.tab {position:relative; width:140px;float:left;display:block;}
.tab dt {position:relative; z-index:2; bottom:-1px; float:left; margin:0 4px; padding:0 6px;  color:#ff0000; cursor:pointer;display:block; font-size:12px; font-family:"ºÚÌå"}
.tab .current {border-bottom:1px solid #fff; font-weight:bold; background:#fff; color:#ff0000;}
.tab dd {position:absolute; z-index:1; top:0px; left:105px; width:490px; padding:0px 0px 0px 15px; background:#fff;}
.ttx{ 
 positon:absolute; 
 margin-top:-9999px; 
 margin-left:-9999px; 

}