.about-title {
	width: 100%;
	overflow: hidden;
	position: relative;
}
.about-title:before {
	content: '';
	display: block;
	width: 77px;
	height: 77px;
	overflow: hidden;
	background-image: url(../img/line.png);
	background-repeat: no-repeat;
	background-position: center;
	background-size: 100%;
	position: absolute;
	left: 255px;
	bottom: 0px;
}
.about-title h2 {
	font-family: "wigrumweb";
	font-size: 90px;
	line-height: 90px;
	font-weight: bold;
	color: #333333;
	letter-spacing: -4px;
}
.about-title h3 {
	font-size: 30px;
	line-height: 40px;
	color: #333333;
}
.about1 {
	width: 100%;
	padding: 75px 0 0;
	overflow: hidden;
	background-image: url(../img/about1.jpg);
	background-repeat: no-repeat;
	background-position: top center;
	position: relative;
}
.about1 .about1-img {
	width: 295px;
	overflow: hidden;
	position: absolute;
	top: 225px;
	left: 50%;
	margin-left: 485px;
}
.about1-img img {
	width: 100%;
}
.about1 ul {
	width: 1150px;
	overflow: hidden;
	margin: 5px 0 0;
}
.about1 ul li {
	width: -moz-calc(50% - 55px);
	width: -webkit-calc(50% - 55px);
	width: calc(50% - 55px);
	overflow: hidden;
	float: left;
	margin-right: 55px;
	text-align: justify;
}
.about1 ul li:first-of-type {
	padding: 65px 0 0;
}
.about1 ul li h4 {
	font-size: 18px;
	line-height: 25px;
	margin: 25px 0 15px;
	padding: 0 60px;
	font-weight: bold;
	color: #000000;
	position: relative;
}
.about1 ul li h4:before {
	content: '';
	display: block;
	width: 37px;
	height: 25px;
	overflow: hidden;
	background: url(../img/yh.png) no-repeat center;
	background-size: 100%;
	position: absolute;
	left: 0px;
	bottom: 8px;
}
.about1 ul li p {
	font-size: 14px;
	line-height: 26px;
	margin: 0 0 10px;
	color: #666666;
}
.about1 .about1-video {
	width: -moz-calc(100% + 210px);
	width: -webkit-calc(100% + 210px);
	width: calc(100% + 210px);
	overflow: hidden;
	background-color: #18191d;
	position: relative;
	top: 0px;
	left: 50%;
	margin: 165px 0 0 -750px;
}
.about1-video>img {
	width: 100%;
	opacity: 0.8;
}
.video-icon {
	width: 136px;
	height: 136px;
	border: 2px solid #FFFFFF;
	border-radius: 50%;
	background-color: rgba(255,255,255,0.4);
	overflow: hidden;
	cursor: pointer;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -68px 0 0 -172px;
	z-index: 1;
}
.video-icon img {
	width: 38px;
	position: relative;
	left: 50%;
	top: 50%;
	margin: -25.5px 0 0 -19px;
}
@media only screen and (max-width: 991px) {
	.about-title:before {
		width: 77px;
		height: 77px;
		left: 255px;
	}
	.about-title h2 {
		font-size: 96px;
		line-height: 90px;
	}
	.about-title h3 {
		font-size: 36px;
		line-height: 40px;
	}
	.about1 {
		padding: 75px 0 0;
	}
	.about1 .about1-img {
		display: none;
	}
	.about1 ul {
		width: 100%;
		margin: 60px 0 0;
	}
	.about1 ul li {
		width: 100%;
		float: none;
		margin: 0px;
	}
	.about1 ul li:first-of-type {
		padding: 0;
	}
	.about1 ul li h4 {
		font-size: 28px;
		line-height: 40px;
		margin: 40px 0 25px;
		padding: 0 60px;
	}
	.about1 ul li h4:before {
		width: 37px;
		height: 25px;
		bottom: 15px;
	}
	.about1 ul li p {
		font-size: 24px;
		line-height: 40px;
		margin: 0 0 15px;
	}
	.about1 .about1-video {
		width: -moz-calc(100% + 171px);
		width: -webkit-calc(100% + 171px);
		width: calc(100% + 171px);
		margin: 85px 0 0 -325px;
	}
	.video-icon {
		width: 100px;
		height: 100px;
		margin: -50px 0 0 -135.5px;
	}
	.video-icon img {
		width: 30px;
		margin: -20px 0 0 -15px;
	}
}
@media only screen and (max-width: 750px) {
	.about-title:before {
		width: 44px;
		height: 44px;
		left: 125px;
	}
	.about-title h2 {
		font-size: 48px;
		line-height: 45px;
		letter-spacing: -2px;
	}
	.about-title h3 {
		font-size: 24px;
		line-height: 25px;
	}
	.about1 {
		padding: 40px 0 0;
	}
	.about1 ul {
		margin: 30px 0 0;
	}
	.about1 ul li h4 {
		font-size: 16px;
		line-height: 22px;
		margin: 20px 0 10px;
		padding: 0 30px;
	}
	.about1 ul li h4:before {
		width: 20px;
		height: 15px;
		bottom: 10px;
	}
	.about1 ul li p {
		font-size: 14px;
		line-height: 22px;
		margin: 0 0 8px;
	}
	.about1 .about1-video {
		width: -moz-calc(100% + 207.5px);
		width: -webkit-calc(100% + 207.5px);
		width: calc(100% + 207.5px);
		margin: 30px 0 0 -167.5px;
	}
	.video-icon {
		width: 50px;
		height: 50px;
		margin: -25px 0 0 -129px;
		border-width: 1px;
	}
	.video-icon img {
		width: 12px;
		margin: -18px 0 0 -6px;
	}
}
@media only screen and (min-width: 992px) {
	.about-title:before {
		width: 55px;
		height: 55px;
		left: 170px;
	}
	.about-title h2 {
		font-size: 64px;
		line-height: 65px;
		letter-spacing: -2px;
	}
	.about-title h3 {
		font-size: 24px;
		line-height: 30px;
	}
	.about1 {
		padding: 55px 0 0;
		background-size: 1300px;
	}
	.about1 .about1-img {
		width: 250px;
		top: 175px;
		margin-left: 260px;
	}
	.about1 ul {
		width: 735px;
	}
	.about1 ul li {
		width: -moz-calc(50% - 35px);
		width: -webkit-calc(50% - 35px);
		width: calc(50% - 35px);
		margin-right: 35px;
	}
	.about1 .about1-video {
		width: -moz-calc(100% + 120px);
		width: -webkit-calc(100% + 120px);
		width: calc(100% + 120px);
		margin: 40px 0 0 -480px;
	}
	.video-icon {
		width: 100px;
		height: 100px;
		margin: -50px 0 0 -110px;
	}
	.video-icon img {
		width: 24px;
		margin: -16px 0 0 -12px;
	}
}
@media only screen and (min-width: 1200px) {
	.about-title:before {
		width: 66px;
		height: 66px;
		left: 200px;
	}
	.about-title h2 {
		font-size: 72px;
		line-height: 75px;
		letter-spacing: -3px;
	}
	.about-title h3 {
		font-size: 28px;
		line-height: 35px;
	}
	.about1 {
		padding: 65px 0 0;
		background-size: 1600px;
	}
	.about1 .about1-img {
		top: 200px;
		margin-left: 310px;
	}
	.about1 ul {
		width: 885px;
	}
	.about1 ul li {
		width: -moz-calc(50% - 45px);
		width: -webkit-calc(50% - 45px);
		width: calc(50% - 45px);
		margin-right: 45px;
	}
	.about1 .about1-video {
		width: -moz-calc(100% + 200px);
		width: -webkit-calc(100% + 200px);
		width: calc(100% + 200px);
		margin: 80px 0 0 -575px;
	}
	.video-icon {
		width: 120px;
		height: 120px;
		margin: -60px 0 0 -160px;
	}
	.video-icon img {
		width: 30px;
		margin: -20px 0 0 -15px;
	}
}
@media only screen and (min-width: 1550px) {
	.about-title:before {
		width: 77px;
		height: 77px;
		left: 255px;
	}
	.about-title h2 {
		font-size: 90px;
		line-height: 90px;
		letter-spacing: -4px;
	}
	.about-title h3 {
		font-size: 30px;
		line-height: 40px;
	}
	.about1 {
		padding: 75px 0 0;
		background-size: 1920px;
	}
	.about1 .about1-img {
		width: 295px;
		top: 225px;
		margin-left: 485px;
	}
	.about1 ul {
		width: 1150px;
	}
	.about1 ul li {
		width: -moz-calc(50% - 55px);
		width: -webkit-calc(50% - 55px);
		width: calc(50% - 55px);
		margin-right: 55px;
	}
	.about1 .about1-video {
		width: -moz-calc(100% + 210px);
		width: -webkit-calc(100% + 210px);
		width: calc(100% + 210px);
		margin: 165px 0 0 -750px;
	}
	.video-icon {
		width: 136px;
		height: 136px;
		margin: -68px 0 0 -173px;
	}
	.video-icon img {
		width: 38px;
		margin: -25.5px 0 0 -19px;
	}
}
@media only screen and (min-width: 1921px) {
	.about1 {
		background-size: 100%;
	}
}
/*荣誉资质*/
.about2 {
	width: 100%;
	padding: 160px 0 115px;
	overflow: hidden;
	background: url(../img/about2.jpg) no-repeat top center;
	position: relative;
}
.about2-swiper1 {
	width: 1080px;
	padding: 0 0 97px;
	overflow: hidden;
	background: url(../img/about2-1.png) no-repeat bottom left;
	background-size: 100%;
	position: absolute;
	top: 110px;
	left: 50%;
	margin-left: -120px;
}
.about2-swiper2 {
	width: 1496px;
	padding: 0 0 97px;
	overflow: hidden;
	background: url(../img/about2-2.png) no-repeat bottom right;
	background-size: 100%;
	position: relative;
	left: 50%;
	margin: 180px 0 0 -960px;
}
.about2-swiper1 .mySwiper {
	width: 850px;
	margin-left: 20px;
	overflow: hidden;
}
.about2-swiper2 .mySwiper {
	width: 1237px;
	margin-left: 210px;
	overflow: hidden;
}
.about2-swiper1 img,.about2-swiper2 img {
	width: 100%;
}
@media only screen and (max-width: 991px) {
	.about2 {
		padding: 100px 0 50px;
		background-size: auto 100%;
	}
	.about2-swiper1 {
		width: 821px;
		padding: 0 0 74px;
		background-size: auto 74px;
		position: relative;
		top: 0px;
		margin: 100px 0 0 -325px;
	}
	.about2-swiper2 {
		width: 821px;
		padding: 0 0 74px;
		background-size: auto 74px;
		margin: 70px 0 0 -495.5px;
	}
	.about2-swiper1 .mySwiper {
		width: 620px;
		margin-left: 30px;
	}
	.about2-swiper2 .mySwiper {
		width: 620px;
		margin-left: 171px;
	}
}
@media only screen and (max-width: 750px) {
	.about2 {
		padding: 50px 0 20px;
	}
	.about2-swiper1 {
		width: 542.5px;
		padding: 0 0 50px;
		background-size: auto 50px;
		margin: 40px 0 0 -167.5px;
	}
	.about2-swiper2 {
		width: 542.5px;
		padding: 0 0 50px;
		background-size: auto 50px;
		margin: 10px 0 0 -375px;
	}
	.about2-swiper1 .mySwiper {
		width: 320px;
		margin-left: 10px;
	}
	.about2-swiper2 .mySwiper {
		width: 320px;
		margin-left: 207.5px;
	}
}
@media only screen and (min-width: 992px) {
	.about2 {
		padding: 100px 0 40px;
		background-size: 1300px;
	}
	.about2-swiper1 {
		width: 675px;
		padding: 0 0 61px;
		top: 68.75px;
		margin-left: -75px;
	}
	.about2-swiper2 {
		width: 935px;
		padding: 0 0 61px;
		margin: 112.5px 0 0 -600px;
	}
	.about2-swiper1 .mySwiper {
		width: 542.5px;
		margin-left: 12px;
	}
	.about2-swiper2 .mySwiper {
		width: 810px;
		margin-left: 120px;
	}
}
@media only screen and (min-width: 1200px) {
	.about2 {
		padding: 130px 0 90px;
		background-size: 1600px;
	}
	.about2-swiper1 {
		width: 872px;
		padding: 0 0 78px;
		top: 90px;
		margin-left: -97px;
	}
	.about2-swiper2 {
		width: 1190px;
		padding: 0 0 78px;
		margin: 145px 0 0 -775px;
	}
	.about2-swiper1 .mySwiper {
		width: 680px;
		margin-left: 15px;
	}
	.about2-swiper2 .mySwiper {
		width: 968px;
		margin-left: 200px;
	}
}
@media only screen and (min-width: 1550px) {
	.about2 {
		padding: 160px 0 115px;
		background-size: 1920px;
	}
	.about2-swiper1 {
		width: 1080px;
		padding: 0 0 97px;
		top: 110px;
		margin-left: -120px;
	}
	.about2-swiper2 {
		width: 1496px;
		padding: 0 0 97px;
		margin: 180px 0 0 -960px;
	}
	.about2-swiper1 .mySwiper {
		width: 850px;
		margin-left: 20px;
	}
	.about2-swiper2 .mySwiper {
		width: 1237px;
		margin-left: 210px;
	}
}
@media only screen and (min-width: 1921px) {
	.about2 {
		background-size: 100%;
	}
	.about2-swiper1 {
		width: -moz-calc(50% + 120px);
		width: -webkit-calc(50% + 120px);
		width: calc(50% + 120px);
		padding: 0 0 97px;
	}
	.about2-swiper2 {
		width: -moz-calc(50% + 536px);
		width: -webkit-calc(50% + 536px);
		width: calc(50% + 536px);
		padding: 0 0 97px;
		margin: 180px 0 0;
		left: 0px;
	}
}