body {
	width: 100%;
	background: #000;
	background-size: 100%;
	padding: 0;
	margin: 0;
	overflow-x:hidden;
}

 .content {
	width: 1200px;
	height: 445px;
}
 .content ul.link-navs {
	width: 540px;
	height: 445px;
	float: right;
	margin-right: 70px

}
 .content ul.link-navs li.link-nav {
	width: 109px;
	height: 385px;
	background: center no-repeat;
	margin: 0 13px;
	float: left;
	list-style-type:none;
}

.content ul.link-navs li.link-nav.one {
	background-image: url("../images/nav1.png");
	margin-top: 60px;
	-webkit-transition: all .3s ease;
	-moz-transition: all .3s ease;
	-ms-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease
}
.content ul.link-navs li.link-nav.one:hover {
	background-image: url("../images/nav1_h.png");
}
.content ul.link-navs li.link-nav.two {
	background-image: url("../images/nav2.png");
	-webkit-transition: all .3s ease;
	-moz-transition: all .3s ease;
	-ms-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease
}
.content ul.link-navs li.link-nav.two:hover {
	background-image: url("../images/nav2_h.png");
}
.content ul.link-navs li.link-nav.three {
	background-image: url("../images/nav3.png");
	margin-top: 60px;
	-webkit-transition: all .3s ease;
	-moz-transition: all .3s ease;
	-ms-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease
}
.content ul.link-navs li.link-nav.three:hover {
	background-image: url("../images/nav3_h.png");
}
.content ul.link-navs li.link-nav.four {
	background-image: url("../images/nav4.png");
	-webkit-transition: all .3s ease;
	-moz-transition: all .3s ease;
	-ms-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease
}
.content ul.link-navs li.link-nav.four:hover {
	background-image: url("../images/nav4_h.png");
}

 .content ul.link-navs li.link-nav a {
	width: 100%;
	height: 100%;
	display: block;
	font-size: 0;
	color: transparent
}
.zhuce{
   position: absolute;
    z-index: 11;
    left: 50%;
    margin-left: -65px;
    top: 440px;
}

.xiazai{
   position: absolute;
    z-index: 11;
    left: 50%;
    margin-left: 295px;
    top: 440px;
}