.index_top{
	width: 1200px;
	height: 192px;
	margin: 0 auto;
	position: relative;
	overflow:hidden;
}
.index_top .logo{
	width: 284px;
	position: absolute;
	top: 38px;
	z-index: 10;
}
.index_top_Carousel{
	position:relative; height:100%; z-index:0;
}
.index_top_Carousel li{ zoom:1; vertical-align:middle; }
.index_top_Carousel img{ width:100%; height: 192px; display:block;  }
.nav{
	width: 100%;
	height:48px;
	background-image: url(../images/nav_bj.jpg);
}
.supnav{
	width: 1200px;
	margin: 0 auto;
	height: 48px;
}
.supnav:after{
	display: block;
	content: "";
	clear: both;
}
.supnav li{
	width: 92px;
	height: 100%;
	text-align: center;
	line-height: 48px;
	position: relative;
	float: left;
	cursor: pointer;
}
.supnav li a{
	text-decoration: none;
	color: #eee9d5;
	line-height: 48px;
	display: block;
}
.supnav li .nav_item{
	width: 90px;
	position: absolute;
	left: 0px;
	padding-bottom: 0px;
	float: left;
	height: 0;
	overflow: hidden;
	z-index: 996;
	background-color: #723e28;
	transition:  all 0.5s;
}
.supnav li .nav_item a{
	color: #eee9d5;
	font-size: 14px;
	text-decoration: none;
	line-height: 34px;
	display: block;
}
.supnav li:hover .nav_item{
	height: auto;
}