html {
    overflow-x: hidden;
    font-size: 10px;
    padding: 0;
    margin: 0;
    font-family: "Microsoft YaHei", "Helvetica", "sans-serif", "Arial";
}
body {
    background: #fff;
    text-align: center;
    max-width: 1920px;
    margin: auto;
}
canvas {
    position: absolute;
    top: 5.21vw;
    z-index: 1;
}
img {
    height: 100%;
    width: 100%;
}
button {
    border: 0;
    background-color: #274198;
    color: #fff;
    font-size: 1.5vw;
    height: 4vw;
    width: 10vw;
}
a {
    color: #000000;
}
a:link {
    color: #000000;
    text-decoration: none;
}
.case-list a:link {
    color: #ffffff;
    text-decoration: none;
}
a:active {
    color: #275c98;
}
p {
    text-indent: 2em;
    line-height: 1.5;
}
.header-tab a:hover {
    color: #275c98;
    text-decoration: none;
}
.active {
    color: #275c98 !important;
}
.flex {
    display: flex;
}
.flex-w {
    flex-wrap: wrap;
}
.flex-j-sb {
    justify-content: space-between;
}
.ti{
    text-indent:0.5vw;
}
.pr {
    position: relative;
}
.pa {
    position: absolute;
}
.ta-c {
    text-align: center;
}

.ta-l {
    text-align: left;
}

.ta-r {
    text-align: right;
}

.position-ft {
    position: fixed;
    top: 0;
}
.b999 {
    background-color: #999999;
}
.b171 {
    background-color: #171f4e;
}
.b1b {
    background-color: #1b1b1b;
}
.cfff {
    color: #ffffff;
}
.c999 {
    color: #999999;
}
.c333 {
    color: #333333;
}
.w33 {
    width: 30%;
    margin: 1.5%;
}
.width{
    width: 33%;
}
.w10 {
    width: 10%;
}
.w20 {
    width: 20%;
}
.w25 {
    width: 25%;
}
.w30 {
    width: 30%;
}
.w40 {
    width: 40%;
}
.w45 {
    width: 45%;
}
.w50 {
    width: 50%;
}
.w70 {
    width: 70%;
}
.w75 {
    width: 75%;
}
.w80 {
    width: 80%;
}
.padding-all{
    padding: 3vw;
}
.padding {
    padding: 0 3vw;
}
.p-t2b4 {
    padding: 2vw 0 4vw;
}
.p-t3b4 {
    padding: 3vw 0 4vw;
}
.p-t4b8 {
    padding: 4vw 0 8vw;
}
.pt-10 {
    padding-top: 1vw;
}

.pt-50 {
    padding-top: 5vw;
}

.pl-30 {
    padding-left: 2vw;
}
.m-auto {
    margin: auto;
}
.mr-20 {
    margin-right: 2vw;
}
.mt-05 {
    margin-top: 0.5vw;
}
.m-t3b4 {
    margin: 3vw 0 4vw;
}
.mt-10 {
    margin-top: 1vw;
}
.mt-20 {
    margin-top: 2vw;
}
.mt-30 {
    margin-top: 2vw;
}
.mt-40 {
    margin-top: 4vw;
}
.ml-05 {
    margin-left: 5vw;
}

.ml-30 {
    margin-left: 2vw;
}
.ml-25 {
    margin-left: 200vw;
}
.mb-10 {
    margin-bottom: 1vw;
}
.mb-40 {
    margin-bottom: 4vw;
}

.mr-50 {
  margin-right: 10vw;
}
.lh-1{
    line-height: 1;
}
.lh-17 {
    line-height: 1.7;
}
.float-l {
    float: left;
}

.float-r {
    float: right;
}
.fw-b {
    font-weight: bold;
}
.fs-12 {
    font-size: 0.65vw;
}
.fs-14 {
    font-size: 0.85vw;
}

.fs-16 {
    font-size: 0.9vw;
}
.fs-1 {
    font-size: 1vw;
}
.fs-17 {
    font-size: 1.5vw;
}
.fs-18 {
    font-size: 1.2vw;
}

.fs-24 {
    font-size: 2.5vw;
}
.fs-20 {
    font-size: 1vw;
}

.fs-32 {
    font-size: 2.6vw;
}
.map {
    height: 20vw;
    width: 100%;
}
.header-tab-text:hover {
    color: #275c98;
}

.header-body {
    width: 100%;
    line-height: 5vw;
}

.header-logo {
    height: 100%;
}

.header-logo img {
    width: auto;
    height: 100%;
}

.header-tab {
    margin-top: 7vw;
}
.header-tab-modile,
.header-tab-modile-list,
.contact-mobile,
.contact-info-mabile,
.contact-info-input-mabile,
.foot-text-modlie {
    display: none;
}


.body-head {
    height: 10vw;
    padding: 0 !important;
    margin: auto !important;
    max-width: 85% !important;
}
.index-img img{
    width: 85%;
}
.body-foot {
    height: 10vw;
    padding: 0 7.5% !important;
    margin: auto !important;
    
}
.foot-text {
    line-height: 10vw;
}
.foot-text span {
    margin: 0.5vw;
}
.body-swiper {
    height: 35vw;
    width: 100%;
}
.swiper-container {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    background-color: #274198;
}

.body-case {
    max-width: 75%;
    /* height: 178vw; */
    margin: auto;
}
.casedata-img{
    height: 12vw;
    width: 22vw
}
.body-img {
    /* height: 117vw; */
    width: 100%;
}
.body-cooperation {
    max-width: 65%;
    /* height: 178vw; */
    margin: 0 auto 3vw;
}
.cooperation-logo {
    height: 5vw;
    width: 14vw;
    margin: 1vw;
}
.body-contact {
    background-color: #fff;
    background: url("../img/index_bg.png");
    background-size: 100%;
    width: 100%;
    position: relative;
}
.body-contact-title {
    margin: auto;
    width: 13vw;
}
.body-contact-input {
    background-color: #e0e0e0;
    margin-bottom: 1.5vw;
    width: 100%;
    height: 3vw;
}
.body-contact-text {
    width: 100%;
    height: 8vw;
}
.body-join {
    width: 100%;
    height: 40.6vw;
    position: relative;
}
/* 案例列表 */
.list-top {
    height: 10vw;
    width: 100%;
}
.case-list {
    width: 70%;
    margin: auto;
    text-align: left;
}
.body-list button {
    font-size: 0.5vw;
    height: 2vw;
    width: 8vw;
}
.body-details{
    padding-bottom: 4vw;
    margin: auto;
    width: 75%;
}
.body-details img{
    width: 100% !important;
}
/* 联系 */
.contact {
    padding-bottom: 4vw;
    margin: auto;
    width: 70%;
}
.contact-map {
    height: 30vw;
}
.add {
    height: 2vw;
    width: 4vw;
    line-height: 2vw;
    border-radius: 3px;
}
.contact-input {
    height: 2.5vw;
}
.contact-input,
.contact-text,
.body-contact-input,
.body-contact-text {
    background: #e5e5e5;
    border: 1px #c0c0c0 solid;
    font-family: arial,"微软雅黑";
    width: 100%;
}
.contact-text{
    height: 8vw;
}
.pb15{
    padding-bottom: 18vw;
}
.foot-text > a {
    color: #999999;
}
.foot-text > a:link {
    color: #999999;
    text-decoration: none;
}
.foot-text > a:active {
    color: #999999;
}
.listbutton{
    background-color: #274198;
    color: #ffffff;
    padding: .5vw 1vw;
}
.mobile-menu {
  display: none;
}
@media screen and (max-width: 901px) {
    .header-tab-modile,
    .header-tab-modile-list,
    .contact-mobile,
    .contact-info-mabile,
    .contact-info-input-mabile,
    .foot-text-modlie {
        display: block;
    }
    .header-tab,
    .contact-pc,
    .contact-info,
    .contact-info-input,
    .foot-text {
        display: none;
    }
    button{
        height: 5vw;
        width: 20vw;
    }
    .contact-input {
        height: 5.5vw;
    }
    .mobile-menu{
        position: absolute;
        top: 15vw;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        background: rgba(255, 255, 255, 0.7);
        font-size: 5vw;
        text-align: right;
        z-index: 999;
      }
    .body-contact{
        background: url(../img/index_bg.png);
        background-size: 100%;
    }
    .fs-18 {
        font-size: 3vw;
    }
    
    .fs-24 {
        font-size: 3.5vw;
    }
    .width{
        width: 45%;
        margin: 2.5%;
    }
    .body-head {
        height: 15vw;
        padding: 0 !important;
        margin: auto !important;
        max-width: 85% !important;
    }
    .casedata-img{
        height: 20vw;
        width: 100%;
    }
    .header-tab-modile {
        width: 5.87vw;
        height: 5.87vw;
        margin: 5vw 0 4vw 15vw;
        float: right;
    }
    .icone {
        background: url("../img/header_tab_modile.png") no-repeat;
        background-size: 100% 100%;
      }
      .iconx {
        background: url("../img/header_tab_modile_x.png") no-repeat;
        background-size: 100% 100%;
      }
    .header-tab-modile-list {
        position: absolute;
        top: 0;
        right: 0;
        width: 22vw;
        margin-right: 7.5vw;
        text-align: right;
        font-size: 4.5vw;
        background-color: rgba(255, 255, 255, 0.7);
        z-index: 999;
    }
    .body-contact{
        padding-bottom: 10vw;
    }
    .header-tab-modile-list a {
        display: none;
    }
    .header-tab-modile-list span {
        height: 7vw;
        line-height: 5vw;
        display: inline-block;
    }
    .body-case-modile {
        max-width: 80%;
        /* height: 178vw; */
        margin: auto;
    }
    .foot-text-modile {
        line-height: 15vw;
    }
    .foot-text-modile span {
        margin: 0.5vw;
    }
    .foot-text-modile-a {
        color: #999999;
    }
    .foot-text-modile-a:link {
        color: #999999;
        text-decoration: none;
    }
    .foot-text-modile-a:active {
        color: #999999;
    }
    .body-foot{
        position: fixed;
        bottom: 0;
        left: 0;
        height: 15vw;
        width: 85%;
        padding: 0 7.5% !important;
    }
    button {
        font-size:  12px;
    }
    .add {
        height: 4vw;
        width: 8vw;
        line-height: 4vw;
        border-radius: 3px;
    }
}