* {
    margin:0;
    padding:0;
    list-style:none;
    text-decoration:none;
    box-sizing:border-box;
}
/*video::-webkit-media-controls-fullscreen-button {
    display: none;
}

video::-webkit-media-controls-play-button {
    display: none;
}

video::-webkit-media-controls-timeline {
    display: none;
}

video::-webkit-media-controls-current-time-display {
    display: none;
}

video::-webkit-media-controls-time-remaining-display {
    display: none;
}

video::-webkit-media-controls-mute-button {
    display: none;
}

video::-webkit-media-controls-toggle-closed-captions-button {
    display: none;
}

video::-webkit-media-controls-enclosure {
    display: none;
}

video::-webkit-media-controls-volume-slider {
    display: none;
}*/

.nav_layout {
    max-width:1700px;
    margin:0 auto;
    padding:0 20px;
}
.nei-banner {
    position:relative;
}
.nei-banner img ,
.img img {
    width:100%;
    display:block;
}
.banner_title {
    position:absolute;
    top:50%;
    left:0;
    transform:translateY(-50%);
    width:100%;
    text-align:center;
}
    .banner_title h3 {
        font-size: 48px;
        color: #fff;
        display: inline-block;
        padding-bottom:10px;
        border-bottom: 1px solid rgb(255, 156, 0);
    }

.yih {
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
.erh {
    overflow:hidden;
    text-overflow:ellipsis;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
}
header {
    border-bottom: 1px solid rgba(255, 255, 255,40%);
    position:absolute;
    top:0;
    left:0;
    width:100%;
    z-index:999;
}
.header_pack{
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.logo {
    height:100px;
    padding:25px 0;
}
.logo img {
    max-height:100%;
    display:block;
}
.logo a {
    display:block;
    height:100%;
}
.w_nav {
    display:flex;
}
.w_nav>li {
    padding:0 25px;
    position:relative;
}
    .w_nav > li > a {
        display: block;
        font-size: 18px;
        line-height: 24px;
        color: rgb(255, 255, 255);
    }
        .w_nav > li > a:hover,
        .w_nav > .active > a {
            color: rgb(255, 156, 0);
        }
        .header_search {
            width: 250px;
            display: flex;
            border: 1px solid #fff;
            border-radius: 30px;
        }
.header_search input {
    width:calc(100% - 50px);
    font-size:16px;
    line-height:36px;
    color:#fff;
    padding:0 26px;
    border-radius:30px 0 0 30px;
    background:transparent;
    border:none;
}
    .header_search input::-webkit-input-placeholder {
        color:#fff;
    }
.header_search i {
    display:block;
    font-size:20px;
    color:#fff;
    line-height:36px;
    width:50px;
    position:relative;
    border-radius:0 30px 30px 0;
    text-align:center;
    cursor:pointer;
}
    .header_search i::after {
        content: "";
        width: 1px;
        height: 16px;
        background: rgb(255, 255, 255);
        position:absolute;
        left:0;
        top:50%;
        transform:translateY(-50%);
    }
.public_title {
    position:relative;
}
    .public_title h3 {
        font-size: 72px;
        color: rgba(255, 156, 0,.1);
        font-weight:bold;
        text-align:center;
        line-height:105px;
        text-transform:capitalize;
    }
    .public_title h4 {
        position: absolute;
        bottom: 15px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 36px;
        line-height: 48px;
        color: rgb(0, 0, 0);
        font-weight:bold;
    }
.public_pack{
    padding:100px 0 120px;
}
.news_cont {
    margin-top:33.5px;
}
.news_classify {
    display: flex;
    justify-content: center;
}
    .news_classify li {
        padding: 0 10px;
    }
        .news_classify li a {
            border-radius: 20px;
            width: 160px;
            line-height: 43px;
            border-radius: 45px;
            text-align: center;
            border: 1px solid rgb(232, 232, 232);
            font-size: 16px;
            display: block;
            color: rgb(97, 98, 99);
        }
        .news_classify li .active {
            background: rgb(255, 156, 0);
            color: #fff;
        }
.news_list {
    margin-top:50px;
}
.news_list_cont {
    margin:0 -20px;
    display:flex;
    flex-wrap:wrap;
}
.news_list_cont li {
    width:50%;
    padding:0 20px;
    margin-bottom:40px;
}
    .news_list_cont li a {
        display: block;
        background: rgb(251, 251, 251);
        height:100%;
    }
.news_list_img{
    overflow:hidden;
}
.news_list_img img {
    transition:all .5s;
}
.news_list_conts {
    padding:20px;
}
    .news_list_conts h4 {
        font-size: 20px;
        line-height: 26px;
        color: rgb(0, 0, 0);
    }
    .news_list_conts span {
        font-size: 16px;
        line-height: 21px;
        color: rgb(98, 98, 98);
        margin-top:12px;
        display:block;
    }
.news_list_cont li a:hover img {
    transform:scale(1.1);
}
.news_list_cont li a:hover .news_list_conts {
    background: rgb(255, 156, 0);
}
.news_list_cont li a:hover .news_list_conts h4 {
    color:#fff;
}
    .news_list_cont li a:hover .news_list_conts span {
        color:#fff;
    }
.detail_pack {
    padding:80px 0;
}
.about_plate1{
    background:url(../images/aboutbg.png) no-repeat center center;
}
.about_plate1_cont{
    margin-top:33.5px;
    text-align:center;
}
    .about_plate1_cont h4 {
        font-size: 20px;
        line-height: 26px;
        font-weight: bold;
        color: rgb(97, 98, 99);
    }
    .about_plate1_cont div {
        font-size: 16px;
        line-height: 24px;
        color: rgb(97, 98, 99);
        margin-top:47px;
    }
.about_plate1_list {
    display: flex;
    border-bottom: 1px solid rgb(232, 232, 232);
    max-width:1200px;
    padding:0 10px;
    margin:60px auto 0;
    justify-content:space-between;
    padding-bottom:48.5px;
}
    .about_plate1_list li h3 {
        font-size: 60px;
        line-height: 87px;
        color: rgb(255, 156, 0);
    }
    .about_plate1_list li p {
        font-size: 16px;
        line-height: 21px;
        color: rgb(97, 98, 99);
        margin-top:4px;
    }
.about_plate2 {
    padding: 81px 0 120px;
    background: rgb(246, 249, 252);
}
.about_layout {
    max-width:1600px;
    margin:0 auto;
    padding:0 20px;
}
.about_list{
    display:flex;
    margin-top:43.5px;
}
.about_list li{
    width:15%;
    position:relative;
    transition:all .3s;
}
    .about_list li.active {
        width:40%;
    }
.about_list_img {
    height:550px;
}
.about_list_img img {
    height: 100%;
    object-fit: cover;
}
.about_list_cont {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: transparent;
    padding:47.5px 30px;
}
.about_list li.active .about_list_cont {
    background: rgba(255, 156, 0,.7);
}
.about_list_cont h3 {
    font-size: 28px;
    line-height: 37px;
    color: rgb(255, 255, 255);
    font-weight:bold;
}
.about_list_cont p {
    font-size:16px;
    line-height:21px;
    color:#fff;
    margin-top:20px;
    height:300px;
    overflow:auto;
    display:none;
}
.about_list_cont p::-webkit-scrollbar {
    width:2px;
}
.about_list li.active .about_list_cont p {
    display:block;
}
.layout1200 {
    max-width:1200px;
    margin:0 auto;
    padding:0 10px;
}
.vision_cont{
    margin-top:41px;
}
    .vision_cont span {
        display: block;
        text-align: center;
        font-size: 24px;
        line-height: 32px;
        color: rgb(97, 98, 99);
    }
    .vision_cont div {
        font-size: 36px;
        line-height: 54px;
        text-align: center;
        margin-top: 91px;
        color: rgb(0, 0, 0);
    }
.vision_img img {
    max-width:100%;
    display:block;
    margin:186px auto 0;
}
.vision_img {
    position: relative;
}
    .vision_img::after {
        content: "";
        width: 1px;
        height: 90px;
        background: rgb(171, 172, 173);
        position:absolute;
        top:-140px;
        left:50%;
        transform:translateX(-50%);
    }
.contactus {
    margin-top:33.5px;
}
    .contactus > p {
        font-size: 16px;
        line-height: 21px;
        color: rgb(97, 98, 99);
        text-align:center;
    }
.contactus_pack {
    display:flex;
    margin-top:47px;
    align-items:center;
}
.contactus_left {
    width: calc(100% - 882px);
    padding-right:50px;
}
    .contactus_left h3 {
        font-size: 48px;
        line-height: 63px;
        color: rgb(0, 0, 0);
    }
.contactus_list {
    margin-top:77px;
}
.contactus_list li {
    margin-bottom: 47px;
    display: flex;
    align-items: flex-start;
}
.contactus_list_icon {
    width:20px;
}
.contactus_list_icon img {
    max-width:100%;
    display:block;
}
.contactus_list_cont {
    width:calc(100% - 20px);
    padding-left:15px;
}
    .contactus_list_cont h4 {
        font-size: 18px;
        line-height: 24px;
        color: rgb(171, 172, 173);
    }
    .contactus_list_cont p {
        font-size: 18px;
        line-height: 24px;
        color: rgb(0, 0, 0);
        margin-top:8px;
    }
.contactus_code h4 {
    font-size: 18px;
    line-height: 24px;
    color: rgb(0, 0, 0);
}
.contactus_code_list{
    margin-top:20px;
    display:flex;
}
.contactus_code_list img {
    width:113px;
    display:block;
    margin-right:20px;
}
.map {
    width:882px;
}
.map * {
    width:100%;
    height:680px !important;
}
.contactus_plate2{
    padding:228px 0 233px;
    background:url(../images/cbg.png) no-repeat center/cover;
}
.contactus_plate2_cont {
    text-align:center;
}
.contactus_plate2_cont h3 {
    font-size:48px;
    line-height:63px;
    color:#fff;
}
    .contactus_plate2_cont p {
        font-size: 28px;
        margin-top: 29px;
        color: rgb(255, 255, 255);
    }
.contactus_plate2_code {
    width:180px;
    margin:29px auto 0;
}
.join_desc {
    margin-top: 50px;
    font-size: 16px;
    line-height: 35px;
    color: rgb(98, 98, 98);
    text-align:center;
}
    .join_desc span {
        color: rgb(255, 156, 0);
        text-decoration:underline;
    }
.join_pack {
    display:flex;
    justify-content:space-between;
    margin-top:31.5px;
}
    .join_pack > div {
        width: calc(50% - 10px);
        background: rgb(246, 249, 252);
        padding:20px 20px 38px;
    }
.join_cont_pack{
    padding:67px 50px 73px;
    background:#fff;
}
    .join_cont_pack h3 {
        font-size: 24px;
        line-height: 32px;
        color: rgb(0, 0, 0);
    }
.join_cont_desc {
    font-size: 16px;
    line-height: 32px;
    color: rgb(97, 98, 99);
    margin-top:29px;
}
.join_submit {
    margin-top: 39px;
    width: 180px;
    line-height: 45px;
    border-radius: 45px;
    background: rgb(255, 156, 0);
    text-align:center;
    font-size:16px;
    color:#fff;
    cursor:pointer;
    display:block;
    position:relative;
}
    .join_submit input {
        position:absolute;
        width:100%;
        height:100%;
        top:0;
        left:0;
        opacity:0;
    }
    .join_text {
        text-align: center;
        font-size: 24px;
        line-height: 32px;
        color: rgb(0, 0, 0);
        margin-top: 27px;
    }
.case_pack{
    position:relative;
}
.case_classify1 {
    display: flex;
    left:50%;
    transform:translateX(-50%);
    top: -32px;
    position: absolute;
    z-index: 22;
}
    .case_classify1 li a {
        width: 240px;
        border: 1px solid rgb(220, 222, 224);
        font-size: 18px;
        line-height: 62px;
        text-align: center;
        color: rgb(0, 0, 0);
        display: block;
        background:#fff;
    }
        .case_classify1 li a:hover,
        .case_classify1 li .active {
            background: rgb(255, 156, 0);
            color: #fff;
            border-color: rgb(255, 156, 0);
        }
.case_classify2{
    display:flex;
    justify-content:center;
    margin-top:33.5px;
}
.case_classify2 li {
    padding:0 10px;

}
    .case_classify2 li a {
        width: 160px;
        line-height: 43px;
        border-radius: 50px;
        text-align: center;
        font-size: 16px;
        color: rgb(97, 98, 99);
        border: 1px solid rgb(232, 232, 232);
        display:block;
    }
    .case_classify2 li a:hover {
        color:rgb(255, 156, 0);
        border-color:rgb(255, 156, 0);
    }
    .case_classify2 li .active {
        border-color:rgb(255, 156, 0) ;
        color:#fff !important;
        background:rgb(255, 156, 0);
    }
.case_list ul{
    display:flex;
    flex-wrap:wrap;
    margin:60px -12.5px 0;
}
.case_list li {
    width:33.333%;
    padding:0 12.5px;
    margin-bottom:25px;
}
    .case_list li a {
        display:block;
    }
.case_list_cont_img {
    overflow:hidden;
}
.case_list_cont_img img {
    transition:all .5s;
}
.case_list_cont_text{
    padding:30px 0 0 ;
}
    .case_list_cont_text h4 {
        font-size: 18px;
        line-height: 24px;
        color: rgb(0, 0, 0);
        font-weight:bold;
        height:48px;
    }
    .case_list_cont_text p {
        font-size: 16px;
        line-height: 24px;
        margin-top: 16px;
        -webkit-line-clamp: 3;
        color: rgb(97, 98, 99);
    }
.case_list li a:hover img {
    transform:scale(1.1);
}
.casedetail_plate1 h3 {
    font-size: 36px;
    line-height: 48px;
    color: rgb(0, 0, 0);
    text-align:center;
}
.casedetail_plate1_pack{
    display:flex;
    align-items:flex-end;
    margin-top:50px;
}
.casedetail_plate1_cont {
    width: 600px;
    padding: 95px 130px 95px 70px;
    background: rgb(246, 249, 252);
    margin-bottom:-70px;
}
.casedetail_plate1_cont h4 {
    font-size:36px;
    line-height:48px;
    font-weight:bold;
}
    .casedetail_plate1_cont h4::after {
        content:"";
        width:40px;
        height:3px;
        background:rgb(255, 156, 0);
        display:block;
        margin-top:29px;
    }
    .casedetail_plate1_cont div {
        font-size: 16px;
        line-height: 24px;
        color: rgb(97, 98, 99);
        margin-top:30px;
        height:216px;
        overflow:auto;
    }
    .casedetail_plate1_cont div::-webkit-scrollbar {
        width:2px;
    }
.casedetail_plate1_img {
    width:calc(100% - 600px);
}
.casedetail_plate1_img img {
    width:calc(100% + 60px);
    margin-left:-60px;
}
.casedetail_plate2{
    padding-top:166px;
}
.case_title {
    text-align:center;
}
.case_title h3 {
    font-size:36px;
    line-height:48px;
    color:#000;
    font-weight:bold;
}
    .case_title p {
        font-size: 16px;
        line-height: 21px;
        color: rgb(97, 98, 99);
        margin-top:29px;
    }
.casedetail_plate2_img{
    margin-top:47px;
}
.casedetail_plate3 {
    padding-top:96px;
}
.casedetail_plate3_list{
    margin:59px -20px -40px;
    display:flex;
    flex-wrap:wrap;
}
.casedetail_plate3_list li {
    width:50%;
    padding:0 20px;
    margin-bottom:40px;
}
.casedetail_plate3_list_pack {
    position:relative;
    cursor:pointer;
}
.casedetail_plate3_list_cont  {
    position:absolute;
    top:0;
    left:0;
    width:330px;
    height:100%;
    background:rgba(0,0,0,.7);
    padding:0 50px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    color:#fff;
    z-index:5;
}
.casedetail_plate3_list_cont h4 {
    font-size:18px;
    line-height:24px;
    font-weight:bold;
}
.casedetail_plate3_list_cont p {
    font-size:16px;
    line-height:24px;
    margin-top:16px;
}
.casedetail_plate3_list li:hover .casedetail_plate3_list_cont {
    background: rgba(255, 156, 0,.8);
}
.casedetail2_plate1_pack {
    margin-top:50px;
    position:relative;
}
.casedetail2_plate1_pack video {
    width:100%;
    height:820px !important;
    object-fit:cover;
}
.casedetail2_plate1_pack i {
    position:absolute;
    width:90px;
    height:90px;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    background:url(../images/stop.png) no-repeat center/100% 100%;
    cursor:pointer;
}
.casedetail2_plate2_pack{
    padding-top:118px;
}
.casedetail2_plate2_pack h3 {
    font-size: 28px;
    line-height: 37px;
    color: rgb(0, 0, 0);
    font-weight: bold;
}
.casedetail2_plate2_list{
    display:flex;
    margin:50px -15px 0;
}
.casedetail2_plate2_list li {
    width:25%;
    padding:0 15px;
}
.casedetail2_plate2_desc {
    margin-top: 40px;
    font-size: 16px;
    line-height: 24px;
    color: rgb(97, 98, 99);
}
.casedetail2_plate3_pack{
    padding-top:93px;
}
.casedetail2_plate3_cont {
    position:relative;
}
.casedetail2_plate3_cont img{
    width:100%;
    display:block;
}
.casedetail2_plate3_text {
    position:absolute;
    max-width:530px;
    height:100%;
    padding:80px 0;
    top:0;
    left:110px;
    color:#fff;
}
.casedetail2_plate3_text h3 {
    font-size:48px;
    font-weight:bold;
    line-height:63px;
}
    .casedetail2_plate3_text div {
        font-size: 20px;
        line-height: 36px;
        color: rgb(255, 255, 255);
        max-height:80%;
        overflow:auto;
        margin-top:44px;
    }
    .casedetail2_plate3_text div::-webkit-scrollbar {
        width:2px;
    }
.casedetail_cont_list>li {
    display:none;
}
.business_classify li a {
    width:600px;
}
.business_classify2 li a {
    width:180px;
}
.business_plate1 {
    margin-top:60px;
}
    .business_plate1 h4 {
        font-size: 16px;
        line-height: 24px;
        color: rgb(97, 98, 99);
        text-align:center;
    }
.business_plate1_list {
    margin-top:47px;
}
.business_plate1_list li {
    margin-bottom: 110px;
}
    .business_plate1_list li:nth-child(2n) .business_plate1_list_pack {
        padding:0 0 0 380px;
        flex-direction:row-reverse;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_cont {
        padding:0 350px 0 0;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_img img {
        transform:translateX(-320px);
    }
    .business_plate1_list_pack {
        display: flex;
        padding-right: 380px;
        align-items: flex-end;
        overflow:hidden;
    }
.business_plate1_list_cont {
    width: 807px;
    border: 1px solid rgb(246, 249, 252);
    padding-left:350px;
    position:relative;
}
    .business_plate1_list_cont h3 {
        font-size: 64px;
        line-height: 84px;
        color: rgb(0, 0, 0);
        font-weight:bold;
    }
        .business_plate1_list_cont h3::after {
            content:"";
            width:75px;
            height:5px;
            background:rgb(255, 156, 0);
            margin-top:24px;
            display:block;
        }
        .business_plate1_list_cont div {
            font-size: 16px;
            line-height: 24px;
            color: rgb(97, 98, 99);
            margin-top: 20px;
            height:410px;
            overflow:auto;
        }
            .business_plate1_list_cont div::-webkit-scrollbar {
                width:3px;
            }
            .business_plate1_list_img {
                width: calc(100% - 807px);
                position:relative;
                z-index:2;
                padding-bottom:50px;
            }
.business_plate1_list_img img {
    min-width:calc(100% + 320px);
    transform:translateX(0);
    display:block;
}
.business_plate1_list_cont span {
    font-size: 160px;
    line-height: 160px;
    position: absolute;
    bottom: -50px;
    right: 0;
    z-index: -1;
    color: rgba(255, 156, 0,.15);
}
.business_plate1_list li:nth-child(2n) .business_plate1_list_cont span {
    right:350px;
}
.business_pack{
    padding-bottom:20px;
}
.business_plate2{
    position:relative;
}
.business_plate2swiper {
    overflow:hidden;
}
.business_plate2swiper .swiper-slide img {
    width: 100%;
    height:900px;
    object-fit:cover;
    display: block;
}
.business_plate2swiper_cont {
    position:absolute;
    top:220px;
    left:260px;
    width:500px;
    color:#fff;
}
.business_plate2swiper_cont h4 {
    font-size:36px;
    line-height:48px;
    font-weight:bold;
}
.business_plate2swiper_cont div {
    font-size:16px;
    line-height:24px;
    margin-top:25px;
    height:168px;
    overflow:auto;
}
    .business_plate2swiper_cont p::-webkit-scrollbar {
        width:3px;
    }
.business_plate2swiper2 {
    position:absolute;
    bottom:80px;
    right:0;
    width:60%;
    overflow:hidden;
}
    .business_plate2swiper2 img {
        width: 100%;
        height: 90px;
        object-fit: cover;
        display: block;
        border: 2px solid rgba(255, 255, 255, 0.5);
    }
    .business_plate2swiper2 .active img {
        border-color:#fff;
    }
.business2_plate1 {
    margin-top:47px;
}
.business2_plate2{
    padding-top:150px;
}
.business2_plate2_pack{
    display:flex;
    align-items:center;
}
.business2_plate2_left{
    width:393px;
    padding-right:73px;
}
.business2_plate2_left h3 {
    font-size:36px;
    line-height:48px;
    color:#000;
    font-weight:bold;
}
    .business2_plate2_left h3::after {
        content: "";
        width: 40px;
        height: 3px;
        background: rgb(255, 156, 0);
        display:block;
        margin-top:29px;
    }
.business2_plate2_left div {
    height:200px;
    overflow:auto;
    font-size:16px;
    line-height:24px;
    margin-top:30px;
}
    .business2_plate2_left div::-webkit-scrollbar {
        width:3px;
    }
.business2_plate2_swiper{
     width:calc(100% - 393px);
     overflow:hidden;
}
.business3_plate1_desc {
    margin-top: 60px;
    text-align: center;
    font-size: 28px;
    color: rgb(0, 0, 0);
}
.business3_plate1_img {
    margin-top:56px;
    height:692px;
    min-width:1560px;
    position:relative;
}
.business3_plate1_img_list {
    overflow: auto;
}
.business3_plate1_img div {
    border: 28px solid rgba(255, 156, 0,.15);
    position: absolute;
    border-radius: 50%;
}
        .business3_plate1_img div:first-child {
            width:405px;
            height:405px;
            bottom:87px;
            left:0;
        }
        .business3_plate1_img div:nth-child(2) {
            width:405px;
            height:405px;
            top:0;
            left:389px;
        }
        .business3_plate1_img div:nth-child(3) {
            width: 343px;
            height: 343px;
            bottom: 47px;
            right: 511px;
        }
        .business3_plate1_img div:last-child {
            width:491px;
            height:491px;
            bottom:0;
            right:0;
        }
        .business3_plate1_img div img {
            width: 100%;
            display: block;
        }
        .business4_plate1 {
            margin-top: 43.5px;
        }
.business4_plate1_desc {
    font-size: 36px;
    text-align: center;
    line-height: 54px;
    color: rgb(0, 0, 0);
}
.business4_plate1_img {
    margin-top:30px;
}
.project_plate1 {
    padding-top:101px;
}
.project_plate1_list {
    margin-top:43.5px;
    display:flex;
    background:url(../images/p1.png) no-repeat center/cover;
    height:920px;
}
.project_plate1_list li {
    width:25%;
    border-left:1px solid rgba(255,255,255,.4);
    cursor:pointer;
}
.project_plate1_list_pack:hover {
    background: rgba(0, 0, 0,.6);
    color:#fff; 
}
.project_plate1_list_pack {
    background: rgba(0, 0, 0,.4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 20px;
    height: 100%;
    color: rgba(255,255,255,.4);
}
.project_plate1_list_pack h4 {
    font-size:32px;
    line-height:42px;
    text-align:center;
}
    .project_plate1_list_pack p {
        font-size: 16px;
        line-height: 21px;
        text-align: center;
    }
.project_plate2{
    padding-top:101px;
}
.project_plate2_pack {
    position:relative;
    margin-top:43.5px;
}
.project_plate2_pack img {
    width:100%;
    display:block;
}
.project_plate2_desc {
    width: 430px;
    padding-left:110px;
    height: 200px;
    overflow: auto;
    font-size: 16px;
    line-height: 28px;
    color: rgb(255, 255, 255);
    position:absolute;
    top:50%;
    left:0;
    transform:translateY(-50%);
}
    .project_plate2_desc::-webkit-scrollbar,
    .project_plate3_text div::-webkit-scrollbar{
        width: 3px;
    }
.project_plate3 {
    padding: 166px 20% 0;
}
.project_plate3_pack {
    display:flex;
    justify-content:space-between;
}
.project_plate3_cont{
    width:calc(50% - 30px);
    position:relative;
}
    .project_plate3_cont:last-child {
        margin-top:-46px;
    }
    .project_plate3_cont img {
        width: 100%;
        display: block;
    }
.project_plate3_text {
    position: absolute;
    left: 0;
    top: 0;
    height: 50%;
    background: linear-gradient(to bottom,rgb(0, 0, 0),rgba(0, 0, 0, 0));
    padding:0 65px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    width:100%;
}
    .project_plate3_text h3 {
        font-size: 32px;
        line-height: 42px;
        color: rgb(255, 255, 255);
        font-weight:bold;
    }
.project_plate3_text div {
    margin-top:29px;
    font-size:16px;
    line-height:24px;
    color:#fff;
    height:100px;
    overflow:auto;
}
    .project_plate3_text div p {
        padding-left:10px;
        position:relative;
    }
    .project_plate3_text div p::before {
        content:"";
        width:5px;
        height:5px;
        border-radius:50%;
        background:#fff;
        position:absolute;
        left:0;
        top:50%;
        transform:translateY(-50%);
    }
.project_pack {
    padding-bottom:150px;
}
footer {
    background: rgb(48, 48, 48);
}
.footer_pack{
    display:flex;
    align-items:center;
    padding:50px 0 47px;
}
.footer_code{
    display:flex;
    justify-content:space-between;
    width:246px;
}
.footer_code img {
    width:110px;
    display:block;
}
.footer_nav_list {
    width:calc(100% - 246px);
    padding-right:22px;
    display:flex;
    justify-content:space-between;
}
.footer_nav {
    max-width:20%;
}
    .footer_nav:last-child {
        max-width:35%;
    }
    .footer_nav h4 {
        font-size: 20px;
        line-height: 26px;
        color: rgb(255, 255, 255);
        font-weight: bold;
        margin-bottom: 17px;
    }
    .footer_nav a {
        display: block;
        font-size: 16px;
        line-height: 24px;
        color: rgb(181, 181, 181);
    }
    .footer_nav a:hover {
        color:#fff;
    }
    .footer_nav p {
        font-size: 16px;
        line-height: 28px;
        color: rgb(181, 181, 181);
        display:flex;
        align-items:flex-start;
    }
    .footer_nav p img {
        max-width:13.5px;
        display:block;
        margin-top:7px;
    }
    .footer_nav p span {
        width:calc(100% - 13.5px);
        padding-left:7px;
    }
.copyright {
    border-top: 1px solid rgba(255, 255, 255,.15);
    padding: 28px 0 45px;
    text-align: center;
    font-size: 18px;
    line-height: 24px;
    color: rgb(181, 181, 181);
}
    .copyright a {
        color: rgb(181, 181, 181);
    }
.er_nav {
    min-width:100%;
    padding:10px 25px;
    background:rgba(0,0,0,.5);
    position:absolute;
    top:110%;
    left:0;
    border-radius:5px;
    display:none;
}
.er_nav li a {
    display:block;
    font-size:16px;
    line-height:40px;
    color:rgba(255,255,255,.8);
    white-space:nowrap;
}
    .er_nav li a:hover {
        color:#fff;
    }
.home_banner_swiper {
    overflow:hidden;
}
.home_banner_swiper a {
    display:block;
    position:relative;
}
.home_banner_title {
    position:absolute;
    top:50%;
    width:100%;
    left:0;
    transform:translateY(-50%);
    text-align:center;
}
    .home_banner_title h3 {
        font-size: 80px;
        line-height: 160px;
        color: rgb(255, 255, 255);
    }
.home_banner_title p {
    font-size:36px;
    line-height:52px;
    margin-top:26px;
    color:#fff;
}
.home_plate1_desc {
    text-align: center;
    margin-top: 39px;
    font-size: 16px;
    line-height: 24px;
    color: rgb(97, 98, 99);
}
.home_plate1_list {
    max-width:990px;
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    margin:47px auto 0;
}
.home_plate1_list li {
    width:33.3333%;
    padding:0 15px;
}
.home_plate1_list_pack {
    display:flex;
    flex-direction:column;
    justify-content:center;
    text-align:center;
    background:url(../images/x.png) no-repeat center/100% 100%;
    height:280px;
}
    .home_plate1_list_pack:hover {
        background-image :url(../images/x2.png);
    }
    .home_plate1_list_pack h4 {
        font-size: 20px;
        line-height: 26px;
        color: rgb(0, 0, 0);
        font-weight: bold;
    }
        .home_plate1_list_pack h4::after {
            content: "";
            width: 40px;
            height: 3px;
            background: rgb(255, 156, 0);
            margin:19px auto 0;
            display:block;
        }
        .home_plate1_list_pack p {
            font-size: 16px;
            line-height: 21px;
            color: rgb(97, 98, 99);
            margin-top:30px;
        }
.home_plate2 video {
    width:100%;
    height:860px !important;
    object-fit:cover;
}
.home_plate2  {
    position:relative;
}
.home_plate2_cont {
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
}
    .home_plate2_cont h3 {
        width: 660px;
        height: 180px;
        font-size:48px;
        line-height:63px;
        font-weight:bold;
        border: 10px solid rgba(255, 255, 255,.2);
        color:#fff;
        display:flex;
        align-items:center;
        justify-content:center;
    }
.home_plate2_cont i {
    width:72px;
    height:72px;
    display:block;
    background:url(../images/stop2.png) no-repeat center/100% 100%;
    margin:50px auto 0;
    display:block;
    cursor:pointer;
}
.home_plate3{
    padding:81px 0 75px;
}
.home_plate3_desc {
    font-size: 16px;
    line-height: 24px;
    text-align: center;
    color: rgb(97, 98, 99);
    margin-top:33.5px;
}
.home_plate3_list {
    display:flex;
    margin:57px -12.5px 0;
    flex-wrap:wrap;
}
.home_plate3_list li {
    width:20%;
    padding:0 12.5px;
    margin-bottom:25px;
}
.home_plate3_list li img {
    width:100%;
    display:block;
}
.home_plate4{
    padding-bottom:95px;
}
.home_plate4_list{
    margin:58px -12.5px 0;
    display:flex;
    flex-wrap:wrap;
}
.home_plate4_list li {
    width:33.333%;
    padding:0 12.5px;
    margin-bottom:25px;
}
.home_plate4_list_pack{
    position:relative;
}
    .home_plate4_list_pack .home_plate4_list_cont {
        position:absolute;
        bottom:0;
        left:0;
        width:100%;
        background:rgba(0,0,0,.5);
        text-align:center;
        color:#fff;
        font-size:18px;
        line-height:24px;
        padding:15px 10px;
    }
.home_plate4_list_img {
    overflow:hidden;
}
.home_plate4_list_img img  {
    transition:all .5s;
}
.home_plate4_list_pack:hover img {
    transform:scale(1.1);
}
.iconfont {
    display:none;
}
@media(max-width:1500px) {
    .home_banner_title h3 {
        font-size:70px;
        line-height:100px;
    }
    .contactus_left h3{
        font-size:40px;
    }
    .project_plate3 {
        padding:150px 15% 0;
    }
    .project_plate3_text {
        padding:0 50px;
    }
    .business_plate1_list_cont h3 {
        font-size:50px;
    }
    .business_plate1_list_pack {
        padding-right:250px;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_pack {
        padding:0 0 0 250px;
    }
    .join_cont_pack {
        padding:30px;
    }
}
@media(max-width:1400px) {
    .banner_title h3 {
        font-size:40px;
    }
    .public_title h3,
    .home_banner_title h3 {
        font-size: 60px;
        line-height: 90px;
    }
    .public_title h4,
    .casedetail_plate1 h3,
    .casedetail_plate1_cont h4,
    .case_title h3,
    .business4_plate1_desc,
    .vision_cont div,
    .contactus_left h3 {
        font-size: 30px;
        line-height: 40px;
    }
    .business4_plate1_desc,
    .vision_cont div {
        line-height: 46px;
    }
    .casedetail2_plate1_pack video,
    .home_plate2 video {
        height: 600px !important;
    }
    .casedetail2_plate3_text h3,
    .business_plate1_list_cont h3,
    .contactus_plate2_cont h3 {
        font-size: 36px;
        line-height: 46px;
    }
    .business_plate1_list_pack {
        padding-right:150px;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_pack {
        padding:0 0 0 150px;
    }
    .business_plate2swiper_cont{
        top:110px;
        left:130px;
    }
    .business_plate2swiper .swiper-slide img {
        height:700px;
    }
    .business_plate2swiper2 img{
        height:70px;
    }
    .map {
        width:750px;
    }
    .contactus_left{
        width:calc(100% - 750px);
    }
    .contactus_plate2{
        padding:120px 0;
    }
    .w_nav > li > a {
        font-size:16px;
    }
}
@media(max-width:1000px) {
    .iconfont {
        width: 40px;
        height: 40px;
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
    }

        .iconfont i {
            width: 100%;
            height: 100%;
            position: absolute;
        }

        .iconfont .cha {
            background: url(../images/cha.png) no-repeat center/100% 100%;
            display: none;
        }

        .iconfont .nav {
            background: url(../images/nav.png) no-repeat center/100% 100%;
        }

    .logo {
        height: 60px;
        padding: 10px 0;
    }

    .navlist {
        position: absolute;
        width: 100%;
        top: 100%;
        left: 0;
        background: rgba(0,0,0,.8);
        padding: 10px;
        border-top: 1px solid #f1f1f1;
        display: none;
        z-index: 101;
    }

    .w_nav {
        display: block;
    }

    header {
        position: relative;
        background:#000;
    }

    .w_nav > li > a{
        line-height: 30px;
        text-align: center;
    }
    .header_search {
        width:200px;
        margin-right:60px;
    }
    .er_nav {
        position:static;
        min-width:100%;
        text-align:center;
    }
    .public_title h3, .home_banner_title h3{
        font-size:25px;
        line-height:35px;
    }
    .home_banner_title p {
        font-size:18px;
        line-height:28px;
        margin-top:5px;
    }
    .public_title h4, .casedetail_plate1 h3, .casedetail_plate1_cont h4, .case_title h3, .business4_plate1_desc, .vision_cont div, .contactus_left h3 {
        font-size:18px;
        line-height:28px;
    }
    .public_title h4{
        bottom:0;
    }
    .public_pack,
    .home_plate3 {
        padding: 30px 0;
    }
    .home_plate1_list li{
        width:100%;
        padding:0 0;
    }
    .home_plate2_cont h3{
        width:200px;
        font-size:20px;
        line-height:30px;
        border-width:5px;
        height:80px;
    }
    .casedetail2_plate1_pack video, .home_plate2 video {
        height:300px !important;
    }
    .home_plate2_cont i {
        width:40px;
        height:40px;
    }
    .home_plate3_list {
        margin:30px  -5px 0;
    }
    .home_plate3_list li {
        width: 50%;
        padding: 0 5px;
    }
    .home_plate4_list {
        margin:30px 0 0;
    }
    .home_plate4_list li {
        width: 100%;
        padding: 0;
    }
    .home_plate4_list_pack .home_plate4_list_cont{
        font-size:16px;
    }
    .home_plate4 {
        padding-bottom:30px;
    }
    .footer_pack {
        padding:30px 0;
    }
    .footer_nav_list {
        display:none;
    }
    .footer_code{
        width:100%;
        justify-content:space-around;
    }
    .copyright{
        padding:10px 0;
        font-size:16px;
    }
    .banner_title h3{
        font-size:25px;
    }
    .about_plate1_cont h4 {
        font-size:16px;
        line-height:26px;
    }
    .about_plate1_cont{
        margin-top:25px;
    }
        .about_plate1_cont div {
            margin-top:20px;
        }
    .about_plate1_list{
        padding-bottom:20px;
    }
        .about_plate1_list li h3{
            font-size:40px;
            line-height:60px;
        }
    .about_plate2{
        padding:30px 0;
    }
    .iconfont {
        display:block;
    }
    .nav_layout {
        padding:0 10px;
    }
    .about_list_img {
        height:300px;
    }
    .about_list_cont{
        padding:10px;
    }
        .about_list_cont h3{
            font-size:18px;
            line-height:28px;
        }
        .about_list_cont p{
            height:200px;
            font-size:14px;
            line-height:24px;
        }
    .vision_cont,
    .vision_cont div, .contactus,
    .contactus_pack,
    .contactus_list,
    .contactus_plate2_cont p {
        margin-top: 20px;
    }
        .vision_cont span{
            font-size:18px;
            line-height:28px;
        }
    .vision_img img{
        margin-top:100px;
    }
    .vision_img::after{
        height:54px;
        top:-76px;
    }
    .contactus_pack {
        display:block;
    }
    .contactus_left{
        width:100%;
        padding:0;
    }
    .map{
        width:100%;
        margin-top:20px;
    }
    .contactus_list li {
        margin-bottom:20px;
    }
    .map * {
        height:300px !important;
    }
    .contactus_plate2{
        padding:30px 0;
    }
    .casedetail2_plate3_text h3, .business_plate1_list_cont h3, .contactus_plate2_cont h3 {
        font-size:22px;
        line-height:33px;
    }
    .contactus_plate2_cont p{
        font-size:16px;
        line-height:26px;
    }
    .contactus_plate2_code{
        width:100px;
    }
    .join_desc,
    .join_pack,
    .project_plate1_list,
    .case_title p,
    .casedetail_plate2_img {
        margin-top: 20px;
    }
    .join_pack {
        display:block;
    }
        .join_pack > div {
            width:100%;
            padding:10px;
            margin-bottom:10px;
        }
    .join_cont_pack {
        padding:15px;
    }
    .join_text {
        font-size:18px;
        line-height:28px;
    }
    .project_plate1{
        padding-top:30px;
    }
    .project_plate1_list{
        flex-wrap:wrap;
        height:600px;
    }
        .project_plate1_list li {
            width: 50%;
            height:50%;
            border-bottom: 1px solid rgba(255,255,255,.4);
        }
    .project_plate1_list_pack {
        padding:0 10px;
    }
        .project_plate1_list_pack h4{
            font-size:20px;
            line-height:30px;
        }
    .project_plate2{
        padding:30px 0 0;
    }
    .project_plate2_pack{
        margin-top:20px;
    }
    .about_layout{
        padding:0 10px;
    }
    .project_plate2_pack img{
        height:300px;
        object-fit:cover;
    }
    .project_plate2_desc {
        width:100%;
        padding:0 10px;
    }
    .project_plate3{
        padding:30px 10px 0;
    }
    .project_plate3_pack{
        display:block;
    }
    .project_plate3_cont{
        width:100%;
        margin-bottom:15px;
    }
    .project_plate3_text h3{
        font-size:20px;
        line-height:30px;
    }
    .project_plate3_text{
        padding:0 10px;
    }
    .project_plate3_cont:last-child {
        margin-top:0;
    }
    .project_pack{
        padding-bottom:15px;
    }
    .case_classify1 li a {
        font-size: 16px;
        line-height: 45px;
    }

    .case_classify1 li a {
        width: 160px;
    }
    .business_classify li {
        width:50%;
    }
    .business_classify li a {
        width: 100%;
        font-size:16px;
        line-height:45px;
    }
    .case_classify1 {
        width:90%;
        position:static;
        margin:0 auto;
        transform:translateX(0);
    }
    .case_classify2{
        margin-top:20px;
        overflow:auto;
        justify-content:normal;
    }
    .business_plate1{
        margin-top:30px ;
        padding:0 10px;
    }
    .business_plate1_list_cont {
        width: 100%;
        padding-left: 0;
        margin-top: 20px;
    }
    .business_plate1_list_pack{
        padding-right:0;
    }
    .business_plate1_list_img{
        width:100%;
        padding-bottom:0;
    }
    .business_plate1_list_pack{
        display:block;
    }
    .business_plate1_list_cont div{
        height:230px;
    }
    .business_plate1_list_img img{
        min-width:100%;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_img img{
        transform:none;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_pack{
        padding:0;
    }
    .business_plate1_list li:nth-child(2n) .business_plate1_list_cont{
        padding:0;
    }
        .business_plate1_list li:nth-child(2n) .business_plate1_list_cont span{
            right:0;
        }
    .business_plate1_list li{
        margin-bottom:30px;
    }
    .business_plate2swiper .swiper-slide img{
        height:350px;
    }
    .business_plate2swiper_cont{
        top:20px;
        left:0;
        width:100%;
        padding:0 10px;
    }
        .business_plate2swiper_cont h4,
        .business2_plate2_left h3 {
            font-size: 20px;
            line-height: 30px;
        }
        .business_plate2swiper_cont div{
            margin-top:15px;
        }
    .business_plate2swiper2{
        width:100%;
        position:static;
    }
    .business2_plate2{
        padding:30px 0 0;
    }
    .business2_plate2_left h3::after{
        margin-top:15px;
    }
    .business2_plate2_pack{
        display:block;
    }
    .business2_plate2_left{
        width:100%;
        padding:0;
    }
        .business2_plate2_left div {
            height:160px;
            margin-top:20px;
        }
    .business2_plate2_swiper{
        width:100%;
    }
    .business3_plate1_desc{
        margin-top:30px;
        font-size:18px;
        line-height:28px;
    }
    .business4_plate1{
        margin-top:20px;
    }
    .case_classify1 {
        overflow:auto;
    }
    .case_list ul {
        margin:30px 0 0;
    }
    .case_list ul li {
        width:100%;
        padding:0;
    }
    .casedetail_plate1_cont {
        width:100%;
        padding:15px;
        margin:0;
    }
    .casedetail_plate1_pack{
        display:block;
        margin-top:30px;
    }
    .casedetail_plate1_img {
        width:100%;
    }
        .casedetail_plate1_img img {
            width:100%;
            margin:0;
        }
    .casedetail_plate2{
        padding-top:30px;
    }
    .casedetail_plate3 {
        padding-top:30px;
    }
    .casedetail_plate3_list {
        margin:30px 0 0;
    }
    .casedetail_plate3_list li {
        width:100%;
        padding:0;
        margin-bottom:20px;
    }
    .casedetail_plate3_list_cont {
        position:static;
        width:100%;
        padding:15px 10px;
    }
    .casedetail2_plate1_pack {
        margin-top:20px;
    }
        .casedetail2_plate1_pack i{
            width:40px;
            height:40px;
        }
    .casedetail2_plate2_pack{
        padding-top:30px;
    }
        .casedetail2_plate2_pack h3{
            font-size:20px;
            line-height:30px;
        }
    .casedetail2_plate2_list{
        margin:30px -5px 0;
        flex-wrap:wrap;
    }
    .casedetail2_plate2_list li {
        width:50%;
        padding: 0 5px;
        margin-bottom:10px;
    }
    .casedetail2_plate2_desc{
        margin-top:20px;
        height:200px;
        overflow:auto;
    }
    .casedetail2_plate2_desc::-webkit-scrollbar {
        width:3px;
    }
    .casedetail2_plate3_pack {
        padding-top:30px;
    }
    .casedetail2_plate3_cont img{
        height:300px;
        object-fit:cover;
    }
    .casedetail2_plate3_text{
        left:0;
        max-width:100%;
        padding:20px 10px;
    }
        .casedetail2_plate3_text div{
            font-size:16px;
            line-height:26px;
            max-height:60%;
            margin-top:20px;
        }
    .news_list{
        margin-top:30px;
    }
    .news_list_cont {
        margin:0 ;
    }
    .news_list_cont li {
        width:100%;
        padding:0;
        margin-bottom:20px;
    }
    .news_list_conts {
        padding:10px;
    }
        .news_list_conts h4{
            font-size:18px;
            line-height:28px;
        }
    .detail_pack{
        padding:30px 0;
    }
    .business3_plate1_img {
        height:auto;
        min-width:100%;
    }
        .business3_plate1_img div {
            position:static;
            width:100% !important;
            height:100% !important;
            margin-bottom:20px;
            border-width:10px;
        }
}