.nav{width:1200px;margin:0 auto;height:57px}
.nav ul{background-image:url(nav_1.jpg);position:relative}
.nav ul li:hover>ul{display:block}
.nav ul li{width:132px;height:57px;color:#fff;float:left}
.nav ul li a{color:#fff;text-align:center;font-size:16px;line-height:52px}
.nav ul li.cur,.nav ul li:hover{background:#f9a50e;color:#fff;font-size:16px}
.nav ul li:hover a{color:#fff;font-size:16px}
.nav ul li a{font-size:16px;display:block;color:#fff;text-decoration:none}
.nav ul:after{content:"";clear:both;display:block}
.nav ul ul{display:none}
.nav ul ul{z-index:100;background:#f9a50e;font-size:14px;border-radius:0;padding:0;position:absolute}
.nav ul ul li{float:none;border-top:1px solid #ffb023;position:relative;font-size:14px;height:52px}
.nav ul ul li a{font-size:14px;color:#fff}
.nav ul ul li a:hover{background:#e89500;font-size:16px}
.nav ul ul ul{position:absolute;left:100%;top:0}
.fontt14{font-size:14px}