a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,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,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}body{line-height:1}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}button,input,select,textarea{outline:0;font-size:inherit;-webkit-appearance:none}input[type=text]{-webkit-user-select:text;user-select:text}*{box-sizing:border-box}img{vertical-align:middle}a{color:#202020;text-decoration:none}a:hover{text-decoration:none}a,a:active,a:focus,a:hover,a:link,a:visited{-webkit-tap-highlight-color:rgba(0,0,0,.1);outline:0;text-decoration:none}button:focus,input:focus{outline:0}input::-webkit-input-placeholder{color:rgba(0,0,0,.24)}input::-moz-placeholder{color:rgba(0,0,0,.24)}input:-moz-placeholder{color:rgba(0,0,0,.24)}input:-webkit-autofill,input:-webkit-autofill-strong-password,input:-webkit-autofill-strong-password-viewable{background:0 0!important}input:focus::-webkit-input-placeholder{color:transparent}input:focus::-moz-placeholder{color:transparent}input:focus:-moz-placeholder{color:transparent}body,html{-webkit-test-size-adjust:100%;test-size-adjust:100%}body{min-width:320px;max-width:750px;margin:0 auto;font-size:28px;background-color:#FFF;color:#202020;font-family:-apple-system,PingHei,Lucida Grande,Lucida Sans Unicode,STHeiti,Helvetica,Arial,Verdana,sans-serif}.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;font-size:0;line-height:0}.mt10{margin-top:10px}.mt16{margin-top:16px}.mt20{margin-top:20px}.mt30{margin-top:30px}