.about_banner{
	width: 100%;
	overflow: hidden;
}
.about_banner img:last-of-type{
	display: none;
}
@media only screen and (max-width:991px ) {
	.about_banner img{
		width: 1200px;
		position: relative;
		left: 50%;
		margin-left: -600px;
	}
}
@media only screen and (max-width:767px ) {
	.about_banner img:first-of-type{
		display: none;
	}
	.about_banner img:last-of-type{
		display: inline-block;
	}
	.about_banner img{
		width: 100%;
		left: 0;
		margin-left: 0;
	}
}
@media only screen and (min-width:992px ) {
	.about_banner img{
		width: 100%;
	}
}
@media only screen and (min-width:1200px ) {
	.about_banner img{
		width: auto;
	}
}
@media only screen and (min-width:1921px ) {
	.about_banner img{
		width: 100%;
	}
}
.about_company{
	width: 100%;
	overflow: hidden;
}
.about_company .container{
	overflow: hidden;
	padding: 60px 0;
	font-size: 14px;
	color: #666666;
	text-align: justify;
	line-height: 25px;
}
.company_title{
	width: 100%;
	text-align: center;
	overflow: hidden;
	position: relative;
	margin-bottom: 35px;
}
.company_title h3{
	width: 100%;
	font-size: 35px;
	color: #0c3190;
	position: absolute;
	bottom: 0;
}
@media only screen and (max-width:991px ) {
	.about_company>img{
		width: 1000px;
		position: relative;
		left: 50%;
		margin-left: -620px;
	}
}
@media only screen and (max-width:767px ) {
	.about_company .container{
		padding:30px 10px;
	}
	.company_title img{
		width: 100%;
	}
	.company_title h3{
		font-size: 20px;
	}
}
@media only screen and (min-width:992px ) {
	.about_company>img{
		width: 100%;
	}
}
@media only screen and (min-width:1200px ) {
	.about_company>img{
		width: auto;
	}
}
@media only screen and (min-width:1920px ) {
	.about_company>img{
		width: 100%;
	}
}
/*尊重人才  科技创新*/
.about_address{
	width: 100%;
	overflow: hidden;
	padding: 60px 0 70px;
}
.address_title{
	width: 100%;
	overflow: hidden;
	text-align: center;
	color: #8b8b8b;
	margin-bottom: 50px;
}
.address_title h1{
	color: #333333;
	margin-bottom: 10px;
}
.address_box{
 	width: 100%;
 	height: 415px;
 	overflow: hidden;
}
.address_chairman{
	height: 100%;
	overflow: hidden;
	background: url(../img/address.jpg) no-repeat center center;
	background-size: auto 100%;
	padding: 60px 40px 60px 35px;
	color: #FFFFFF;
	text-align: justify;
	font-size: 14px;
	line-height: 25px;
}
.address_chairman h3{
	font-size: 30px;
	color: #FFFFFF;
	margin-bottom: 30px;
}
.address_chairman h3 img{
	margin-right: 15px;
}
.address_chairman a{
	display: block;
	width: 120px;
	height: 40px;
	border: 1px solid #FFFFFF;
	text-align: center;
	line-height: 38px;
	color: #FFFFFF;
	font-size: 12px;
	position: absolute;
	left: 35px;
	bottom: 75px;
}
.about_culture{
	height: 100%;
	overflow: hidden;
}
.culture_box,.work_box{
	width: 100%;
	height: 50%;
	overflow: hidden;
}
.culture_box li,.work_box li{
	width: 50%;
	height: 100%;
	background-color: #f6f6f6;
	overflow: hidden;
	float: left;
}
.culture_img{
	background: url(../img/culture1.jpg) no-repeat center center;
	background-size: auto 100%;
}
.work_img{
	background: url(../img/work.jpg) no-repeat center center;
	background-size: auto 100%;
}
.culture_text,.work_text{
	padding: 55px 25px;
	color: #666666;
	line-height: 20px;
}
.culture_text h4,.work_text h4{
	font-size: 26px;
	color: #06287e;
	line-height: 30px;
	margin-bottom: 12px;
}
.culture_text h4 img,.work_text h4 img{
	margin-right: 8px;
}
@media only screen and (max-width:991px ) {
	.address_box{
	 	width: 100%;
	 	height: 830px;
	 	overflow: hidden;
	}
	.address_chairman{
		height: 50%;
		background-size: 100% auto;
	}
	.about_culture{
		height: 50%;
	}
	.culture_img{
		background-size: 100% auto ;
	}
	.work_img{
		background-size: 100% auto ;
	}
	.culture_text,.work_text{
		padding: 55px 45px;
	}
}
@media only screen and (max-width:767px ) {
	.about_address {
	    padding: 40px 0 30px;
	}
	.address_title h1 {
	    font-size: 24px;
	}
	.address_title {
	    margin-bottom: 20px;
	}
	.address_chairman h3 {
	    font-size: 20px;
	    margin-bottom: 20px;
	}
	.address_chairman h3 img{
		width: 8px;
		margin-right: 10px;
	}
	.address_box{
	 	height: 700px;
	}
	.address_chairman{
		height: 50%;
		background-size: auto 100%;
		font-size: 12px;
		line-height: 20px;
	}
	.address_chairman a {
	    width: 100px;
	    height: 30px;
	    line-height: 28px;
	}
	.culture_text h4,.work_text h4{
		font-size: 18px;
		line-height: 20px;
	}
	.culture_text h4 img,.work_text h4 img{
		width: 7px;
		margin-top: -2px;
	}
	.culture_img{
		background-size: auto 100%;
	}
	.work_img{
		background-size:auto 100%;
	}
	.culture_text,.work_text{
		padding: 40px 20px;
	}
}
/*铝都视频*/
.about_video{
	width: 100%;
	height: 505px;
	overflow: hidden;
	position: relative;
}
.about_video video{
	display: block;
	width: 100%;
	height: 100%;
}
.video_icon{
	width: 80px;
	overflow: hidden;
	cursor: pointer;
	position: absolute;
	left: 50%;
	top: 180px;
	margin-left: -40px;
}
.video_icon img{
	width: 100%;
}
.about_videoMenu{
	width: 100%;
	overflow: hidden;
	position: absolute;
	left: 0;
	bottom: 25px;
	text-align:center;
}
.about_videoMenu li{
	display: inline-block;
	width: 150px;
	overflow: hidden;
	border: 1px solid #aaaaaa;
	cursor: pointer;
	margin: 0 5px;
}
.about_videoMenu li.video_menuNow{
	border-color: #e60012;
}
.about_videoMenu li img{
	width: 100%;
}
.video_video{
	width: 100%;
	height: 100%;
	background-color: rgba(0,0,0,0.55);
	position: fixed;
	left: 0;
	top: 0;
	z-index: 200;
	padding: 150px 0;
	display: none;
	border: none;
}
.video_video video{
	width: 100%;
}
@media only screen and (max-width:991px){
	.about_video>video {
		width: 1200px;
		position: relative;
		left: 50%;
		margin-left: -600px;
	}
}
@media only screen and (max-width:767px) {
	.about_video {
		height: 305px;
	}
	.about_videoMenu {
		bottom: 15px;
	}
	.about_videoMenu li {
		width: 18%;
		margin: 0;
	}
	.video_icon {
		width: 60px;
		position: absolute;
		left: 50%;
		top: 100px;
		margin-left: -30px;
	}
}
@media only screen and (min-width:992px) {
	.about_video>video {
		width: 1920px;
		position: relative;
		left: 50%;
		margin-left: -960px;
	}
}
@media only screen and (min-width:1250px) {
	.about_video>video {
		width: 1920px;
		position: relative;
		left: 50%;
		margin-left: -960px;
	}
}
@media only screen and (min-width:1921px) {
	.about_video {
		height: auto;
	}
	.about_video>video {
		width: 100%;
		left: 0;
		margin-left: 0;
	}
}
/*党建文化*/
.party_building{
	width: 100%;
	overflow: hidden;
	padding: 55px 0 60px;
}
.partyBuilding_title{
	width: 100%;
	text-align: center;
	overflow: hidden;
	color: #8b8b8b;
	margin-bottom: 25px;
}
.partyBuilding_title h1{
	font-size: 36px;
	color: #333333;
	margin-bottom: 10px;
}
.party_building ul{
	width: 100%;
	height: 365px;
	overflow: hidden;
}
.party_building ul li{
	width: 530px;
	height: 100%;
	overflow: hidden;
	float: left;
}
.party_building ul li.partyBuilding_img{
	padding-top: 14px;
	float: right;
}
.party_building ul li a{
	width: 100%;
	height: 121px;
	display: block;
	overflow: hidden;
	padding: 30px 0;
	border-bottom: 1px solid #DDDDDD;
	cursor: pointer;
}
.party_building ul li a:hover{
	background-color: #f7f7f7;
}
.partyBuilding_time{
	width: 75px;
	height:100%;
	overflow: hidden;
	float: left;
	color: #8b8b8b;
}
.partyBuilding_time h1{
	font-size: 40px;
	font-weight: bold;
	color: #e60012;
}
.partyBuilding_content{
	width: 445px;
	height: 100%;
	overflow: hidden;
	float: right;
	color: #666666;
}
.partyBuilding_content h3{
	color: #333333;
	font-size: 16px;
	font-weight: bold;
	margin-bottom: 8px;
}
.partyBuilding_img .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 10px;
    left: 0;
    width: 100%;
}
.partyBuilding_img .swiper-pagination-bullet-active {
    background: #d92702;
}
@media only screen and (max-width:991px ) {
	.party_building ul{
		height: auto;
	}
	.party_building ul li{
		width: 100%;
	}
	.partyBuilding_img img{
		width: 100%;
	}
	.partyBuilding_content{
		width: calc(100% - 75px);
	}
	.party_building ul li.partyBuilding_img{
		padding-top: 0;
	}
}
@media only screen and (max-width:767px ) {
	.party_building{
		padding: 35px 0 30px;
	}
	.partyBuilding_title{
		margin-bottom: 20px;
	}
	.partyBuilding_title h1{
		font-size: 24px;
	}
	.party_building ul li a{
		width: 100%;
		height: 100px;
		display: block;
		overflow: hidden;
		padding: 20px 0;
		border-bottom: 1px solid #DDDDDD;
		cursor: pointer;
	}
	.partyBuilding_content h3{
		font-size: 14px;
	}
	.partyBuilding_time{
		width: 65px;
	}
	.partyBuilding_content{
		width: calc(100% - 65px);
	}
}
@media only screen and (min-width:992px ) {
	.party_building ul li{
		width: 470px;
	}
	.partyBuilding_content{
		width: 395px;
	}
}
@media only screen and (min-width:1200px ) {
	.party_building ul li{
		width: 530px;
	}
	.partyBuilding_content{
		width: 445px;
	}
}