.banner .bannerCom {
	background-image: url(../img/about.jpg);
}
@media only screen and (max-width: 991px) {
	.banner .bannerCom {
		background-image: url(../img/aboutS.jpg);
	}
}
.about_content {
	width: 100%;
	overflow: hidden;
}
.about_content .about_menu {
	width: 765px;
	height: 50px;
	overflow: hidden;
	box-shadow: 0.5px 0.5px 9px 1px rgba(0,0,0,0.28);
	background-color: #ffffff;
	margin: 65px auto 50px;
}
.about_menu li {
	width: 20%;
	height: 50px;
	line-height: 50px;
	overflow: hidden;
	float: left;
	text-align: center;
	font-size: 16px;
	color: #666666;
	border-right: 1px solid #dadada;
	cursor: pointer;
}
.about_menu li:hover {
	color: #333333;
	font-weight: bold;
}
.about_menu li.active {
	color: #333333;
	font-weight: bold;
	border-bottom: 4px solid #d0152d;
}
.about_menu li:last-of-type {
	border-right: none;
}
@media only screen and (max-width: 991px) {
	.about_content .about_menu {
		width: 700px;
		margin: 50px auto 40px;
	}
}
@media only screen and (max-width: 767px) {
	.about_content .about_menu {
		width: 355px;
		height: 40px;
		margin: 20px auto 20px;
	}
	.about_menu li.active {
	    border-bottom: 2px solid #d0152d;
	}
	.about_menu li {
	    height: 40px;
	    line-height: 40px;
	    font-size: 14px;
	}
}
/*企业简介*/
.about_list {
	width: 100%;
	overflow: hidden;
}
.about_list section {
	width: 100%;
	overflow: hidden;
	display: none;
}
.about_list section.active {
	display: block;
}
.about_list .about1 {
	width: 100%;
	overflow: hidden;
}
.about1 .about1_title {
	width: 100%;
	overflow: hidden;
	text-align: center;
	line-height: 24px;
	color: #888888;
	font-size: 14px;
}
.about1_title h2 {
	font-size: 24px;
	line-height: 35px;
	color: #333333;
	margin: 0 0 10px;
}
.about1_title h2 br {
	display: none;
}
.about1 .about1_list {
	width: 1100px;
	overflow: hidden;
	margin: 65px auto 80px;
}
.about1_list li {
	width: 140px;
	height: 140px;
	overflow: hidden;
	margin: 0 40px;
	float: left;
	color: #525252;
	font-size: 18px;
	text-align: center;
	border-radius: 50%;
	background-color: #e7e7e7;
	line-height: 25px;
	padding: 45px 30px;
}
.about1_list li:nth-of-type(2n+1) {
	background-color: #d0152d;
	color: #ffffff;
}
.about1_company {
	width: 100%;
	height: 400px;
	overflow: hidden;
	background: url(../img/about1Bg.jpg) no-repeat center;
}
.about1_company .container {
	padding: 25px 25px 25px 20px;
	background-color: #ffffff;
}
.about1_company .container .company_img {
	width: 460px;
	overflow: hidden;
	float: left;
}
.about1_company .container .company_txt {
	width: calc(100% - 490px);
	width: -moz-calc(100% - 490px);
	width: -webkit-calc(100% - 490px);
	overflow: hidden;
	float: right;
	line-height: 22px;
	color: #999999;
	font-size: 13px;
	padding: 0;
}
.about1_video {
	width: 1091px;
	overflow: hidden;
	max-width: 100%;
	margin: 65px auto;
	cursor: pointer;
}
.about1_video img {
	width: 100%;
}
@media only screen and (max-width: 1249px) {
	.about1 .about1_list {
	    width: 990px;
	}
	.about1_list li {
	    margin: 0 29px;
	}
	.about1_company {
	    height: 500px;
	}
}
@media only screen and (max-width: 991px) {
	.about1 .about1_list {
	    width: 688px;
	}
	.about1_list li {
	    margin: 20px 44px;
	}
	.about1_list li:nth-of-type(4) {
	    margin: 20px 44px 20px 160px;
	}
	.about1_company {
	    height: 715px;
	}
	.about1_company .container .company_img {
	    width: 100%;
	    float: none;
	}
	.company_img img {
		width: 100%;
	}
	.about1_company .container .company_txt {
	    width: 100%;
	    overflow: hidden;
	    float: none;
	    line-height: 24px;
	    color: #999999;
	    font-size: 14px;
	    padding: 10px 0 0;
	}
	.about1_title br:nth-of-type(2) {
		display: none;
	}
}
@media only screen and (max-width: 767px) {
	.about1 .about1_title {
	    width: 335px;
	    line-height: 24px;
	    font-size: 14px;
	    margin: 0 auto;
	}
	.about1_title h2 br {
	    display: block;
	}
	.about1 .about1_list {
	    width: 335px;
	    margin: 20px auto 30px;
	}
	.about1_list li {
	    margin: 15px 13px;
	}
	.about1_list li:nth-of-type(4) {
	    margin: 15px 13px;
	}
	.about1_company {
	    height: 750px;
	    background-size: auto 100%;
	}
	.about1_company .container {
	    padding: 20px;
	}
	.about1_company .container .company_txt {
	    line-height: 20px;
	    font-size: 12px;
	}
	.about1_video {
	    margin: 35px auto;
	}
}
/*资质荣誉*/
.about2 {
	width: 100%;
	overflow: hidden;
	margin: 0 0 50px;
}
.about2 .honor_menu {
	width: 280px;
	overflow: hidden;
	margin: 5px auto 65px;
}
.honor_menu li {
	width: 120px;
	height: 35px;
	line-height: 35px;
	border-radius: 18px;
	overflow: hidden;
	background-color: #989898;
	text-align: center;
	font-size: 14px;
	color: #ffffff;
	margin: 0 10px;
	float: left;
	cursor: pointer;
}
.honor_menu li.active {
	background-color: #d0152d;
}
.about2 .honor_list {
	width: 100%;
	overflow: hidden;
}
.honor_list li {
	width: 100%;
	overflow: hidden;
	display: none;
}
.honor_list li.active {
	display: block;
}
.honor_list li .honor {
	width: calc(25% - 27px);
	width: -moz-calc(25% - 27px);
	width: -webkit-calc(25% - 27px);
	overflow: hidden;
	float: left;
	margin: 0 36px 30px 0;
	cursor: pointer;
}
.honor_list li .honor:nth-of-type(4n) {
	margin: 0 0 30px;
}
.honor .honor_img {
	width: 100%;
	overflow: hidden;
	padding: 20px 28px;
	border: 1px solid #dadada;
	border-bottom: none;
}
.honor_img img {
	width: 100%;
	transition: all 1s;
}
.honor h4 {
	width: 100%;
	height: 46px;
	overflow: hidden;
	line-height: 46px;
	text-align: center;
	background-color: #dadada;
	color: #5e5e5e;
	font-size: 14px;
}
.honor:hover .honor_img {
	border-width: 2px;
	border-color: #d0152d;
}
.honor:hover .honor_img img {
	transform: scale(1.1);
}
.honor:hover h4 {
	background-color: #d0152d;
	color: #ffffff;
	font-weight: bold;
}
@media only screen and (max-width: 1249px) {
	.honor_list li .honor {
	    width: calc(33.33% - 20px);
	    width: -moz-calc(33.33% - 20px);
	    width: -webkit-calc(33.33% - 20px);
	}
	.honor_list li .honor:nth-of-type(3n+1),.honor_list li .honor:nth-of-type(3n+2) {
		margin: 0 30px 30px 0;
	}
	.honor_list li .honor:nth-of-type(3n) {
		margin: 0 0 30px;
	}
}
@media only screen and (max-width: 991px) {
	.honor_list li .honor {
	    width: calc(50% - 20px);
	    width: -moz-calc(50% - 20px);
	    width: -webkit-calc(50% - 20px);
	}
	.honor_list li .honor:nth-of-type(2n+1) {
		margin: 0 40px 40px 0;
	}
	.honor_list li .honor:nth-of-type(2n) {
		margin: 0 0 40px;
	}
}
@media only screen and (max-width: 767px) {
	.about2 {
	    margin: 0 0 30px;
	}
	.about2 .honor_menu {
	    margin: 5px auto 25px;
	}
	.honor_list li .honor {
	    width: calc(50% - 7px);
	    width: -moz-calc(50% - 7px);
	    width: -webkit-calc(50% - 7px);
	}
	.honor_list li .honor:nth-of-type(2n+1) {
		margin: 0 14px 14px 0;
	}
	.honor_list li .honor:nth-of-type(2n) {
		margin: 0 0 14px;
	}
	.honor .honor_img {
	    padding: 10px 14px;
	}
	.honor h4 {
		height: 30px;
		line-height: 30px;
		font-size: 12px;
	}
}
/*企业文化*/
.about3 {
	width: 100%;
	overflow: hidden;
	margin: 25px 0 65px;
}
.about3 ul {
	width: 1090px;
	height: 735px;
	overflow: hidden;
	margin: 0 auto;
	position: relative;
}
.about3 ul li {
	width: 360px;
	height: 360px;
	overflow: hidden;
	position: absolute;
	text-align: center;
	cursor: pointer;
}
.about3 ul li:before {
	display: block;
	content: '';
	width: 230px;
	height: 230px;
	background-color: #ffffff;
	position: absolute;
	z-index: 1;
	left: 50%;
	top: 50%;
	margin: -115px 0 0 -115px;
	box-shadow: 0.5px 0.5px 15px 1px rgba(0,0,0,0.2);
	transform: rotate(45deg);
}
.about3 ul li:nth-of-type(1) {
	left: 50%;
	top: 0;
	margin-left: -362px;
}
.about3 ul li:nth-of-type(2) {
	left: 50%;
	top: 0;
	margin-left: 2px;
}
.about3 ul li:nth-of-type(3) {
	left: 0;
	top: 50%;
	margin: -180px 0 0;
}
.about3 ul li:nth-of-type(4) {
	left: 50%;
	top: 50%;
	margin: -180px 0 0 -180px;
}
.about3 ul li:nth-of-type(5) {
	right: 0;
	top: 50%;
	margin: -180px 0 0;
}
.about3 ul li:nth-of-type(6) {
	left: 50%;
	bottom: 0;
	margin-left: -362px;
}
.about3 ul li:nth-of-type(7) {
	left: 50%;
	bottom: 0;
	margin-left: 2px;
}
.about3 ul li .culture_icon {
	width: 42px;
	height: 42px;
	position: relative;
	z-index: 2;
	overflow: hidden;
	margin: 90px auto 0;
	text-align: center;
}
.about3 ul li:nth-of-type(7) .culture_icon {
	margin: 70px auto 0;
}
.culture_icon img {
	position: absolute;
	left: 50%;
	top: 50%;
	margin: -20.5px 0 0 -20.5px;
}
.culture_icon img:nth-of-type(2) {
	display: none;
}
.about3 ul li h2 {
	position: relative;
	z-index: 2;
	font-size: 24px;
	color: #333333;
	line-height: 30px;
	margin: 10px 0;
}
.about3 ul li p {
	position: relative;
	z-index: 2;
	color: #888888;
	font-size: 14px;
	line-height: 20px;
}
.about3 ul li:hover:before {
	background-color: #d0152d;
}
.about3 ul li:hover h2,.about3 ul li:hover p {
	color: #ffffff;
}
.about3 ul li:hover .culture_icon img:nth-of-type(1) {
	display: none;
}
.about3 ul li:hover .culture_icon img:nth-of-type(2) {
	display: block;
}
@media only screen and (max-width: 1249px) {
	.about3 {
	    margin: 0;
	}
	.about3 ul {
	    position: relative;
	    left: 50%;
	    margin: 0 0 0 -545px;
	    transform: scale(0.9);
	}
}
@media only screen and (max-width: 991px) {
	.about3 {
	    margin: 0;
	    height: 520px;
	}
	.about3 ul {
	    transform: scale(0.65);
	    margin: -130px 0 0 -545px;
	}
}
@media only screen and (max-width: 767px) {
	.about3 {
	    margin: 0;
	    height: 280px;
	}
	.about3 ul {
	    transform: scale(0.32);
	    margin: -240px 0 0 -545px;
	}
}
/*组织架构*/
.about4 {
	width: 100%;
	overflow: hidden;
	margin: 15px 0 45px;
	text-align: center;
}
.about4 img {
	max-width: 100%;
}
/*工程案例*/
.about5 {
	width: 100%;
	overflow: hidden;
	padding: 5px 0 40px;
}
.about5 .about5_title {
	width: 100%;
	overflow: hidden;
	color: #949494;
	font-size: 14px;
	text-align: center;
	margin: 0 0 30px;
}
.about5_list {
	width: 100%;
	overflow: hidden;
}
.about5_list li {
	width: calc(33.33% - 22px);
	width: -moz-calc(33.33% - 22px);
	width: -webkit-calc(33.33% - 22px);
	overflow: hidden;
	margin: 0 33px 33px 0;
	float: left;
	position: relative;
	cursor: pointer;
}
.about5_list li:nth-of-type(3n) {
	margin: 0 0 33px;
}
.about5_list li img {
	width: 100%;
	transition: all 1s;
}
.about5_list li h4 {
	width: 100%;
	height: 40px;
	line-height: 40px;
	background-color: rgba(255,255,255,0.7);
	text-align: center;
	overflow: hidden;
	position: absolute;
	left: 0;
	bottom: 0;
} 
.about5_list li:hover img {
	transform: scale(1.1);
}
.about5_list li:hover h4 {
	background-color: rgba(208,21,45,0.84);
	color: #FFFFFF;
}
@media only screen and (max-width: 991px) {
	.about5_list li {
		width: calc(50% - 16px);
		width: -moz-calc(50% - 16px);
		width: -webkit-calc(50% - 16px);
	}
	.about5_list li:nth-of-type(2n+1) {
		margin: 0 32px 32px 0;
	}
	.about5_list li:nth-of-type(2n) {
		margin: 0 0 32px;
	}
}
@media only screen and (max-width: 767px) {
	.about5 {
	    padding: 10px 0 30px;
	}
	.about5 .about5_title {
	    font-size: 12px;
	    margin: 0 0 20px;
	}
	.about5_title h1 {
	    font-size: 28px;
	    margin: 0 0 10px;
	}
	.about5_list li {
		width: calc(50% - 5px);
		width: -moz-calc(50% - 5px);
		width: -webkit-calc(50% - 5px);
	}
	.about5_list li:nth-of-type(2n+1) {
		margin: 0 10px 10px 0;
	}
	.about5_list li:nth-of-type(2n) {
		margin: 0 0 10px;
	}
	.about5_list li h4 {
	    height: 25px;
	    line-height: 25px;
	    font-size: 12px;
	}
}