@charset "utf-8";
/*菜单样式开始*/
.nav_search{ margin-top:15px; font-family:"微软雅黑";}
.nav{width:673px; float:left; position: relative;z-index:999999999999;}
#page-wrap{width:673px; height:40px; margin:0px auto;position: relative;z-index:999999999999; zoom:1;} 
/* LEVEL ONE*/
ul.dropdown{ position: relative;z-index:999999999999;}
ul.dropdown>li{float:left; zoom:1;height:40px;line-height:40px; width:109px; text-align:center; background:url(../images/navBg.jpg) top center repeat-x; margin-right:3px; display:inline; font-size:14px;}
ul.dropdown>li>a{ text-transform:uppercase;}
ul.dropdown>li:nth-child(5) .sub_menu li:nth-child(1){
     display: none;
 }
ul.dropdown>li:nth-child(6) .sub_menu li:nth-child(2){
    display: none;
}
ul.dropdown>li:nth-child(4) .sub_menu li:nth-child(1){
    display: none;
}
ul.dropdown a:hover,ul.dropdown a.first2{color:#cce8f6;text-decoration:none;}
ul.dropdown a:active{color:#cce8f6;}
ul.dropdown li a{ display: block;color:#fff;}
ul.dropdown li:last-child a{ border-right: none; } /* Doesn't work in IE */
ul.dropdown li.hover,ul.dropdown li:hover{color:#cce8f6;position: relative; }
/* LEVEL TWO*/
ul.dropdown ul{ width:109px; visibility: hidden; position: absolute; top:100%; left:0px;background:#007fbf; }
ul.dropdown ul li{ width:109px; font-weight: normal; border-bottom:dotted 1px #cccccc; float: none;line-height:16px; padding-top:8px; padding-bottom:8px; background:none; text-align:center;}							
/* IE 6 & 7 Needs Inline Block */
ul.dropdown ul li a{border-right: none; width:109px;display: inline-block;color:#fff;} 
ul.dropdown ul li a:hover{text-decoration:none;}
/* LEVEL THREE*/
ul.dropdown ul ul{left:100%; top: 0;}
ul.dropdown li:hover > ul{visibility: visible;}
<!--菜单样式结束-->