@charset "gb2312";
.nav_bg{width:100%;height:50px;background:#1A6BC6;}
.nav{width:1104px;margin:0 auto;height:50px;}
.nav li{width:138px;height:50px;position: relative;float:left;z-index:22;text-align:center;}
.nav li a{display:block;width:138px;height:55px;text-align:center;text-overflow: ellipsis;overflow:hidden;white-space: nowrap;font:16px/50px "microsoft yahei";color:#fff;}
.nav li.hover{background:url(../images/nav_bg.png) 0 0 repeat;}
.nav li dl{background:url(../images/navbg.png) 0 0 repeat;position: absolute;top:50px;left:0;width:138px;display:none}
.nav li dd a{height:30px;line-height:30px;font-size:14px;}