.left_nav{ width:245px; height:auto;padding:5px; z-index:777; background:#fff; border:1px solid #CDCDCD; float:left}
.left_nav dl dt{ width:232px; height:32px; line-height:32px; background:url(../image/long.png) no-repeat 12px center #0063be; padding-left:10px; color:#fff; margin-bottom:4px; }
.left_nav dl dd{ width:230px; height:30px; position:relative;}
.left_nav dl dd .nav_right{ width:300px; height:auto; overflow:hidden; position:absolute; left:242px; top:0px; padding:0px 5px 10px 5px;background:#fff; display:none; border:1px solid #ccc;}
.left_nav dl dd .nav_right a{ width:220px;height:20px; line-height:20px; text-align:left; color:#666;padding-left:40px; background:url(../image/nav_right_bg.png) no-repeat 20px center; display:block; float:left; margin-top:10px; white-space:nowrap;
 text-overflow:ellipsis;
 -o-text-overflow:ellipsis;
 overflow: hidden;}
.left_nav dl dd .nav_right a:hover{ width:240px;height:20px; line-height:20px; text-align:left; color:#fff;padding-left:40px; background:url(../image/nav_right_bg2.png) no-repeat 20px center #0063be; text-decoration:none;}
.left_nav dl dd a.nav_left{width:200px; height:29px; text-align:left;line-height:29px; background:url(../image/left_nav_dt_bg.png) no-repeat 215px center #E0E0E0; padding-left:43px; display:block; border-bottom:1px solid #fff;color:#3C4347; white-space:nowrap;
 text-overflow:ellipsis;
 -o-text-overflow:ellipsis;
 overflow: hidden;}
.left_nav dl dd a.nav_left:hover{background:url(../image/left_nav_dt_bg2.png) no-repeat 230px center #0063be; color:#fff; text-decoration:none;}