.banner{
    width:100%;
}
.banner img{
    width:100%;
}
.construction-title{
    text-align: center;
}
.construction-title h2{
    font-size:40px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(38,38,38,1);
}
.construction-title span{
    display: block;
    margin: 15px auto;
    width: 40px;
    height: 2px;
    background: #00A2E9;
}
.construction-title p{
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(112,112,112,1);
}

.construction-desc{
    width: 100%;
    height: 260px;
    padding: 70px 0;
    overflow: hidden;
    box-sizing: border-box;
}
.construction-desc .content{
    width: 1200px;
    margin: 0 auto;
}
.construction-desc .content .item{
    width: 180px;
    float: left;
    margin-right: 160px;
}
.construction-desc .content .item:nth-of-type(4){
    margin-right: 0;
}
.construction-desc .content .item h2{
    font-size:14px;
    font-family:Source Han Sans SC;
    font-weight:400;
    color:rgba(51,51,51,1);
    text-align: center;
}
.construction-desc .content .item h2 span{
    font-size:60px;
    font-family:Gotham Rounded;
    font-weight:normal;
    color:rgba(51,51,51,1);
}
.construction-desc .content .item p{
    font-size:14px;
    font-family:Source Han Sans SC;
    font-weight:400;
    line-height:20px;
    color:rgba(153,153,153,1);
    text-align: center;
}

.construction-effect{
    width: 100%;
    height: 595px;
    background: #F7F7F7;
    overflow: hidden;
    padding-top: 70px;
}
.construction-effect .content{
    width: 877px;
    margin: 0 auto;
    margin-top: 23px;
}
.construction-effect .content .left{
    float: left;
    width: 356px;
    height: 370px;
    background: url("../images/e1.png") no-repeat;
    background-size: 100% 100%;
    position: relative;
}
.construction-effect .content .left .title{
    position: absolute;
    top: 47%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: fit-content;
    width: -moz-fit-content;
    font-size:20px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(112,112,112,1);
}
.construction-effect .content .left .item{
    position: absolute;
    width: fit-content;
    width: -moz-fit-content;
}
.construction-effect .content .left .item p{
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(112,112,112,1);
    text-align: center;
}
.construction-effect .content .left .item h2{
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(112,112,112,1);
    text-align: center;
}
.construction-effect .content .left .item:nth-of-type(2){
    top: 55px;
    left: 150px;
}
.construction-effect .content .left .item:nth-of-type(3){
    top: 104px;
    left: 55px;
}
.construction-effect .content .left .item:nth-of-type(4){
    top: 104px;
    left: 243px;
}
.construction-effect .content .left .item:nth-of-type(5){
    top: 220px;
    left: 46px;
}
.construction-effect .content .left .item:nth-of-type(6){
    top: 220px;
    left: 227px;
}
.construction-effect .content .left .item:nth-of-type(7){
    top: 274px;
    left: 144px;
}
.construction-effect .content .right{
    width: 400px;
    height: 345px;
    margin-top: 12.5px;
    float: right;
    position: relative;
    background: url("../images/e2.png");
    background-size: 100% 100%;
}
.construction-effect .content .right .title{
    position: absolute;
    top: 47%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: fit-content;
    width: -moz-fit-content;
    font-size:20px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(112,112,112,1);
}
.construction-effect .content .right .item{
    position: absolute;
    width:270px;
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:24px;
    color:rgba(112,112,112,1);
    text-align: center;
}
.construction-effect .content .right .item:nth-of-type(2){
    top: 70px;
    left: 60px;
}
.construction-effect .content .right .item:nth-of-type(3){
    top: 210px;
    left: 70px;
}

.construction-design{
    width: 100%;
    height: 640px;
    background: url("../images/db.png") no-repeat center center;
    background-size: auto 100%;
    overflow: hidden;
    box-sizing: border-box;
    padding-top: 70px;
}
.construction-design .content{
    width: 1200px;
    margin: 0 auto;
}
.construction-design .content .left{
    float: left;
    width: 400px;
    height: 500px;
    position: relative;
}
.construction-design .content .left .title h2{
    font-size:48px;
    font-family:Source Han Sans CN;
    font-weight:bold;
    color:rgba(255,255,255,1);
    white-space: nowrap;
}
.construction-design .content .left .title span{
    display: block;
    margin: 20px 0;
    background: #fff;
    width: 40px;
    height: 2px;
}
.construction-design .content .left .title p{
    font-size:30px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.construction-design .content .left .design-nav{
    margin-top: 10px;
}
.construction-design .content .left .design-nav .item{
    width: 100%;
    height: 90px;
    position: relative;
}
.construction-design .content .left .design-nav .item .mask{
    position: absolute;
    width: 0;
    height: 100%;
    top: 0;
    left: 0;
    background: #068BF2;
    transition-duration: .3s;
}
.construction-design .content .left .design-nav .item.on .mask{
    width: 100%;
}
.construction-design .content .left .design-nav .item .imgBox{
    width: 40px;
    height: 35px;
    margin:27.5px 20px;
    float: left;
    position: relative;
    z-index: 2;
}
.construction-design .content .left .design-nav .item .imgBox img{
    width: 100%;
    height: 100%;
}
.construction-design .content .left .design-nav .item .wordsBox{
    margin-top: 21px;
    float: left;
    position: relative;
    z-index: 2;
}
.construction-design .content .left .design-nav .item .wordsBox h2{
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.construction-design .content .left .design-nav .item .wordsBox p{
    font-size:12px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(255,255,255,1);
    margin-top: 10px;
}
.construction-design .content .left .more{
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    display: block;
    width: 260px;
    height: 60px;
    border-radius: 100px;
    border: 1px solid #fff;
    text-align: center;
    line-height: 60px;
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(255,255,255,1);
    transition-duration: .3s;
    background: none;
}
.construction-design .content .left .more:hover{
    background: #fff;
    color: #000;
}
.construction-design .content .right{
    width: 720px;
    height: 500px;
    float: right;
}
.construction-design .content .right .swiper-slide{
    position: relative;
    width: 100%;
    height: 100%;
}
.construction-design .content .right .swiper-slide img{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
.construction-design .content .right .swiper-slide .wordsBox{
    display: block;
    width: 300px;
    margin-top: 154px;
    margin-left: 360px;
    position: relative;
}
.construction-design .content .right .swiper-slide .wordsBox h2{
    font-size:24px;
    font-family:Source Han Sans CN;
    font-weight:bold;
    color:rgba(255,255,255,1);
}
.construction-design .content .right .swiper-slide .wordsBox p{
    font-size:12px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:20px;
    color:rgba(255,255,255,1);
    margin: 15px 0;
}
.construction-design .content .right .swiper-slide .wordsBox span{
    display: block;
    width: 100%;
    height: 1px;
    background: #fff;
}
.construction-design .content .right .swiper-slide .wordsBox ul{
    margin-top: 18px;
    width: 100%;
}
.construction-design .content .right .swiper-slide .wordsBox ul li{
    list-style: disc;
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(255,255,255,1);
    width: 33.333%;
    float: left;
    margin-bottom: 20px;
    list-style-position: inside;
}

.construction-system{
    background: url("../images/sb.png") no-repeat center center;
    background-size: auto 100%;
    width: 100%;
    height: 455px;
    box-sizing: border-box;
    padding-top: 70px;
}
.construction-system .content{
    width: 1200px;
    margin: 0 auto;
}
.construction-system .content .title h2{
    font-size:48px;
    font-family:Source Han Sans CN;
    font-weight:bold;
    color:rgba(38,38,38,1);
    text-align: right;
}
.construction-system .content .title span{
    display: block;
    width: 40px;
    height: 2px;
    background: #00A2E9;
    margin-top: 20px;
    margin-left: 1160px;
}
.construction-system .content .main{
    width: 1200px;
    height: 240px;
    overflow: hidden;
    margin-top: 13px;
}
.construction-system .content .main .left{
    float: left;
    width: 866px;
    height: 100%;
}
.construction-system .content .main .left .item{
    width: 276.5px;
    height: 105px;
    margin-right: 18px;
    margin-bottom: 25px;
    position: relative;
    float: left;
}
.construction-system .content .main .left .item:nth-of-type(3n){
    margin-right: 0;
}
.construction-system .content .main .left .item img{
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 0;
    top: 0;
    left: 0;
}
.construction-system .content .main .left .item>h2{
    font-size:24px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(255,255,255,1);
    margin-top: 25px;
    float: left;
    margin-left: 30px;
    position: relative;
    z-index: 2;
}
.construction-system .content .main .left .item>p{
    font-size:24px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(38,38,38,1);
    margin-top: 35px;
    margin-left: 46px;
    float: left;
    position: relative;
    z-index: 2;
}
.construction-system .content .main .right{
    width: 300px;
    float: right;
    height: 100%;
    position: relative;
}
.construction-system .content .main .right h2{
    font-size:30px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(38,38,38,1);
    text-align: right;
}
.construction-system .content .main .right p{
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:24px;
    color:rgba(153,153,153,1);
    text-align: right;
    margin: 20px 0;
}
.construction-system .content .main .right span{
    width: 1px;
    height: 80px;
    background: #cccccc;
    display: block;
    margin-left: 299px;
}
.construction-system .content .main .right img{
    display: block;
    width: 255px;
    height: auto;
    position: absolute;
    bottom: 0;
    right:0;
}

.construction-process{
    background: url("../images/pb.png") no-repeat center center;
    background-size: auto 100%;
    width: 100%;
    height: 550px;
    box-sizing: border-box;
    padding-top: 70px;
}
.construction-process .content{
    width: 1200px;
    margin: 0 auto;
}
.construction-process .content .title h2{
    font-size:48px;
    font-family:Source Han Sans CN;
    font-weight:bold;
    color:rgba(38,38,38,1);
}
.construction-process .content .title span{
    display: block;
    width: 40px;
    height: 2px;
    background: #00A2E9;
    margin: 20px 0;
}
.construction-process .content .main{
    width: 100%;
    height: 320px;
}
.construction-process .content .main .left{
    float: left;
    width: 300px;
    position: relative;
    height: 320px;
}
.construction-process .content .main .left h2{
    font-size:30px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(38,38,38,1);
    margin-bottom: 30px;
}
.construction-process .content .main .left p{
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:24px;
    color:rgba(153,153,153,1);
    opacity:1;
}
.construction-process .content .main .left a{
    display: block;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(0,162,233,1);
    width: 260px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    box-sizing: border-box;
    border: 1px solid rgba(0,162,233,1);
    transition-duration: .3s;
    border-radius: 100px;
}
.construction-process .content .main .left a:hover{
    background: rgba(0,162,233,1);
    color: #fff;
}
.construction-process .content .main .right{
    float: right;
    width: 840px;
}
.construction-process .content .main .right .item{
    width: 280px;
    height: 160px;
    float: left;
    border-right: 1px solid #CCCCCC;
    border-bottom: 1px solid #cccccc;
    box-sizing: border-box;
    position: relative;
}
.construction-process .content .main .right .item:nth-of-type(3n){
    border-right: none;
}
.construction-process .content .main .right .item:nth-of-type(5),.construction-process .content .main .right .item:nth-of-type(4),.construction-process .content .main .right .item:nth-of-type(6){
    border-bottom: none;
}
.construction-process .content .main .right .item .wrap1{
    padding-top: 50px;
}
.construction-process .content .main .right .item .wrap1 .imgBox{
    width: 115px;
    height: 60px;
    border-right: 1px solid #cccccc;
    position: relative;
    float: left;
}
.construction-process .content .main .right .item .wrap1 .imgBox img{
    height: 50px;
    width: auto;
    position: absolute;
    display: block;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.construction-process .content .main .right .item .wrap1 .wordsBox{
    float: left;
    margin-left: 15px;
}
.construction-process .content .main .right .item .wrap1 .wordsBox h2{
    font-size:18px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(38,38,38,1);
}
.construction-process .content .main .right .item .wrap1 .wordsBox p{
    font-size:12px;
    font-family:Source Han Sans CN;
    font-weight:400;
    color:rgba(153,153,153,1);
    margin-top: 15px;
}


.construction-process .content .main .right .item .wrap2{
    position: absolute;
    width: 100%;
    height: 0;
    top: 0;
    left: 0;
    z-index: 2;
    box-sizing: border-box;
    transition-duration: .3s;
    overflow: hidden;
}
.construction-process .content .main .right .item:hover .wrap2{
    height: 100%;
}
.construction-process .content .main .right .item .wrap2 img{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
}
.construction-process .content .main .right .item .wrap2 p{
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:20px;
    color:rgba(255,255,255,1);
    opacity:1;
    margin-left: 25px;
}
.construction-process .content .main .right .item .wrap2 p:nth-of-type(1){
    margin-top: 20px;
}
.construction-process .content .main .right .item .wrap2 span{
    display: block;
    position: absolute;
    background: url("../images/pi.png") no-repeat;
    width: 25px;
    height: 12px;
    bottom: 19px;
    right: 23px;
}

.construction-guarantee{
    width: 100%;
    height: 700px;
    padding-top: 70px;
    overflow: hidden;
    box-sizing: border-box;
}
.construction-guarantee .content{
    background: url("../images/gb.png") no-repeat;
    width: 843px;
    height: 380px;
    background-size: 100% 100%;
    margin: 0 auto;
    margin-top: 40px;
    position: relative;
}
.construction-guarantee .content .item{
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:27px;
    color:rgba(102,102,102,1);
    position: absolute;
    white-space: nowrap;
}
.construction-guarantee .content .item:nth-of-type(1){
    top: 400px;
    left: -70px;
}
.construction-guarantee .content .item:nth-of-type(2){
    top: 190px;
    left: 132px;
}
.construction-guarantee .content .item:nth-of-type(3){
    top: 90px;
    left: 386px;
}
.construction-guarantee .content .item:nth-of-type(4){
    top: 190px;
    left: 645px;
}
.construction-guarantee .content .item:nth-of-type(5){
    top: 400px;
    left: 660px;
}
.construction-guarantee .content .imgBox{
    width: 413px;
    height: 250px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -52px;
}

.construction-advantage{
    width: 100%;
    height: 580px;
    background: url("../images/advantage-bg.png") no-repeat center center;
    background-size: auto 100%;
    overflow: hidden;
    box-sizing: border-box;
    padding-top: 70px;
}
.construction-advantage .main{
    width: 100%;
    position: relative;
    height: 145px;
    background: url("../images/advantage-line.png") no-repeat center center;
    background-size: auto 100%;
    margin-top: 126px;
}
.construction-advantage .main .content{
    position: relative;
    width: 1200px;
    margin: 0 auto;
}
.construction-advantage .main .content .item{
    position: absolute;
    width: 170px;
}
.construction-advantage .main .content .item .imgBox{
    width: 100px;
    height: 100px;
    position: relative;
    overflow: hidden;
    background: url("../images/cab.png") no-repeat center center;
    background-size: 100% 100%;
    margin: 0 auto;
}
.construction-advantage .main .content .item:hover .imgBox{
    background: url("../images/cah.png") no-repeat center center;
    background-size: 100% 100%;
}
.construction-advantage .main .content .item .imgBox img{
    display: block;
    width: 40px;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.construction-advantage .main .content .item .wordsBox{
    width: 170px;
    text-align: center;
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:24px;
    color:rgba(255,255,255,1);
    margin-top: 20px;
}
.construction-advantage .main .content .item:nth-of-type(1){
    top: 10px;
    left: 0px;
}
.construction-advantage .main .content .item:nth-of-type(2){
    top: 70px;
    left: 200px;
}
.construction-advantage .main .content .item:nth-of-type(3){
    top: -20px;
    left: 390px;
}
.construction-advantage .main .content .item:nth-of-type(4){
    top: -40px;
    left: 600px;
}
.construction-advantage .main .content .item:nth-of-type(5){
    top: 50px;
    left: 800px;
}
.construction-advantage .main .content .item:nth-of-type(6){
    top: -20px;
    right: 0px;
}


.construction-case{
    width: 100%;
    height:1188px;
    background:rgba(247,247,247,1);
    padding-top: 70px;
    overflow: hidden;
    box-sizing: border-box;
}
.construction-case .content{
    width: 1200px;
    margin: 0 auto;
    margin-top: 40px;
    height: 780px;
}
.construction-case .content .item{
    width: 384px;
    float: left;
    margin-right: 24px;
    display: block;
    margin-bottom: 30px;
}
.construction-case .content .item:nth-of-type(3n){
    margin-right: 0;
}
.construction-case .content .item .imgBox{
    width: 384px;
    height: 310px;
    overflow: hidden;
}
.construction-case .content .item .imgBox img{
    width: 100%;
    height: auto;
    transition-duration: .3s;
}
.construction-case .content .item .wordsBox {
    font-size:16px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:60px;
    color:rgba(102,102,102,1);
    opacity:1;
    width: 100%;
    height: 60px;
    background: #fff;
    transition-duration: .3s;
    box-sizing: border-box;
    padding: 0 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.construction-case .content .item:hover .imgBox img{
    transform: scale(1.1);
}
.construction-case .content .item:hover .wordsBox{
    background: #0089ff;
    color: #fff;
}
.construction-case .more{
    width: 300px;
    height: 60px;
    box-sizing: border-box;
    border: 1px solid #0089ff;
    color: #0089ff;
    display: block;
    margin: 0 auto;
    margin-top: 60px;
    text-align: center;
    line-height: 60px;
    background: none;
    overflow: hidden;
    border-radius: 100px;
    transition-duration: .3s;
}
.construction-case .more:hover{
    background: #0089ff;
    color: #fff;
}

.construction-service{
    padding-top: 70px;
    padding-bottom: 100px;
    width: 1200px;
    margin: 0 auto;
}
.construction-service-content{
    margin-top: 40px;
    height: 340px;
}
.construction-service .item{
    width: 285px;
    height: 340px;
    border: 1px solid #E6E6E6;
    float: left;
    box-sizing: border-box;
    margin-right: 20px;
    position: relative;
    transition-duration: .3s;
}
.construction-service .item-bg{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    z-index: -1;
    transition-duration: .3s;
}
.construction-service .item-bg img{
    width: 100%;
    height: 100%;
}
.construction-service .item:nth-of-type(4){
    margin-right: 0;
}
.construction-service .item .imgBox{
    width: 90px;
    height: 90px;
    box-sizing: border-box;
    border: 1px solid #999999;
    border-radius: 50%;
    margin: 0 auto;
    margin-top: 50px;
    position: relative;
}
.construction-service .item .imgBox img{
    height: 40px;
    width: auto;
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.construction-service .item .wordsBox{
    margin-top: 30px;
}
.construction-service .item .imgBox img:nth-of-type(2){
    display: none;
}
.construction-service .item .wordsBox h2{
    font-size:20px;
    font-family:Source Han Sans CN;
    font-weight:500;
    color:rgba(153,153,153,1);
    text-align: center;
}
.construction-service .item .wordsBox span{
    width: 50px;
    height: 1px;
    display: block;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 30px;
    background: #999999;
}
.construction-service .item .wordsBox p{
    display: block;
    margin: 0 auto;
    width:225px;
    font-size:14px;
    font-family:Source Han Sans CN;
    font-weight:400;
    line-height:24px;
    color:rgba(153,153,153,1);
    text-align: center;
}
.construction-service .item:hover{
    margin-top: -10px;
    border: none;
    box-shadow: 0px 3px 10px 0px #00000063;
}
.construction-service .item:hover .item-bg{
    height: 100%;
}
.construction-service .item:hover .imgBox img:nth-of-type(1){
    display: none;
}
.construction-service .item:hover .imgBox img:nth-of-type(2){
    display: block;
}
.construction-service .item:hover .imgBox{
    border-color: #fff;
}
.construction-service .item:hover .wordsBox h2,.construction-service .item:hover .wordsBox p{
    color: #fff;
}
.construction-service .item:hover .wordsBox span{
    background: #fff;
}