#content_yx{margin:0 auto;width:100%;height:80px;}
#content_yx #nav{height:80px;margin-top:0px;}
#content_yx #nav ul{list-style:none;}

#content_yx #nav ul li{float:left;width:100px;line-height:80px;position:relative;z-index:999999;text-align:center;}

#nav div{width:100px;position:absolute;left:0px;padding-bottom:0px;background:#eee;color:#000;float:left;height:0px;overflow:hidden;z-index:999999;}

#content_yx #nav li .a{width: 100px; height: 80px;text-decoration:none;color:#000;line-height:80px;display:block;z-index:999999;font-size:16px;}

#content_yx #nav li .a:hover{width: 100px; height: 80px;text-decoration:none;background:#e9420b;color:#000;line-height:80px;display:block;z-index:999999;}

#nav div a{font-size:13px;text-decoration:none;background:#eee;color:#000;line-height:35px;display:block;z-index:999999;border-bottom:1px solid #b6b5b5;}

#nav div a:hover{background:#e9420b;color:#fff;z-index:999999;}

.line_yx {
	height: 80px;
    float: left;
    width: 1px;
    background: #eee;
}