@media screen and (max-height:650px) {
    body .main-item-content-wrap .main-item-content{
        max-width: 1075px;
        height: 438px;
        background-size: 100% 100%
    }
    body .main-item-content>li .item-content{
        height: 418px;
    }
    body .main-item-content>li .item-title{
        padding-top: 20px;
    }
    body .main-item-content>li .item-info{
        top: 71px;
    }
    body .main-item-content>li .item-more-info{
        width: 646px;
        margin-left: 47px;
    }
    body .case-lists-item-detail-content-items-title{
        margin-top: 15px;
    }
    body .case-lists-item-detail-content-items-descs-box{
        width: 185px;

        height: 239px;
    }
    body .case-lists-item-detail-content-items-descs li{
        width: 184px;
    }

}
@media screen and (max-width:800px) {

    body .main-item-content-wrap-box {
        display: none;
    }

    body .case-lists {
        width : 100%;
        height: 100%;
    }

    body .case-header {
        width          : 100%;
        /* background  : url("../img/chenggonganli.png") no-repeat;
        background-size: 100% 100%; */
        height         : 180px;
        line-height    : 180px;
        font-size      : 28px;
    }

    body .svg {
        display: none;
    }

    body canvas {
        display: none;
    }

    body .case-lists-content {
        display: none;
    }

    body .case-list-phone {
        display: block;
    }

    .case-lists-phone-title {
        font-size     : 23px;
        width         : 50px;
        border-bottom : 1px solid rgb(87, 147, 245);
        padding-bottom: 10px;
        margin-top    : 30px;
    }

    .case-lists-phone-desc-item {
        display       : flex;
        flex-direction: column;
        align-items   : center;
        margin-top    : 20px;
    }

    .case-lists-phone-desc-item-img {
        width        : 20px;
        height       : 20px;
        margin-bottom: 20px;
    }

    .case-lists-phone-desc-item-img img {
        width : 100%;
        height: 100%;
    }

    .case-lists-phone-desc {
        margin-top: 20px;
        width     : 66%;
    }

    .case-list-phone-item {
        width         : 100%;
        height        : 100%;
        display       : flex;
        flex-direction: column;
        align-items   : center;
        text-align    : center;

    }

    .case-list-phone-item:nth-child(1) {
        background: rgba(56, 104, 187, 0.6);

    }

    .case-list-phone-item:nth-child(2) {

        background: rgba(56, 104, 187, 0.4);
    }

    .case-list-phone-item:nth-child(3) {

        background: rgba(56, 104, 187, 0.9);
    }

    .case-list-phone {
        width    : 100%;
        /* height: 400px; */
    }

    .case-list-phone-content {
        width         : 100%;
        font-size     : 14px;
        font-family   : Microsoft YaHei;
        font-weight   : 400;
        color         : rgba(255, 255, 255, 1);
        display       : flex;
        flex-direction: column;
        align-items   : center;
    }

    .case-list-phone-item-box {
        margin-top: 43px;
        width     : 66%;
        height    : 450px;
        background: url("../img/anlibj.jpg") no-repeat;

    }



    .case-lists .section .container {
        width: 100%;

    }

    .case-lists .section .mode-list {

        height: 351px;


    }

    .mode-list .case-lists-item-view-desc {
        width      : 56px;
        font-size  : 8px;
        line-height: 15px;
        top        : 70px;
    }

    body .case-lists-item-detail-content {
        width         : 97%;
        margin-top    : -36px;
        flex-direction: column;
    }

    .mode-list .case-lists-item-detail-content-items-title {
        width     : 76px;
        margin-top: 7px;
    }

    .mode-list .case-lists-item-detail-content-items-descs {
        width      : 87px;
        line-height: 15px;
    }

    .mode-list .case-lists-item-view-title {
        width      : 44px;
        height     : 39px;
        font-size  : 19px;
        line-height: 43px;
        margin-top : 0px;
    }

    .section .mode-list .mode-item {
        height       : 351px;
        /* transition: all 0.1s; */
    }

    .mode-list .mode-wrap {
        height: 351px;
    }
}

* {
    margin : 0;
    padding: 0;
}

body {
    /* width: 100%; */

}

.case {
    /* width      : 100%; */
    padding-top    : 100px;
    display        : flex;
    flex-direction : column;
    align-items    : center;
    justify-content: center;
}

/* 背景画布 */



.case-header {
    width              : 100%;
    height             : 380px;
    font-size          : 45px;
    font-family        : Microsoft YaHei;
    font-weight        : 400;
    color              : rgba(255, 255, 255, 0.8);
    text-align         : center;
    line-height        : 380px;
    background         : url("../img/chenggonganli.png") no-repeat;
    background-size    : cover;
    background-position: 50%;

}

body .common_Big_box {
    width: 100%;

    display        : flex;
    justify-content: center;
}

.case-list-phone {
    display: none;
}

.case-list-phone-item-detail-box {
    width: 90%;
    height: 77%;
    overflow: auto;
    position: absolute;
    top: 50%;
    left: 53%;
    transform: translate(-50%,-50%);

}
.case-list-phone-item-detail-bigBox{
    width: 100%;
    display : none;
    height  : 100%;
    position: relative;
}
.case-list-phone-item-detail-bigBox:nth-child(1) {
    background: rgba(56, 104, 187, 0.6);

}

.case-list-phone-item-detail-bigBox:nth-child(2) {

    background: rgba(56, 104, 187, 0.4);
}

.case-list-phone-item-detail-bigBox:nth-child(3) {

    background: rgba(56, 104, 187, 0.9);
}
.case-list-phone-item-detail {
    width: 90%;
}

.case-phone-item-detail-content-items-icon {
    width : 30px;
    height: 30px;
}

.case-phone-item-detail-content-items-icon img {
    width : 100%;
    height: 100%;
}

.case-phone-item-detail-content-items-title {
    font-size: 20px;
}

.case-list-phone-item-box:nth-child(1) {
    background-position: 30% 100%;
}

.case-list-phone-item-box:nth-child(2) {
    background-position: 50% 100%;
}

.case-list-phone-item-box:nth-child(3) {
    background-position: 80% 100%;
}

.case-phone-item-detail-content-items {
    display       : flex;
    flex-direction: column;
    align-items   : center;
}

.case-lists {
    background: #262626;
    width     : 100%;

    height: 984px;

    display           : flex;
    /* justify-content: center; */
    flex-direction    : column;
    align-items       : center;
    padding           : 65px 0px;

}

.case-lists-title {
    padding     : 0 20px;
    line-height : 20px;
    height      : 20px;
    font-size   : 27px;
    font-family : Microsoft YaHei;
    font-weight : 400;
    color       : rgba(255, 255, 255, 1);
    text-align  : center;
    border-left : 1px solid #fff;
    border-right: 1px solid #fff;
}

/* .case-lists-content{
    width: 80%;
margin-top: 82px;
}
.section .container .mode-list .mode-item-1{
width: 30%;
}
.section .container .mode-list .mode-wrap{
width: 180%;
} */
.section {
    /* width          : 1500px; */
    display        : flex;
    justify-content: center;
    margin-top     : 62px;
}

.section .case-lists-container {
    /* width: 1200px; */


}




.case-lists-item-view-desc {
    /* margin-top: 38px; */
    width      : 127px;
    font-size  : 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color      : rgba(255, 255, 255, 1);
    line-height: 22px;
    position   : absolute;
    left       : 50%;
    top        : 115px;
    transform  : translate(-50%, 0);
}

.case-lists-item-view-desc-item {
    display       : flex;
    flex-direction: column;
    align-items   : center;
    margin-top    : 20px;
}

.case-lists-item-view-desc-item-img {
    width        : 20px;
    height       : 20px;
    margin-bottom: 12px;
}

.case-lists-item-view-desc-item-img img {
    width : 100%;
    height: 100%;
}

.case-lists-item-view-line {
    /* margin-top: 23px;
    width: 100%; */
}



.case-lists-item-detail {
    width         : 100%;
    display       : flex;
    flex-direction: column;
    align-items   : center;
}

.case-lists-item3-view-line {
    /* padding-left: 50px; */

}

.mode-wrap-hide {
    position           : absolute;
    width              : 2px;
    height             : 560px;
    background         : #262626;
    /* background-color: red; */
    right              : -1px;
    top                : 0;
}

.case-lists-item-detail-title {
    margin-top: 43px;
    width     : 60px;

    font-size    : 23px;
    font-family  : Microsoft YaHei;
    font-weight  : 400;
    color        : rgba(255, 255, 255, 1);
    border-bottom: 1px solid #6FA0ED;
    line-height  : 45px;
    text-align   : center;
}

.case-lists-item-detail-content {
    width          : 720px;
    display        : flex;
    margin-top     : 20px;
    justify-content: space-between;
}

.case-lists-item-detail-content-items {
    /* width         : 155px; */
    display       : flex;
    flex-direction: column;
    align-items   : center;
}

.case-lists-item-detail-content-items-icon {}

.case-lists-item-detail-content-items-icon img {
    width : 20px;
    height: 20px;
}

.case-lists-item-detail-content-items-title {
    margin-top : 17px;
    /* width   : 40px; */
    height     : 20px;
    font-size  : 15px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color      : rgba(255, 255, 255, 1);
    text-align : center;
}



.case-lists-item-detail-content-items-descs {
    margin-top : 20px;
    font-size  : 11px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color      : rgba(255, 255, 255, 0.8);

    overflow-y: auto;
    position  : absolute;
    left      : 0;
    top       : 0;
    right     : -19px;
    bottom    : 0;
}

.case-lists-item-detail-content-items-descs li {
    width: 209px;
}

.case-lists-item-detail-content-items-descs-box {
    width     : 210px;
    overflow-x: hidden;
    position  : relative;
    height    : 325px;
}

.case-lists-item-line {
    /* margin-top: 28px; */
    width          : 100%;
    position       : absolute;
    left           : 50%;
    transform      : translateX(-50%);
    bottom         : 20px;
    display        : flex;
    justify-content: center;
    /* margin-left : 58px; */
}





.main-item-content>li .item-title:after {
    content   : "";
    display   : block;
    margin    : 10px auto 0;
    width     : 50px;
    height    : 2px;
    background: #6FA0ED;
}

.main-item-content-wrap-box {
    position: relative;
}

.main-item-content {
    display   : -ms-flexbox;
    display   : flex;
    height    : 560px;
    box-sizing: border-box;
    background: url(../img/anlibj.jpg) bottom center no-repeat;
}

.main-item-content-wrap {
    margin-top: 60px;
}

.main-item-content-wrap .main-item-content {
    margin   : auto;
    max-width: 1200px;
}

.main-item-content>li {
    overflow        : hidden;
    width           : 20%;
    background-color: rgba(56, 104, 187, 0.8);
    transition      : all .5s;
}


.main-item-content>li:nth-child(2) {
    background-color: rgba(56, 104, 187, 0.4);
}

.main-item-content>li:nth-child(3) {
    background-color: rgba(11, 57, 135, 0.8);
}

.main-item-content>li.active {
    width: 80%;
}

.main-item-content>li .item-content {
    position      : relative;
    margin        : 0 40px;
    height        : 530px;
    border-bottom : 1px solid #fff;
    display       : flex;
    flex-direction: column;
    align-items   : center;
}

.main-item-content>li.active .item-content {
    border-bottom: 1px solid #fff;
}

.main-item-content>li .item-title {
    padding-top: 40px;
    color      : #fff;
    font-size  : 24px;
    font-weight: 500;
    text-align : center;
}

.main-item-content>li .item-info {
    position   : absolute;
    left       : 50%;
    margin     : 24px auto 0 -83px;
    width      : 160px;
    color      : #fff;
    font-size  : 14px;
    line-height: 24px;
    opacity    : 1;
    transition : all .5s;
    top        : 115px;
}

.main-item-content>li.active .item-info {
    opacity   : 0;
    transition: all .1s;
}

ul {
    list-style: none;
}

.main-item-content>li .item-more-info {
    display        : -ms-flexbox;
    display        : flex;
    -ms-flex-pack  : justify;
    justify-content: space-between;
    width          : 660px;
    text-align     : center;
    color          : #fff;
    opacity        : 0;
    transition     : opacity .1s;
    margin-left    : 19px;
}

.main-item-content>li.active .item-more-info {
    display   : -ms-flexbox;
    display   : flex;
    opacity   : 1;
    transition: all .5s;
}

.main-item-content>li .item-more-info>li {
    margin-right: 20px;
    width       : 140px;
}



.main-item {
    padding-top: 60px;
}

.main-item-content>li .item-content:after {
    content      : '';
    display      : block;
    position     : absolute;
    bottom       : -5px;
    right        : -10px;
    width        : 8px;
    height       : 8px;
    border-radius: 50%;
    border       : 2px solid #fff;
}

.main-item-content>li.active .item-content:after {
    border: 2px solid #fff;
}

.main-item-content>li:nth-child(3) .item-content:after {
    right: auto;
    left : -10px;
}

.main-item-content>li:nth-child(2) .item-content:before {
    content      : '';
    display      : block;
    position     : absolute;
    bottom       : -5px;
    right        : -10px;
    width        : 8px;
    height       : 8px;
    border-radius: 50%;
    border       : 2px solid #fff;
}

.main-item-content>li:nth-child(2) .item-content:after {
    right: auto;
    left : -10px;
}

.common-footer {
    width: 100%;
}

.common-header {
    width   : 100%;
    position: fixed;
    top     : 0;
    z-index : 1;
}