.pro_w{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.pro_bt{
    width: 19%;
    display: flex;
    flex-direction: column;
    border-top: solid 4px #19469A;
    padding-top: 2%;
}
.pro_bt span{
    display: block;
    border-bottom: solid 1px #eee;
    padding-bottom: 20px;
    margin-bottom: 20px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pro_bt span:nth-child(1),
.pro_bt span:nth-child(2),
.pro_bt span:nth-child(3),
.pro_bt span:nth-child(4){
}
.pro_bt span:after{content:'';background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2023011119455163273/cms/image/1da81a42-5741-44b0-96e2-4a8b6a0b6aa5.png_290xaf.png?1678075062040);background-repeat: no-repeat;width: 9px;height: 16px;display: block;}
.pro_bt span:hover,.pro_bt span.on{
    color: #003894;
}
.pro_bt span:hover:after,.pro_bt span.on:after{content:'';background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2023011119455163273/cms/image/98219f03-e648-4643-8ee1-3ee76ffeb3ec.png_290xaf.png?1678075153738);}
.pro_list{
    width: 76%;
}
.pro_listw{
    display: none;
}
.pro_listw.active{
    display: block;
}
.pro_btnr{
}
.pro_btnr h2{
    color: #003894;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
}
.pro_btnr p{
    line-height: 1.8;
    font-size: 16px;
    width: 100;
    color: #666;
}
.pro_btnr a{width: 177px;height: 43px;background: #19469A;display: block;font-size: 14px;font-family: Microsoft YaHei;font-weight: 400;color: #FFFFFF;text-align: center;line-height: 43px;margin-top: 3%;}
.nav_pro_erji_lb{
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: 100%;
    margin-top: 2%;
}
.nav_pro_erji_lb li{
    width: 19%;
    border: solid 1px #eee;
    padding: 0% 2%;
    padding-bottom: 2%;
    margin-right: 1%;
    margin-bottom: 1%;
}

.nav_pro_erji_lb li:nth-child(1),
.nav_pro_erji_lb li:nth-child(2),
.nav_pro_erji_lb li:nth-child(3){
    display: block;
}
.nav_pro_erji_lb li a{}
.nav_pro_erji_lb li img{
    width: 100%;
    display: none;
}
.nav_pro_erji_lb li img:nth-child(1){
  display: block;
}
.nav_pro_erji_lb li h4{
    text-align: center;
    font-size: 14px;
    margin-top: 4%;
    -webkit-line-clamp: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case_list{}
.case_list_nr{}
.case_list_nrw{
    display: none;
    position: relative;
}
.case_list_nrw.active{
    display: block;
}
.case_list_nrw .img{}
.case_list_nrw .img img{
    width: 100%;
}
.case_list_nr_t{
    position: absolute;
    top: 0%;
    z-index: 8;
    padding: 5% 5%;
}
.case_list_nr_t h3{
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #FFFFFF;
    margin-top: 6%;
}
.case_list_nr_t p{
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 30px;
    width: 50%;
    margin-top: 2%;
}
.case_list_nr_t a{
    color: #fff;
    border-bottom: solid 1px #eee;
    padding-bottom: 10px;
    margin-top: 6%;
    display: inline-block;
    padding-right: 40px;
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2022122717073382093/cms/image/8e575653-77e1-4e14-b352-cded80397628.png_290xaf.png?1680230158874) center right;
  background-repeat: no-repeat;;;
}
.case_bt{}
.case_bt .case_bta{
    font-size: 97px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgb(0 0 0 / 0%);
    line-height: 40px;
    opacity: 1;
    -webkit-text-stroke: 1px #4c4c4c;
}
.case_bt .case_btb{
    font-size: 48px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #19469A;
    margin-top: -29px;
    position: relative;
    z-index: 9;
    color: #fff;
}

.case_list_bt{
    position: absolute;
    bottom: 0%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.case_list_btw{
    width: 20%;
    background: rgb(0 0 0 / 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2% 0%;
    transition: all ease .5s;
}
.case_list_btw:hover,.case_list_btw.on{background: #19469a;}
.case_list_btw h3{
    color: #fff;
    font-size: 20px;
    margin: 0%;
}
.case_list_btw img{}



@media (max-width: 1080px){
.pro_bt {
    width: 25%;
    display: flex;
    flex-direction: column;
    display: none;
}
  .pro_list {
    width: 100%;
}
  .pro_btnr {
    background: #f5f5f5;
    padding: 4%;
    display: none;
}
  .nav_pro_erji_lb {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
    margin-top: 2%;
}
  .nav_pro_erji_lb li {
    width: 46%;
    border: solid 1px #eee;
    padding: 0% 2%;
    display: block;
    padding-bottom: 2%;
    margin: 2%;
}
  .case_bt .case_bta {
    font-size: 42px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: rgb(0 0 0 / 0%);
    line-height: 40px;
    opacity: 1;
    -webkit-text-stroke: 1px #4c4c4c;
}

  .case_bt .case_btb {
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #19469A;
    margin-top: -29px;
    position: relative;
    z-index: 9;
    color: #fff;
}
  .case_list_btw h3 {
    color: #fff;
    font-size: 20px;
    margin: 0%;
    display: none;
            
}
  
  .case_list_nr_t p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 30px;
    width: 100%;
    margin-top: 2%;
    word-break: break-all;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
  .case_list_nrw .img img {
    width: 200%;
}
  .case_list {
    width: 100%;
    overflow: hidden;
}
}