@media screen and (max-width: 768px) {
    .pc-header{
        display: none;
    }
    .m-header{
        display: block;
        width: 100%;
        height: 66px;
        background-color: #000;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 99;
    }
    .m-header .top{
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 10px;
        height: 100%;
        position: relative;
        z-index: 100;
    }
    .m-header .top .left{
        display: flex;
        align-items: center;
        height: 100%;
        padding: 8px 0;
        box-sizing: border-box;
    }
    .m-header .top .left img{
        height: 100%;
    }
    .m-header .top .right{
        display: flex;
        align-content: center;
        height: 100%;
        justify-content: flex-end;
        flex-wrap: wrap;
        width: 24px;
    }
    .m-header .top .right span{
        display: inline-block;
        width: 100%;
        height: 2px;
        border-radius: 4px;
        background-color: #fff;
        margin: 3px auto;
        position: relative;
        transition: 0.3s;
    }
    .m-header.active .top .right span:nth-child(1){
        transform: rotate(45deg);
        top: 4px;
    }
    .m-header.active .top .right span:nth-child(2){
        transform: rotate(-45deg);
        top: -4px;
    }
    .m-header.active .top .right span:nth-child(3){
        display: none;
    }

    .m-header .menu{
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        height: 0;
        z-index: 98;
        background-color: #000;
        overflow: hidden;
        transition: 0.3s;
    }
    .m-header .menu .list{
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3,1fr);
        gap: 20px;
        padding: 100px 20px;
        box-sizing: border-box;
    }
    .m-header .menu .list a{
        display: flex;
        width: 100%;
        height: 100px;
        border-radius: 4px;
        background-color: #0a1e2c;
        justify-content: center;
        align-items: center;
        color: #fff;
        font-size: 20px;

    }
    .m-header .menu .list a.on{
        color: #0187f4;
        font-weight: bold;
    }
    .m-header .menu .tel{
        width: 80%;
        position: absolute;
        bottom: 30px;
        left: 50%;
        transform: translateX(-50%);
        height: 60px;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 40px;
        background-color: #092942;
        color: #fff;
        font-size: 28px;
        font-family: fantasy;
        letter-spacing: 2px;
    }
    .m-header .menu .tel img{
        width: 28px;
        margin-right: 10px;
    }
    .m-header.active .menu{
        height: 100vh;
    }
    .banner{
        height: 30vh;
    }
    .Ih-content-main{
        padding: 0;
    }
    .Ih-content-main .about{
        padding: 20px;
    }
    .Ih-content-main .about .top .title{
        font-size: 20px;
    }
    .Ih-content-main .about .top .title .icon{
        width: 6px;
    }
    .Ih-content-main .about .top .desc{
        font-size: 14px;
        padding-left: 10px;
        margin-top: 6px;
    }
    .Ih-content-main .about .content .left{
        width: 100%;
        height: 250px;
    }
    .Ih-content-main .about .content .right .data .item .t1{
        font-size: 70px;
        justify-content: center;
    }
    .Ih-content-main .about .content .right .data .item .t2{
        font-size: 14px;
        text-align: center;
        margin-top: 10px;
    }
    .Ih-content-main .about .content .right{
        height: auto;
        padding: 20px 0;
        margin-left: 0;

    }
    .Ih-content-main .about .content .right .data{
        display: grid;
        grid-template-columns: repeat(2,1fr);
        gap: 20px;
    }
    .Ih-content-main .about .content .right .data .item{
        width: 100%;
    }
    .Ih-content-main .about .content .right .text{
        font-size: 16px;
        line-height: 1.3;
        text-indent: 28px;
    }
    .Ih-content-main .about .content .project{
        display: grid;
        grid-template-columns: repeat(2,1fr);
        gap: 20px;
        margin-top: 20px;
    }
    .Ih-content-main .about .content .project .item{
        width: 100%;
        height: 180px;
    }
    .Ih-content-main .about .content .project .item .icon img{
        width: 80px;
    }
    .Ih-content-main .about .content .project .item .t1{
        font-size: 18px;
    }
    .Ih-content-main .about .content .project .item .t2{
        font-size: 12px;
        line-height: 1.3;
    }
    .Ih-content-main .case{
        padding: 20px;
    }
    .Ih-content-main .case .top .title{
        font-size: 20px;
    }
    .Ih-content-main .case .top .title .icon{
        width: 6px;
    }
    .Ih-content-main .case .top .desc{
        font-size: 14px;
        padding-left: 10px;
        margin-top: 6px;
    }
    .Ih-content-main .case .list .item{
        width: 100%;
        height: 400px;
        margin-bottom: 16px;
    }
    .Ih-content-main .case .list .item .pic{
        height: 350px;
    }
    .Ih-content-main .case .list .item .t1{
        font-size: 18px;
    }
    .Ih-content-main .case .list .item .t2{
        font-size: 14px;
        line-height: 1.3;
    }
    .Ih-content-main .case .more{
        margin-top: 40px;
    }
    .Ih-content-main .case .more a{
        width: 150px;
        height: 40px;
        border-radius: 40px;
        font-size: 18px;
    }
    .Ih-content-main .news{
        padding: 20px;
    }
    .Ih-content-main .news .top .title{
        font-size: 20px;
        margin-bottom: 10px;
    }
    .Ih-content-main .news .top .title .icon{
        width: 6px;
    }
    .Ih-content-main .news .top .desc{
        font-size: 14px;
        padding-left: 10px;
    }
    .Ih-content-main .news .list{
        grid-template-columns: repeat(1,1fr);
    }
    .Ih-content-main .news .list .item{
        height: 260px;
        border-radius: 10px;
        padding: 18px 30px;
    }
    .Ih-content-main .news .list .item .date{
        font-size: 16px;
    }
    .Ih-content-main .news .list .item .t1{
        font-size: 20px;
        line-height: 1.3;
    }
    .Ih-content-main .news .list .item .t2{
        font-size: 14px;
        line-height: 1.3;
    }
    .Ih-content-main .news .list .item .more{
        font-size: 14px;
    }
    .Ih-content-main .news .more{
        margin-top: 40px;
    }
    .Ih-content-main .news .more a{
        width: 150px;
        height: 40px;
        border-radius: 40px;
        font-size: 18px;
    }

    .Ih-content-main .cooperation{
        padding: 20px;
    }
    .Ih-content-main .cooperation .top .title{
        font-size: 20px;
    }
    .Ih-content-main .cooperation .top .title .icon{
        width: 6px;
    }
    .Ih-content-main .cooperation .top .desc{
        font-size: 14px;
        padding-left: 10px;
        margin-top: 6px;
    }
    .Ih-content-main .cooperation .cont .more a{
        width: 200px;
        height: 30px;
        font-size: 14px;
        border-radius: 40px;

    }
    .foot_content{
        padding: 20px;
    }
    .foot_content .link{
        flex-wrap: wrap;
        padding: 20px 0;
    }
    .foot_content .link .left{
        width: 100%;
        font-size: 30px;
        text-align: center;
        line-height: 1.3;
        padding: 0 20px;
        box-sizing: border-box;
    }
    .foot_content .link .right{
        width: 100%;
        margin-top: 20px;
    }
    .foot_content .link .right a{
        width: 100px;
        font-size: 14px;
        height: 30px;
        border-radius: 30px;
        margin-left: 10px;
    }
    .foot_content .footer{
        padding: 0;
    }
    .foot_content .footer .left{
        width: 100%;
        flex: none;
    }
    .foot_content .footer .left .t1{
        font-size: 18px;
        margin-bottom: 18px;
    }
    .foot_content .footer .left .t2{
        font-size: 14px;
        margin-bottom: 20px;
    }
    .foot_content .footer .left .t2 img{
        width: 20px;
    }
    .foot_content .footer .center{
        display: none;
    }
    .foot_content .footer .right{
        width: 100%;
        margin-left: 0;
    }
    .foot_content .footer .right .item{
        width: 48%;
        height: 180px;

    }
    /*.foot_content .footer .right .item img{*/
    /*    width: 100%;*/
    /*    height: 100%;*/
    /*}*/
    .foot_content .footer .right .item .cont{
        padding: 18px;
    }
    .foot_content .footer .right .item .cont .t1{
        width: 100%;
        font-size: 18px;
    }
    .foot_content .footer .right .item .cont .t2{
        width: 100%;
        font-size: 14px;
    }
    .foot_content .footer .right .item .cont .code{
        width: 50%;
    }
    .foot_content .footer .copyright{
        font-size: 14px;
    }

    .case_main{
        padding: 100px 20px 20px;
    }
    .case_main .top_menu{
        height: auto;
        position: sticky;
        display: block;
        z-index: 20;
    }
    .case_main .top_menu .item{
        display: inline-block;
        width: auto;
        height: auto;
        padding: 4px 20px;
        border-radius: 20px;
        font-size: 16px;
        margin-right: 10px;
        margin-bottom: 12px;
    }
    .case_main .case_card .left{
        font-size: 80px;
    }
    .case_main .case_card .right{
        width: 100%;
    }
    .case_main .case_card .right .t1{
        font-size: 22px;
    }

    .case_main .case_card .right .t2{
        font-size: 14px;
    }
    .case_main .case_list{
        grid-template-columns: repeat(1,1fr);
        padding: 0;
    }
    .case_main .case_list .item{
        height: 350px;
        border-radius: 20px;
    }
    .case_main .case_list .item .txt{
        padding: 20px 10px;
    }
    .case_main .case_list .item .txt .t1{
        font-size: 20px;
    }
    .case_main .case_list .item .txt .t2{
        font-size: 14px;
    }
    .news_main{
        padding: 70px 0;
    }
    .news_main .news_banner .txt{
        padding: 20px;
    }
    .news_main .news_banner .txt h1{
        font-size: 20px;
    }
    .news_main .news_banner .txt p{
        font-size: 14px;
    }
    .news_main .news_list{
        grid-template-columns: repeat(1,1fr);
        padding: 50px 20px;
    }
    .news_main .news_list .item{
        height: 260px;
        padding: 20px;
    }
    .news_main .news_list .item .date{
        font-size: 16px;
    }
    .news_main .news_list .item .t1{
        font-size: 20px;
        line-height: 1.3;
    }
    .news_main .news_list .item .t2{
        font-size: 14px;
        line-height: 1.3;
    }
    .news_main .news_list .item .more{
        font-size: 14px;
    }
    .news_detail_main{
        padding: 100px 20px;
    }
    .news_detail_main .title{
        font-size: 18px;
        line-height: 1.3;
    }
    .news_detail_main .options{
        margin-top: 30px;
    }
    .news_detail_main .options span{
        font-size: 14px;
    }
    .news_detail_main .content{
        font-size: 16px;
        line-height: 1.5;
    }
    .case_detail_main .top_info .left{
        width: 110px;
    }
    .case_detail_main .top_info .left .card{
        width: 100px;
    }
    .case_detail_main .top_info .left .card .txt{
        font-size: 12px;
    }
    .case_detail_main .top_info .right .title .t1{
        font-size: 20px;
    }
    .case_detail_main .top_info .right .title .t2{
        font-size: 14px;
        display: block;
    }
    .case_detail_main .top_info .right .description{
        font-size: 14px;
        line-height: 1.5;
    }
    .case_detail_main .top_info .right .time .item{
        font-size: 12px;
    }
    .about_content{
        padding: 70px 0 0;
    }
    .about_banner .info{
        height: auto;
        padding: 20px 0;
        box-sizing: border-box;
    }
    .about_banner .info ul{
        width: 100%;
    }
    .about_banner .info .text_01{
        font-size: 28px;
    }
    .about_banner .info p{
        width: 30px;
    }
    .about_banner .info .text_02{
        font-size: 18px;
    }
    .about_banner .info .text_05{
        width: 100%;
        line-height: 1.3;
        font-size: 14px;
    }
    .about_banner .info .text_03{
        font-size: 18px;
        height: auto;
        margin-top: 20px;
    }
    .about_banner .tab{
        width: 150px;
        height: 30px;
        right: 16px;
        top: 20px;
    }
    .about_banner .tab ul{
        height: 100%;
        display: grid;
        grid-template-columns: repeat(3,1fr);
    }
    .about_banner .tab ul li{
        width: 100%;
        height: 100%;
        font-size: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .about_banner .bottom{
        margin-top: 20px;
        height: auto;
    }
    .about_banner .bottom .title{
        width: 100%;
        margin-bottom: 20px;
    }
    .about_banner .bottom .title p{
        text-align: center;
    }
    .about_banner .bottom .title p:nth-child(1){
        font-size: 16px;
    }
    .about_banner .bottom .title p:nth-child(2){
        font-size: 26px;
    }
    .about_banner .bottom .title p:nth-child(3){
        font-size: 18px;
    }
    .about_banner .bottom ul{
        width: 100%;
        margin-left: 0;
        display: grid;
        grid-template-columns: repeat(2,1fr);
        grid-gap: 20px;
        padding-bottom: 40px;
    }
    .about_banner .bottom ul li{
        width: 100%;
        margin-left: 0;
    }
    .about_banner .bottom ul li p:nth-child(1){
        font-size: 14px;
        text-align: center;
    }
    .about_banner .bottom ul li p:nth-child(2){
        font-size: 24px;
        text-align: center;
    }
    .about_banner .bottom ul li p:nth-child(2) span{
        font-size: 48px;
        text-align: center;
    }
    .about_banner .bottom ul li p:nth-child(3){
        font-size: 14px;
        text-align: center;
    }
    .about_part_01{
        width: 100%;
        flex-wrap: wrap;
        height: auto;
    }
    .about_part_01 .l{
        width: 100%;
    }
    .about_part_01 .r{
        flex: none;
        width: 100%;
        height: auto;
    }
    .about_part_01 .r ul{
        height: auto;
        display: grid;
        grid-template-columns: repeat(2,1fr);

    }
    .about_part_01 .r ul li{
        width: 100%;
        height: 180px;
    }
    .about_part_01 .r ul li a{
        display: flex;
        align-content: space-between;
        width: 100%;
        height: 100%;
        flex-wrap: wrap;
        padding: 10px;
        box-sizing: border-box;
        position: relative;
    }
    .about_part_01 .r ul li .text_01{
        height: auto;
        font-size: 20px;
        line-height: normal;
    }
    .about_part_01 .r ul li .text_02{
        font-size: 14px;
        line-height: 1.3;
        margin-top: 70px;
    }
    .about_part_01 .r ul li .img{
        bottom: 100px;
        width: 40px;
    }
    .about_part_01 .r ul li .img img{
        width: 100%;
    }
    .about_part_01 .r ul li .img img:nth-child(1){
        width: 100%;
    }
    .about_part_02{
        height: auto;
        padding-bottom: 50px;
        background-size: cover;
    }
    .about_part_02 .title{
        height: 140px;
    }
    .about_part_02 .title p:nth-child(2){
        font-size: 20px;
    }
    .about_part_02 .title p:nth-child(3){
        width: 30px;
        height: 2px;
    }
    .about_part_02 .title p:nth-child(4){
        font-size: 12px;
        margin-top: 14px;
    }
    .about_part_02 ul{
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(2,1fr);
        padding: 0 10px;
        box-sizing: border-box;
    }
    .about_part_02 ul li{
        width: 100%;
        height: 150px;
        border-bottom: 1px solid #e5e5e5;
    }
    .about_part_02 ul li img{
        width: 50px;
    }
    .about_part_02 ul li .text_01{
        font-size: 18px;
    }
    .about_part_02 ul li .text_04{
        font-size: 14px;
    }
    .about_part_03{
        height: auto;
        flex-wrap: wrap;
    }
    .about_part_03 .l{
        width: 100%;
        padding: 20px;
    }
    .about_part_03 .r{
        flex: none;
        width: 100%;
        margin-left: 0;
    }
    .about_part_03 .l .text_01{
        font-size: 20px;
    }
    .about_part_03 .l .text_04{
        font-size: 14px;
        line-height: 1.3;
        text-align: justify;
    }
    .about_part_04 .list,.about_part_04 .title,.about_part_06{
        display: none;
    }
    .about_part_04{
        height: auto;
    }
    .about_part_04 ul{
        grid-template-columns: repeat(3, 1fr);
    }
    .about_part_04 ul li{
        height: 70px;
        opacity: 1;
    }

}