.about1 {
	width: 100%;
	padding: 95px 0 80px;
	overflow: hidden;
	text-align: center;
	background-color: #fbfbfb;
}
.about1 h3 {
	font-size: 26px;
	line-height: 30px;
	font-weight: lighter;
	color: #666666;
	margin: 30px 0 55px;
}
.about1 h3 strong {
	color: #004da1;
	font-family: "arial narrow";
	font-style: italic;
}
.about1 .about1-txt {
	color: #4a4a4a;
	font-size: 16px;
	line-height: 30px;
}
@media only screen and (max-width: 991px) {
	.about1 .about1-txt {
		font-size: 20px;
		line-height: 35px;
		text-align: justify;
	}
}
@media only screen and (max-width: 750px) {
	.about1 {
		padding: 40px 0;
	}
	.about1 h3 {
		font-size: 18px;
		line-height: 25px;
		margin: 15px 0 25px;
	}
	.about1 .about1-txt {
		font-size: 14px;
		line-height: 25px;
	}
}
@media only screen and (min-width: 992px) {
	.about1 {
		padding: 70px 0 35px;
	}
	.about1 h3 {
		font-size: 20px;
		line-height: 25px;
		margin: 20px 0 40px;
	}
	.about1 .about-txt br {
		display: none;
	}
}
@media only screen and (min-width: 1400px) {
	.about1 {
		padding: 95px 0 80px;
	}
	.about1 h3 {
		font-size: 26px;
		line-height: 30px;
		margin: 30px 0 55px;
	}
	.about1 .about-txt br {
		display: block;
	}
}
/*企业文化 资质证书*/
.about2 {
	width: 100%;
	padding: 80px 0 0;
	overflow: hidden;
	background-color: #FFFFFF;
}
.about2 .box1 {
	margin: 0 0 100px;
	height: 415px;
}
.about2 .box1 a {
	bottom: 35px;
}
.about2 .box1 .box1-txt p br {
	display: none;
}
.about2 .box1:nth-of-type(2) .box1-txt {
	padding: 24px 0;
}
.about2 .box1:nth-of-type(2) .box1-txt p {
	line-height: 24px;
}
.box1-txt p strong:nth-of-type(2) {
	margin-left: 45px;
}
@media only screen and (max-width: 991px) {
	.about2 .box1 {
		height: auto;
		margin: 0 0 100px;
	}
	.about2 .box1 a {
		bottom: 0px;
	}
	.about2 .box1:nth-of-type(1) .box1-txt {
		bottom: 0px;
	}
	.about2 .box1:nth-of-type(2) .box1-txt {
		padding: 24px 30px;
	}
}
@media only screen and (max-width: 750px) {
	.about2 {
		padding: 40px 0 0;
	}
	.about2 .box1 {
		margin: 0 0 40px;
	}
	.about2 .box1:nth-of-type(2) .box1-txt {
		padding: 20px 30px;
	}
	.about2 .box1:nth-of-type(2) .box1-txt p {
		line-height: 20px;
	}
	.box1-txt p strong:nth-of-type(2) {
		margin-left: 0px;
	}
	.about2 .box1 .box1-txt p br {
		display: block;
	}
}
@media only screen and (min-width: 992px) {
	.about2 {
		padding: 60px 0 0;
	}
	.about2 .box1 {
		margin: 0 0 70px;
		height: 330px;
	}
	.about2 .box1 a {
		bottom: 25px;
	}
	.about2 .box1:nth-of-type(2) .box1-txt {
		padding: 20px 0;
	}
	.about2 .box1:nth-of-type(2) .box1-txt p {
		margin-right: 35px;
		line-height: 20px;
	}
}
@media only screen and (min-width: 1400px) {
	.about2 {
		padding: 80px 0 0;
	}
	.about2 .box1 {
		margin: 0 0 100px;
		height: 415px;
	}
	.about2 .box1 a {
		bottom: 35px;
	}
	.about2 .box1:nth-of-type(2) .box1-txt {
		padding: 24px 0;
	}
	.about2 .box1:nth-of-type(2) .box1-txt p {
		margin-right: 50px;
		line-height: 24px;
	}
}
/*宣传视频*/
.about3 {
	width: 100%;
	padding: 90px 0 70px;
	overflow: hidden;
	text-align: center;
	background-color: #f1f9fc;
}
.about3 ul {
	width: 100%;
	margin: 65px 0 55px;
	overflow: hidden;
}
.about3 li {
	width: -moz-calc(50% - 60px);
	width: -webkit-calc(50% - 60px);
	width: calc(50% - 60px);
	margin: 0 30px;
	overflow: hidden;
	float: left;
}
.about3-img {
	width: 100%;
	overflow: hidden;
	position: relative;
}
.about3-img img {
	width: 100%;
	transition: all 0.5s;
}
.about3 p {
	width: 100%;
	height: 25px;
	line-height: 25px;
	font-size: 18px;
	margin: 20px 0 0;
	font-weight: bold;
	color: #004da1;
	overflow: hidden;
}
.about3-icon {
	width: 86px;
	overflow: hidden;
	cursor: pointer;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -43px 0 0 -43px;
	z-index: 1;
}
.about3-icon img {
	width: 100%;
}
.about3-img video {
	width: 100%;
	height: 100%;
	background-color: #000000;
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 2;
	display: none;
}
.about3 li.active .about3-img video {
	display: block;
}
.about3 li:hover .about3-img>img {
	transform: scale(1.1);
}
.about3 li:hover p {
	text-decoration: underline !important;
}
@media only screen and (max-width: 991px) {
	.about3 ul {
		margin: 65px 0 0;
	}
	.about3 li {
		width: 100%;
		margin: 0 0 60px;
		float: none;
	}
	.about3 p {
		height: 40px;
		line-height: 40px;
		font-size: 28px;
		margin: 30px 0 0;
	}
}
@media only screen and (max-width: 750px) {
	.about3 {
		padding: 40px 0;
	}
	.about3 ul {
		margin: 30px 0 0;
	}
	.about3 li {
		margin: 0 0 25px;
	}
	.about3 p {
		height: 20px;
		line-height: 20px;
		font-size: 14px;
		margin: 10px 0 0;
	}
	.about3-icon {
		width: 60px;
		margin: -30px 0 0 -30px;
	}
}
@media only screen and (min-width: 992px) {
	.about3 {
		padding: 70px 0 55px;
	}
	.about3 ul {
		margin: 50px 0 45px;
	}
	.about3-icon {
		width: 70px;
		margin: -35px 0 0 -35px;
	}
}
@media only screen and (min-width: 1400px) {
	.about3 {
		padding: 90px 0 70px;
	}
	.about3 ul {
		margin: 65px 0 55px;
	}
	.about3-icon {
		width: 86px;
		margin: -43px 0 0 -43px;
	}
}
/*发展历程*/
.swiper-button-prev, .swiper-button-next {
	top: 0px;
	width: 40px;
	height: 40px;
	margin-top: 0px;
	overflow: hidden;
	border-radius: 50%;
	position: absolute;
	background-repeat: no-repeat !important;
	background-position: center !important;
	background-size: 11px !important;
}
.swiper-button-prev {
	background: #004da1 url(../img/left.png);
	left: 0px;
}
.swiper-button-next {
	background: #004da1 url(../img/right.png);
	right: 0px;
}
.swiper-button-prev.swiper-button-disabled {
	background: #989898 url(../img/left.png);
}
.swiper-button-next.swiper-button-disabled {
	background: #989898 url(../img/right.png);
}
@font-face {
	font-family: "HelveticaLTStd-Comp";
	src: url("../font/HelveticaLTStd-Comp.otf") format("truetype");
	font-weight: 400;
	font-style: normal;
}
.about4 {
	width: 100%;
	overflow: hidden;
	padding: 75px 0 65px;
	background-image: url(../img/about4.jpg);
	background-repeat: no-repeat;
	background-position: bottom center;
}
.about4 h2 {
	text-align: center;
}
.about4-top {
	width: 100%;
	padding: 0 40px;
	min-height: 235px;
	position: relative;
	margin: 75px 0 40px;
}
.about4-bottom {
	z-index: 1;
	width: 100%;
	padding: 0 40px;
	position: relative;
}
.about4-bottom::before {
	top: 19px;
	left: 0px;
	width: 100%;
	height: 2px;
	content: '';
	display: block;
	overflow: hidden;
	position: absolute;
	background: #cccccc;
}
.about4-top .swiper,
.about4-bottom .swiper {
	width: 100%;
	height: 100%;
	overflow: hidden;
}
.about4-top .swiper-slide {
	display: flex;
	flex-wrap: wrap;
	overflow: hidden;
	align-items: center;
	justify-content: space-between
}
.about4-top .swiper-backface-hidden .swiper-slide {
	opacity: 0;
	visibility: hidden;
}
.about4-top .swiper-backface-hidden .swiper-slide.swiper-slide-active {
	opacity: 1;
	visibility: visible;
}
.about4-bottom .swiper-slide {
	text-align: center;
}
.about4-bottom .swiper-slide h3 {
	width: 100%;
	font-size: 24px;
	cursor: pointer;
	overflow: hidden;
	line-height: 35px;
	position: relative;
}
.about4-bottom .swiper-slide h3::before {
	content: '';
	width: 20px;
	height: 20px;
	display: block;
	overflow: hidden;
	margin: 10px auto;
	border-radius: 50%;
	background: #cccccc;
}
.about4-bottom .swiper-slide h3.active {
	color: #004da1;
}
.about4-bottom .swiper-slide h3.active::before {
	background: #004da1;
}
.about4-top .about4-left {
	width: 285px;
	height: 200px;
	overflow: hidden;
}
.about4-top .about4-left img {
	width: 100%;
	height: 100%;
	display: block;
	object-fit: cover;
	object-position: center;
}
.about4-top .about4-right {
	overflow: hidden;
	width: calc(100% - 320px);
}
.about4-top .about4-right h3 {
	color: #004da1;
	font-size: 42px;
	line-height: 36px;
	font-family: "HelveticaLTStd-Comp", arial;
}
.about4-top .about4-right .about4-txt {
	width: 100%;
	overflow: hidden;
}
.about4-top .about4-right .about4-txt p {
	display: flex;
	color: #666666;
	flex-wrap: wrap;
	font-size: 14px;
	line-height: 22px;
}
.about4-top .about4-right .about4-txt p span:nth-of-type(2n+1) {
	width: 50px;
}
.about4-top .about4-right .about4-txt p span:nth-of-type(2n) {
	width: calc(100% - 60px);
}
@media only screen and (max-width: 991px) {
	.about4-top .about4-left {
		width: 100%;
		margin: 0 0 40px;
	}
	.about4-top .about4-right {
		width: 100%;
	}
	.about4-top .about4-right h3 {
		font-size: 56px;
		line-height: 65px;
	}
	.about4-top .about4-right h4 {
		font-size: 28px;
		line-height: 35px;
		margin: 10px 0 20px;
	}
	.about4-top .about4-right .about4-txt p {
		font-size: 18px;
		line-height: 30px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n+1) {
		width: 65px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n) {
		width: calc(100% - 75px);
	}
}
@media only screen and (max-width: 750px) {
	.swiper-button-prev,.swiper-button-next {
		width: 30px;
		height: 30px;
		background-size: 8px !important;
	}
	.about4 {
		padding: 40px 0;
	}
	.about4-top {
		margin: 30px 0;
		padding: 0 15px;
	}
	.about4-top .about4-left {
		margin: 0 0 15px;
	}
	.about4-top .about4-right h3 {
		font-size: 28px;
		line-height: 35px;
	}
	.about4-top .about4-right h4 {
		font-size: 18px;
		line-height: 25px;
		margin: 5px 0 10px;
	}
	.about4-top .about4-right .about4-txt p {
		font-size: 12px;
		line-height: 20px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n+1) {
		width: 50px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n) {
		width: calc(100% - 50px);
	}
	.about4-bottom {
		padding: 0 30px;
	}
	.about4-bottom::before {
		top: 14px;
	}
	.about4-bottom .swiper-slide h3 {
		font-size: 18px;
		line-height: 30px;
	}
	.about4-bottom .swiper-slide h3::before {
		width: 14px;
		height: 14px;
		margin: 8px auto;
	}
}
@media only screen and (min-width: 992px) {
	.about4 {
		padding: 50px 0 45px;
		background-size: 1400px;
	}
	.about4-top {
		margin: 50px 0 30px;
	}
	.about4-top .about4-right h3 {
		font-size: 36px;
    	line-height: 35px;
	}
	.about4-top .about4-right h4 {
		margin: 10px 0;
		font-size: 18px;
    	line-height: 25px;
	}
	.about4-top .about4-right .about4-txt p {
		font-size: 12px;
		line-height: 20px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n+1) {
		width: 50px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n) {
		width: calc(100% - 50px);
	}
}
@media only screen and (min-width: 1400px) {
	.about4 {
		padding: 75px 0 65px;
		background-size: 1920px;
	}
	.about4-top {
		margin: 75px 0 40px;
	}
	.about4-top .about4-right h3 {
		font-size: 42px;
    	line-height: 36px;
	}
	.about4-top .about4-right .about4-txt p {
		font-size: 14px;
		line-height: 22px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n+1) {
		width: 50px;
	}
	.about4-top .about4-right .about4-txt p span:nth-of-type(2n) {
		width: calc(100% - 60px);
	}
}
@media only screen and (min-width: 1921px) {
	.about4 {
		background-size: 100%;
	}
}
/*视频列表*/
.video-content {
	width: 100%;
	overflow: hidden;
	margin: 65px 0 55px;
}
.video-content li {
	width: -moz-calc(50% - 60px);
	width: -webkit-calc(50% - 60px);
	width: calc(50% - 60px);
	margin: 25px 30px;
	overflow: hidden;
	text-align: center;
	float: left;
}
.video-img {
	width: 100%;
	overflow: hidden;
	position: relative;
}
.video-img img {
	width: 100%;
	transition: all 0.5s;
}
.video-content p {
	width: 100%;
	height: 25px;
	line-height: 25px;
	font-size: 18px;
	margin: 20px 0 0;
	font-weight: bold;
	color: #004da1;
	overflow: hidden;
}
.video-icon {
	width: 86px;
	overflow: hidden;
	cursor: pointer;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -43px 0 0 -43px;
	z-index: 1;
}
.video-icon img {
	width: 100%;
}
.video-img video {
	width: 100%;
	height: 100%;
	background-color: #000000;
	position: absolute;
	left: 0px;
	top: 0px;
	z-index: 2;
	display: none;
}
.video-content li.active .video-img video {
	display: block;
}
.video-content li:hover .video-img>img {
	transform: scale(1.1);
}
.video-content li:hover p {
	text-decoration: underline !important;
}
@media only screen and (max-width: 991px) {
	.video-content {
		margin: 65px 0;
	}
	.video-content li {
		width: 100%;
		margin: 60px 0 0;
		float: none;
	}
	.video-content p {
		height: 40px;
		line-height: 40px;
		font-size: 28px;
		margin: 30px 0 0;
	}
}
@media only screen and (max-width: 750px) {
	.video-content {
		margin: 40px 0;
	}
	.video-content li {
		margin: 20px 0 0;
	}
	.video-content p {
		height: 20px;
		line-height: 20px;
		font-size: 14px;
		margin: 10px 0 0;
	}
	.video-icon {
		width: 60px;
		margin: -30px 0 0 -30px;
	}
}
@media only screen and (min-width: 992px) {
	.video-content {
		margin: 50px 0 45px;
	}
	.video-content .menu-common {
		margin: 0 0 20px;
	}
	.video-content li {
		width: -moz-calc(50% - 50px);
		width: -webkit-calc(50% - 50px);
		width: calc(50% - 50px);
		margin: 15px 25px;
	}
	.video-icon {
		width: 70px;
		margin: -35px 0 0 -35px;
	}
}
@media only screen and (min-width: 1400px) {
	.video-content {
		margin: 65px 0 55px;
	}
	.video-content li {
		width: -moz-calc(50% - 60px);
		width: -webkit-calc(50% - 60px);
		width: calc(50% - 60px);
		margin: 25px 30px;
	}
	.video-icon {
		width: 86px;
		margin: -43px 0 0 -43px;
	}
}
/*资质荣誉列表*/
.honor-list a {
	display: block;
	width: 100%;
	height: 250px;
	overflow: hidden;
	background-color: #f1f5f9;
}
.honor-list a .list-img {
	width: 100%;
	height: 100%;
	padding: 15px;
	border: 1px solid #d9e1e9;
}
.honor-list a .list-img img {
	width: 100%;
	height: 100%;
	-o-object-fit: contain;
    object-fit: contain;
}
@media only screen and (max-width: 991px) {
	.honor-list a {
		height: 220px;
	}
}
@media only screen and (max-width: 750px) {
	.honor-list a {
		height: 150px;
	}
	.honor-list a .list-img {
		padding: 10px;
	}
}
@media only screen and (min-width: 992px) {
	.honor-list a {
		height: 220px;
	}
}
@media only screen and (min-width: 1400px) {
	.honor-list a {
		height: 250px;
	}
}