.banner{
	position: relative;
}

/* section样式 */
section ul{
	height: 50px;
	margin-bottom: 10%;
}

section ul li{
	display: block;
	float: left;
	color: #fff;
	width: 25%;
	height: 100%;
	font-size: 20px;
	line-height: 50px;
}

section ul li img{
	float: right;
	width: 20%;
	height: 100%;
	margin-right: 20%;
}

/* swiper样式 */
.swiper-container {
    width: 100%;
    height: 100%;
}

.swiper-slide {
  	text-align: center;
  	font-size: 18px;
  	background: #fff;
  	/* Center slide text vertically */
 	 display: -webkit-box;
 	 display: -ms-flexbox;
  	display: -webkit-flex;
  	display: flex;
  	-webkit-box-pack: center;
  	-ms-flex-pack: center;
  	-webkit-justify-content: center;
  	justify-content: center;
 	-webkit-box-align: center;
 	-ms-flex-align: center;
  	-webkit-align-items: center;
  	align-items: center;
}

.swiper-slide img {
	display: block;
}
	
/* /////////// */


/* 主体内容公司简介main样式 */

.main {
    padding-bottom: 120px;
}

.main .item1 {
	padding-top: 85px;
}

.main .item1 h4.title {
	font-family: 'pingfang';
	font-size: 56px;
	color: #3c3c3c;
	text-align: center;
	font-weight: 500;
	line-height: 86px;
}

.main .item1 p.summary {
	font-size: 16px;
	color: #575757;
	text-align: center;
	line-height: 46px;
}

.main .item1 a.more {
	display: block;
	width: 136px;
	height: 44px;
	font-size: 16px;
	color: #1eb6a9;
	text-align: center;
	line-height: 44px;
	box-sizing: border-box;
	border: 1px solid #1eb6a9;
	margin: 0 auto;
	margin-top: 15px;
}

.main .item1 .product_typelist {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
	padding-top: 40px;
	padding-bottom: 0px;
}

.main .item1 .product_typelist>div {
	width: calc((100% - 120px) / 3);
}

.main .item1 .product_typelist .product_type .pic {
	overflow: hidden;
}

.main .item1 .product_typelist .product_type img {
	display: block;
	width: 100%;
	transition: 0.7s;
}

.main .item1 .product_typelist .product_type:hover img {
	transform: scale(1.2);
}

.main .item1 .product_typelist .product_type p {
	font-size: 18px;
	color: #545454;
	text-align: center;
	line-height: 80px;
}

.main .item2 {
	height: 1220px;
	width: 100%;
	background-image: url(../images/about_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item2 .l {
	width: 635px;
}

.main .item2 .l h5 {
	font-size: 132px;
	font-weight: 500;
	line-height: 132px;
	color: #FFFFFF;
	text-align: right;
	font-style: italic;
	letter-spacing: 3px;
	margin-right: -66px;
	margin-top: 110px;
}

.main .item2 .l img {
	display: block;
	width: 100%;
}

.main .item2 .l .summary {
	padding-top: 10px;
	padding-bottom: 15px;
}

.main .item2 .l .summary p {
	font-size: 14px;
	color: #ffffff;
	padding-right: 10px;
	line-height: 26px;
	text-align: justify;
}

.main .item2 .l .summary p:first-child {
    display: none;
}

.main .item2 .l a.more {
	width: 135px;
	height: 45px;
	display: block;
	text-align: center;
	line-height: 45px;
	font-size: 16px;
	color: #1eb6a9;
	box-sizing: border-box;
	border: 1px solid #1eb6a9;
}

.main .item2 .r {
	width: 615px;
}

.main .item2 .r h5 {
	font-family: 'pingfang';
	font-size: 34px;
	color: #FFFFFF;
	text-align: right;
	letter-spacing: 0px;
	line-height: 66px;
	padding-top: 130px;
}

.main .item2 .r p.duanyu {
	font-family: 'pingfang';
	font-size: 18px;
	color: #909090;
	font-weight: 600;
	text-align: right;
	line-height: 48px;
	/*background-image: url(../images/about_bg1.jpg);*/
	background-repeat: no-repeat;
	background-position: left 100px center;
}

.main .item2 .r .summary {
	padding-top: 10px;
	padding-bottom: 15px;
}

.main .item2 .r .summary p {
	font-size: 14px;
	line-height: 26px;
	color: #ffffff;
	text-align: justify;
}

.main .item2 .r .pic {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}

.main .item2 .r .pic img {
	display: block;
}

.main .item3 {
	padding-top: 100px;
}

.main .item3 .item3_top .l {
	width: 570px;
}

.main .item3 .item3_top .l img {
	display: block;
	width: 100%;
}

.main .item3 .item3_top .r {
	width: calc(100% - 605px);
}

.main .item3 .item3_top .r h5.cn {
	font-family: 'pingfang';
	font-size: 36px;
	color: #3c3c3c;
	line-height: 56px;
	margin-top: 20px;
}

.main .item3 .item3_top .r h5.en {
	font-family: arial;
	font-size: 24px;
	color: #3c3c3c;
	line-height: 44px;
	opacity: 0.7;
	font-weight: 500;
	padding-bottom: 15px;
}

.main .item3 .item3_top .r p.summary {
	font-size: 16px;
	color: #575757;
	line-height: 24px;
}

.main .item3 .item3_top .r a.more {
	display: block;
	width: 136px;
	height: 45px;
	font-size: 16px;
	color: #1eb6a9;
	text-align: center;
	line-height: 45px;
	box-sizing: border-box;
	border: 1px solid #1eb6a9;
	margin-top: 30px;
}

.main .item3 .item3_bottom {
	position: relative;
	height: 350px;
}

.main .item3 ul.item3_ul {
	width: calc(100% - 240px);
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
	margin-left: 240px;
	position: absolute;
	top: -240px;
}

.main .item3 .item3_ul li {
	width: calc((100% - 70px) / 3);
}

.main .item3 .item3_ul li .pic img {
	display: block;
	width: 100%;
	transition: 0.7s;
}

.main .item3 .item3_ul li:hover .pic img {
	transform: translateY(20px);
}

.main .item3 .item3_ul li .txt h5 {
	font-family: 'pingfang';
	font-size: 18px;
	color: #4c4c4c;
	line-height: 36px;
	padding-top: 23px;
	padding-bottom: 20px;
}

.main .item3 .item3_ul li .txt p {
	font-size: 14px;
	color: #686868;
	line-height: 24px;
	text-align: justify;
}

.main .item4 {
	background-image: url(../images/kehu_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	height: 1020px;
}

.main .item4 h5.cn {
	font-family: 'pingfang';
	font-size: 56px;
	font-weight: 500;
	color: #FFFFFF;
	text-align: center;
	line-height: 74px;
	padding-top: 81px;
	letter-spacing: 3px;
}

.main .item4 h5.en {
	font-family: arial;
	font-size: 28px;
	color: #ffffff;
	text-align: center;
	line-height: 46px;
	opacity: 0.4;
	font-weight: 500;
	letter-spacing: 5px;
}

.main .item4 p.summary {
	font-size: 14px;
	color: #FFFFFF;
	line-height: 22px;
	text-align: center;
	padding-top: 25px;
	padding-bottom: 20px;
}

.main .item4 ul.kehu {
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
}

.main .item4 ul.kehu li {
	margin: 0 10px;
}

.main .item4 ul.kehu li img {
	display: block;
}

.main .item4 .ditu img {
	display: block;
	max-width: 100%;
	margin: 0 auto;
	margin-top: 40px;
}

.main .item5 {
	/*padding-bottom: 120px;*/
}

.main .item5 .item5_top h5.cn {
	font-family: 'pingfang';
	font-size: 56px;
	color: #3c3c3c;
	text-align: center;
	line-height: 86px;
	/*font-weight: 500;*/
	padding-top: 55px;
	letter-spacing: 3px;
}

.main .item5 .item5_top h5.en {
	font-family: arial;
	font-size: 28px;
	color: #3c3c3c;
	text-align: center;
	line-height: 58px;
	opacity: 0.7;
	font-weight: 500;
	letter-spacing: 3px;
}

.main .item5 .item5_bottom {
	padding-top: 45px;
}

.main .item5 .item5_bottom .r {
	width: calc(100%);
}

.main .item5 .item5_bottom .r ul.news_list:after {
	display: table;
	content: "";
	clear: both;
}

.main .item5 .item5_bottom .r ul.news_list li {
	width: calc(100% / 2);
	box-sizing: border-box;
	padding-right: 40px;
	float: left;
	margin-bottom: 45px;
}

.main .item5 .item5_bottom .r ul.news_list li p.addtime {
	font-size: 14px;
	color: #505050;
	font-weight: 600;
	line-height: 14px;
}

.main .item5 .item5_bottom .r ul.news_list li h5 {
	font-size: 18px;
	color: #444444;
	line-height: 52px;
	padding-bottom: 5px;
}

.main .item5 .item5_bottom .r ul.news_list li p.summary {
	font-size: 14px;
	color: #686868;
	line-height: 22px;
}

.main .item5 .item5_bottom .r ul.news_list li span.more {
	display: block;
	width: 136px;
	height: 45px;
	font-size: 16px;
	color: #1eb6a9;
	text-align: center;
	line-height: 45px;
	box-sizing: border-box;
	border: 1px solid #1eb6a9;
	margin-top: 15px;
}

@media screen and (max-width: 1350px ) {
    
    .main .item2 .l,
    .main .item2 .r {
        width: 590px;
    }
    
    .main .item3 ul.item3_ul {
        top: -210px;
    }
    
    .main .item5 .item5_bottom .r ul.news_list li {
        padding-right: 20px;
    }
    
}

@media screen and (max-width: 550px ) {
	
	.main .item1 {
		padding-top: 0px;
	}
	
	.main .item1 h4.title {
		font-size: 28px;
		line-height: 56px;
	}
	
	.main .item1 p.summary {
		box-sizing: border-box;
		padding: 0 10px;
		font-size: 14px;
		line-height: 26px;
	}
	
	.main .item1 .product_typelist {
		flex-flow: row wrap;
		box-sizing: border-box;
		padding: 0 10px;
		padding-top: 20px;
	}	
	
	.main .item1 .product_typelist>div {
		width: 100%;
	}
	
	.main .item1 .product_typelist .product_type p {
		font-size: 16px;
		line-height: 40px;
		padding-bottom: 10px;
	}
	
	.main .item2 {
		/*background-size: auto 100%;*/
		height: auto;
		background-image: none;
		background-color: #1e1f20;
	}
	
	.main .item2 .l,
	.main .item2 .r {
		width: 100%;
		box-sizing: border-box;
		padding: 0 10px;
	}
	
	.main .item2 .l h5 {
		display: none;
	}
	
	.main .item2 .l img {
		padding-top: 10px;
	}
	
	.main .item2 .l .summary {
		padding-top: 10px;
	}
	
	.main .item2 .l .summary p {
		font-size: 14px;
		padding-right: 0px;
	}
	
	.main .item2 .r h5 {
		font-size: 18px;
		text-align: center;
		padding-top: 20px;
	}
	
	.main .item2 .r p.duanyu {
		background-image: none;
		line-height: 38px;
	}
	
	.main .item2 .r .summary {
		padding-top: 10px;
		padding-bottom: 10px;
	}
	
	.main .item2 .r .summary p {
		font-size: 14px;
	}
	
	.main .item2 .r .pic img {
		width: calc(50% - 5px);
	}
	
	.main .item3 {
		padding-top: 20px;
	}
	
	.main .item3 .item3_top .l,
	.main .item3 .item3_top .r {
		width: 100%;
		box-sizing: border-box;
		padding: 0 10px;
	}
	
	.main .item3 .item3_bottom {
		position: inherit;
		height: auto;
	}
	
	.main .item3 ul.item3_ul {
		top: 0px;
		position: inherit;
	}
	
	.main .item3 .item3_top .r h5.cn {
		font-size: 28px;
	}
	
	.main .item3 .item3_top .r h5.en {
		font-size: 18px;
		line-height: 34px;
		padding-bottom: 10px;
	}
	
	.main .item3 .item3_top .r p.summary {
		font-size: 14px;
	}
	
	.main .item3 .item3_top .r a.more {
		margin-top: 15px;
	}
	
	.main .item3 ul.item3_ul {
		width: 100%;
		margin-left: 0px;
		padding-top: 20px;
		flex-flow: row wrap;
	}
	
	.main .item3 .item3_ul li {
		width: 100%;
		box-sizing: border-box;
		padding: 0 10px;
		padding-bottom: 15px;
	}
	
	.main .item3 .item3_ul li .txt h5 {
		padding-top: 0px;
		line-height: 48px;
	}
	
	.main .item4 {
		height: auto;
		padding-bottom: 10px;
	}
	
	.main .item4 h5.cn {
		font-size: 28px;
		line-height: 56px;
		padding-top: 10px;
	}
	
	.main .item4 h5.en {
		font-size: 18px;
		line-height: 34px;
	}
	
	.main .item4 p.summary {
		padding: 10px;
		padding-top: 0px;
	}
	
	.main .item4 ul.kehu {
		display: none;
		flex-flow: row wrap;
		justify-content: space-between;
	}

	.main .item5 {
		padding-bottom: 80px;
	}
	
	.main .item5 .item5_top h5.cn {
		font-size: 28px;
		line-height: 56px;
		padding-top: 0px;
	}
	
	.main .item5 .item5_top h5.en {
		font-size: 18px;
		line-height: 34px;
	}
	
	.main .item5 .item5_bottom {
		padding-top: 0px;
	}
	
	.main .item5 .item5_bottom .l,
	.main .item5 .item5_bottom .r {
		width: 100%;
	}
	
	.main .item5 .item5_bottom .r ul.news_list li {
		width: 100%;
		padding: 0 10px;
		margin-bottom: 15px;
	}
	
	.main .item5 .item5_bottom .r ul.news_list li h5 {
		font-size: 16px;
		line-height: 36px;
		padding-bottom: 0px;
	}
	
	.main .item5 .item5_bottom .r ul.news_list li span.more {
		font-size: 14px;
		width: 100px;
		height: 35px;
		line-height: 35px;
	}
	
}