@charset "utf-8";
/* CSS Document */
/*头部*/

.layer{width:1000px;margin:0 auto;clear:both; position:relative;}

.header_bg{ width:100%; height:39px; background:#000; position:fixed; top:0px; left:0px; z-index:10000; opacity:0.5;}
.header{ width:100%; height:39px;position:fixed; top:0px; left:0px; z-index:10000;}

.logo{ float:left; width:100px; height:24px; margin-left:10px; margin-top:6px;}

.nav{ width:860px; height:39px; margin:0 auto;}

.nav li{ float:left; margin-left:60px; height:39px; line-height:39px; font-size:14px; font-family:"微软雅黑"; overflow: hidden;}

.nav li a{ color:#fff;}

.nav li a{ width:100%; height:100%; display:block;text-align: center;}

.nav li:hover,.nav li.curr a{ background:url(img/nav_ico.gif) center bottom no-repeat ;}