.case-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    margin: 20px auto;
}

ul,
li {
    list-style: none;
}

.pos-rel {
    position: relative;
}

.txt {
    position: absolute;
    top: 100px;
    right: 300px;
    color: hsla(0, 0%, 100%, .286);
    width: 300px;
    line-height: 30px;
}

.xzn-case-tabs {
    display: flex;
}

.case-border {
    border: 1px solid #dcdfe6;
    box-shadow: 0 2px 4px 0 rgb(0 0 0 / 12%), 0 0 6px 0 rgb(0 0 0 / 4%);
}

.xzn-case-tabs-item {
    background-color: #9092984d;
}

.xzn-case-plr20 {
    padding: 16px 20px;
    cursor: pointer;
    color: #6f6f6f;
}

.case_item_active {
    background: #fff;
    color: #48bdfd;
    border: 1px solid #b3b3b3;
    border-bottom: none;
    border-top: none;
}

.none-left-border {
    border-left: none;
}

.none-right-border {
    border-left: none;
}

.case__view_content {
    display: none;
    padding: 15px;

}

.case_view_content-active {
    display: block;
}

.case-main-content {
    background-color: #48bdfd;
    height: 55px;
    padding: 0 20px;
    display: flex;
    color: #fefefe;
    align-items: center;
    margin-top: 10px;
    margin-bottom: 10px;
}

.case-mb20 {
    background-color: #48bdfd;
    height: 60px;
    padding: 0 20px;
    display: flex;
    color: #fefefe;
    align-items: center;
}

.big-data-plate {
    display: flex;
    justify-content: center;
}

.big-data-plate-left {
    display: flex;
    flex-wrap: wrap;
    justify-content: right;
    width: 300px;
}

.case-big-data {
    width: 100%;
}

.case-big-data {
    color: #ff0000;
}

.case-big-data-title {
    font-size: 18px;
}

.case-big-mr10 {
    margin-right: 10px;
}

.case-big-mb50 {
    margin-bottom: 50px;
}

.case-big-plr20 {
    padding: 0 20px;
}

.authent-box {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 30px;
    text-align: center;
}

.authent-mt30 {
    margin-top: 30px;
}

.authent-box>div>img {
    width: 65%;
    padding-top: 15px;
}

.data-big-img-txt {
    line-height: 32px;
    font-size: 20px;
    font-weight: 500;
    color: #419001;
}

.data-big-img-div {
    color: #c6c6c6;
    font-size: 14px;
    line-height: 26px;
}

.case-introduce {
    width: 80%;
    margin: 0 auto;
    margin-top: 30px;
    text-align: center;
    line-height: 32px;
    font-size: 18px;
    color: silver;
}

.medical-box {
    width: 90%;
    margin: 0 auto;
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
}

.medical-img {
    width: 48%;
    height: 300px;
    padding: 10px;
}

.medical-height {
    min-height: 850px;
}

.map-box {
    width: 100%;
    display: flex;
    flex: 1;
    margin-top: 30px;
}

.left {
    width: 33%;
}

.left>div {
   width: 100%;
   height: 270px;
   padding: 20px;
}
.left>div>img {
   width: 100%;
   height: 100%;
}

.right {
    width: 64%;
}

.right-low-img {
    width: 100%;
    padding: 20px;
    margin-left: 1%;
    height: 270px;
}

.right-up-img {
    width: 99%;
    padding: 20px;
    margin-left: 1%;
    height: 580px;
}

.right-low-img>img:nth-child(1) {
    margin-right: 1%;
    width: 49%;
    height: 100%;
}

.right-low-img>img:nth-child(2) {
    width: 49%;
    height: 100%;
}

.img-max {
    width: 100%;
    height: 100%;
}
.learn-box{
   margin-top: 30px;
   width: 99%;
   display: flex;
   flex-wrap: wrap;
}
.learn-box .learn-img {
   width: 48%;
   margin: 0 1%;
   display: flex;
}
.learn-box .learn-img>img {
   width: 60%;
   margin-right: 1%;
   height: 270px;
}

.learn-box .learn-img>div {
   padding: 20px 10px;
}
.learn-box .learn-img>div>p {
   font-size: 18px;
   font-weight: 500;
   line-height: 48px;
}
.learn-box .learn-img>div>span {
   line-height: 30px;
   padding-left: 16px;
}
/*

.case-list .case-item {
 position: relative;
 width: 544px;
 height: 306px;
 margin-bottom: 16px;
 margin-right: 16px;
 overflow: hidden;
 border-radius: 4px;
}
.case-list .case-item img{
   width: 100%;
   height: 100%;
}

.case-item:hover::after{
   width: 100%;
   height: 100%;
   content: '';
   display: inline-block;
   background: #343435;
   transition: all .4s ease-in-out;
   opacity: .2;
   z-index: 5;
   position: absolute;
   top: 0;
   left: 0;
   cursor: pointer;
}

.case-item:hover img{
   transform: scale(1.1);
   opacity: .6;
   transition: all .4s ease-in-out;
   overflow: hidden;
}

.case-list .case-item h4 {
 font-size: 30px;
 font-weight: 400;
 color: #fff;
 line-height: 80px;
 text-shadow: 0 2px 0 rgba(4, 22, 43, 0.78);
 position: absolute;
 left: 50%;
 top: 50%;
 z-index: 3;
 transform: translate(-50%, -50%);
} */


.case-item {
    width: 500px;
    text-align: center;
    border-radius: 6px;
    margin-right: 20px;
    margin-top: 20px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .05), 0 2px 3px 0 rgba(0, 0, 0, .1);
    -webkit-box-shadow: 0 0 0 1px rgba(0, 0, 0, .05), 0 2px 3px 0 rgba(0, 0, 0, .1);
    user-select: none;
}

.case-item h4 {
    padding: 10px 0px
}

.case-item a {
    text-decoration: none;
    color: #111;
    cursor: pointer;
    font-weight: 500;
}

.case-item a:hover {
    color: #48bdfd;
}

.case-item img {
    width: 500px;
    height: 280px;
    border-radius: 6px;
}

@media (max-width: 768px) {
    .case-list {
        padding: 10px;
    }

    .case-list .case-item {
        width: 280px;
        margin: 16px auto;
        overflow: hidden;
    }

    .case-list .case-item img {
        width: 100%;
        height: 150px;
    }

    .case-list .case-item h4 {
        font-size: 14px;
        line-height: 1.5em;
    }
}