.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 {

}

.main .item1 {
  padding-top: 90px;
  padding-bottom: 76px;
}

.main .item1 h2.title {
  font-family: 'pingfang';
  font-size: 48px;
  color: #3d3d3d;
  text-align: center;
  line-height: 78px;
  font-weight: 600;
  letter-spacing: 2px;
}

.main .item1 a.more {
  display: block;
  font-size: 24px;
  color: #f0741e;
  text-align: center;
  line-height: 54px;
  font-family: 'helv';
}

.main .item1 .product_typelist {
  padding-top: 40px;
}

.main .item1 .product_typelist .l {
  width: calc((670 / 1380) * 100%);
}

.main .item1 .product_typelist .r {
  width: calc((670 / 1380) * 100%);
}

.main .item1 .product_typelist .l .typelist {
  position: relative;
}

.main .item1 .product_typelist .l .typelist img {
  display: block;
  width: 100%;
}

.main .item1 .product_typelist .l .typelist .layer {
  width: calc(100% - 48px);
  height: calc(100% - 48px);
  background-color: rgba(0,0,0,.6);
  position: absolute;
  left: 24px;
  top: 24px;
  transition: 0.5s;
  transform: scale(0.001);
  opacity: 0;
}

.main .item1 .product_typelist .l .typelist .layer p {
  font-family: 'pingfang';
  font-size: 30px;
  color: #ffffff;
  position: absolute;
  top: calc(50% - 25px);
  left: 50%;
  transform: translateX(-50%);
  letter-spacing: 2px;
}

.main .item1 .product_typelist .l .typelist .layer span {
  display: block;
  font-size: 16px;
  color: #ffffff;
  opacity: 0.56;
  position: absolute;
  top: calc(50% + 25px);
  left: 50%;
  transform: translateX(-50%);
}

.main .item1 .product_typelist .l .typelist:hover .layer {
  transform: scale(1);
  opacity: 1;
}

.main .item1 .product_typelist .r ul::after {
  display: table;
  content: "";
  clear: both;
}

.main .item1 .product_typelist .r ul li {
  float: left;
  width: calc((100% - 24px) / 2);
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.main .item1 .product_typelist .r ul li:nth-of-type(even) {
  margin-left: 24px;
}

.main .item1 .product_typelist .r ul li img {
  display: block;
  width: 100%;
  transition: 0.5s;
}

.main .item1 .product_typelist .r ul li:hover img {
	transform: scale(1.2);
}

.main .item1 .product_typelist .r ul li p {
  position: absolute;
  width: 100%;
  font-size: 18px;
  line-height: 68px;
  color: #ffffff;
  text-align: center;
  position: absolute;
  bottom: 0px;
  left: 0px;
  padding-top: 10px;
  background-image: url(../images/i_typelist_bg.png);
  background-repeat: no-repeat;
  background-position: bottom center;
}

.main .item2 .top {
  background-image: url(../images/i_about_bg.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  height: 572px;
}

.main .item2 .top .container {
  position: relative;
}

.main .item2 .top .txt {
  margin-left: 50%;
  width: 630px;
  height: calc(572px - 40px);
  background-color: rgba(43,43,43,.8);
  box-sizing: border-box;
  padding-left: 50px;
  padding-right: 40px;
  padding-top: 50px;
}

.main .item2 .top .txt h2.title {
  font-family: 'pingfang';
  font-size: 48px;
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 2px;
  line-height: 58px;
}

.main .item2 .top .txt a.more {
	font-family: 'helv';
  display: block;
  font-size: 24px;
  color: #f0741e;
  line-height: 64px;
}

.main .item2 .top .txt .summary p {
  font-size: 14px;
  color: #ffffff;
  line-height: 24px;
}

.main .item2 .top .container .bar {
  width: 50%;
  height: 40px;
  background-color: #f8f8f8;
  position: absolute;
  /* bottom: 0px; */
  right: 0px;
}

.main .item2 .bottom ul.about_list {
  display: flex;
  flex-flow: row nowrap;
  justify-content: center;
  padding-top: 45px;
  background-color: #f8f8f8;
}

.main .item2 .bottom ul.about_list li {
  width: calc(100% / 3);
  box-sizing: border-box;
  border-right: 1px solid #d7d7d7;
  padding: 0 55px;
  padding-top: 15px;
  padding-bottom: 50px;
}

.main .item2 .bottom ul.about_list li:last-child {
  border-right: 0px;
}

.main .item2 .bottom ul.about_list li h5 {
  font-size: 24px;
  color: #525252;
  line-height: 64px;
  font-family: 'helv';
}

.main .item2 .bottom ul.about_list li p {
  font-size: 14px;
  line-height: 24px;
  color: #8a8a8a;
}

.main .item2 .bottom ul.about_list li span {
  display: block;
  font-size: 16px;
  color: #979797;
  margin-top: 50px;
  font-family: 'helv';
}

.main .item2 .bottom ul.about_list li:hover span {
  color: #f0741e;
}

.main .item2 .bottom .pic {
  padding-top: 30px;
}

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

.main .item3 {
  padding-top: 75px;
  padding-bottom: 140px;
}

.main .item3 h2.title {
  font-family: 'pingfang';
  font-size: 48px;
  color: #3d3d3d;
  text-align: center;
  line-height: 78px;
  font-weight: 600;
  letter-spacing: 2px;
}

.main .item3 a.more {
	font-family: 'helv';
  display: block;
  font-size: 24px;
  color: #f0741e;
  text-align: center;
  line-height: 54px;
}

.main .item3 .content {
  padding-top: 40px;
}

.main .item3 .content .l {
  width: calc((650 / 1380) * 100%);
}

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

.main .item3 .content .r {
  width: calc((700 / 1380) * 100%);
  box-sizing: border-box;
  padding-top: 16px;
}

.main .item3 .content .r p.summary {
  font-size: 14px;
  line-height: 28px;
  color: #8a8a8a;
  text-indent: 2em;
}

.main .item3 .content .r ul {
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-between;
  padding-top: 23px;
}

.main .item3 .content .r ul li {
  width: calc((100% - 60px) / 3);
}

.main .item3 .content .r ul li img {
  display: block;
  width: 100%;
}

.main .item3 .content .r ul li p {
  font-family: 'pingfang';
  font-size: 18px;
  color: #525252;
  text-align: center;
  line-height: 78px;
}

@media screen and (max-width: 1430px) {
	
	.main .item2 .bottom ul.about_list li {
		padding: 0 35px;
		padding-top: 15px;
    	padding-bottom: 50px;
	}
	
	.main .item3 .content .r ul li p {
		font-size: 16px;
	}
	
}

@media screen and (max-width: 550px ) {
	
	.main .item1 {
		padding-top: 10px;
		padding-bottom: 0px;
	}
	
	.main .item1 h2.title {
		font-size: 24px;
		line-height: 48px;
	}
	
	.main .item1 a.more {
		font-size: 18px;
		line-height: 32px;
	}
	
	.main .item1 .product_typelist {
		padding-top: 10px;
	}
	
	.main .item1 .product_typelist .l {
		width: 100%;
	}
	
	.main .item1 .product_typelist .l .typelist {
		margin-bottom: 10px;
	}
	
	.main .item1 .product_typelist .l .typelist .layer {
		transform: scale(1);
		width: calc(100% - 20px);
		height: calc(100% - 20px);
		left: 10px;
		top: 10px;
	}
	
	.main .item1 .product_typelist .l .typelist .layer p {
		font-size: 20px;
	}
	
	.main .item1 .product_typelist .r {
		width: 100%;
	}
	
	.main .item1 .product_typelist .r ul li {
		width: calc((100% - 10px) / 2);
		margin-bottom: 10px;
	}
	
	.main .item1 .product_typelist .r ul li:nth-of-type(even) {
		margin-left: 10px;
	}
	
	.main .item1 .product_typelist .r ul li p {
		line-height: 32px;
		padding-bottom: 10px;
		padding-top: 20px;
		font-size: 16px;
	}
	
	.main .item2 .top {
		height: auto;
		background-position: left center;
	}
	
	.main .item2 .top .txt {
		margin-left: 0px;
		width: 100%;
		padding: 10px;
		height: auto;
	}
	
	.main .item2 .top .txt h2.title {
		font-size: 24px;
		line-height: 48px;
		text-align: center;
	}
	
	.main .item2 .top .txt a.more {
		font-size: 18px;
		line-height: 32px;
		text-align: center;
	}
	
	.main .item2 .top .txt .summary {
		padding-top: 10px;
	}
	
	.main .item2 .top .txt .summary p {
		/*text-align: justify;*/
		text-indent: 2em;
	}
	
	.main .item2 .bottom {
		display: none;
	}
	
	.main .item3 {
		padding-top: 10px;
		padding-bottom: 70px;
	}
	
	.main .item3 h2.title {
		font-size: 24px;
		line-height: 48px;
	}
	
	.main .item3 a.more {
		font-size: 18px;
		line-height: 32px;
	}
	
	.main .item3 .content {
		padding-top: 10px;
	}
	
	.main .item3 .content .l {
		width: 100%;
	}
	
	.main .item3 .content .r {
		width: 100%;
	}
	
	.main .item3 .content .r ul li {
		width: calc((100% - 20px) / 3);
	}
	
	.main .item3 .content .r ul li p {
		line-height: 24px;
		padding-top: 10px;
	}
	
	
	
	
}