@charset "utf-8";
nav{
	text-align: center;
	width: 1460px;
	height: 159px;
	border-width: 0px;
	border-style: none;
		}
		.sub1{
	font-size: 0;
	border-width: 0px;
	border-style: none;
			
		}
		.sub1 li{
			display: inline-block;
			position: relative;
		}
		.sub1 a{
			display: inline-block;
			font-size: 15px;
			text-decoration: none;
			color: #fff;
		}
		nav .sub2{
	position: absolute;
	left: -1900px;
	width: 1100px;
	margin-top: -210px;
	z-index: 600;
	text-align: left;
	opacity: .5;
	padding-top: 30px;
	transition: opacity .2s,margin-top .2s, left 0s .2s;
	background-image: url(../images/header_menu_bk2.png);
	background-repeat: no-repeat;
	margin-left: 100px;
	background-size: 100% auto;
		}
		
		nav .sub2 li{
	display: block;
	margin-top: 8px;
	margin-right: 10px;
	margin-bottom: 0px;
	margin-left: 10px;	
		}
		.sub1 > li:hover .sub2{
	left: 0;
	opacity: 1;
	width: 1300px
	margin-top: 0px;
	transition: opacity .5s .1s,margin-top .5s, left 0s 0s;
		}