.banner{
	
}

/* 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;
}
	
section .search {
	width: 100%;
	height: 60px;
	background-color: #f8f8f8;
	border-bottom: 1px solid #ebebeb;
}

section .search .fl {
	font-size: 16px;
	color: #666666;
	line-height: 60px;
	padding-left: 20px;
}

section .search .fr {
	padding-right: 20px;
}

section .search .fr #keyword {
	width: 250px;
	height: 35px;
	border: 1px solid #aeaeae;
	background-color: #FFFFFF;
	margin-top: 12.5px;
}

section .search .fr #search {
	width: 65px;
	height: 35px;
	text-align: center;
	line-height: 35px;
	background-color: #f37020;
	color: #FFFFFF;
	border: 0px;
	margin-top: 12.5px;
}
/* /////////// */


/* 主体内容公司简介.about样式 */
.main {
	background-color: #eef2f5;
	padding-top: 110px;
}

.main .item1 {
	width: 100%;
	height: 508px;
	background-color: #FFFFFF;
	box-sizing: border-box;
	background-image: url(../images/item1_p1.jpg);
	background-repeat: no-repeat;
	background-position: right center;
	padding-top: 60px;
}

.main .item1 .left_txt {
	width: 485px;
	background-color: rgba(255,255,255,.8);
	margin-right: -60px;
}

.main .item1 .left_txt h3.en_title {
	font-size: 48px;
	font-family: enfont;
	color: #21478b;
	line-height: 48px;
}

.main .item1 .left_txt h3.title {
	font-family: pingfang;
	font-size: 36px;
	color: #333333;
	line-height: 72px;
	margin-bottom: 35px;
}

.main .item1 .left_txt .item1_txt {
	margin-bottom: 80px;
}

.main .item1 .left_txt .item1_txt p {
	font-family: pingfangh;
	font-size: 18px;
	line-height: 24px;
	color: #333333;
	width: 400px;
}

.main .item1 .left_txt a.more {
	display: inline-block;
	font-family: pingfangh;
	font-size: 14px;
	color: #333333;
	padding-right: 18px;
	background-image: url(../images/more.png);
	background-repeat: no-repeat;
	background-position: right center;
}

.main .item2 {
	padding-top: 100px;
	padding-bottom: 105px;
}

.main .item2_top .l h3.en_title {
	font-size: 48px;
	font-family: enfont;
	color: #21478b;
	line-height: 48px;
}

.main .item2_top .l h3.title {
	font-family: pingfang;
	font-size: 36px;
	color: #333333;
	line-height: 72px;
	margin-bottom: 35px;
}

.main .item2_top .r .type_list {
	margin-top: 70px;
}

.main .item2_top .r .type_list li {
	float: left;
	font-family: pingfangh;
	font-size: 24px;
	color: #333333;
	margin-left: 190px;
	cursor: pointer;
}

.main .item2_top .r .type_list li.active {
	font-family: pingfang;
	color: #ff0002;
}

.main .item2_bottom {
	margin-left: calc((100% - 1200px) / 2);
	padding-right: calc((100% - 1200px) / 2);
	padding-top: 45px;
	padding-bottom: 45px;
	background-color: #FFFFFF;
}

.main .item2_bottom .product_list li:after {
	display: table;
	content: "";
	clear: both;
}

.main .item2_bottom .product_list li {
	display: none;
}

.main .item2_bottom .product_list li.active {
	display: block;
}

.main .item2_bottom .product_list li .l {
	width: 50%;
	box-sizing: border-box;
	padding-left: 30px;
	padding-right: 100px;
}

.main .item2_bottom .product_list li .l h4.product_title {
	font-family: pingfang;
	font-size: 24px;
	color: #333333;
	line-height: 24px;
	margin-bottom: 60px;
}

.main .item2_bottom .product_list li .l .product_summary {
	font-family: pingfangh;
	font-size: 18px;
	color: #333333;
	line-height: 30px;
}

.main .item2_bottom .product_list li .l .product_btn>div {
	width: 45px;
	height: 10px;
	display: inline-block;
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item2_bottom .product_list li .l .product_btn>div:nth-of-type(1) {
	background-image: url(../images/prev.png);
	margin-right: 50px;
}

.main .item2_bottom .product_list li .l .product_btn>div:nth-of-type(2) {
	background-image: url(../images/next.png);
}

.main .item2_bottom .product_list li .r .pic {
	margin-right: 70px;
}

.main .item3 {
	background-image: url(../images/item3_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	width: 100%;
}

.main .item3 h3.en_title {
	font-size: 48px;
	font-family: enfont;
	color: #ffffff;
	line-height: 48px;
	padding-top: 44px;
}

.main .item3 h3.title {
	font-size: 36px;
	font-family: pingfang;
	color: #FFFFFF;
	line-height: 68px;
	padding-bottom: 20px;
}

.main .item3 .item3_summary {
	font-family: pingfangh;
	font-size: 16px;
	color: #FFFFFF;
	line-height: 24px;
	padding-bottom: 50px;
}

.main .item3 .technical_list li {
	float: left;
	width: calc(100% / 3);
	height: 235px;
	background-color: rgba(255,255,255,.8);
	position: relative;
}

.main .item3 .technical_list li p {	
	font-family: pingfangh;
	font-size: 20px;
	line-height: 28px;
	color: #333333;
	padding: 0 40px;
	margin-top: 90px;
}

.main .item3 .technical_list li:nth-child(even) {
	background-color: rgba(216,0,20,.8);
}

.main .item3 .technical_list li:nth-child(even) p {
	color: #FFFFFF;
}

.main .item3 .technical_list li:nth-of-type(5) {
	background-image: url(../images/item3_p1.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item4 {
	padding-bottom: 115px;
}

.main .item4 h3.en_title {
	font-size: 48px;
	font-family: enfont;
	color: #21478b;
	line-height: 48px;
	padding-top: 95px;
}

.main .item4 h3.title {
	font-size: 36px;
	font-family: pingfang;
	color: #333333;
	line-height: 72px;
	padding-bottom: 20px;
}

.main .item4 .item4_summary {
	font-family: pingfangh;
	font-size: 16px;
	color: #333333;
	line-height: 16px;
	padding-bottom: 35px;
}

.main .item4 .case_list li {
	float: left;
	margin-right: -1px;
	width: calc((100% - 507px) / 4);
	height: 458px;
	box-sizing: border-box;
	border: 1px solid #FFFFFF;
	overflow: hidden;
	-webkit-transition: all 0.7s ease;
	-moz-transition: all 0.7s ease;
	-ms-transition: all 0.7s ease;
	-o-transition: all 0.7s ease;
	transition: all 0.7s ease;
}

.main .item4 .case_list li.active {
	width: 507px;
}

.main .item4 .case_list li .list_bg {
	background-repeat: no-repeat;
	background-position: bottom center;
	background-size: cover;
	width: 507px;
	height: 458px;
	position: relative;
}

.main .item4 .case_list li .list_bg .txt {
	width: 100%;
	height: 100px;
	box-sizing: border-box;
	padding-left: 14px;
	background-color: rgba(0,0,0,.6);
	position: absolute;
	bottom: 0px;
	opacity: 0;
	transition: all 0.7s ease;
}

.main .item4 .case_list li .list_bg .txt h4 {
	font-family: pingfangh;
	font-size: 18px;
	color: #FFFFFF;
	line-height: 46px;
	background-image: url(../images/case_title_bg.jpg);
	background-repeat: no-repeat;
	background-position: left calc(4em + 5px) bottom 14px;
}

.main .item4 .case_list li .list_bg .txt p {
	font-family: pingfangh;
	font-size: 16px;
	color: #FFFFFF;
	line-height: 18px;
}

.main .item4 .case_list li.active .list_bg .txt {
	opacity: 1;
}

@media screen and (max-width: 1230px) {
	.main .item1 .left_txt {
		margin: 0 auto;
		text-align: center;
		padding: 30px 0px;
	}
	
	.main .item1 .left_txt h3.en_title {
		text-align: center;
	}
	
	.main .item1 .left_txt h3.title {
		text-align: center;
	}
	
	.main .item1 .left_txt .item1_txt {
		margin-bottom: 40px;
	}
	
	.main .item1 .left_txt .item1_txt p {
		margin: 0 auto;
	}
	
}

@media screen and (max-width: 1030px) {
	.main .item2_top .r .type_list li {
		margin-left: 100px;
	}
	
	.main .item2_bottom {
		margin-left: 0px;
		padding-right: 0px;
	}
	
	.main .item2_bottom .product_list li .l {
		padding-left: 0px;
		padding-right: 0px;
	}
	
	.main .item2_bottom .product_list li .l .product_summary {
		margin-bottom: 80px;
	}
	
	.main .item3 .item3_summary {
		padding-bottom: 30px;
	}
	
	.main .item3 .technical_list li p {
		margin-top: 60px;
	}
}

@media screen and (max-width: 450px) {
	.main {
		padding-top: 20px !important;
	}
	
	.main .item1 .left_txt {
		width: 100%;
		background-color: rgba(255,255,255,.9);
	}
	
	.main .item1 .left_txt h3.en_title {
		font-size: 40px;
		line-height: 40px;
	}
	
	.main .item1 .left_txt h3.title {
		font-size: 30px;
		line-height: 45px;
	}
	
	.main .item2 {
		padding-top: 20px;
		padding-bottom: 20px;
	}
	
	.main .item2_top .l,
	.main .item2_top .r {
		float: none;
		width: 100%;
	}
	
	.main .item2_top .l h3.en_title {
		text-align: center;
		font-size: 40px;
		line-height: 40px;
	}
	
	.main .item2_top .l h3.title {
		text-align: center;
		margin-bottom: 0px;
		font-size: 30px;
		line-height: 45px;
	}
	
	.main .item2_top .r .type_list {
		margin-top: 20px;
		margin-bottom: 20px;
	}
	
	.main .item2_top .r .type_list li {
		margin: 0 calc((50% - 80px) / 2);
		font-size: 20px;
	}
	
	.main .item2_bottom {
		padding-top: 25px;
	}
	
	.main .item2_bottom .product_list li .l {
		width: 100%;
		text-align: center;
	}
	
	.main .item2_bottom .product_list li .l h4.product_title {
		margin-bottom: 20px;
		font-size: 20px;
	}
	
	.main .item2_bottom .product_list li .l .product_summary {
		margin-bottom: 40px;
		padding: 0 10px;
		font-size: 16px;
	}
	
	.main .item2_bottom .product_list li .l .product_btn {
		display: none;
	}
	
	.main .item2_bottom .product_list li .r {
		width: 100%;
	}
	
	.main .item2_bottom .product_list li .r .pic {
    	margin-right: 0px;
    }
	
	.main .item2_bottom .product_list li .r .pic img {
		display: block;
		width: 100%;
		margin: 0 auto;
	}
	
	.main .item3 h3.en_title {
		text-align: center;
		line-height: 28px;
		font-size: 28px;
		padding-top: 10px;
	}
	
	.main .item3 h3.title {
		font-size: 30px;
		line-height: 45px;
		text-align: center;
	}
	
	.main .item3 .item3_summary {
		padding: 0 10px;
		padding-bottom: 10px;
	}
	
	.main .item3 .technical_list li {
		height: 175px;
	}
	
	.main .item3 .technical_list li p {
		font-size: 16px;
		line-height: 20px;
		padding: 0 10px;
		margin-top: 25px;
	}
	
	.main .item4 {
		padding-bottom: 0px;
	}
	
	.main .item4 h3.en_title {
		font-size: 28px;
		line-height: 30px;
		text-align: center;
		padding-top: 25px;
	}
	
	.main .item4 h3.title {
		font-size: 30px;
		line-height: 45px;
		text-align: center;
	}
	
	.main .item4 .item4_summary {
		line-height: 24px;
		padding: 0 10px;
		padding-bottom: 20px;
	}
	
	.main .item4 .case_list li {
		float: none;
		width: 100%;
		height: 100px;
	}
	
	.main .item4 .case_list li.active {
		height: 300px;
		width: 100%;
	}
	
	.main .item4 .case_list li .list_bg {
		width: 100%;
		height: 300px;
	}
	
	.main .item4 .case_list li .list_bg .txt {
		height: 100px;
	}
	
	.main .item4 .case_list li .list_bg .txt p {
		line-height: 20px;
	}
}