*{margin:0;padding:0;outline:none;}
html,body{font-family:'微软雅黑', 'arial', 'Tahoma','simsun','宋体'; color:#666666;background:#fff;}
ul li,ol li{list-style-type:none}
a{text-decoration:none;blr:expression(this.onFocus=this.blur());color:#fff;}
li:focus,a:focus,input:focus{outline:none;}
fieldset,img{border:0;}
q,blockquote{quotes:"" "";}
q:before,q:after,blockquote:before,blockquote:after{content:"";}
del{text-decoration:line-through;}
ins{text-decoration:underline;}
sup{vertical-align:super;}
sub{vertical-align:sub;}
cite,em,dfn{font-style:normal;}
table{border-collapse:collapse;border-spacing:0;}
caption,th,td{font-weight:normal;text-align:left;}
label,button{cursor:pointer}
textarea{white-space:pre;resize:none;border:1px solid #ececec;}
article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary{display:block;border:0;}
img{border:none;}

/*撑开父容器*/  
.clearfix:after{  
    content:".";   
    display:block;   
    height:0;   
    clear:both;   
    visibility:hidden;  
}  
.clearfix{  
    zoom:1; /*针对IE*/  
}