.nav{ background:/* url('../images/nav_bg.png') no-repeat; */ float:left; width:908px; height:80px; margin:0 0 0 70px;}
.nav ul li{ float:left; position:relative; display:inline-block;}
.nav ul li a{ font-size:16px; display:block; line-height:80px; padding:0 42px;text-align:center;}
#top_sub_nav{ position:relative; z-index:12; <!-- height:44px; -->}
.sub_nav{width:100%; /*height:50px;*/ display:none; background:url('../images/sub_nav_bg.png');}
.n10{ width: 148px;}
.n11{left:-35px; width: 148px;}
.n12{left:-70px;width:148px;}
.n13{left:-98px; width:148px;}
.n14{left: -146px; top: 1px;width:148px;}
.n15{left:690px; top:-80px; width: 170px;}
.n16{left: 660px; top:-80px;}
.n10:hover,.n10 a.on{ background:url('../images/nav_li_hov1.png') 1px 0 no-repeat;color:#333;}
.n11:hover,.n11 a.on{ background:url('../images/nav_li_hov1.png') no-repeat;color:#333}
.n12:hover,.n12 a.on{ background:url('../images/nav_li_hov1.png') -11px 0 no-repeat;color:#333; background-size: cover;}
.n13:hover,.n13 a.on{ background:url('../images/nav_li_hov1.png') 5px 0 no-repeat;color:#333}
.n14:hover,.n14 a.on{ background:url('../images/nav_li_hov1.png') -5px 0 no-repeat;color:#333;background-size: cover;}
.n15:hover,.n15 a.on{ background:url('../images/nav_li_hov1.png') 1px 0 no-repeat;color:#333}
.n16:hover,.n16 a.on{ background:url('../images/nav_li_hov1.png') 13px 0 no-repeat;color:#333}
.sub_nav_li{ width: 100%; padding:0 10px 0 0;}
.sub_nav_li a{ line-height:44px; color:#333; font-size:14px; text-align:center; display:inline-block; width:290px;}
.sub_nav_li a:hover,.sub_nav_li a.selected{ background:url('../images/sub_nav_li_hov.png') 0 0 no-repeat; color:#c5a86f;}