*{list-style:none;}
.cls{clear:both;}
.notxt{text-indent:-9999px;}
body{font-size:14px;font-family:Tahoma;font-family:Arial, Hel,Microsoft YaHei;}
a{color:#000;text-decoration:none;outline:none;blr:expression(this.onFocus=this.blur());font-size: 18px;}
a:hover{color:#f4af1d;}

.nav {width:1000px;margin:0 auto; position:relative;}
.nav  ul li {float:left;text-align:center;height:40px;line-height:40px;}
.curBg { background:#f4af1d;height:2px;position:absolute;bottom:0;width:40px;left:0px;}