.menu {width:780px; height:70px; position:absolute; left:92px; top:76px; z-index:-100;}
#nav .item,#nav .link{position:relative; float:left; display:block; height:70px; width:130px;}
#nav .link {line-height:0; font-size:0;overflow:hidden;}


#nav .item .home { background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -18px -14px;}
#nav .item_open .home,#nav #home a.now {background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -18px  -94px;}

#nav .item .traceability { background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -158px -14px;}
#nav .item .traceability i { width:23px; height:13px; position:absolute; right:12px; top:7px;}
#nav .item_open .traceability,#nav #traceability a.now {background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -158px  -94px;}

#nav .item .product { background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -288px -14px;}
#nav .item_open .product,#nav #product a.now {background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -288px  -94px;}

#nav .item .trusted { background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -418px -14px;}
#nav .item_open .trusted,#nav #trusted a.now {background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -418px  -94px;}

#nav .item .mommy { background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -546px -14px;}
#nav .item_open .mommy,#nav #mommy a.now {background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -546px  -94px;}

#nav .item .story { background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -680px -14px;}
#nav .item_open .story,#nav #story a.now {background:url(../../../../Images/home/zhiheyuan/zh-cn/nva_txt.png) no-repeat -680px  -94px;}

#nav #drop{display:none; position:absolute; top:40px; left:0; width:110px; height:190px;}
#nav .dropdown{display:none; position:absolute; top:70px; left:0; width:110px; height:190px;}

#nav .dropdown .t { width:110px; height:12px; overflow:hidden; background:url(../../../../Images/home/zhiheyuan/zh-cn/drop_top_three.png);}
#nav .dropdown .c { width:110px; background:url(../../../../Images/home/zhiheyuan/zh-cn/drop_center.png) repeat-y; text-align:center; line-height:26px;}
#nav .dropdown .c a { color:#fff;}
#nav .dropdown .c a:hover { color:#ebf706;}
#nav .dropdown .b { width:110px; height:12px; overflow:hidden; background:url(../../../../Images/home/zhiheyuan/zh-cn/drop_botoom.png)}