.about-title {
	width: 100%;
	overflow: hidden;
	text-align: center;
	font-size: 14px;
	line-height: 23px;
	color: #7f7f7f;
}
.about-title h2 {
	font-size: 48px;
	color: #333333;
	line-height: 60px;
}
.about-title ul {
	width: 40px;
	overflow: hidden;
	margin: 5px auto 20px;
}
.about-title ul li {
	width: 100%;
	height: 4px;
	background-color: #e60012;
	margin: 2px 0 0;
}
.about1 {
	width: 100%;
	overflow: hidden;
	padding: 85px 0 0;
}
.about1 .about1-bottom {
	width: 100%;
	overflow: hidden;
	margin: 45px 0 0;
	border-top: 1px solid #eae9e9;
	border-bottom: 1px solid #eae9e9;
	position: relative;
	background-color: #f4f4f4;
}
.about1-bottom .about1-img {
	width: 960px;
	overflow: hidden;
	position: absolute;
	left: 50%;
	top: 50%;
}
.about1-img img {
	width: 100%;
}
.about1-bottom .about1-txt {
	width: 670px;
	overflow: hidden;
	position: relative;
	left: 50%;
	font-size: 15px;
	color: #666666;
	line-height: 25px;
}
.about1-txt h3 {
	font-size: 24px;
	line-height: 30px;
	font-weight: bold;
}
.about1-txt p {
	margin: 0 0 5px;
}
@media only screen and (max-width: 991px) {
	.about-title {
		width: 570px;
		font-size: 18px;
		line-height: 22px;
		margin: 0px auto;
	}
	.about-title p br {
		display: none;
	}
	.about1 .about1-bottom {
		margin: 45px 0 0;
	}
	.about1-bottom .about1-img {
		width: 100%;
		position: relative;
		left: 0px;
	}
	.about1-bottom .about1-txt {
		width: 660px;
		position: relative;
		left: 0px;
		top: 0px;
		margin: 60px auto;
		font-size: 18px;
		line-height: 25px;
	}
	.about1-txt h3 {
		font-size: 36px;
		line-height: 40px;
		margin: 0 0 10px;
	}
	.about1-txt p {
		margin: 0 0 10px;
	}
}
@media only screen and (max-width: 720px) {
	.about-title {
		width: 340px;
		font-size: 14px;
		line-height: 18px;
	}
	.about-title h2 {
		font-size: 32px;
		line-height: 40px;
	}
	.about-title ul {
		width: 20px;
		margin: 3px auto 10px;
	}
	.about-title ul li {
		height: 2px;
	}
	.about1 {
	    padding: 40px 0 0;
	}
	.about1 .about1-bottom {
		margin: 25px 0 0;
	}
	.about1-bottom .about1-txt {
		width: 340px;
		margin: 30px auto;
		font-size: 14px;
		line-height: 18px;
	}
	.about1-txt h3 {
		font-size: 28px;
		line-height: 35px;
	}
	.about1-txt p {
		margin: 0 0 5px;
	}
}
@media only screen and (min-width: 992px) {
	.about-title {
		font-size: 12px;
		line-height: 18px;
	}
	.about-title h2 {
		font-size: 34px;
		line-height: 42px;
	}
	.about-title ul {
		width: 28px;
		margin: 3px auto 14px;
	}
	.about-title ul li {
		height: 2px;
	}
	.about1 {
		padding: 60px 0 0;
	}
	.about1 .about1-bottom {
		margin: 32px 0 0;
	}
	.about1-bottom .about1-img {
		width: 600px;
		margin: -206px 0 0;
	}
	.about1-bottom .about1-txt {
		width: 460px;
		margin: 50px 0 50px -485px;
		font-size: 14px;
		line-height: 16px;
	}
	.about1-txt h3 {
		font-size: 24px;
		line-height: 25px;
		margin: 0 0 5px;
	}
	.about1-txt p {
		margin: 0 0 3px;
	}
}
@media only screen and (min-width: 1200px) {
	.about-title {
		font-size: 13px;
		line-height: 20px;
	}
	.about-title h2 {
		font-size: 38px;
		line-height: 48px;
	}
	.about-title ul {
		width: 32px;
		margin: 4px auto 16px;
	}
	.about-title ul li {
		height: 3px;
	}
	.about1 {
		padding: 68px 0 0;
	}
	.about1 .about1-bottom {
		margin: 36px 0 0;
	}
	.about1-bottom .about1-img {
		width: 750px;
		margin: -258px 0 0;
	}
	.about1-bottom .about1-txt {
		width: 536px;
		margin: 50px 0 50px -575px;
		font-size: 16px;
		line-height: 18px;
	}
	.about1-txt h3 {
		font-size: 28px;
		line-height: 30px;
		margin: 0 0 10px;
	}
	.about1-txt p {
		margin: 0 0 4px;
	}
}
@media only screen and (min-width: 1500px) {
	.about-title {
		font-size: 18px;
		line-height: 22px;
	}
	.about-title h2 {
		font-size: 48px;
		line-height: 60px;
	}
	.about-title ul {
		width: 40px;
		margin: 5px auto 20px;
	}
	.about-title ul li {
		height: 4px;
	}
	.about1 {
		padding: 85px 0 0;
	}
	.about1 .about1-bottom {
		margin: 45px 0 0;
	}
	.about1-bottom .about1-img {
		width: 960px;
		margin: -330px 0 0;
	}
	.about1-bottom .about1-txt {
		width: 670px;
		margin: 50px 0 50px -720px;
		font-size: 18px;
		line-height: 20px;
	}
	.about1-txt h3 {
		font-size: 36px;
		line-height: 40px;
		margin: 0 0 15px;
	}
	.about1-txt p {
		margin: 0 0 5px;
	}
}
.about2 {
	width: 100%;
	overflow: hidden;
	padding: 70px 0 95px;
}
.about2 .about2-swiper {
	width: 100%;
	height: 225px;
	margin: 30px 0 0;
	position: relative;
}
.about2-swiper .swiper-container {
	width: 100%;
	height: 100%;
	overflow: hidden;
}
.about2-swiper .swiper-slide {
	width: 366.6px;
	overflow: hidden;
}
.about2-swiper .swiper-slide a {
	display: block;
	width: 340px;
	overflow: hidden;
	position: relative;
	text-align: center;
}
.about2-swiper .swiper-slide a img {
	width: 100%;
	transition: all 0.5s;
}
.about2-swiper .swiper-slide a p {
	width: 100%;
	height: 40px;
	line-height: 40px;
	overflow: hidden;
	font-size: 14px;
	background-color: rgba(124,124,124,0.91);
	color: #FFFFFF;
	position: absolute;
	left: 0px;
	bottom: 0px;
}
.about2-swiper .swiper-slide a:hover img {
	transform: scale(1.1);
}
.about2-swiper .swiper-slide a:hover p {
	background-color: rgba(204,0,16,0.91);
}
.about2-swiper .about2-left {
	width: 35px;
	height: 35px;
	overflow: hidden;
	border-radius: 17.5px;
	position: absolute;
	top: 95px;
	left: -65px;
	z-index: 2;
	cursor: pointer;
	background-image: url(../images/slb.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 100%;
}
.about2-swiper .about2-left:hover {
	background-image: url(../images/slr.png);
}
.about2-swiper .about2-right {
	width: 35px;
	height: 35px;
	overflow: hidden;
	border-radius: 17.5px;
	position: absolute;
	top: 95px;
	right: -65px;
	z-index: 2;
	cursor: pointer;
	background-image: url(../images/srb.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 100%;
}
.about2-swiper .about2-right:hover {
	background-image: url(../images/srr.png);
}
@media only screen and (max-width: 991px) {
	.about2 {
	    padding: 70px 0 55px;
	}
	.about2-swiper .about2-left,.about2-swiper .about2-right {
		display: none;
	}
	.about2 .about2-swiper {
		height: auto;
		margin: 30px 0 0;
	}
	.about2 .about2-swiper .swiper-wrapper {
		overflow: hidden;
	}
	.about2-swiper .swiper-slide {
		width: 310px;
	}
	.about2-swiper .swiper-slide a {
		width: 100%;
	}
	.about2-swiper .swiper-slide:nth-of-type(2n+1) {
		margin: 0 40px 40px 0;
	}
	.about2-swiper .swiper-slide:nth-of-type(2n) {
		margin: 0 0 40px;
	}
}
@media only screen and (max-width: 720px) {
	.about2 {
	    padding: 35px 0 25px;
	}
	.about2 .about2-swiper {
		height: auto;
		margin: 15px 0 0;
	}
	.about2 .about2-swiper .swiper-wrapper {
		overflow: hidden;
	}
	.about2-swiper .swiper-slide {
		width: 163px;
	}
	.about2-swiper .swiper-slide:nth-of-type(2n+1) {
		margin: 0 14px 15px 0;
	}
	.about2-swiper .swiper-slide:nth-of-type(2n) {
		margin: 0 0 15px;
	}
	.about2-swiper .swiper-slide a p {
	    height: 30px;
	    line-height: 30px;
	    font-size: 12px;
	}
}
@media only screen and (min-width: 992px) {
	.about2 {
		padding: 50px 0 67px;
	}
	.about2 .about2-swiper {
		height: 186px;
		margin: 21px 0 0;
	}
	.about2-swiper .swiper-container {
		width: -moz-calc(100% - 70px);
		width: -webkit-calc(100% - 70px);
		width: calc(100% - 70px);
		margin: 0 auto;
	}
	.about2-swiper .swiper-slide {
		width: 310px;
	}
	.about2-swiper .swiper-slide:last-of-type {
		width: 280px;
	}
	.about2-swiper .swiper-slide a {
		width: 280px;
	}
	.about2-swiper .swiper-slide a p {
		height: 30px;
		line-height: 30px;
		font-size: 12px;
	}
	.about2-swiper .about2-left {
		width: 30px;
		height: 30px;
		border-radius: 15px;
		top: 73px;
		left: -10px;
	}
	.about2-swiper .about2-right {
		width: 30px;
		height: 30px;
		border-radius: 15px;
		top: 73px;
		right: -10px;
	}
}
@media only screen and (min-width: 1200px) {
	.about2 {
		padding: 56px 0 76px;
	}
	.about2 .about2-swiper {
		height: 178px;
		margin: 24px 0 0;
	}
	.about2-swiper .swiper-container {
		width: 100%;
	}
	.about2-swiper .swiper-slide {
		width: 293.75px;
	}
	.about2-swiper .swiper-slide:last-of-type {
		width: 268.75px;
	}
	.about2-swiper .swiper-slide a {
		width: 268.75px;
	}
	.about2-swiper .swiper-slide a p {
		height: 40px;
		line-height: 40px;
		font-size: 14px;
	}
	.about2-swiper .about2-left {
		width: 35px;
		height: 35px;
		border-radius: 17.5px;
		top: 70px;
		left: -65px;
	}
	.about2-swiper .about2-right {
		width: 35px;
		height: 35px;
		border-radius: 17.5px;
		top: 70px;
		right: -65px;
	}
}
@media only screen and (min-width: 1500px) {
	.about2 {
		padding: 70px 0 95px;
	}
	.about2 .about2-swiper {
		height: 225px;
		margin: 30px 0 0;
	}
	.about2-swiper .swiper-slide {
		width: 366.6px;
	}
	.about2-swiper .swiper-slide:last-of-type {
		width: 340px;
	}
	.about2-swiper .swiper-slide a {
		width: 340px;
	}
	.about2-swiper .about2-left {
		top: 95px;
	}
	.about2-swiper .about2-right {
		top: 95px;
	}
}
/*资质证书*/
.about3 {
	width: 100%;
	height: 850px;
	overflow: hidden;
	padding: 130px 0 0;
	background-image: url(../images/about3.jpg);
	background-repeat: no-repeat;
	background-position: top center;
	text-align: center;
}
.about3 .about-title h2 {
	color: #FFFFFF;
}
.about3 .about3-img {
	width: 100%;
	overflow: hidden;
	margin: 22px auto 50px;
}
.about3-img li {
	display: inline-block;
	width: auto;
	overflow: hidden;
	font-size: 14px;
	line-height: 20px;
	margin: 0 25px;
	color: #FFFFFF;
}
.about3-img li p {
	margin: 10px 0 0;
	font-weight: bold;
}
.about3 .about3-txt {
	width: 1200px;
	overflow: hidden;
	margin: 0 auto;
	font-size: 14px;
	line-height: 25px;
	color: #FFFFFF;
	padding: 23px 0 0;
	border-top: 1px dashed #FFFFFF;
}
.about3-more {
	display: block;
	width: 200px;
	height: 40px;
	line-height: 38px;
	border-radius: 20px;
	font-size: 16px;
	color: #ffffff;
	overflow: hidden;
	border: 1px solid #FFFFFF;
	margin: 140px auto 0;
	background: rgba(255,255,255,0.2);
	transition: all 0.5s;
}
.about3-more:hover {
	color: #ffffff;
	border-color: #e60012;
	background: #e60012;
	box-shadow: 0px 0px 20px rgba(0,0,0,0.3);
}
@media only screen and (max-width: 991px) {
	.about3-img li {
		margin: 0 10px;
	}
	.about3 .about3-txt {
		width: 100%;
		font-size: 18px;
		line-height: 30px;
		padding: 20px 0 0;
	}
}
@media only screen and (max-width: 720px) {
	.about3 {
		padding: 70px 0;
		height: auto;
		background-size: auto 100%;
	}
	.about3 .about3-img {
		width: 320px;
		margin: 25px auto 0;
	}
	.about3-img li {
		width: 80px;
	}
	.about3-img li img {
		height: 50px;
	}
	.about3-img li p {
		margin: 5px 0 0;
		height: 40px;
	}
	.about3 .about3-txt {
		font-size: 12px;
		line-height: 20px;
		padding: 15px 15px 0;
	}
	.about3-more {
		margin: 50px auto 0;
	}
}
@media only screen and (min-width: 992px) {
	.about3 {
		height: 595px;
		padding: 90px 0 0;
		background-size: auto 100%;
	}
	.about3 .about3-img {
		margin: 18px auto 40px;
	}
	.about3-img li {
		font-size: 14px;
		line-height: 20px;
	}
	.about3-img li img {
		width: 78px;
	}
	.about3-img li:nth-of-type(5) img {
		width: 98px;
	}
	.about3-img li:last-of-type img {
		width: 36px;
	}
	.about3-img li p {
		margin: 7px 0 0;
	}
	.about3 .about3-txt {
		width: 840px;
		font-size: 12px;
		line-height: 20px;
		padding: 16px 0 0;
	}
	.about3-more {
		margin: 100px auto 0;
	}
}
@media only screen and (min-width: 1200px) {
	.about3 {
		height: 680px;
		padding: 105px 0 0;
	}
	.about3 .about3-img {
		margin: 25px auto 40px;
	}
	.about3-img li p {
		margin: 8px 0 0;
	}
	.about3 .about3-txt {
		width: 960px;
		font-size: 14px;
		line-height: 25px;
		padding: 20px 0 0;
	}
	.about3-more {
		margin: 110px auto 0;
	}
}
@media only screen and (min-width: 1500px) {
	.about3 {
		height: 850px;
		padding: 130px 0 0;
	}
	.about3 .about3-img {
		margin: 40px auto 50px;
	}
	.about3-img li p {
		margin: 10px 0 0;
	}
	.about3 .about3-txt {
		width: 1200px;
		padding: 23px 0 0;
	}
	.about3-more {
		margin: 140px auto 0;
	}
}
/*宣传视频*/
.about4 {
	width: 100%;
	overflow: hidden;
	padding: 95px 0 100px;
}
.about4 .about4-video {
	width: 1030px;
	overflow: hidden;
	margin: 44px auto 0;
	position: relative;
}
.about4-video>img {
	width: 100%;
}
.about4-video .about4-share {
	width: 50px;
	overflow: hidden;
	position: absolute;
	right: 40px;
	top: 37px;
	text-align: center;
	cursor: pointer;
	z-index: 2;
}
.about4-share p {
	width: 100%;
	line-height: 24px;
	overflow: hidden;
	border-radius: 5px;
	color: #FFFFFF;
	background-color: #292929;
	margin: 5px 0 0;
}
.about4-video:after {
	content: '';
	display: block;
	width: 80px;
	height: 80px;
	overflow: hidden;
	background: #e60012 url(../images/i3.png);
	background-repeat: no-repeat;
	background-position: center;
	border-radius: 40px;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -40px 0 0 -40px;
	cursor: pointer;
	z-index: 2;
}
@media only screen and (max-width: 991px) {
	.about4 .about4-video {
		width: 100%;
	}
}
@media only screen and (max-width: 720px) {
	.about4 {
		padding: 35px 0 40px;
	}
	.about4 .about4-video {
		margin: 15px auto 0;
	}
	.about4-video .about4-share {
		right: 10px;
		top: 10px;
	}
	.about4-video:after {
		width: 50px;
		height: 50px;
		border-radius: 25px;
		margin: -25px 0 0 -25px;
		background-size: 18px;
	}
}
@media only screen and (min-width: 992px) {
	.about4 {
		padding: 65px 0 70px;
	}
	.about4 .about4-video {
		width: 720px;
		margin: 30px auto 0;
	}
	.about4-video:after {
		width: 56px;
		height: 56px;
		border-radius: 28px;
		background-size: 18px;
	}
}
@media only screen and (min-width: 1200px) {
	.about4 {
		padding: 75px 0 80px;
	}
	.about4 .about4-video {
		width: 825px;
		margin: 35px auto 0;
	}
	.about4-video:after {
		width: 64px;
		height: 64px;
		border-radius: 32px;
		background-size: 21px;
	}
}
@media only screen and (min-width: 1500px) {
	.about4 {
		padding: 95px 0 100px;
	}
	.about4 .about4-video {
		width: 1030px;
		margin: 44px auto 0;
	}
	.about4-video:after {
		width: 80px;
		height: 80px;
		border-radius: 40px;
		background-size: 26px;
	}
}
/*视频弹出样式*/
.video-masked {
	width: 100%;
	height: 100%;
	overflow: hidden;
	background-color: rgba(0,0,0,0.8);
	position: fixed;
	left: 0px;
	top: 0px;
	z-index: 200;
	display: none;
}
.video-masked video {
	display: block;
	width: 1200px;
	position: relative;
	left: 50%;
	top: 50%;
	margin: -295px 0 0 -600px;
}
.video-masked ul {
	width: 100px;
	height: 100px;
	overflow: hidden;
	background-color: rgba(0,0,0,0.8);
	border-radius: 0 0 0 100px;
	position: absolute;
	right: 0px;
	top: 0px;
}
.video-masked ul li {
	width: 40px;
	height: 40px;
	overflow: hidden;
	position: relative;
	margin: 15px 0 0 40px;
	cursor: pointer;
}
.video-masked ul li:before,.video-masked ul li:after {
	content: '';
	display: block;
	width: 40px;
	height: 6px;
	overflow: hidden;
	background-color: #FFFFFF;
	border-radius: 3px;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -3px 0 0 -20px;
	transform: rotate(45deg);
}
.video-masked ul li:after {
	transform: rotate(-45deg);
}
@media only screen and (max-width: 991px) {
	.video-masked video {
		width: 700px;
		margin: -200px 0 0 -350px;
	}
}
@media only screen and (max-width: 720px) {
	.video-masked ul {
		width: 60px;
		height: 60px;
	}
	.video-masked ul li {
		width: 24px;
		height: 24px;
		margin: 10px 0 0 25px;
	}
	.video-masked ul li:before,.video-masked ul li:after {
		width: 24px;
		height: 2px;
		border-radius: 1px;
		margin: -1px 0 0 -12px;
	}
	.video-masked video {
		width: -moz-calc(100% - 20px);
		width: -webkit-calc(100% - 20px);
		width: calc(100% - 20px);
		left: 0px;
		top: 0px;
		margin: 150px auto 0;
	}
}
@media only screen and (min-width: 992px) {
	.video-masked video {
		width: 800px;
		margin: -200px 0 0 -400px;
	}
}
@media only screen and (min-width: 1200px) {
	.video-masked video {
		width: 1000px;
		margin: -250px 0 0 -500px;
	}
}
@media only screen and (min-width: 1500px) {
	.video-masked video {
		width: 1200px;
		margin: -295px 0 0 -600px;
	}
}