.about-title {
	width: 100%;
	overflow: hidden;
	text-align: center;
	font-size: 14px;
	color: #666666;
	line-height: 20px;
}
.about-title p {
	margin: 20px 0 0;
}
.about-title h1 {
	font-size: 40px;
	line-height: 55px;
	margin: 0 0 15px;
	width: 100%;
	height: 70px;
	color: #000000;
	overflow: hidden;
	position: relative;
}
.about-title h1:after {
	content: '';
	display: block;
	width: 52px;
	height: 10px;
	overflow: hidden;
	background: url(../img/mb.png) no-repeat bottom center;
	background-size: 100%;
	position: absolute;
	left: 50%;
	bottom: 0;
	margin: 0 0 0 -26px;
}
@media only screen and (max-width: 600px) {
	.about-title h1 {
		font-size: 28px;
		line-height: 30px;
		margin: 0 0 10px;
		height: 50px;
	}
	.about-title p {
		margin: 10px 0 0;
	}
}
.about1 {
	width: 100%;
	overflow: hidden;
	padding: 20px 0 50px;
	border-bottom: 1px solid #dddddd;
}
.about1-txt {
	width: 100%;
	overflow: hidden;
	color: #949494;
	font-size: 16px;
	line-height: 29px;
	margin: 35px 0 30px;
}
.about1-txt p {
	margin: 0 0 12px;
}
.about1 ul {
	width: 100%;
	overflow: hidden;
}
.about1 ul li {
	width: 330px;
	overflow: hidden;
	float: left;
	text-align: center;
}
.about1 ul li:nth-of-type(2) {
	margin: 0 105px;
}
.about1 .about1-img {
	width: 100%;
	overflow: hidden;
	border-radius: 4px;
}
.about1 .about1-img img {
	width: 100%;
}
.about1 h4 {
	width: 100%;
	color: #949494;
	font-size: 16px;
	overflow: hidden;
	margin: 13px 0 0;
}
@media only screen and (max-width: 991px) {
	.about1 ul li {
		float: none;
		margin: 0px auto;
	}
	.about1 ul li:nth-of-type(2) {
		margin: 30px auto;
	}
}
@media only screen and (max-width: 700px) {
	.about1 {
		padding: 20px 0 35px;
	}
	.about1-txt {
	    font-size: 14px;
	    line-height: 25px;
	    margin: 15px 0 20px;
	}
	.about1 ul li {
		width: 100%;
	}
	.about1 ul li:nth-of-type(2) {
		margin: 20px 0;
	}
}
@media only screen and (min-width: 992px) {
	.about1 ul li {
		width: 300px;
	}
	.about1 ul li:nth-of-type(2) {
		margin: 0 35px;
	}
}
@media only screen and (min-width: 1250px) {
	.about1 ul li {
		width: 330px;
	}
	.about1 ul li:nth-of-type(2) {
		margin: 0 105px;
	}
}
.about2 {
	width: 100%;
	overflow: hidden;
	padding: 65px 0 55px;
}
.about2-box {
	width: 100%;
	overflow: hidden;
	position: relative;
	text-align: center;
	cursor: pointer;
}
.about2 img {
	width: 100%;
}
.about2 ul {
	width: 100%;
	overflow: hidden;
	position: absolute;
	z-index: 2;
	left: 0;
	bottom: 48px;
}
.about2 ul li {
	display: inline-block;
	width: 172px;
	overflow: hidden;
	margin: 0 10px;
}
.video-mask {
	width: 100%;
	height: 100%;
	overflow: hidden;
	background-color: rgba(0,0,0,0.7);
	position: fixed;
	left: 0;
	top: 0;
	z-index: 1000;
	display: none;
}
.video-mask video {
	display: block;
	width: 1200px;
	margin: 150px auto;
}
.video-mask ul {
	width: 120px;
	height: 120px;
	overflow: hidden;
	border-radius: 0 0 0 150px;
	background-color: rgba(0,0,0,0.3);
	position: absolute;
	top: 0;
	right: 0;
}
.video-mask ul li {
	width: 40px;
	height: 40px;
	margin: 25px 0 0 50px;
	position: relative;
	cursor: pointer;
}
.video-mask ul li:before,.video-mask ul li:after {
	content: '';
	width: 40px;
	height: 4px;
	background-color: #FFFFFF;
	border-radius: 2px;
	overflow: hidden;
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -2px 0 0 -20px;
	transform: rotate(45deg);
}
.video-mask ul li:after {
	transform: rotate(-45deg);
}
@media only screen and (max-width: 991px) {
	.about2 ul {
	    bottom: 28px;
	}
	.about2 ul li {
	    width: 102px;
	}
}
@media only screen and (max-width: 700px) {
	.about2 {
	    padding: 0;
	}
	.about2 .container {
		width: 100%;
	}
	.about2 ul {
		bottom: 18px;
	}
	.about2 ul li {
		width: 72px;
		margin: 0 2px;
	}
}
.about3 {
	width: 100%;
	overflow: hidden;
	padding: 65px 0 95px;
	background-color: #eff4f8;
}
.about3 .about3-swiper {
	width: 100%;
	height: 245px;
	position: relative;
	margin: 40px 0 0;
}
.about3 .about3-swiper a {
	display: block;
	width: 100%;
	overflow: hidden;
	padding: 15px 12px 5px;
	background-color: #FFFFFF;
	text-align: center;
	cursor: pointer;
}
.about3 .about3-swiper a:before {
	content: '';
	display: block;
	height: 100%;
	width: 100%;
	overflow: hidden;
	position: absolute;
	left: 0;
	top: -48px;
	transition: all 0.5s;
}
.about3-swiper .about3-img {
	width: 100%;
	overflow: hidden;
	border: 1px solid #c1c1c1;
	transition: all 0.5s;
	position: relative;
	z-index: 2;
}
.about3-img img {
	width: 100%;
	transition: all 0.5s;
}
.about3-swiper h4 {
	line-height: 43px;
	color: #333333;
	font-size: 14px;
	position: relative;
	z-index: 2;
	transition: all 0.5s;
}
.about3-swiper a:hover:before {
	top: 0;
	background-color: #173993;
}
.about3-swiper a:hover .about3-img {
	border-color: #FFFFFF;
}
.about3-swiper a:hover .about3-img img {
	transform: scale(1.1);
}
.about3-swiper a:hover h4 {
	color: #FFFFFF;
}
.about3-swiper .swiper-button-next.swiper-button-disabled {
	background:#cfd9e1 url(../img/ir2.png);
	opacity: 1;
}
.about3-swiper .swiper-button-prev.swiper-button-disabled {
    opacity: 1;
    background:#cfd9e1 url(../img/il2.png);
}
.about3-swiper .swiper-button-next,.about3-swiper .swiper-container-rtl .swiper-button-prev {
	background:#173993 url(../img/ir2W.png);
    right: -100px;
    left: auto;
}
.about3-swiper .swiper-button-prev,.about3-swiper .swiper-container-rtl .swiper-button-next {
	background:#173993 url(../img/il2W.png);
    left: -100px;
    right: auto;
}
.about3-swiper .swiper-button-next,.about3-swiper .swiper-button-prev {
    width: 60px;
    height: 60px;
    margin-top: -30px;
    border-radius: 50%;
    background-repeat: no-repeat !important;
    background-position: center !important;
}
@media only screen and (max-width: 991px) {
	.about3 .about3-swiper {
		height: 520px;
	}
	.about3-swiper .swiper-button-next,.about3-swiper .swiper-container-rtl .swiper-button-prev {
	    right: -70px;
	}
	.about3-swiper .swiper-button-prev,.about3-swiper .swiper-container-rtl .swiper-button-next {
	    left: -70px;
	}
}
@media only screen and (max-width: 700px) {
	.about3 {
	    padding: 40px 0;
	}
	.about3 .about3-swiper {
		height: 300px;
		margin: 30px 0 0;
	}
	.about3 .about3-swiper a {
		padding: 8px 6px 3px;
	}
	.about3-swiper h4 {
	    line-height: 28px;
	    font-size: 12px;
	}
	.about3-swiper .swiper-button-next,.about3-swiper .swiper-button-prev {
	    width: 40px;
	    height: 40px;
	    margin-top: -20px;
	}
	.about3-swiper .swiper-button-next,.about3-swiper .swiper-container-rtl .swiper-button-prev {
	    right: -20px;
	}
	.about3-swiper .swiper-button-prev,.about3-swiper .swiper-container-rtl .swiper-button-next {
	    left: -20px;
	}
}
@media only screen and (min-width: 992px) {
	.about3 .about3-swiper {
		width: calc(100% - 100px);
		width: -moz-calc(100% - 100px);
		width: -webkit-calc(100% - 100px);
		margin: 40px auto 0;
	}
	.about3-swiper .swiper-button-next,.about3-swiper .swiper-container-rtl .swiper-button-prev {
	    right: -70px;
	}
	.about3-swiper .swiper-button-prev,.about3-swiper .swiper-container-rtl .swiper-button-next {
	    left: -70px;
	}
}
@media only screen and (min-width: 1250px) {
	.about3 .about3-swiper {
		width: 100%;
	}
	.about3-swiper .swiper-button-next,.about3-swiper .swiper-container-rtl .swiper-button-prev {
	    right: -100px;
	}
	.about3-swiper .swiper-button-prev,.about3-swiper .swiper-container-rtl .swiper-button-next {
	    left: -100px;
	}
}
.about4 {
	width: 100%;
	overflow: hidden;
	padding: 72px 0 90px;
	background: url(../img/about4.jpg) no-repeat center;
	background-attachment: fixed;
}
.about4 .about-title h1 {
	color: #FFFFFF;
}
.about4 img {
	width: 100%;
	margin: 55px 0 0;
}
@media only screen and (max-width: 991px) {
	.about4 {
		background-size: auto 100%;
	}
}
@media only screen and (max-width: 700px) {
	.about4 {
		padding: 45px 0;
	}
	.about4 img {
	    margin: 30px 0 0;
	}
}
@media only screen and (min-width: 1921px) {
	.about4 {
		background-size: 100%;
	}
}
.about5 {
	width: 100%;
	overflow: hidden;
	padding: 90px 0 110px;
	background-color: #eff4f8;
}
.about5 .about5-list {
	width: 100%;
	overflow: hidden;
	margin: 80px 0 0;
}
.about5-list a {
	width: 370px;
	overflow: hidden;
	background-color: #FFFFFF;
	float: left;
}
.about5-list a:nth-of-type(2) {
	margin: 0 45px;
}
.about5-list a .about5-txt {
	width: 100%;
	height: 140px;
	overflow: hidden;
	color: #666666;
	font-size: 18px;
	line-height: 25px;
	padding: 40px 20px;
}
.about5-list a .about5-txt h3 {
	font-size: 22px;
	line-height: 30px;
	color: #173993;
	position: relative;
	margin: 0 0 15px;
}
.about5-list a .about5-txt h3 img {
	margin: -2px 0 0 20px;
}
.about5-list a .about5-img {
	width: 100%;
	overflow: hidden;
}
.about5-list a .about5-img img {
	width: 100%;
}
@media only screen and (max-width: 991px) {
	.about5-list a {
		width: 100%;
	}
	.about5-list a:nth-of-type(2) {
		margin: 50px 0;
	}
}
@media only screen and (max-width: 700px) {
	.about5 {
	    padding: 40px 0 45px;
	}
	.about5 .about5-list {
	    margin: 30px 0 0;
	}
	.about5-list a .about5-txt {
	    height: auto;
	    padding: 30px 20px;
	}
}
@media only screen and (min-width: 992px) {
	.about5-list a {
		width: 300px;
	}
	.about5-list a:nth-of-type(2) {
		margin: 0 35px;
	}
	.about5-list a .about5-txt {
		padding: 30px 20px;
	}
}
@media only screen and (min-width: 1250px) {
	.about5-list a {
		width: 370px;
	}
	.about5-list a:nth-of-type(2) {
		margin: 0 45px;
	}
	.about5-list a .about5-txt {
		padding: 40px 20px;
	}
}
/*视频列表*/
.video-content {
	width: 100%;
	padding: 80px 0 30px;
	overflow: hidden;
}
.video-content video {
	display: block;
	float: left;
	background-color: #000000;
	overflow: hidden;
}
@media only screen and (max-width: 991px) {
	.video-content video {
		width: 100%;
		margin: 0 0 50px;
	}
}
@media only screen and (max-width: 700px) {
	.video-content {
		padding: 40px 0 20px;
	}
	.video-content video {
		margin: 0 0 25px;
	}
}
@media only screen and (min-width: 992px) {
	.video-content {
		padding: 60px 0 20px;
	}
	.video-content video {
		width: -moz-calc(50% - 20px);
		width: -webkit-calc(50% - 20px);
		width: calc(50% - 20px);
	}
	.video-content video:nth-of-type(2n+1) {
		margin: 0 40px 40px 0;
	}
	.video-content video:nth-of-type(2n) {
		margin: 0 0 40px;
	}
}
@media only screen and (min-width: 1250px) {
	.video-content {
		padding: 80px 0 30px;
	}
	.video-content video {
		width: -moz-calc(50% - 25px);
		width: -webkit-calc(50% - 25px);
		width: calc(50% - 25px);
	}
	.video-content video:nth-of-type(2n+1) {
		margin: 0 50px 50px 0;
	}
	.video-content video:nth-of-type(2n) {
		margin: 0 0 50px;
	}
}