#app{width:100%;height:100%}body,html{margin:0;padding:0;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif;height:100%}*{-webkit-box-sizing:border-box;box-sizing:border-box}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}::-webkit-scrollbar-thumb{background:#c0c4cc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#909399}.clearfix:after{content:"";display:block;clear:both;visibility:hidden}