html,body,div,span,h1,h2,h3,h4,h5,h6,p,a,em,img,sub,sup,dl,dt,dd,ol,ul,li,form,input,button,label,textarea,table,tbody,tfoot,thead,tr,th,td{margin:0;padding:0;}
body{color:#333;background:#fff;font:normal 400 12px/1.5 Microsoft YaHei,Arial,Tahoma,hiragino sans gb,Helvetica;}
a{text-decoration:none;color:#333;}
a:hover{text-decoration:underline;color:#259b24;}

h1,h2,h3,h4,h5,h6,strong{font-weight:778;font-size:100%;}
em{font-style:normal;}
h1{font-size:18px;}h2{font-size:16px;}h3{font-size:14px;}h4,h5,h6{font-size:12px;}
label,input,select,textarea{vertical-align:middle; font-family:Arial;}
img,button{background:none;border:none;}
ol,ul,li{list-style:none;}
table,td {border:none;}
*{outline:none}
.clearfix:after{ content:""; display:block;visibility:hidden; height:0; clear:both;}
.clearfix {zoom:1;}
.box{ width:898px; margin:0 auto;} 
.mb{ margin-bottom:10px;}
.mt{ margin-top:10px;}
.ml{ margin-left:10px;}
.mr{ margin-right:10px;}
.fr{ float:right;}
.fl{ float:left;}


/*返回顶部*/
*html{background-image:url(about:blank);background-attachment:fixed;}/*解决IE6下滚动抖动的问题*/

/*个人中心-软件下载-试听历史-下拉框-悬浮导航下拉*/