.banner {
	position: relative;
}

.banner img {
	max-width: 100%;
}

.bannerList {
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 120px;
	z-index: 9;
	background: rgba(0, 0, 0, 0.36);
}

.bannerList ul {
	height: 100%;
	display: flex;
	justify-content: center;
	text-align: center;
	align-items: center;
}

.bannerList ul li {
	font-size: 14px;
	margin: 0 30px;
}

.bannerList ul li img {
	margin-bottom: 10px;
}

.bannerList ul li a {
	color: #fff;
}


.bannerTxt {
	position: absolute;
	width: 100%;
	top: 40%;
	left: 0;
	text-align: center;
	color: #fff;
}

.bannerTxt h2 {
	font-size: 38px;
	letter-spacing: 4px;
	margin-bottom: 10px;
}

.bannerTxt p {
	font-size: 22px;
}

.homeAbout {
	display: flex;
	width: 1200px;
	margin: 0 auto;
	margin-top: 100px;
}

.title-h2 {
	font-size: 32px;
	margin-top: 20px;
	margin-bottom: 20px;
}

.xian {
	background: #09377b;
	height: 6px;
	width: 40px;
	margin-bottom: 26px;
}

.about_left p {
	font-size: 14px;
	line-height: 2;
	padding-right: 40px;
}

.btn-a {
	width: 168px;
	height: 39px;
	line-height: 36px;
	border: 2px solid #dbdbdb;
	border-radius: 20px;
	display: inline-block;
	background: none;
	color: #000;
	text-align: center;
	font-size: 14px;
	margin-top: 30px;
}

.product {
	width: 1200px;
	margin: 0 auto;
	margin-top: 130px;
}

.product ul {
	display: flex;
	justify-content: space-between;
	text-align: center;
	margin-top: 26px;
	margin-bottom: 6px;
}

.product ul a {
	font-size: 20px;
	font-weight: 600;
	color: #000;
}

.product ul img {
	margin-bottom: 16px;
}

.center {
	text-align: center;
}


.news {
	width: 1200px;
	margin: 0 auto;
	margin-top: 130px;
}
.news ul {
	display: flex;
	justify-content: space-between;
	margin-top: 26px;
	margin-bottom: 6px;
}
.news ul p{
	font-size: 14px;
	margin-top: 12px;
	margin-bottom: 12px;
}

.news ul li a{
	color: #000;
}
.news ul p span{
	font-size: 12px;
	margin-left: 20px;
}
.news ul h3{
	font-size: 20px;
	padding-right: 40px;
}


.case {
	width: 1200px;
	margin: 0 auto;
	margin-top: 120px;
}

.caseMain{
	display: flex;
	justify-content: space-between;
	align-items: center;
	position: relative;
	margin-bottom: 75px;
}
.caseMain:nth-child(2n+2){
	flex-direction:row-reverse;
}
.caseImg{
	width: 43%;
}
.caseTxt{
	width: 57%;
}
.caseMain:nth-last-child(-n+2){
	margin-bottom: 16px;
}
.caseMain:nth-child(2n+2) .caseImg{
	width: 100%;
	text-align: right;
}
.caseMain:nth-child(2n+2) .caseTxt{
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
}

.caseTxtbox{
	background: #fff;
	padding: 62px;
}
.caseTxtbox .title-h2{
	margin-top: 0;
}
.caseTxtbox .xian{
	margin-bottom: 10px;
}
.caseTxtbox p{
	font-size: 16px;
	line-height: 1.78;
}
.caseTxtbox a{
	background: #09377b;
	width: 130px;
	height: 45px;
	line-height: 45px;
	border-radius: 45px;
	display: inline-block;
	text-align: center;
	color: #fff;
	margin-top: 30px;
}


.join {
	width: 1200px;
	margin: 0 auto;
	margin-top: 100px;
}

.joinBox{
	display: flex;
}
.joinTxt{
	padding: 0 40px;
}
.joinTxt .title-h2{
	margin-top: 80px;
	margin-bottom: 30px;
}
.joinTxt p{
	line-height: 2;
	font-size: 14px;
}
.joinTxt a{
	background: #09377b;
	width: 168px;
	height: 40px;
	line-height: 40px;
	border-radius: 40px;
	display: inline-block;
	text-align: center;
	color: #fff;
	margin-top: 50px;
	font-size: 14px;
}


.links{
	background: #efefef;
	height: 70px;
}
.links .linksBox{
	height: 100%;
	display: flex;
	width: 1200px;
	margin: 0 auto;
	margin-top: 80px;
	align-items: center;
}
.links .linksBox img{
	height: 37px;
}
.links .linksBox a{
	color: #707070;
	font-size: 14px;
	margin-left: 50px;
}




@media screen and (max-width: 1200px){
	.homeAbout,.product,.news,.case,.join{
		width: 98%;
		flex-wrap: wrap;
		margin-top: 20px;
	}
	.links .linksBox{
		width: 98%;
	}
	.product ul,.news ul,.joinBox{
		flex-wrap: wrap;
	}
	.caseImg{
		width: 100%;
	}
	img{
		max-width: 100%;
	}
	.banner{
		margin-top: 59px;
	}
	.bannerList{
		display: none;
	}
	.banner img{
		height: auto;
		width: auto;
	}
	.bannerTxt{
		top: 30%;
	}
	.bannerTxt h2{
		font-size: 26px;
	}
	.bannerTxt p{
		font-size: 16px;
	}
	.about_left p{
		padding-right: 0;
	}
	.btn-a{
		margin-left: calc(50% - 84px);
		margin-top: 10px;
		margin-bottom: 20px;
	}
	.product ul li{
		margin-bottom: 20px;
	}
	.center{
		text-align: left;
	}
	.news ul h3{
		padding-right: 0;
		font-size: 18px;
	}
	.news ul p{
		margin-bottom: 0;
	}
	.news ul li{
		margin-bottom: 20px;
	}
	.caseMain{
		flex-wrap: wrap;
		margin-bottom: 20px;
	}
	.caseTxtbox{
		padding: 0;
	}
	.caseTxt{
		width: 100%;
	}
	.caseTxtbox a{
		margin-top: 10px;
	}
	.caseMain:nth-child(2n+2){
		flex-direction: row;
	}
	.caseMain:nth-child(2n+2) .caseTxt{
		position: relative;
		top: 0;
		transform: translateY(0%);
	}
	.caseTxtbox .title-h2{
		font-size: 24px;
		margin-bottom: 10px;
	}
	.caseImg{
		margin-bottom: 10px;
	}
	.joinTxt{
		padding: 0;
	}
	.joinTxt .title-h2{
		margin-top: 20px;
		font-size: 24px;
		margin-bottom: 10px;
	}
	.links{
		display: none;
	}
	
	.caseMain:nth-child(2n+2) .caseImg{
		text-align: left;
	}
	
}


@media screen and (max-width: 700px){
	
	.banner img{
		height: 200px;
	}
	
}