.header-image img {
    width: 100%;
    height: 500px;
}
.exh-pag{
    margin-top: 80px
}
.pagination {
    width: 100%;
    height: 3.75vw;
    background: linear-gradient(90deg, rgba(35, 163, 249, .36) 0%, rgba(68, 104, 230, .36) 100%);
    display: flex;
    align-items: center;
    justify-content: center;

}

li {
    list-style-type: none;
}

.pagination-ul {
    width: 75vw;
    height: 100%;
    display: flex;
    align-items: center;
}

.pagination-ul li {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: PingFang SC Bold;
    font-weight: 700;
    font-size: .9375vw;
    text-align: center;
    color: #363636;
    position: relative;
    margin-right: 3.125vw;
    cursor: pointer;
}

.exhibit-video {
    margin: auto;
    width: 75vw;
    z-index: 1;
}

.exhibit-video video {
    background-color: aqua;
    width: 75vw;
    height: 23.125vw;
    border-radius: 1.25vw;
}

.exhibit-text {
    line-height: 1.75em;
    text-indent: 2em;
}

.liu_you {
    -webkit-text-size-adjust: auto;
}

.exhibit-box {
    box-sizing: border-box;
    padding: 20px;
    margin: auto;
    width: 60%;
    border-radius: 1.25vw;
    overflow: hidden;
    background-color: blanchedalmond;
}

.exhibit-box-left {
    display: flex;
    justify-content: space-between;
}

.exhibit-box-right {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
}


.poc-center {
    width: 75vw;
    margin: 1vw auto auto;
    display: flex;
    flex-wrap: wrap;
    border-radius: 1vw;
}

.poc-center-item {
    width: 100%;
    margin-right: 1%;
    height: 23.125vw;
    position: relative;
    margin-right: 1.5vw;
    border-radius: 1vw;
    background: url("https://uc.hljstm.org.cn/webpublic/uploadfiles/article_img/20221110/202211101109266225.jpg");
}

.poc-center-item-mask {
    width: 100%;
    height: 100%;
    background: #1a64e0;
    position: absolute;
    border-radius: 1vw;
}

.poc-center-item-mask-title {
    font-weight: 700;
    font-size: 1.25vw;
    line-height: 1.5625vw;
    color: #fff;
    margin: 2.5vw 0.8vw;
    z-index: 1;
    text-align: center;
}

.poc-center-item-mask-desc {
    font-weight: 400;
    font-size: .83333vw;
    line-height: 1.5625vw;
    color: #fff;
    opacity: .84;
    /*max-width: 10.66667vw;*/
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0.8vw 0 0.8vw;
    margin-top: 4vw;
    text-align: left;

}
@media screen and (max-width: 600px) {
    .exh-pag{
    margin-top: 170px
}
    .pagination {
    width: 100%;
    height: 100px;
    background: linear-gradient(90deg, rgba(35, 163, 249, .36) 0%, rgba(68, 104, 230, .36) 100%);
    display: flex;
    align-items: center;
    justify-content: center;

}
.pagination-ul {
    width: 100%!important;
    height: 100%;
    display: flex;
    align-items: center;
}

.pagination-ul li {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: PingFang SC Bold;
    font-weight: 700;
    font-size: 34px!important;
    text-align: center;
    color: #363636;
    position: relative;
    margin-right: 3.125vw;
    margin-left: 20px;
    cursor: pointer;
}
.exhibit-box {
    box-sizing: border-box;
    padding: 20px;
    margin: auto;
    width: 95%;
    border-radius: 1.25vw;
    overflow: hidden;
    background-color: blanchedalmond;
}
.section-title .title-center .title{
    font-size: 40px;
    font-weight: bold;
    color: #000;
}
.exhibit-video {
    margin: auto;
    width: 95%;
    z-index: 1;
}

.exhibit-video video {
    background-color: aqua;
    width:100%;
    height: 23.125vw;
    border-radius: 1.25vw;
}
.exhibit-video span{
    font-size: 38px!important;
}
.poc-center-item {
    width: 100%;
    margin-right: 1%;
    height: 400px;
    position: relative;
    margin-right: 1.5vw;
    border-radius: 1vw;
    background: url("https://uc.hljstm.org.cn/webpublic/uploadfiles/article_img/20221110/202211101109266225.jpg");
}
.poc-center-item-mask{
    width: 100%;
    height: 100%;
    background: #1a64e0;
    position: absolute;
    border-radius: 1vw;
}
.poc-center-item-mask-title {
    font-weight: 700;
    font-size: 34px;
    line-height:35px;
    color: #fff;
    margin: 2.5vw 0.8vw;
    z-index: 1;
    text-align: center;
}

.poc-center-item-mask-desc {
    font-weight: 400;
    font-size: 30px;
    line-height: 28px;
    color: #fff;
    opacity: .84;
    /*max-width: 10.66667vw;*/
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0.8vw 0 0.8vw;
    margin-top: 4vw;
    text-align: left;

}
.exhibition-tips{
    font-size: 38px!important;
}
.exhibition-tips span{
    font-size: 38px!important;
}
.exhibit-box-left {
    display: flex;
    justify-content: space-between;
}

.exhibit-box-right {
    display: flex;
    justify-content: space-between;
    margin-top: 6px;
}


.exhibit-box-left .poc-center {
    width: 50%;
    margin: 1vw auto auto;
    display: flex;
    flex-wrap: wrap;
    border-radius: 1vw;
}

.exhibit-box-right  .poc-center {
    width: 33%;
    margin: 1vw auto auto;
    display: flex;
    flex-wrap: wrap;
    border-radius: 1vw;
}
}