*{
	margin: 0;
	padding: 0;
	font-family: Source Han Sans CN;
}
a{
	text-decoration: none !important;
}
body{
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	overflow-x: hidden;
}
.nav{
	height: 70px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	bottom: 1px solid #999999;
}
.nav_logo{
	width: 430px;
	height: 40px;
}
.nav_list{
	display: flex;
	flex-direction: row;
}
.nav_listBtn{
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100px;
	height: 70px;
	padding: 0 8px;
	position: relative;
	color: #666666;
}
.nav_listBtn::before{
	content: '';
	position:absolute;
	bottom: 0px;
	width: 0;
	left: 50%;
	border-bottom: 2px solid #004fc4;
	transition: 0.2s all linear;
}
.nav_listBtn_active::before{
	content: '';
	position:absolute;
	bottom: 0px;
	width: 90%;
	left: 5%;
	border-bottom: 2px solid #004fc4;
	transition: 0.2s all linear;
}
.nav_listBtn:hover::before{
	left: 5%;
	width: 90%;
}
.nav2{
	width: 100%;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	border-top: 1px solid #CCCCCC;
	position:absolute;
	top: 70px;
	left: 0;
	z-index: 99;
	background-color: #FFFFFF;
	display: none;
}
.productBtn:hover ~ .nav2{
	display: flex;
}
.nav2:hover{
	display: flex;
}
.nav2_content{
	height: 70px;
	width: 1200px;
	display: flex;
	flex-direction: row;
	justify-content: space-around;
	align-items: center;
	box-sizing: border-box;
	padding: 0 3%;
}
.nav2_content>a{
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	font-size: 16px;
	color: #666666;
	font-weight: 400;
	transition: all 0.2s linear;
}
.nav2_content>a:hover{
	color: #1952C1;
}
.nav2_content_btn_active{
	color: #1952C1 !important;
}
.content{
	width: 1200px;
}
.banner>img{
	width: 1920px;
	position: relative;
	left: 600px;
	margin-left: -960px;
}
.expBlock_1{
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding-bottom: 67px;
}
.expBlock_1_title{
	font-size: 28px;
	text-align: center;
	color: #2655BA;
	font-weight: 500;
	padding-top: 70px;
}
.expBlock_1_title2{
	font-size: 26px;
	font-weight: 500;
	color: #333333;
	padding-top: 11px;
}
.expBlock_1_text,.expBlock_2_text{
	color: #999999;
	font-size: 16px;
	line-height: 28px;
	text-align: center;
	padding-top: 40px;
}
.expBlock_2_text{
	padding-top: 0;
	margin-top: 69px;
}
.expBlock_1_list{
	padding-top: 70px;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
}
.expBlock_1_list_block{
	width: 590px;
	margin: 0 10px;
}
.expBlock_1_list_block>img{
	width: 590px;
	height: 280px;
}
.expBlock_1_list_block>div{
	height: 180px;
	box-sizing: border-box;
	border: 1px solid #E0E0E0;
	box-shadow: 0px -2px 0px 0px rgba(179, 180, 182, 0.12), -2px 0px 0px 0px rgba(179, 180, 182, 0.1), 2px 0px 0px 0px rgba(179, 180, 182, 0.16), 0px 2px 0px 0px rgba(179, 180, 182, 0.1);
	border-top: none;
	padding: 39px 20px 0 20px;
	color: #666666;
	font-size: 16px;
	line-height: 28px;
	font-weight: 400;
	margin-top: -4px;
}
.expBlock_2{
	padding-top: 70px;
	padding-bottom: 98px;
}
.expBlock_2_imgBox{
	display: flex;
	flex-direction: row;
	align-items: center;
	box-sizing: border-box;
	justify-content: center;
}
.expBlock_2_imgBox>div{
	height: 580px;
}
.expBlock_2_imgBox img{
	width: 100%;
}
.expBlock_2_imgBox_l{
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}
.expBlock_2_imgBox_m{
	margin: 0 20px;
}
.expBlock_2_imgBox_m>img{
	width: 285px;
	height: 580px;
}
.expBlock_2_imgBox_l>img{
	width: 285px;
	height: 280px;
}
.expBlock_2_imgBox_r{
	display: flex;
	align-items: center;
	justify-content: center;
	background: #F6F7FC;
	border: 1px solid #E0E0E0;
	padding: 0 20px;
}
.footer{
	width: 100%;
	background: #F6F7FC;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}
.linkBox{
	width: 1200px;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	padding-top: 70px;
	padding-bottom: 90px;
}
.linkBox_logo{
	width: 264px;
	height: 24px;
}
.linkBox_list_list{
	display: flex;
	flex-direction: column;
	margin-top: 50px;
}
.linkBox_list_list_link{
	color: #666666;
	font-size: 12px;
	font-weight: 400;
	line-height: 20px;
	margin: 7px 0;
}
.linkBox_list_title{
	color: #333333;
	font-size: 14px;
	font-weight: 500;
	line-height: 20px;
}
.linkBox_list_6{
	padding-top: 6px;
}
.footerBox{
	width: 100%;
	border-top: 1px solid #CCCCCC;
	height: 100px;
	display: flex;
	justify-content: center;
	align-items: center;
	color: #666666;
	font-size: 12px;
	font-weight: 400;
}
.footerBox>div{
	margin: 0 6px;
}
.linkBox_list_6{
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}
.linkBox_list_6>.linkBox_list_list_link{
	font-size: 14px;
}
.footerBox a{
	color: #666666;
}
.footerBox a:hover{
	color: #004fc4;
}