html, body, div, span, iframe, map, font, img, a img,samp,strong,hr,h1,h2,h3,h4,h5,h6,b,p,blockquote,a,address,code,dl,dt,dd,ol,ul,li,form,label,table,tr,td,th{padding:0;margin:0;border:0;font-weight:normal;font-family:'Microsoft YaHei',Arial,Helvetica,sans-serif}ol,ul{list-style:none}a:link{text-decoration:none}a:visited{text-decoration:none}a:hover{text-decoration:none}a:active{text-decoration:none}input,select{font-family:'Microsoft YaHei',Arial,Helvetica,sans-serif}i{font-style:normal}a{blr:expression(this.onFocus=this.blur())}a:focus{outline:none}a.hidefocus{outline:none}.fl{float:left}.fr{float:right}input[type=text],input[type=submit],input[type=button]{-webkit-appearance:none}input{outline:none}.clearfix:after{display:block;content:"";clear:both;height:0;overflow:hidden}.clearfix{zoom:1}img{width:100%;display:block}body{min-width:320px;max-width:750px;margin:0
auto;position:relative;background-size:100%;background:#fff;padding-bottom: .3rem}