nav ul {
	list-style: none;
	padding-left: 0;
	margin-top: 0;
	margin-bottom: 0;
	width: 1120px;
	float: left;
	 
}

.nav {
	width: 1100px;
	color: #f0f0f0;
	
	height: 54px;
	position: absolute;
	z-index: 1000;
	left: auto;
	right: auto;
	float: left;
	
}
.nav a {
	display: block;
	line-height: 54px;
	cursor: pointer;
	padding-top: 0;
	padding-bottom: 0;
	height: 54px;
	font-family: "΢���ź�";
        color: #FFF;
        text-decoration: none;
        width: 133px;
        text-align: center;
        font-size: 14px;
}
.nav_menu {
	line-height: 45px;
	font-weight: normal;
	text-transform: uppercase;
	height: 54px;
	color: #FFF;
         text-decoration: none;
}
.nav_menu-item {
  display: inline-block;
  position: relative;
  color: #FFF;
   text-decoration: none;
}
.nav_menu-item:hover {
	background-color: #288b2b;
	 color: #FFF;
   text-decoration: none;
	 
}
.nav_menu-item:hover .nav_submenu {
  display: block;
    color: #FFF;
   text-decoration: none;
   width: 136px;
}
.nav_submenu {
	font-weight: normal;
	text-transform: none;
	display: none;
	position: absolute;
	width: 133px;
	background-color: #288b2b;
	text-align: center;
	background: rgba(40, 139, 43, 0.8);
        
}
.nav_submenu-item:hover {
	background-color: #288b2b;
         color: #FFF;
   text-decoration: none;
}