body{
	padding: 0;
	margin: 0;
}

.box1{
	height: 515px;

	margin: auto;
	padding-top: 25px;
	position: relative;
}
.box1 .swiper-container{
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	height: 540px;
	z-index: 999;
}
.box1>.toubu{
	width: 1300px;
	height: 50px;
	/* background-color: aqua; */
	margin: auto;
	position: absolute;
	left: 50%;
	margin-left: -650px;
	top: 25px;
	z-index: 1000;
}
.box1>.toubu>.zhu p{
	font-size: 16px;
	color: white;
	margin-top: 10px;
}

.wenben{
	height: 24px;
	font-size: 24px;
	font-family: Source Han Sans CN;
	font-weight: 500;
	line-height: 21px;
	color: #262626;
	opacity: 1;
	text-align: center;
	padding-top: 50px;
}
.box2{
	height: 135px;
	width: 800px;
	/* background-color: aqua; */
	margin: auto;
	margin-top: 30px;
	background-color: #F2F4F7;
}
.box3{
	width: 800px;
	height: 160px;
	/* background-color: aqua; */
	margin: auto;
	margin-top: 30px;
}

.box3 .case-tle
{
	color: #262626;font-size: 20px;
}

.box3 .case-tle:before{
	content: "";
	display: inline-block;
	width: 4px;
	height: 20px;
	background-color: #1142A6;
	margin-bottom: -3px;
	margin-right: 10px;
}

.box3 .case-desc
{
	border: 1px solid #F5F5F5;
	padding: 20px;
	margin-top: 20px;
	font-size: 14px;
	font-family: Source Han Sans CN;
	font-weight: 400;
	line-height: 26px;
	color: #262626;
	opacity: 1;
}
.box4{
	width: 800px;
	margin: auto;
	margin-top: 30px;
	line-height: 40px;
}
.box4 img{
	width: 800px;
	height: 450px;
}
.box5{
	height: 60px;
	width: 1000px;
	/* background-color: aqua; */
	margin: auto;
	margin-top: 50px;
	display: flex;
	justify-content: space-between;
}

.box7{
	width: 1920px;
	margin-top: -15px;
	padding-top: 5px;
	height: 54px;
	margin: auto;
	background-image: url(../images/xdc51bd3fd-2eca-4d3a-b506-649d38472453.png);
}

.nav-item{
	display: inline-block;
	width: 340px;
	text-align: center;
	height: 60px;
	line-height: 60px;
	background-color: white;
	cursor: pointer;
	text-decoration: none;
	color: #404040;
}

.center
{
	width: 318px;
	margin-left: 1px;
	margin-right: 1px;

}

.nav-item:hover,.nav-item.active
{
	background-color: #007aff;
	color: white;
}

.article{
	margin-top: 50px;
}
.article .article-head{
	text-align: center;
}

.article .article-head span{
	font-size: 24px;
	font-family: Source Han Sans CN;
	font-weight: 500;
	line-height: 41px;
	color: #262626;
	opacity: 1;
}

.article .article-head span:before{
	content: "";
	display: inline-block;
	width: 280px;
	height: 1px;
	background-color: #262626;
	margin-bottom: 6px;
	margin-right: 48px;
}
.article .article-head span:after{
	content: "";
	display: inline-block;
	width: 280px;
	height: 1px;
	background-color: #262626;
	margin-bottom: 6px;
	margin-left: 48px;
}
.article .content{
	width: 800px;
	margin: 0 auto;
	padding-bottom: 50px;
}
.article .content img{
	max-width: 800px;
	height: auto;
}