-sizing:border-box}body{font-family:-apple-system,PingFang SC,microsoft yahei,arial,Helvetica Neue,Helvetica,STHeiTi,sans-serif;color:#000;background-color:#f5f5f5;-webkit-overflow-scrolling:touch;font-size:.38647rem}body,html{height:100%}