/*================基本样式重置================*/
html,body,div,ul,ol,li,dl,dt,dd,h1,h2,h3,h4,h5,h6,p,img,span,i,a,em,strong,b,input,textarea,select { margin:0; padding:0;}
i,em { font-weight:normal; font-style:normal; }
html{font-size: 62.5%;}
body { font-family: "Helvetica Neue", Helvetica, STHeiTi, Arial, sans-serif; -webkit-tap-highlight-color:rgba(0,0,0,0); }
li { list-style:none; }
a,img,input { border:0 none; }
a { text-decoration:none; outline:none; }
a:hover { text-decoration:none; }
a:focus,input:focus { outline:0 none;}


* { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }

/*========定义基础样式========*/
.hide { display:none;}
.fl { float:left;}
.fr { float:right;}
.clearfix:after { content:" "; display:block; clear:both; height:0; /*visibility:hidden;*/}
.clearfix { zoom:1; }
a .opacity { filter:alpha(opacity=100); opacity:1; -moz-opacity:1; }
a:hover .opacity { filter:alpha(opacity=80); opacity:0.8; -moz-opacity:0.8; }