html{
	min-width: 1900px;
}
.main{
	width: 100%;
	overflow: hidden;
}
.main_item{
	width: 100%;
}
.main_item1{
	background-image: url(../images/index_bj.jpg);
	background-repeat: no-repeat;
	background-size: cover;
	height: 930px;
}
.main_item1 .main_left{
	width: 1120px;
	position: relative;
}
.main_item1 .item_img{
	position: absolute;
	left: -150px;
	top:40px;
}
.main_item1 .item_img img{
	width: 1268px;
	height: 798px;
}
.main_item1 .main_right{
	margin-left: 1140px;
	margin-top: 240px;
}
.main_item1 .right_span1{
	font-size: 30px;
	color: #ffffff;
}

.main_item1 .right_span2{
	font-size: 30px;
	color: #ffffff;
	margin-top: 20px;
}
.main_item1 .right_span3{
	font-size: 14px;
	color: #ffffff;
	margin-top: 40px;
}
.item1_box{
	margin-top: 100px;
}
.item1{
	float: left;
	padding:0 20px;
	text-align: center;
	cursor: pointer;
}
.item1 .item1_icon{
	height: 72px;
	line-height: 72px;
}
.item1_icon img{
	display: inline;
	transition: .3s linear all;
	transform: rotateY(0);
	-ms-transition: .3s linear all;
	-ms-transform: rotateY(0);
}
.item1_span{
	margin-top: 15px;
	font-size: 20px;
	color: #ffffff;
}

.item1_btn{
	width: 201px;
	height: 54px;
	border:1px solid #fff;
	box-sizing: border-box;
	margin-top: 50px;
}
.item1_btn a{
	display: block;
	font-size: 16px;
	color: #fff;
	text-align: center;
	line-height: 54px;
}

.main_item2{
	width: 100%;
	height: 930px;
}
.main_item2 .main_left{
	margin-left: 190px;
	margin-top: 240px;
}
.main_item2 .right_span1{
	font-size: 30px;
	color: #333333;
}
.main_item2 .right_span2{
	font-size: 30px;
	color: #333333;
	margin-top: 15px;
}
.main_item2 .right_span3{
	font-size: 14px;
	color: #333333;
	margin-top: 45px;
}
.main_item2 .item1_span{
	font-size: 20px;
	color: #333333;
}
.main_item2 .item1_btn{
	border-color: #333;
}
.main_item2 .item1_btn a{
	color: #333333;
}

.main_item2 .main_right{
	position: relative;
}
.main_item2 .item_img{
	margin-top: 40px;
	position: absolute;
	z-index: 1;
	left: 0;
	top: 45px;
}
.main_item3{
	background-color: #333333;
	height: 930px;
	overflow: hidden;
}
.main_left{
	margin-top: 145px;
	position: relative;
}
.main_item3 .item_img{
	position: relative;
}
.main_item3 .item_img img{
	position: absolute;
	top: 0;
	left: -105px;
}
.main_item3 .main_right{
	margin-left: 1140px;
	margin-top: 240px;
}

.main_item3 .right_span1{
	font-size: 30px;
	color: #ffffff;
}
.main_item3 .right_span2{
	font-size: 30px;
	color: #ffffff;
	margin-top: 15px;
}
.main_item3 .right_span3{
	font-size: 14px;
	color: #ffffff;
	max-width: 605px;
	margin-top: 30px;
}

.gengduo_item{
	height: 800px;
	width: 100%;
	background-image: url(../images/item_bj.jpg);
	background-repeat: no-repeat;
	background-size: cover;
}
.title1{
	padding-top: 70px;
	text-align: center;
	font-size: 30px;
	color: #333333;
}
.title2{
	padding-top: 30px;
	text-align: center;
	font-size: 30px;
	color: #333333;
}
.item_box{
	display: flex;
	justify-content: space-around;
	margin-top: 100px;
}
.item{
	text-align: center;
	width: 325px;
	
}
.item a{
	display: flex;
	justify-content: center;
	flex-flow: wrap;
}
.item_span{
	margin-top: 30px;
	font-size: 20px;
	color: #333333;
	width: 100%;
	text-align: center;
}
.item_icon img{
	transition: all .3s linear;
	transform: rotateY(0);
}

.item_xian{
	width: 70px;
	height: 1px;
	background-color: #f11a2d;
	margin-top: 30px;
	transition: .2s linear all;
	
}

.item_btn{
	width: 100%;
	margin-top: 70px;
	text-align: center;
}

.item_btn a{
	display: inline-block;
	width: 201px;
	height: 54px;
	box-sizing: border-box;
	border:1px solid #f11a2d;
	text-align: center;
	line-height: 54px;
	color: #f11a2d;
	font-size: 16px;
}

.item1:hover img{
	transform: rotateY(180deg);
	-ms-transform: rotateY(180deg);
}

.item:hover img{
	transform: rotateY(180deg);
}
.item:hover .item_xian{
	transform: scaleX(1.5);
}