.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;
}

.banner .container {
	position: relative;
	bottom: 60px;
	z-index: 10;
}

.banner .banner_txt {
	width: 100%;
	height: 116px;
	box-sizing: border-box;
	padding: 0 60px;
	background-color: #FFFFFF;
	background-image: url(../images/like.png);
	background-repeat: no-repeat;
	background-position: right 60px center;
}

.banner .banner_txt p {
	font-family: 'pingfang';
	font-size: 24px;
	color: #666666;
	line-height: 116px;
}

.banner .banner_txt p span {
	font-family: "微软雅黑";
	font-size: 24px;
	color: #222222;
	line-height: 116px;
	font-weight: bold;
}
	
/* /////////// */


/* 主体内容公司简介main样式 */

.main .item1 {
	background-image: url(../images/i_item1_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	padding-top: 112px;
	margin-top: -116px;
	padding-bottom: 100px;
}

.main .item1 .title:after {
	display: table;
	content: "";
	clear: both;
}

.main .item1 .title h5 {
	float: left;
	font-size: 40px;
	color: #222222;
	font-weight: bold;
	line-height: 116px;
}

.main .item1 .title a.more {
	float: right;
	display: block;
	font-family: "Dinl";
	font-size: 22px;
	color: #222222;
	line-height: 116px;
	padding-right: 28px;
	background-image: url(../images/more.jpg);
	background-repeat: no-repeat;
	background-position: right center;
	font-weight: bold;
}

.main .item1 .content .l {
	width: calc((795 / 1350) * 100%);
	position: relative;
}

.main .item1 .content .l .pic img {
	width: 100%;
	display: block;
}

.main .item1 .content .l .txt {
	width: 100%;
	height: 100%;
	position:absolute;
	left: 0;
	top: 0;
	box-sizing: border-box;
	padding: 0 65px;
	padding-top: 270px;
}

.main .item1 .content .l .txt h5 {
	font-size: 30px;
	color: #FFFFFF;
	font-weight: bold;
	line-height: 80px;
}

.main .item1 .content .l .txt p {
	font-size: 16px;
	color: #ebebeb;
	line-height: 26px;
}

.main .item1 .content .r {
	width: calc((546 / 1350) * 100%);
}

.main .item1 .content .r ul.news_list {
	
}

.main .item1 .content .r ul.news_list li {
	box-sizing: border-box;
	width: 100%;
	padding: 0 40px;
	background-color: #FFFFFF;
	border-bottom: 1px solid #f2f2f2;
}

.main .item1 .content .r ul.news_list li a {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}

.main .item1 .content .r ul.news_list li p {
	font-size: 20px;
	color: #444444;
	font-weight: bold;
	line-height: 110px;
	width: calc(100% - 130px);
}

.main .item1 .content .r ul.news_list li .date,
.main .item1 .content .r ul.news_list li .year {
	font-family: "Dinl";
	font-size: 22px;
	width: 50px;
	line-height: 110px;
	font-weight: bold;
}

.main .item1 .content .r ul.news_list li .date {
	color: #444444;
}

.main .item1 .content .r ul.news_list li .date span {
	color: #dc3e23;
	font-family: 'Dinl';
}

.main .item1 .content .r ul.news_list li .year {
	color: #999999;
}

.main .item2 {
	background-color: #ffffff;
	padding: 100px 0px;
}

.main .item2 ul.product_typelist:after {
	display: table;
	content: "";
	clear: both;
}

.main .item2 ul.product_typelist {
	margin-left: -5px;
	margin-right: -5px;
}

.main .item2 ul.product_typelist li {
	float: left;
	margin: 0 5px;
	margin-bottom: 10px;
	width: calc((100% - 30px) / 3);
	position: relative;
}

.main .item2 ul.product_typelist li:last-child {
	width: calc(100% - (100% / 3) - 10px);
}

.main .item2 ul.product_typelist li .pic img {
	display: block;
	width: 100%;
}

.main .item2 ul.product_typelist li .layer {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(220,62,35,.9);
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item2 ul.product_typelist li:nth-child(even) .layer {
	background-color: rgba(220,166,35,.9);
}

.main .item2 ul.product_typelist li .layer p {
	display: block;
	position: absolute;
	left: 50%;
	top: calc(50% + 60px);
	transform: translateX(-50%) translateY(-50%);
	font-size: 24px;
	font-weight: bold;
	color: #FFFFFF;
}

.main .item2 ul.product_typelist li:nth-child(1) .layer {
	background-image: url(../images/i_item2_i1.png);
}

.main .item2 ul.product_typelist li:nth-child(2) .layer {
	background-image: url(../images/i_item2_i2.png);
}

.main .item2 ul.product_typelist li:nth-child(3) .layer {
	background-image: url(../images/i_item2_i3.png);
}

.main .item2 ul.product_typelist li:nth-child(4) .layer {
	background-image: url(../images/i_item2_i4.png);
}

.main .item2 ul.product_typelist li:hover .layer {
	background-color: rgba(0,0,0,.5);
}

.main .item2 ul.product_typelist li .layer a {
	display: block;
	width: 100%;
	height: 100%;
}

.main .item3 {
	height: 760px;
	background-image: url(../images/i_item3_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	box-sizing: border-box;
	padding: 100px 0px;
}

.main .item3 .about_top {
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
}

.main .item3 .about_top .l {
	width: calc((897 / 1350) * 100%);
	background-image: url(../images/i_about_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	box-sizing: border-box;
	padding: 0 70px;
}

.main .item3 .about_top .l h5 {
	font-size: 40px;
	font-weight: bold;
	color: #222222;
	line-height: 140px;
	padding-top: 15px;
}

.main .item3 .about_top .l h6 {
	font-size: 26px;
	color: #222222;
	font-weight: bold;
	line-height: 26px;
}

.main .item3 .about_top .l h6 span {
	display: inline-block;
	font-size: 26px;
	color: #dc3e23;
	font-weight: 500;
	line-height: 26px;
	border-left: 1px solid #acacac;
	margin-left: 24px;
	padding-left: 24px;
}

.main .item3 .about_top .l p.summary {
	font-size: 18px;
	color: #666666;
	line-height: 36px;
	padding-top: 21px;
	padding-bottom: 41px;
}

.main .item3 .about_top .l a.more {
	display: inline-block;
	font-family: "Dinl";
	font-size: 22px;
	color: #222222;
	line-height: 22px;
	padding-right: 28px;
	background-image: url(../images/more.jpg);
	background-repeat: no-repeat;
	background-position: right center;
	font-weight: bold;
}

.main .item3 .about_top .r {
	width: calc((453 / 1350) * 100%);
}

.main .item3 .about_top .r img {
	display: block;
	width: 100%;
}

.main .item3 .about_bottom {
	margin-top: 10px;
}

.main .item3 .about_bottom img {
	display: block;
	width: 100%;
}

.main .item4 {
	padding-top: 60px;
	padding-bottom: 100px;
}

.main .item4 h5.title {
	font-size: 40px;
	color: #222222;
	line-height: 120px;
}

.main .item4 ul {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}

.main .item4 ul li {
	width: calc((100% - 20px) / 3);
}

.main .item4 ul li .pic img {
	display: block;
	width: 100%;
}

.main .item4 ul li p {
	font-size: 20px;
	color: #666666;
	line-height: 66px;
	padding-left: 40px;
	padding-right: 40px;
	background-color: #f0f0f0;
	background-repeat: no-repeat;
	background-position: right 40px center;
}

.main .item4 ul li:nth-of-type(1) p {
	background-image: url(../images/i_item4_i1.png);
}

.main .item4 ul li:nth-of-type(2) p {
	background-image: url(../images/i_item4_i2.png);
}

.main .item4 ul li:nth-of-type(3) p {
	background-image: url(../images/i_item4_i3.png);
}

.main .item4 ul li:hover p {
	background-color: #dc3e23;
	color: #FFFFFF;
}

.main .item4 ul li:nth-of-type(1):hover p {
	background-image: url(../images/i_item4_w1.png);
}

.main .item4 ul li:nth-of-type(2):hover p {
	background-image: url(../images/i_item4_w2.png);
}

.main .item4 ul li:nth-of-type(3):hover p {
	background-image: url(../images/i_item4_w3.png);
}

@media screen and (max-width: 1430px) {
	
	.main .item1 .content .l .txt {
		padding-top: 220px;
	}
	
	.main .item1 .content .r ul.news_list li {
		padding: 0 20px;
	}
	
	.main .item1 .content .r ul.news_list li p {
		font-size: 18px;
		line-height: 98px;
	}
	
	.main .item1 .content .r ul.news_list li .date,
	.main .item1 .content .r ul.news_list li .year {
		line-height: 98px;
	}
	
	.main .item3 .about_top .l h5 {
		line-height: 90px;
	}
	
}

@media only screen and (max-width: 550px ) {
	
	.banner img {
		transform: translateX(0%);
	}
	
	.banner .banner_txt {
		display: none;
	}
	
	.main .item1 {
		padding-bottom: 0px;
	}
	
	.main .item1 .title h5 {
		float: none;
		text-align: center;
		font-size: 24px;
		line-height: 64px;
	}
	
	.main .item1 .title a.more {
		display: none;
	}
	
	.main .item1 .content .l {
		float: none;
		width: 100%;
	}
	
	.main .item1 .content .l .txt {
		padding: 0 10px;
		padding-top: 30px;
		background-color: rgba(0,0,0,.4);
	}
	
	.main .item1 .content .l .txt h5 {
		font-size: 20px;
		line-height: 40px;
	}
	
	.main .item1 .content .l .txt p {
		font-size: 14px;
	}
	
	.main .item1 .content .r {
		float: none;
		width: 100%;
	}
	
	.main .item1 .content .r ul.news_list li {
		padding: 0 10px;
	}
	
	.main .item1 .content .r ul.news_list li a {
		flex-flow: row nowrap;
		justify-content: space-between;
	}
	
	.main .item1 .content .r ul.news_list li p {
		font-size: 14px;
		line-height: 56px;
	}
	
	.main .item1 .content .r ul.news_list li .date, 
	.main .item1 .content .r ul.news_list li .year {
		font-size: 18px;
		line-height: 56px;
	}
	
	.main .item2 {
		padding: 10px 0px;
	}
	
	.main .item2 ul.product_typelist li {
		width: calc((100% - 20px) / 2);
		margin-bottom: 5px;
	}
	
	.main .item2 ul.product_typelist li:last-child {
		width: 100%;
	}
	
	.main .item2 ul.product_typelist li .layer {
		background-size: 50px;
		background-position: top calc(50% - 20px) center;
	}
	
	.main .item2 ul.product_typelist li .layer p {
		width: 100%;
		font-size: 16px;
		text-align: center;
		top: calc(50% + 20px);
	}
	
	.main .item3 {
		padding: 0px;
		height: auto;
	}
	
	.main .item3 .about_top {
		flex-flow: row wrap;
	}
	
	.main .item3 .about_top .l {
		width: 100%;
		padding: 0 10px;
		padding-bottom: 20px;
		background-position: bottom center;
	}
	
	.main .item3 .about_top .l h5 {
		font-size: 24px;
		line-height: 64px;
		padding-top: 0px;
	}
	
	.main .item3 .about_top .l h6 {
		display: none;
	}
	
	.main .item3 .about_top .l p.summary {
		font-size: 16px;
		line-height: 32px;
		padding-top: 0px;
		padding-bottom: 10px;
	}
	
	.main .item3 .about_top .r {
		width: 100%;
	}
	
	.main .item3 .about_bottom {
		display: none;
	}
	
	.main .item4 {
		display: none;
	}
	
}