iframe{display:none!important;width:0!important;height:0!important;overflow:hidden!important;}

a,abbr,acronym,address,article,aside,audio,b,big,blockquote,body,canvas,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,ul,var,video{margin:0;padding:0;vertical-align:baseline;border:0;font:inherit;font-size:100%}
li,ol,ul{list-style:none}
a{text-decoration:none;color:#333;}
a:hover{text-decoration:none}
article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}
a,button,input,textarea{-webkit-tap-highlight-color:rgba(255,255,255,0)}
body{-webkit-text-size-adjust:none}
a,img{-webkit-touch-callout:none}
.clearfix:after{display:block;visibility:hidden;clear:both;height:0;content:'';}
input{-webkit-appearance:none;outline:none}

html,body{ width:100%;}
body{ font-size:1em; font-family:Arial, Helvetica,"microsoft yahei","Microsoft Yahei", sans-serif; color:#000; background:#333;}
.main{max-width:640px;background:#333;margin:0 auto;position:relative;}
.main img{ display:block; width:100%;}
.fixed{max-width:640px;width:100%;height: auto;position: fixed;z-index:1000;top: 0;text-align: center;}
.footer{ text-align:center;color:#fff; background:#000; line-height: 1.8;font-size:12px; padding: 5% 0;}
.footer:empty{ padding:0;}