.nav{width:100%; position:absolute; left:0; z-index:95; border-top:2px solid #e2e2e2;}
.main-nav,.sub-nav{width:750px; position:absolute; left:50%; margin-left:-214px;}
.main-nav li,.sub-nav dl{width:150px; text-align:center; float:left;}
.main-nav{top:10px; z-index:5;}
.main-nav li a{font-size:14px; color:#fff; display:block;}
.main-nav li a:hover,.main-nav li.active a{color:#fff;}
.main-nav li a i{margin-top:-6px; font-size:12px; color:#979797; font-style:normal; font-variant:small-caps; display:block;}
.sub-box{width:100%; height:360px; position:absolute; top:0; left:0; background:url(https://dn-eo.web.sdo.com/pic/dn/web10/navbg.png) repeat-x; z-index:4; display:none;}
.sub-nav{top:55px;}
.sub-nav dd{height:30px;}
.sub-nav a{padding:2px 8px; color:#d4d4d4; display:inline-block; border-radius:12px;}
.sub-nav a:hover{color:#d4d4d4; background-color:#0e0c12; }