.left_nav{ width:200px; height:auto; background:#c3e7f8; z-index:1111}
.left_nav dl dt{  height:52px; display:block; text-indent:-99999px; background:url(../img/t1.png) no-repeat}
.left_nav dl dd{ width:200px; height:28px; line-height:28px; position:relative;}
.left_nav dl dd .nav_right{ width:350px; height:auto; overflow:hidden; position:absolute; left:200px; top:0px; padding:0px 5px 10px 5px;background:#f9f9f9; display:none; border:1px solid #ccc; z-index:3}
.left_nav dl dd .nav_right a{ width:175px;height:20px; line-height:20px; text-align:left; color:#666; text-indent:15px;  display:block; float:left; margin-top:10px; white-space:nowrap;
 text-overflow:ellipsis;
 -o-text-overflow:ellipsis;
 overflow: hidden; float:left;}
.left_nav dl dd .nav_right a:hover{ color:#fff;background:#E6238F; text-decoration:none;}
.left_nav dl dd a.nav_left{width:200px; height:28px; line-height:28px; background:url(../images/left_nav_dt_bg.png) no-repeat 185px center; display:block; border-bottom:1px solid #ddf4ff;color:#3C4347; white-space:nowrap;
 text-overflow:ellipsis;
 -o-text-overflow:ellipsis;
 overflow: hidden; display:block; text-indent:15px;}
.left_nav dl dd a.nav_left:hover{background:url(../images/left_nav_dt_bg2.png) no-repeat 185px center #E6238F; color:#fff; text-decoration:none;}

#nav_news dl dt{  height:52px; display:block; text-indent:-99999px; background:url(../img/t2.png) no-repeat}

<!--#current{background:url(../images/left_nav_dt_bg2.png) no-repeat 185px center #E6238F; color:#fff; text-decoration:none;}-->
.left_nav dl dd .nav_right .on{ color:red}


.left_nav dl .on a.nav_left,.left_nav dl .on33 a.nav_left{ color:red}