.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 .item1 {
	padding-top: 95px;
	background-color: #ffffff;
	padding-bottom: 100px;
}

.main .item1 .top .l h4 {
	/*font-family: "黑体";*/
	font-size: 45px;
	color: #000000;
	font-weight: bold;
	line-height: 55px;
	float: left;
}

.main .item1 .top .l p {
	font-size: 16px;
	color: #000000;
	font-weight: lighter;
	padding-left: 30px;
	line-height: 55px;
	float: left;
}

.main .item1 .top .r a.more {
	display: block;
	width: 140px;
	height: 45px;
	box-sizing: border-box;
	border: 1px solid #000000;
	padding-right: 25px;
	/*font-family: "黑体";*/
	font-size: 14px;
	color: #333333;
	text-align: center;
	line-height: 45px;
	background-image: url(../images/more.png);
	background-repeat: no-repeat;
	background-position: right 30px center;
}

.main .item1 .bottom ul.product_typelist {
	margin: 0 auto;
	width: 1200px;
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
	margin-top: 60px;
	margin-bottom: 30px;
}

.main .item1 .bottom ul.product_typelist li {
	width: calc(100% / 3);
	height: 100px;
	background-image: url(../images/i_product_listb.png);
	background-repeat: no-repeat;
	background-position: right center;
}

.main .item1 .bottom ul.product_typelist li:last-child {
	background-image: none;
}

.main .item1 .bottom ul.product_typelist li i {
	display: block;
	height: 50px;
	margin-top: 9px;
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item1 .bottom ul.product_typelist li:nth-of-type(1) i {
	background-image: url(../images/i_product_t1.png);
}

.main .item1 .bottom ul.product_typelist li:nth-of-type(2) i {
	background-image: url(../images/i_product_t2.png);
}

.main .item1 .bottom ul.product_typelist li:nth-of-type(3) i {
	background-image: url(../images/i_product_t3.png);
}

.main .item1 .bottom ul.product_typelist li p {
	font-size: 16px;
	color: #333333;
	line-height: 32px;
	text-align: center;
	margin-top: 12px;
	font-weight: bold;
}

.main .item1 .bottom ul.product_typelist li:hover {
	background-color: #202b62;
}

.main .item1 .bottom ul.product_typelist li:hover p {
	color: #FFFFFF;
}

.main .item1 .bottom ul.product_typelist li:nth-of-type(1):hover i {
	background-image: url(../images/i_product_wt1.png);
}

.main .item1 .bottom ul.product_typelist li:nth-of-type(2):hover i {
	background-image: url(../images/i_product_wt2.png);
}

.main .item1 .bottom ul.product_typelist li:nth-of-type(3):hover i {
	background-image: url(../images/i_product_wt3.png);
}

.main .item1 .bottom ul.product_list li {
	display: flex;
	flex-flow: row nowrap;
	justify-content: space-between;
}

.main .item1 .bottom ul.product_list li .l {
	width: 68%;
	position: relative;
}

.main .item1 .bottom ul.product_list li .l .pic {
	position: relative;
}

.main .item1 .bottom ul.product_list li .l .pic img {
	display: block;
	width: 100%;
}

.main .item1 .bottom ul.product_list li .l .txt {
	position: absolute;
	bottom: 0;
	width: 100%;
	padding-top: 60px;
	padding-bottom: 50px;
	background-image: url(../images/i_product_li_bg.png);
	background-repeat: no-repeat;
	background-position: center top;
}

.main .item1 .bottom ul.product_list li .l .txt:after {
	display: table;
	content: "";
	clear: both;
}

.main .item1 .bottom ul.product_list li .l .txt .wen {
	float: left;
	width: 77.5%;
	box-sizing: border-box;
	padding-left: 80px;
}

.main .item1 .bottom ul.product_list li .l .txt .wen h4 {
	font-family: arial;
	font-size: 64px;
	color: #FFFFFF;
	line-height: 64px;
}

.main .item1 .bottom ul.product_list li .l .txt .wen h5 {
	/*font-family: "黑体";*/
	font-size: 40px;
	color: #FFFFFF;
	font-weight: bold;
	line-height: 100px;
	background-image: url(../images/title_bg.png);
	background-repeat: no-repeat;
	background-position: left bottom;
}

.main .item1 .bottom ul.product_list li .l .txt .wen p {
	font-size: 15px;
	color: #FFFFFF;
	line-height: 30px;
	margin-top: 33px;
	text-align: justify;
}

.main .item1 .bottom ul.product_list li .l .txt .shizi {
	width: 22.5%;
	float: left;
}

.main .item1 .bottom ul.product_list li .l .txt .shizi span {
	display: block;
	width: 80px;
	height: 80px;
	box-sizing: border-box;
	background-color: #202b62;
	background-image: url(../images/more1.png);
	background-repeat: no-repeat;
	background-position: center center;
	margin: 0 auto;
	margin-top: 166px;
}


.main .item1 .bottom ul.product_list li .r {
	width: calc(100% - 68%);
	background-color: #e6e6e6;
	padding-left: 20px;
	box-sizing: border-box;
	padding-top: 10px;
}

.main .item1 .bottom ul.product_list li .r .pic {
	position: relative;
	margin-top: 20px;
}

.main .item1 .bottom ul.product_list li .r .pic img {
	display: block;
	width: 100%;
}

.main .item1 .bottom ul.product_list li .r .pic p {
	position: absolute;
	bottom: 0px;
	width: 100%;
	/*font-family: "黑体";*/
	font-size: 24px;
	color: #FFFFFF;
	text-align: center;
	line-height: 84px;
	padding-top: 60px;
	background-image: url(../images/i_product_li_bg1.png);
	background-repeat: no-repeat;
	background-position: center top;
	font-weight: bold;
}

.main .item2 {
	height: 930px;
	width: 100%;
	background-image: url(../images/i_item2_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item2 .l {
	width: calc(100% - 880px);
	box-sizing: border-box;
	padding-left: 80px;
}

.main .item2 .l .txt {
	padding-left: 80px;
	border-left: 1px solid #FFFFFF;
	margin-top: 210px;
}

.main .item2 .l .txt h4 {
	font-family: arial;
	font-size: 64px;
	color: #FFFFFF;
	line-height: 64px;
}

.main .item2 .l .txt h5 {
	/*font-family: "黑体";*/
	font-size: 40px;
	color: #FFFFFF;
	font-weight: bold;
	line-height: 100px;
	background-image: url(../images/title_bg.png);
	background-repeat: no-repeat;
	background-position: left bottom;
}

.main .item2 .l .txt p {
	font-size: 15px;
	color: #FFFFFF;
	line-height: 30px;
	margin-top: 33px;
	text-align: justify;
}

.main .item2 .l .txt ul {
    padding-top: 38px;
}

.main .item2 .l .txt ul:after {
    display: table;
    content: "";
    clear: both;
}

.main .item2 .l .txt ul li {
    float: left;
    margin-right: 40px;
}

.main .item2 .l .txt ul li img {
    display: block;
    margin: 0 auto;
}

.main .item2 .l .txt ul li p {
    font-family: '黑体';
    font-size: 16px;
    color: #FFFFFF;
    line-height: 46px;
    margin-top: 0px;
}

.main .item2 .l .txt a.more {
	display: block;
	width: 140px;
	height: 45px;
	border: 1px solid #FFFFFF;
	font-family: "黑体";
	font-size: 14px;
	color: #FFFFFF;
	text-align: center;
	line-height: 45px;
	box-sizing: border-box;
	padding-right: 25px;
	background-image: url(../images/more2.png);
	background-repeat: no-repeat;
	background-position: right 30px center;
	margin-top: 70px;
}

.main .item2 .r {
	padding-right: 80px;
}

.main .item2 .r ul.item2_typelist {
	margin-top: 280px;
	float: left;
	margin-right: -20px;
	position: relative;
	z-index: 2;
}

.main .item2 .r ul.item2_typelist li {
	cursor: pointer;
	width: 180px;
	height: 180px;
	background-color: rgba(255,255,255,0.9);
	margin-bottom: 10px;
	box-sizing: border-box;
	padding-top: 50px;
}

.main .item2 .r ul.item2_typelist li i {
	display: block;
	height: 50px;
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item2 .r ul.item2_typelist li:nth-of-type(1) i {
	background-image: url(../images/i_item2_t1.png);
}

.main .item2 .r ul.item2_typelist li:nth-of-type(2) i {
	background-image: url(../images/i_item2_t2.png);
}

.main .item2 .r ul.item2_typelist li p {
	/*font-family: "黑体";*/
	font-size: 12px;
	font-weight: bold;
	color: #000000;
	text-align: center;
	line-height: 60px;
}

.main .item2 .r ul.item2_typelist li.active {
	width: 200px;
	background-color: #202b62;
}

.main .item2 .r ul.item2_typelist li:nth-of-type(1).active i {
	background-image: url(../images/i_item2_wt1.png);
}

.main .item2 .r ul.item2_typelist li:nth-of-type(2).active i {
	background-image: url(../images/i_item2_wt2.png);
}

.main .item2 .r ul.item2_typelist li.active p {
	color: #FFFFFF;
}

.main .item2 .r ul.item2_list {
	float: left;
	position: relative;
	z-index: 1;
}

.main .item2 .r ul.item2_list li {
	width: 600px;
	height: 930px;
	background-color: rgba(0,0,0,0.2);
	box-sizing: border-box;
	padding: 0 80px;
}

.main .item2 .r ul.item2_list li h5 {
	/*font-family: "黑体";*/
	font-size: 20px;
	font-weight: bold;
	color: #ffffff;
	line-height: 58px;
	padding-top: 80px;
}

.main .item2 .r ul.item2_list li p {
	font-size: 15px;
	color: #FFFFFF;
	line-height: 30px;
	margin-top: 12px;
	margin-bottom: 42px;
	text-align: justify;
}

.main .item2 .r ul.item2_list li .pic img {
	display: block;
	width: 100%;
	margin-bottom: 20px;
}

.main .item3 {
	padding-top: 95px;
	padding-bottom: 100px;
}

.main .item3 .top .l h4 {
	/*font-family: "黑体";*/
	font-size: 45px;
	color: #231815;
	font-weight: bold;
	line-height: 55px;
	float: left;
}

.main .item3 .top .l p {
	font-size: 16px;
	color: #333333;
	font-weight: lighter;
	padding-left: 30px;
	line-height: 55px;
	float: left;
}

.main .item3 .top .r a.more {
	display: block;
	width: 140px;
	height: 45px;
	box-sizing: border-box;
	border: 1px solid #000000;
	padding-right: 25px;
	/*font-family: "黑体";*/
	font-size: 14px;
	color: #333333;
	text-align: center;
	line-height: 45px;
	background-image: url(../images/more.png);
	background-repeat: no-repeat;
	background-position: right 30px center;
}

.main .item3 .bottom ul.case_list {
	margin-top: 55px;
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
}

.main .item3 .bottom ul.case_list li {
	width: calc(100% / 4);
	position: relative;
}

.main .item3 .bottom ul.case_list li .pic img {
	display: block;
	width: 100%;
}

.main .item3 .bottom ul.case_list li .layer {
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0,0,0,0.3);
	transition: 0.5s;
}

.main .item3 .bottom ul.case_list li .layer p {
	/*font-family: "黑体";*/
	font-size: 40px;
	font-weight: bold;
	color: #FFFFFF;
	line-height: 50px;
	text-align: center;
	background-image: url(../images/title_bg1.png);
	background-repeat: no-repeat;
	background-position: center center;
	margin-top: 80%;
}

.main .item3 .bottom ul.case_list li .layer span {
	display: block;
	width: 80px;
	height: 80px;
	margin: 0 auto;
	border: 1px solid #FFFFFF;
	background-image: url(../images/more1.png);
	background-repeat: no-repeat;
	background-position: center center;
	margin-top: 35px;
}

.main .item3 .bottom ul.case_list li:hover .layer {
	background-color: rgba(0,0,0,0);
}

.main .item4 {
	height: 930px;
	background-image: url(../images/i_about_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item4 .txt {
	float: right;
	width: 840px;
	height: 610px;
	background-color: rgba(0,0,0,0.3);
	box-sizing: border-box;
	padding: 0 80px;
	margin-top: 160px;
	padding-top: 80px;
}

.main .item4 .txt h4 {
	font-family: arial;
	font-size: 64px;
	color: #FFFFFF;
	line-height: 64px;
}

.main .item4 .txt h5 {
	/*font-family: "黑体";*/
	font-size: 40px;
	color: #FFFFFF;
	font-weight: bold;
	line-height: 72px;
	padding-bottom: 25px;
	background-image: url(../images/title_bg.png);
	background-repeat: no-repeat;
	background-position: left bottom;
}

.main .item4 .txt p {
	font-size: 15px;
	color: #FFFFFF;
	line-height: 35px;
	margin-top: 33px;
	text-align: justify;
}

.main .item4 .txt a.more {
	display: block;
	width: 140px;
	height: 45px;
	border: 1px solid #FFFFFF;
	font-family: "黑体";
	font-size: 14px;
	color: #FFFFFF;
	text-align: center;
	line-height: 45px;
	box-sizing: border-box;
	padding-right: 25px;
	background-image: url(../images/more2.png);
	background-repeat: no-repeat;
	background-position: right 30px center;
	margin-top: 70px;
}

@media screen and (max-width: 1700px) {
	
	.main .item2 .r {
		padding-right: 0px;
	}
	
}

@media screen and (max-width: 1530px) {
	
	.main .item2 .l {
		width: calc(100% - 700px);
		padding-left: 0px;
	}
	
	.main .item2 .r ul.item2_list li {
		width: 500px;
		padding: 0 40px;
	}
	
}

@media screen and (max-width: 1350px) {
	
	.main .item2 .l .txt h4 {
		font-size: 56px;
	}
	
}

@media screen and (max-width: 550px ) {
	
	.main .item1 {
		padding-top: 0px;
		padding-bottom: 10px;
	}
	
	.main .item1 .top .l {
		float: none;
	}
	
	.main .item1 .top .r {
		float: none;
	}
	
	.main .item1 .top .l h4 {
		float: none;
		font-size: 22px;
		line-height: 40px;
		padding-top: 10px;
	}
	
	.main .item1 .top .l p {
		float: none;
		font-size: 14px;
		padding-left: 0px;
		line-height: 32px;
	}
	
	.main .item1 .top .r a.more {
		width: 100px;
		height: 35px;
		padding-right: 15px;
		line-height: 35px;
		background-position: right 10px center;
	}
	
	.main .item1 .bottom ul.product_typelist {
		width: 100%;
		margin: 20px 0px;
	}
	
	.main .item1 .bottom ul.product_typelist li i {
		background-size: 25%;
	}
	
	.main .item1 .bottom ul.product_typelist li p {
		font-size: 12px;
		line-height: 22px;
	}
	
	.main .item1 .bottom ul.product_list li {
		flex-flow: row wrap;
	}
	
	.main .item1 .bottom ul.product_list li .l {
		width: 100%;
		display: none;
	}
	
	.main .item1 .bottom ul.product_list li .r {
		width: 100%;
		padding: 10px;
	}
	
	.main .item1 .bottom ul.product_list li .r .pic {
		margin-top: 0px;
		margin-bottom: 10px;
	}
	
	.main .item1 .bottom ul.product_list li .r .pic:last-child {
		margin-bottom: 0px;
	}
	
	.main .item1 .bottom ul.product_list li .r .pic p {
		font-size: 16px;
	}
	
	.main .item2 .l {
		width: 100%;
		float: none;
		padding-left: 0px;
	}
	
	.main .item2 .l .txt {
		padding: 0 10px;	
		margin-top: 10px;
	}
	
	.main .item2 .l .txt h4 {
		font-size: 24px;
		line-height: 32px;
		padding-top: 20px;
	}
	
	.main .item2 .l .txt h5 {
		font-size: 22px;
		line-height: 48px;
	}
	
	.main .item2 .l .txt p {
		font-size: 14px;
		margin-top: 15px;
	}
	
	.main .item2 .l .txt a.more {
		margin-top: 20px;
		width: 100px;
		height: 35px;
		padding-right: 15px;
		line-height: 35px;
		background-position: right 10px center;
	}
	
	.main .item2 .r {
		width: 100%;
		float: none;
	}
	
	.main .item2 .r ul.item2_typelist {
		margin-top: 20px;
		width: 100%;
	}
	
	.main .item2 .r ul.item2_typelist li {
		float: left;
		width: 50%;
	}
	
	.main .item2 .r ul.item2_typelist li.active {
		width: 50%;
	}
	
	.main .item2 .r ul.item2_list li {
		width: 100%;
		padding: 0 10px;
		height: auto;
	}
	
	.main .item2 .r ul.item2_list li h5 {
		font-size: 22px;
		line-height: 40px;
		padding-top: 0px;
	}
	
	.main .item2 .r ul.item2_list li p {
		font-size: 14px;
		margin-top: 5px;
		margin-bottom: 15px;
	}
	
	.main .item3 {
		padding-bottom: 10px;
	}
	
	.main .item3 .top .l {
		float: none;
	}
	
	.main .item3 .top .l h4 {
		font-size: 22px;
		line-height: 40px;
	}
	
	.main .item3 .top .l p {
		font-size: 14px;
		padding-left: 0px;
		line-height: 28px;
	}
	
	.main .item3 .top .r {
		float: none;
	}
	
	.main .item3 .top .r a.more {
		margin-top: 10px;
		width: 100px;
		height: 35px;
		padding-right: 15px;
		line-height: 35px;
		background-position: right 10px center;
	}
	
	.main .item3 .bottom ul.case_list {
		margin-top: 15px;
		flex-flow: row wrap;
	}
	
	.main .item3 .bottom ul.case_list li {
		width: 50%;
	}
	
	.main .item3 .bottom ul.case_list li .layer p {
		font-size: 22px;
	}
	
	.main .item3 .bottom ul.case_list li .layer span {
		width: 40px;
		height: 40px;
		margin-top: 10px;
	}
	
	.main .item4 {
		height: auto;
		margin-bottom: 70px;
		background-size: cover;
	}
	
	.main .item4 .txt {
		width: 100%;
		height: auto;
		padding: 0 10px;
		padding-bottom: 20px;
		margin-top: 0px;
	}
	
	.main .item4 .txt h4 {
		font-size: 24px;
		line-height: 32px;
		padding-top: 20px;
	}
	
	.main .item4 .txt h5 {
		font-size: 22px;
		line-height: 48px;
		padding-bottom: 0px;
	}
	
	.main .item4 .txt p {
		font-size: 14px;
		line-height: 32px;
		margin-top: 15px;
	}
	
	.main .item4 .txt a.more {
		margin-top: 20px;
		width: 100px;
		height: 35px;
		padding-right: 15px;
		line-height: 35px;
		background-position: right 10px center;
	}
	
}