.border_none{
    border: none;
}

@media(max-width:1600px) {
    .about-us .box{
        max-width: 1200px;
    }
    .top_left_item:not(:last-child) {
        width: 160px;
    }
    .news-image{
        height: 170px;
    }
}
@media(max-width:1350px) {
    .top_left_item:not(:last-child) {
        width: 150px;
    }
}
@media(max-width:1200px) {
    .w1200 {
        padding: 0 3%;
    }
    .top_left_item:not(:last-child) {
        width: 120px;
    }
    .news-image{
        height: 135px;
    }
}

@media(max-width:1023px){
    .nav-xz{
        display: none;
    }
    .page-header .main-logo img:nth-child(1){
        display: none;
    }
    .page-header .main-logo img:nth-child(2){
        display: block;
    }
    .index-swiper .mobile-banner-title{
        position: absolute;
        width: 85%;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
    }
    .index-swiper .banner-title{
        position: relative;
        left: 0;
        top: 0;
        width: 100%;
        font-size: 20px;
        line-height: 30px;
        text-align: center;
        font-weight: bold;
    }
    .index-swiper .banner-title-en{
        position: relative;
        display: none;
        left: 0;
        top:0;
        width: 100%;
        font-size: 10px;
        line-height: 20px;
        text-align: center;
    }
    .index-swiper .swiper-pagination {
        position: absolute;
        bottom: 7%;
        left: 50%;
        transform: translateX(-50%);
    }
    .index-swiper .swiper-pagination-bullet {
        position: relative;
        display: inline-block;
        font-size: 20px;
        line-height: 30px;
        color: #fff;
        margin: 0 5px !important;
        width: 8px;
        height: 8px;
        border-radius: 100%;
        background-color: #fff;
        opacity: 1;
    }
    .index-swiper .swiper-pagination-bullet-active{
        background-color: #5E88CA;
    }
    .index-swiper .swiper-pagination-bullet-active::after {
        display: none;
    }
    :root {
        --swiper-navigation-size: 30px !important;
    }

    .index-page02,.index-page03,.index-page04,.index-page05{
        background:#fff;
        padding:14px 16px 0;
    }
    .index-page02 .business-box{
        display: block;
    }
    .index-page02 .business-box .box-left{
        display: block;
        width: 100%;
        padding-top: 0;
        padding-left: 0;
    }
    /*标题*/
    .newtitle .zh {
        color: #5E88CA;
        font-size: 21px;
        line-height: 41px;
        font-weight: bold;
        text-align: center;
    }
    .newtitle .zh::after {
        position: absolute;
        content: '';
        left: 50%;
        bottom: -4px;
        width: 30px;
        height: 4px;
        transform: translateX(-50%);
        background-color: #5E88CA;
    }
    .newtitle .en {
        display: block;
        color: #ccc;
        font-size: 20px;
        line-height: 34px;
        margin-top: 5px;
        margin-bottom: 8px;
        font-weight: bold;
        text-align: center;
        text-transform: uppercase;
    }

    .index-page02 .content{
        max-height: 150px;
    }
    .index-page02 .content p{
        font-size: 14px;
        line-height: 30px;
    }
    .index-page02 .looking-more{
        font-size: 12px;
        line-height: 24px;
        color: #999;
        margin-top: 0;
        margin-bottom: 16px;
    }

    .about-us-menu {
        height: 96px;
        padding: 10px 0;
        margin: 0 -16px;
    }
    .menu-item {
        width: 100%;
        height: 76px;
        padding: 10px 0;
        text-align: center;
        font-size: 12px;
        line-height: 20px;
        font-weight: bold;
        color: #333;
        background-color: #fff;
        cursor: pointer;
        transition: all 0.6s ease;
    }
    .menu-item img {
        width: 36px;
        height: 36px;
        margin: 0 auto;
    }
    .menu-item .menu-item-name{
        font-weight: bold;
    }
    .index-page02 .business-box .box-right{
        height: auto;
    }
    .play-video {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 60px;
        height: 60px;
        transform: translate(-50%,-50%);
    }

    .index-page03{
        padding-bottom: 25px;
    }
    .index-page03 .business-box{
        position: relative;
        left: 0;
        top: 0;
    }
    .index-page03 .business-swiper{
        height: auto;
    }
    .business-swiper .swiper-slide>img{
        height: auto;
    }
    .index-page03 .business-swiper .business-intro {
        position: relative;
        padding: 20px 12px 36px;
        right: 0;
        bottom: 0;
        width: 100%;
        background-color: #5E88CA;
    }
    .index-page03 .business-swiper .newtitle .zh {
        font-size: 24px;
        line-height: 41px;
        text-align: left;
    }
    .index-page03 .business-swiper .newtitle .zh::after {
        display: none;
    }
    .business-intro .content p{
        font-size: 14px;
        line-height: 24px;
        height: 48px;
    }
    .index-page03 .business-swiper{
        position: relative;
    }
    .index-page03 .business-swiper .swiper-pagination{
        display: block;
        width: 48px;
        left: auto;
        right: 7px;
        bottom: 191px;
        padding: 3px 0;
        border-radius: 4px;
        text-align: center;
        font-size: 10px;
        line-height: 20px;
        color: #fff;
        background-color: rgba(0,0,0,0.5);
    }
    .index-page03 .business-swiper .swiper-pagination .swiper-pagination-current{
        font-size: 14px;
        font-weight: bold;
    }

    .index-page04{
        position: relative;
        padding-bottom: 83px;
    }
    .index-page04 .example-content{
        padding: 16px 10px;
        background-color: #F6F7F8;
    }
    .index-page04 .example-title{
        font-size: 18px;
        line-height: 30px;
        color: #333;
        font-weight: bold;
        margin-bottom: 10px;
    }
    .index-page04 .looking-more{
        font-size: 12px;
        line-height: 30px;
        color: #999;
    }
    .index-page04 .looking-more img{
        width: 12px;
        height: 12px;
        margin-left: 8px;
    }
    .index-page04 .swiper-button-prev{
        left: 30%;
        top: auto;
        bottom: 20px;
        width: 40px;
        height: 40px;
        background-color: #5E88CA;
        border-radius: 50%;
    }
    .index-page04 .swiper-button-next{
        right: 30%;
        top: auto;
        bottom: 20px;
        width: 40px;
        height: 40px;
        background-color: #5E88CA;
        border-radius: 50%;
    }
    .index-page04 .swiper-button-prev::after,.index-page04 .swiper-button-next::after{
        font-size: 20px;
    }

    .index-page05 .news-image{
        width: 100%;
    }
    .index-page05 .news-image img{
        width: 100%;
    }
    .index-page05 .news-item{
        display: block;
        margin-bottom: 30px;
    }
    .index-page05 .news-info{
        background-color: #F6F7F8;
        padding: 10px 12px;
        height: auto;
    }
    .index-page05 .news-info h1{
        font-size: 18px;
        line-height: 32px;
        color: #333;
        font-weight: bold;
        margin-bottom: 12px;
    }
    .index-page05 .news-info p{
        font-size: 12px;
        line-height: 20px;
        color: #999;
        margin-bottom: 8px;
    }
    .index-page05 .news-info .news-time{
        font-size: 12px;
        line-height: 20px;
        color: #999;
    }
    .index-page05>.looking-more{
        width: 100%;
        font-size: 16px;
        line-height: 60px;
        color: #5E88CA;
        background-color: #fff;
        border: 1px solid #5E88CA;
        text-align: center;
        margin-bottom: 43px;
    }
    .index-page05>.looking-more:hover{
        color: #fff;
        background-color: #5E88CA;
    }
    .footer .ft_top{
        padding: 16px 20px 28px;
        display: block;
    }
    .footer .ft_top .ft_top_left{
        width: 100%;
        display: block;
        padding-top: 0;
    }
    .top_left_item{
        border-bottom: 1px solid #707070;
    }
    .top_left_item:not(:last-child){
        width: 100%;
    }
    .top_left_item_name{
        position: relative;
        font-size: 16px;
        line-height: 40px;
        padding-left: 14px;
        background: url("../images/icon_jiahao.png") no-repeat 96% center/24px 24px;
    }
    .top_left_item>ul{
        padding-bottom: 12px;
    }
    .top_left_item.active .top_left_item_name{
        background: url("../images/icon_sub.png") no-repeat 96% center/24px 24px;
    }
    .top_left_item>ul>li>a{
        display: block;
        font-size: 12px;
        line-height: 30px;
        padding: 0 50px;
    }
    .ft_bot_bg{
        padding: 24px 28px 43px;
        background-color: #000;
        font-size: 12px;
        line-height: 26px;
    }
    .ft_top_right{
        display: flex;
        padding: 0 20px;
    }
    .ft_top_right_bot,.ft_top_right_top{
        width: 50%;
        margin: 0;
    }
    .ft_top_right_bot p ,.ft_top_right_top p {
        margin: 0;
    }
    .ft_bot{
        display: block;
    }
    .ft_bot_left{
        display: block;
        font-size: 12px;
        line-height: 30px;
        margin-bottom: 20px;
    }
    .ft_bot_right p{
        font-size: 12px;
        line-height: 30px;
        white-space: nowrap;
    }
    .ft_bot_right img {
        right: auto;
        left: 245px;
    }

    .about-us{
        padding: 0 16px;
    }

    .footer .ft_top .ft_top_right{
        display: none;
    }

    .only-image{
        width: 100%;
    }

/*    集团概况*/
    .banner{
        margin-top: 50px;
    }

/*    发展历程*/
    .steps{
        margin: 24px 12px;
    }
    .steps::after{
        left: 0;
    }
    .step{
        padding-bottom: 15px;
    }
    .step-tit{
        margin-bottom: 8px;
    }
    .step:nth-child(2n+2) .step-tit{
        text-align: left;
    }
    .step-tit::before{
        width: 16px;
        height: 16px;
        left: 0;
        top: 0;
    }
    .step-item{
        width: 100%;
        padding: 0 24px 16px;
    }

/*    集团概况*/
    .banner .title,.banner .choose{
        display: none;
    }
    .about-us{
        background-color: #fff;
    }
    .about-us.company-intro{
        padding-bottom: 80px;
        background: none;
    }
    .about-us .box{
        padding: 18px 0 30px;
    }
    .about-us .box .inner-title{
        display: none;
    }
    .mob-title{
        display: block;
        font-size: 24px;
        line-height: 41px;
        color: #333;
        font-weight: bold;
        margin-bottom: 16px;
    }
    .mob-choose{
        display: flex;
        flex-wrap: wrap;
        margin-bottom: 25px;
    }
    .mob-choose .choose-item{
        width: calc(calc(100% - 20px) / 3);
        font-size: 14px;
        line-height: 44px;
        color: #333;
        background-color: #eee;
        text-align: center;
        margin-bottom: 10px;
    }
    .mob-choose .choose-item:not(:nth-child(3n+3)){
        margin-right: 10px;
    }
    .mob-choose .choose-item.active{
        color: #fff;
        background-color: #5E88CA;
    }

/*    介绍*/
    .about-us-content{
        display: block;
        margin-bottom: 0;
    }
    .about-us-content .intro-page,.about-us-content .intro-image{
        width: 100%;
    }
    .about-us-content .intro-page p:not(:last-child){
        margin-bottom: 36px;
    }
    .about-us-content .intro-page{
        margin-bottom: 24px;
    }
    .about-us-content .intro-image{
        margin-bottom: 15px;
    }

/*    董事长致辞*/
    .chairman .about-us-content .intro-image{
        width: 100%;
    }
    .chairman .about-us-content .intro-page{
        width: 100%;
    }

/*    企业文化*/
    .page-box .page-image{
        width: 100%;
        padding-left: 0;
        margin:  0 auto 15px;
    }
    .page-box p img:nth-child(1){
        margin-left: -2em;
    }
    .business-page p img:nth-child(1){
        margin-left: -2em;
    }

/*    企业荣誉*/
    .honor-list .choose .choose-item{
        margin-bottom: 10px;
    }
    .honor-list .choose .choose-item:not(:nth-child(3n+3)){
        margin-right: 10px;
    }
    .honors{
        display: block;
    }
    .btn_add{
        display: block;
        background-color: #5E88CA;
        font-size: 16px;
        line-height: 40px;
        color: #fff;
        text-align: center;
    }

/*    专业团队*/
    .team .page-box .page-image{
        width: 100%;
    }

/*    新闻中心*/
    .news-list{
        display: block;
    }
    .news-list .news-item{
        width: auto;
    }
    .news .news-item:not(:nth-child(4n+4)){
        margin-right: 0;
    }
    .news-item .news-info{
        background-color: #f5f5f5;
    }
    .news-image{
        height: auto;
    }

/*    媒体聚焦*/
    .newsList .news-item:not(:nth-child(3n+3)){
        margin-right: 0;
    }
    .newsList .news-info{
        padding: 10px 16px;
    }
    .newsList .news-time{
        font-size: 16px;
        line-height: 30px;
        margin-bottom: 8px;
    }
    .newsList .news-title{
        font-size: 18px;
        line-height: 24px;
        margin-bottom: 10px;
    }
    .newsList .news-abstract{
        font-size: 14px;
        margin-bottom: 12px;
    }

/*    新闻详情*/
    .detail-content p img{
        max-width: 100%;
    }
    .detail .detail-bottom {
        padding: 16px 8px;
        border-top: 1px dashed #999;
    }
    .btn_prev, .btn_back, .btn_next {
        width: 84px;
        height: 36px;
        font-size: 16px;
        line-height: 34px;
    }

/*    业务*/
    .about-us.business{
        padding: 0;
    }
    .business .example{
        /*background: #EDEFEE;*/
    }
    .business .box{
        padding: 18px 16px 30px;
    }
    .title-blue{
        font-size: 20px;
        line-height: 30px;
        padding-top: 24px;
        margin-bottom: 30px;
    }
    .zh-tit::before {
         left: calc(-100% - 35px);
         width: 80px;
         height: 6px;
     }
    .zh-tit::after {
        right: calc(-100% - 35px);
        width: 80px;
        height: 6px;
    }

/*   典型案例 */
    .case-swiper{
        padding: 0;
    }
    .case-swiper .swiper-container{
        padding-bottom: 80px;
    }
    .case-swiper .swiper-slide{
        margin-bottom: 30px;
    }
    .case-swiper .example-image{
        max-height: none;
    }
    .case-swiper .example-title{
        font-size: 18px;
        line-height: 32px;
        height: 64px;
        margin-bottom: 8px;
    }
    .case-swiper .looking-more{
        font-size: 12px;
    }
    .case-swiper .swiper-button-prev{
        left: 30%;
        top: auto;
        bottom: 20px;
        width: 40px;
        height: 40px;
        color: #fff;
        background-color: #5E88CA;
        border-radius: 50%;
    }
    .case-swiper .swiper-button-next{
        right: 30%;
        top: auto;
        bottom: 20px;
        width: 40px;
        height: 40px;
        color: #fff;
        background-color: #5E88CA;
        border-radius: 50%;
    }
    .case-swiper .swiper-button-prev::after,.case-swiper .swiper-button-next::after{
        width: auto;
        height: auto;
        font-size: 20px;
        background: none;
    }
    .case-swiper .swiper-button-prev::after{
        content: 'prev';
    }
    .case-swiper .swiper-button-next::after{
        content: 'next';
    }

/*    工程案例*/
    .technology-item{
        display: block;
    }
    .technology-item .tech-image,.technology-item .tech-intro{
        width: 100%;
    }
    .technology-item .tech-intro{
        padding: 12px 16px 16px;
        background-color: #f5f5f5;
    }
    .tech-intro .tech-name{
        font-size: 18px;
        line-height: 30px;
        margin-bottom: 12px;
    }
    .tech-intro .tech-info{
        font-size: 14px;
        line-height: 28px;
        height: auto;
        margin-bottom: 30px;
    }
    .tech-intro .looking-more {
        position: relative;
         bottom: auto;
         left: auto;
         width: 150px;
         font-size: 12px;
         line-height: 40px;
     }
    .tech-intro>i{
        display: none;
    }

/*    招聘*/
    .job_row .row .hide {
        padding: 15px 4%;
    }

    .job_row .row:nth-child(1) .flex span {
        font-size: 16px;
    }

    .job_row .row:nth-child(1) .flex span:nth-child(2),
    .job_row .row:nth-child(1) .flex span:nth-child(3) {
        width: 33%;
        text-align: left;
    }

    .job_row .row .flex span {
        padding: 0 2%;
        font-size: 15px;
    }

    .job_row .row .flex span:nth-child(2) {
        width: 20%;
        text-align: center;
    }

    .job_row .row .flex span:nth-child(3) {
        width: 47%;
        text-align: center;
    }

    .job_row .row .flex .btn{
        right: 2%;
    }
    .job_row .row .flex .btn img {
        right: 2%;
        width: 18px;
        height: 18px;
    }
    .job_row .row .hide .tit{
        font-size: 16px;
        font-weight: bold;
    }
    .job_row .row .hide p {
        margin: 10px 0;
        font-size: 16px;
        line-height: 24px;
    }

    .job_row .row .hide p span{
        margin-right: 2em;
        font-size: 13px;
        line-height: 24px;
    }

    .job_row .row .hide p.green {
        margin-top: 20px;
    }

/*    联系方式*/
    .contact_bottom {
        width: 100%;
        height: auto;
        margin: 0;
        display: block;
    }
    .show_info {
        width: 100%;
        padding: 16px 12px;
        color: #fff;
        background-color: #5E88CA;
    }
    .info-cont .info-cont-icon{
         width: 36px;
         height: 36px;
     }
    .info-tit {
        font-size: 20px;
        line-height: 20px;
    }
    .ch-tit {
        padding-bottom: 8px;
        margin-right: 20px;
    }
    .show_info .info-cont {
         margin-top: 18px;
         margin-bottom: 6px;
     }
    .info-title {
        font-size: 16px;
        line-height: 24px;
    }
    .info-title span{
        font-size: 12px;
        line-height: 24px;
    }
    .info-item {
        font-size: 14px;
        line-height: 24px;
    }
    #show_map{
        width: 100%;
        height: 320px;
    }

    /*    留言*/
    #msg_post .flex {
        margin-top: 20px;
    }

    #msg_post .flex .ipt_wrap {
        width: 100%;
        padding: 0;
        margin-bottom: 20px;
    }

    #msg_post .flex .ipt_wrap span{
        width: 36px;
        font-size: 16px;
        line-height: 30px;
    }

    #msg_post .flex .ipt_wrap input{
        width: calc(100% - 48px);
        height: 30px;
        font-size: 16px;
        line-height: 30px;
    }
    #msg_post .flex .ipt_wrap textarea{
        width: calc(100% - 48px);
        height: 164px;
        font-size: 16px;
        line-height: 30px;
    }

    #msg_post .flex .ipt_wrap:nth-child(2) {
        padding: 0;
    }

    #msg_post .flex .ipt_wrap.ipt_wrap_sp {
        width: 100%;
    }

    #msg_post .submit {
        width: 100%;
        height: 44px;
        line-height: 44px;
        font-size: 16px;
        border-radius: 20px;
        margin-left: 0;
    }

    .pc_show{
        display: none;
    }
    .mob_show{
        display: block;
    }
    .pagination{
        display: none;
    }
}

@media(max-width:768px){

    .mt70{
        margin-top: 35px;
    }

    .mb70{
        margin-bottom: 35px;
    }

}

@media(max-width:600px){
}