body{
	height: auto;
	background-image: url(../images/index_bj.jpg);
    background-repeat:repeat-y;
    background-size:100% 100%;
}

.content_box{
	width: 1100px;
	margin:30px auto;
}
.content_box .cont{
	width: 100%;
	margin-bottom: 30px;
}
.cont .title{
	width: 250px;
	margin:30px auto;
}
.cont .title img{
	width: 100%;
}
.cont .cont_box{
	width: 100%;
}
.cont .wenlv{
	margin-top:-60px;
}
.cont .cont_box img{
	width: 100%;
}
.cont .cont_box ul{
	width: 100%;
	display:flex;
	justify-content: space-between;
	margin-bottom: 80px;
}

.cont .cont_box ul li{
	width: 250px;
	display: block;
	list-style-type:none;
	background-image:url(../images/menu_bj.png);
	background-size: 100% 100%;
	background-repeat: no-repeat;
}
.cont .cont_box ul li a{
	text-decoration: none;
	display: block;
	width: 100%;
	height: 50px;
	line-height: 50px;
	text-align: center;
	font-size: 18px;
	color: #451b16;
}
.dask{
	width: 100%;
	height: 100%;
	background-color: rgba(0,0,0,0.5);
	position: fixed;
	top: 0;
	left: 0;
	display: none;
}
.dask_cont{
	position: absolute;
	width: 80%;
	height: 70%;
	top:15%;
	left: 10%;
	background-color: #fff;
}
.close{
	position: absolute;
	top:0;
	right: -40px;
	width: 30px;
}
.img_box{
	width: 100%;
	height: 100%;
	overflow-x: auto;
	position: absolute;
	top:0;
	left:0;
}
.img_box img{
	height: 100%;
}