.box-structure ul {
        overflow: hidden;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        height: 100%;
        z-index: 1;
    }
        .sol_cont p {
        text-align: center;
        line-height: 2;
        font-size: 14px;
        margin-top: 5%;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    }
    .sol_cont p{
    text-align: center;
    line-height: 2;
    font-size: 18px;
    margin-top: 5%;
    }
    .box-structure .structure {
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        height: 100vh;
        -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        transform: translateY(-50%);
    }
    .list li:nth-child(1){
        background-image: url("../images/id1.jpg");
        background-size:cover;
    }
    .list li:nth-child(2){
        background-image: url("../images/id2.jpg");
        background-size:cover;
    }
    .list li:nth-child(3){
        background-image: url("../images/id3.jpg");
        background-size:cover;
    }
    .list li:nth-child(4){
        background-image: url("../images/id4.jpg");
        background-size:cover;
    }
    /*.list li:nth-child(5){*/
    /*    background-image: url("../images/index5.jpg");*/
    /*}*/
    .solution .mask{
        height: 100%;
        background: #000;
        opacity: .8;
        position: absolute;
        top: 0;
        min-width: 100%;
        max-width: 600px;
        transition: all 0.3s ease-in-out 0s;
    }

    .list .solution:hover .mask{
        opacity: .5;
    }
    .list li:hover .sol_cont{
        margin-top: 6%;
    }
    /**/
    .d7:after {content:""; clear:both; display:table}
    .d7 form {
        width: auto;
        float: right;
        /*margin-right: 30px;*/
        position: relative;
    }
    .d7 input {
        width: 210px;
        height: 42px;
        padding-left: 8%;
        border-radius: 42px;
        border: 1px solid #000;
        outline: none;
        position: relative;
        transition: .3s linear;
    }
    .d7 input:focus {
        width: 250px;
    }
    .d7 button {
    width: 42px;
    height: 42px;
    background: none;
    border: none;
    position: absolute;
    top: 4%;
    right: 0;
    }
    .d7 button:before{
        content: "\f002";
        font-family: FontAwesome;
        color: #000;
    }
    .box-about .us_box{
        padding: 10% 5% 0 5%;
        display: flex;
        flex-direction: column;
    }
    .us_box .us_box1{
        width: 100%;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        position: relative;
    }
    .us_box1 .us_box_title{
        width: 40%;
    }
    .us_box1 .us_box_cont{
        width: 66%;
        display: flex;
        flex-direction: column;
    }
    .us_box_cont .us_box_bot{
        display: flex;
        justify-content: flex-end;
        position: absolute;
        bottom: 11%;
        right: 0;
    }
    .us_box_bot a{
        text-align: center;
        border: 1px solid #0C0C0C;
        padding: 8% 7%;
        min-width: 140px;
        font-size: 12px;
        display: inline-block;
        transition: all 0.3s ease-in-out 0s;
    }
    .us_box_cont em{
        font-size: 22px;
        margin: 2% 0;
    }
    .us_box_cont p{
        font-size: 16px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
    }
    .us_box_cont span{
        font-size: 30px;
        font-weight: bold;
    }
    .us_box1 .us_box_title{
        /*min-height: 330px;*/
    }
    .us_box_title video{
        width: 100%;
        height: 100%;
        object-fit: fill;
    }
    .us_box .us_box2{
        display: flex;
        width: 100%;
        justify-content: space-between;
        align-items: flex-start;
    }
    .us_box_bot:hover a{
        background: #000;
        color: #fff;
        border: 1px solid #0C0C0C;
    }
    .box-structure ul li {
    position: relative;
}
    /*新闻*/
    .new_box {
        display: flex;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        padding: 0 26px;
        /*background-color: #f6f8fa;*/
    }
    .new_box .solution {
        display: flex;
        flex-direction: column;
        align-content: center;
        justify-content: center;
        align-items: center;
    }
    .sol_new .sol_new_sli .sol_new_sli {
        display: flex;
    }
    .sol_new{
        display: flex;
        margin-bottom: 1%;
    }
    .solution .title{
        font-size: 36px;
        font-weight: bold;
        color: #000;
        margin-bottom: 2%;
    }
    .new_box_cont{
        /*background: #fff;*/
    }
    .sol_new_sli .new_a_box{
        display: flex;
        flex-direction: column;
        padding: 4% 4% 6% 4%;
        position: relative;
        /*background-color: #fff;*/
        /*border: 1px solid #ccc;*/
    }
    .sol_new_sli {
        border-top: 1px solid #ccc;
    }
    .new_a_box .new_a_b_img{
        max-height: 240px;
        min-height: 200px;
        width: 100%;
        display: flex;
        overflow: hidden;
        justify-content: center;
        align-items: center;
        margin-top: 3%;
        transition: all .6s ease .1s;
    }
    .sol_new_sli img{
        transition: all .6s ease .1s;
        max-height: 240px;
        min-height: 200px;
        height: 100%;
        width: 100%;
    }
    .new_a_b_img img:hover {
        transform: scale(1.2);
    }
    .swiper {
        width: 100%;
        height: 100%;
    }
    .solution .swiper-father{
        overflow: hidden;
        width: 100%;
        height: 100%;
    }
    .new_a_b_title .mc_a1s1_more{
        width: 20%;
        text-align: center;
        border-radius: 50px;
        background: #0077ee;
        border: 1px solid  #0077ee;
        color: #fff;
        padding: 2%;
        transition: all 0.3s ease-in-out 0s;
    }
    .new_a_b_title .mc_a1s1_more:hover{
        background: 0;
        color: #0077ee;
        border: 1px solid  #0077ee;
    }
    .new_a_b_title .mc_a1s1_txt{
        font-size: 18px;
        margin: 3% 0;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        overflow: hidden;
    }
    .mc_a1s1_date span{
        color: #0077ee;
        font-weight: 600;
        margin-left: 1%;
    }
    .mc_a1s1_date {
        display: flex;
        align-items: center;
    }
    .new_box_cont .new_a_box::before{
        content: '';
        position: absolute;
        width: 0;
        height: 3px;
        border-radius: 20px;
        background-color: #0077ee;
        left: 50%;
        bottom: 3.6%;
        transform: translateX(-50%);
        z-index: 2;
        transition: width 0.6s;
    }
    .new_box_cont .new_a_box::after {
        content: '';
        position: absolute;
        width: 92%;
        height: 2px;
        border-radius: 20px;
        background-color: #ddd;
        left: 50%;
        bottom: 3.6%;
        transform: translateX(-50%);
        z-index: 1;
    }
    .new_box_cont .new_a_box:hover::before {
        width: 92%;
    }

    .sol_new_sli .new_box_cont:hover{
        box-shadow: 15px 9px 14px 2px rgb(110 117 129 / 18%);
    }
    .sol_new_sli:not(:last-child) {
        border-right: 1px solid #e5e5e5;
    }
    .sol_new_sli {
        transition: all 0.3s ease-in-out 0s;
    }
    .box-structure .title {
        position: absolute;
        top: 20%;
        left: 30%;
        width:40%;
        z-index: 2;
        font-size: 40px;
        color: #fff;
        font-weight: bold;
    }
    .solution_box .sol_cont {
        display: flex;
        position: relative;
        height: 100%;
        justify-content: center;
        align-items: center;
        padding: 0 10%;
        color: #fff;
        flex-direction: column;
        z-index: 1;
        transition: all 0.3s ease-in-out 0s;
    }

    .header .navbar_nav li a {
        ttext-decoration: none;
        height: 100%;
        padding: 0px 35px;
        display: block;
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
        -o-transition: 0.5s;
        transition: 0.5s;
        color: #000;
        font-size: 16px;
        display: flex;
        align-items: center;
    }
    .footer {
        overflow: hidden;
        padding: 3% 0;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer_tits{
        font-size: 40px;
        color: #fff;
        font-weight: bold;
        margin-bottom: 6%;
    }


@media screen and (min-width: 750px) and (max-width:1600px) {

    .box-structure .title{font-size:32px;}
    .sol_cont span{font-size: 24px;}
    .header .navbar_nav li.dropdown .dropdown_menu {
        display: none;
        position: absolute;
        top: 100%;
        /* width: 100%; */
        background: #fff;
        box-shadow: 0 15px 27px 0 rgb(167 165 165 / 38%);
        height: 40px;
        border-radius: 0 0 15px 18px;
    }
    .header .navbar_nav li.dropdown:hover .dropdown_menu {
        display: block;
        background: #f3f3f3;
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
        -o-transition: 0.5s;
        transition: 0.5s;
        /* min-width: 626px; */
        height: 40px;
        border-radius: 0 0 15px 18px;
        display: flex;
        justify-content: space-around;
    }
    .header .navbar_nav li.dropdown .dropdown_menu a {
        font-size: 12px;
        color: #666;
        padding: 0px 4px;
        line-height: 30px;
        margin-bottom: 2px;
        min-width: 91px;
        display: inline-block;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .header {
        position: fixed;
        z-index: 9;
        top: 0;
        display: -webkit-box;
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        flex-direction: row;
        width: 100%;
        height: 60px;
        -webkit-box-orient: horizontal;
        -webkit-box-direction: normal;
        -webkit-flex-direction: row;
        -ms-flex-direction: row;
        -webkit-box-pack: justify;
        -webkit-justify-content: space-between;
        -ms-flex-pack: justify;
        justify-content: space-between;
    }
    .box-structure ul {
        overflow: hidden;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        height: 100%;
        z-index: 1;
    }
    .box-structure .structure {
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        height: 100vh;
        -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        transform: translateY(-50%);
    }
    .list li:nth-child(1){
        background-image: url("../images/index1.jpg");
        background-size: cover;
    }
    .list li:nth-child(2){
        background-image: url("../images/index2.jpg");
        background-size: cover;
    }
    .list li:nth-child(3){
        background-image: url("../images/index3.jpg");
        background-size: cover;
    }
    .list li:nth-child(4){
        background-image: url("../images/index4.jpg");
        background-size: cover;
    }
    .solution .mask{
        height: 100%;
        background: #000;
        opacity: .8;
        position: absolute;
        top: 0;
        min-width: 100%;
        max-width: 600px;
        transition: all 0.3s ease-in-out 0s;
    }

    .list li:hover .sol_cont{
        margin-top: 6%;
    }
    .d7:after {content:""; clear:both; display:table}
    .d7 form {
        width: auto;
        float: right;
        /*margin-right: 30px;*/
        position: relative;
    }
    .d7 input {
width: 180px;
    height: 30px;
    font-size: 14px;
    padding-left: 8%;
    border-radius: 42px;
    border: 1px solid #000;
    outline: none;
    position: relative;
    transition: .3s linear;
    }
    .d7 input:focus {
        width: 200px;
    }
    .d7 button {
        width: 42px;
        height: 42px;
        background: none;
        border: none;
        position: absolute;
        top: -16%;
        right: 0;
    }
    .d7 button:before{
        content: "\f002";
        font-family: FontAwesome;
        color: #000;
    }
    .box-about .us_box{
        padding: 8% 5% 0 5%;
        display: flex;
        flex-direction: column;
    }
    .us_box .us_box1{
        width: 100%;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
    }
    .us_box_cont p{
        font-size: 14px;
    }
    .us_box_cont .us_box_bot{
           display: flex;
        justify-content: flex-end;
        position: absolute;
        bottom: 11%;
        right: 0;
    }
    .us_box_bot a{
        text-align: center;
        border: 1px solid #0C0C0C;
        padding: 4% 2%;
        font-size: 14px;
        min-width: 100px;
        display: inline-block;
        transition: all 0.3s ease-in-out 0s;
    }
    .us_box_cont em{
        font-size: 18px;
        margin: 2% 0;
    }

    .us_box_cont span{
        font-size: 24px;
        font-weight: bold;
    }

    .us_box .us_box2{
        display: flex;
        width: 100%;
        justify-content: space-between;
        align-items: flex-start;
    }
    .us_box_bot:hover a{
        background: #000;
        color: #fff;
        border: 1px solid #0C0C0C;
    }
    .sol_cont p {
        text-align: center;
        line-height: 2;
        font-size: 14px;
        margin-top: 5%;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    }
    /*新闻*/
    .new_box {
        display: flex;
        width: 100%;
        height: 100vh;
        padding: 0 60px;
        flex-direction: column;
        justify-content: center;
        /*background: #f7f8fa;*/
    }

    .solution .title{
        font-size: 30px;
        font-weight: bold;
        color: #000;
        margin-bottom: 2%;
    }
    .sol_new_sli .new_a_box{
        display: flex;
        flex-direction: column;
        padding: 4% 4% 6% 4%;
        position: relative;
        /*border: 1px solid #ccc;*/
    }

    .new_a_b_title .mc_a1s1_more{
        width: 26%;
        text-align: center;
        border-radius: 50px;
        background: #0077ee;
        border: 1px solid  #0077ee;
        color: #fff;
        padding: 2%;
        transition: all 0.3s ease-in-out 0s;
    }
    .new_a_b_title .mc_a1s1_more:hover{
        background: 0;
        color: #0077ee;
        border: 1px solid  #0077ee;
    }
    .new_a_b_title .mc_a1s1_txt{
        font-size: 18px;
        margin: 6% 0;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        overflow: hidden;
    }
    .mc_a1s1_date span{
        color: #0077ee;
        font-weight: 600;
        margin-left: 1%;
    }
    .mc_a1s1_date {
        display: flex;
        align-items: center;
    }
    .new_box_cont .new_a_box::before{
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        border-radius: 20px;
        background-color: #0077ee;
        left: 50%;
        bottom: 2.4%;
        transform: translateX(-50%);
        z-index: 2;
        transition: width 0.6s;
    }
    .new_box_cont .new_a_box::after {
        content: '';
        position: absolute;
        width: 92%;
        height: 2px;
        border-radius: 20px;
        background-color: #ddd;
        left: 50%;
        bottom: 2.5%;
        transform: translateX(-50%);
        z-index: 1;
    }
    .new_box_cont .new_a_box:hover::before {
        width: 92%;
    }

    .new_box_cont:hover{
        box-shadow: 15px 9px 14px 2px rgb(110 117 129 / 18%);
    }
    .sol_new_sli:not(:last-child) {
        border-right: 1px solid #e5e5e5;
    }
    .sol_new_sli {
        /*background: #fff;*/
        transition: all 0.3s ease-in-out 0s;
    }

    .solution_box .sol_cont {
        display: flex;
        position: relative;
        height: 100%;
        justify-content: center;
        align-items: center;
        padding: 0 6%;
        color: #fff;
        flex-direction: column;
        z-index: 1;
        transition: all 0.3s ease-in-out 0s;
    }
    .sci_box_na {
        display: flex;
        align-items: flex-end;
        font-size: 18px;
        color: #0099ff;
        margin-bottom: 4%;
        /* margin-top: 10%; */
    }
    .header .navbar_nav li a {
        text-decoration: none;
        height: 100%;
padding: 0 18px;
        display: block;
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
        -o-transition: 0.5s;
        transition: 0.5s;
        color: #000;
        font-size: 13px;
        display: flex;
        align-items: center;
    }
        .footer {
        overflow: hidden;
        padding: 3% 0;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer_tits{
        font-size: 30px;
        color: #fff;
        font-weight: bold;
        margin-bottom: 6%;
        width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-content: center;
        margin-bottom: 7%;
        text-align: center;
    }
    .box-footer .footer {
        overflow: hidden;
        padding: 3%;
        min-width: 1200px;
        }
        .box-footer {
        position: relative;
        height: 100vh;
        background: linear-gradient(#fff, #238acf);
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .foot-nav1 p {
        font-size: 14px;
        padding-bottom: 5%;
        color: #2f2f2f;
        display: inline-block;
    }
    .box-footer .footer .foot-nav h3 {
        font-size: 18px;
        font-weight: bold;
        margin: 0 0 20px 0;
        color: #1868b4;
    }
}
/*移动端*/
@media screen and (max-width: 750px){
    .max_width {
        max-width: 100%;
        margin: 0 0.2rem;
    }
    .banner_no{
        display: none!important;
    }
    .banner_bl{
        display: block!important;
    }
    .solution .title {
        font-size: 36px;
        font-weight: bold;
        color: #000;
        margin-bottom: 0.5rem;
    }
    .padding li {
        background: #fff;
        border: 1px solid #ccc;
        margin: 0 0.2rem;
        /* max-height: 47px; */
        width: 1rem;
        font-size: 0.3rem;
        display: flex;
        align-items: center;
        justify-content: center;
        height: 1rem;
    }
    .new_a_b_title .mc_a1s1_more {
        width: 2rem;
        text-align: center;
        border-radius: 50px;
        background: #0077ee;
        border: 1px solid #0077ee;
        color: #fff;
        padding: 0.2rem;
        transition: all 0.3s ease-in-out 0s;
    }
    .search {
        display: none;
    }
    .us_box .us_box1 {
        width: 100%;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        position: relative;
        flex-direction: column;
    }
    .us_box1 .us_box_title {
        width: 100%;
        margin-bottom: 4%;
    }
    .box-structure ul {
        overflow: hidden;
        display: flex;
        width: 100%;
        height: 100%;
        z-index: 1;
        flex-direction: column;
    }
    .sol_cont span {
        font-size: 0.4rem;
        font-weight: bold;
    }
    .sol_cont span {
        font-size: 0.4rem;
        font-weight: bold;
    }
    .sol_cont span {
        font-size: 0.4rem;
        font-weight: bold;
    }
    .box-structure .title{
        display: none;
    }
    .box-about .us_box {
        /* padding: 10% 5% 0 5%; */
        display: flex;
        flex-direction: column;
        justify-content: center;
        height: 100%;
    }
    .us_box1 .us_box_cont {
        width: 100%;
        display: flex;
        flex-direction: column;
        color: #000;
        background: #fff;
        padding: 5%;
        min-height: 7rem;
        position: relative;
        border-bottom: 0.1rem solid #1868b4;
    }
    .us_box_cont .us_box_bot {
        display: flex;
        justify-content: flex-end;
        position: relative;
        width: 100%;
        bottom: 0;
    }
    .header .left {
    width: 100%;
}
    .us_box_cont span {
        font-size: 0.4rem;
        font-weight: bold;
    }
    .us_box_cont em {
        font-size: 0.3rem;
        margin: 0.2rem 0;
    }    
    .us_box_bot a {
        text-align: center;
        border: 1px solid #0C0C0C;
        padding: 4% 6%;
        min-width: 121px;
        font-size: 12px;
        display: inline-block;
        transition: all 0.3s ease-in-out 0s;
        position: absolute;
        left: 0;
    }
    .us_box_cont p {
        font-size: 0.28rem;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 6;
        overflow: hidden;
    }
    .new_box {
        display: flex;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        padding: 0 0.2rem;
        background-color: #f6f8fa;
        justify-content: center;
    }
    .box-structure .structure {
        position: absolute;
        top: 51%;
        left: 0;
        width: 100%;
        height: 90vh;
        -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        transform: translateY(-50%);
    }
   

}
@media screen and (min-width: 750px) and (max-width:950px) {
    .d7 form {
        display: none;
    }
    .header .left {
        width: 45%;
    }
    .header .nav {
        -webkit-transition: 0.5s;
        -moz-transition: 0.5s;
        -o-transition: 0.5s;
        transition: 0.5s;
        height: 100%;
        display: block;
        width: 83%;
    }
    .box-about .us_box {
        padding: 20% 5% 0 5%;
    }
    .us_box .us_box1 {
        width: 100%;
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        flex-direction: column;
    }
    .us_box1 .us_box_title {
        width: 100%;
    }
    .us_box1 .us_box_cont {
        width: 100%;
        display: flex;
        flex-direction: column;
        background: #fff;
        padding: 4% 4% 14% 4%;
    }
    .us_box_cont .us_box_bot {
        display: flex;
        justify-content: flex-end;
        position: relative;
        bottom: 0;
        margin-top: 2%;
        width: 100%;
    }
    .us_box_bot a {
        text-align: center;
        border: 1px solid #0C0C0C;
        padding: 2% 2%;
        font-size: 14px;
        min-width: 100px;
        display: inline-block;
        position: absolute;
        top: 10px;
        left: 0;
        transition: all 0.3s ease-in-out 0s;
    }
    .box-structure .structure {
        position: absolute;
        top: 51%;
        left: 0;
        width: 100%;
        height: 90vh;
        -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
        transform: translateY(-50%);
    }
    .box-structure ul {
        overflow: hidden;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        height: 100%;
        z-index: 1;
        flex-direction: column;
    }
    .box-structure .title {
        display: none;
        }
    .list li:hover .sol_cont {
        margin-top: 0;
    }
    .footer_tits{
        display: none;
    }
    .footer .foot-nav ul {
        width: 100%;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
        align-items: flex-start;
    }
    .box-footer .footer .foot-nav {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        flex-direction: column;
    }
    .box-footer .footer {
        overflow: hidden;
        padding: 3%;
        min-width: 100%;
    }
}




.us_box_cont em{font-size:24px;color:#fff;}
.us_box1 .us_box_cont p{color:#fff;font-size:18px;}