body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dt,dd,input{margin: 0;padding: 0}*{box-sizing: border-box}body{font: "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei",        "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;color: #333}ul,ol{list-style: none}em,i{font-style: normal}a{text-decoration: none!important;color: #333}img{vertical-align: middle}input{border: none;outline: none;color: #333}.fl{float: left}.fr{float: right}.clearfix::before,.clearfix::after{content: "";display: table}.clearfix::after{clear: both}