body{
	background: #000;
}
.banner{
	width: 100%;
}
.banner img{
	width: 100%;
}
.head{
	width: 100%;
	height: 60px;
	background: #000;
}
.head_box{
	width: 1200px;
	height: 60px;
	margin: auto;
}
.left_nav{
	float: left;
}
.left_nav a{
	float: left;
}
.left_nav img{
	height: 50px;
	margin-top: 5px;
	margin-right: 30px;
}
.right_nav{
	float: right;
}
.right_nav li{
	float: left;
	line-height: 60px;
}
.right_nav a{
	padding: 0 20px;
	color: #fff;
	line-height: 60px;
	display: inline-block;
}

.right_nav a:hover{
	background: #52381A;
}
.contain{
	background: #f3ebd6;
}
.content{
	width: 900px;
	margin: auto;
}
.content .adv{
	width: 100%;
}
.content .adv img{
	width: 100%;
}

.pro{
	    width: 760px;
    position: absolute;
    left: 70px;
    top: 0;
}
.pro a{
	width: 148px;
	height: 305px;
	display: inline-block;
	margin: 0 2px;
}