.page-banner {

    width: 100%;

    height: 700px;

    background-size: cover;

    background-position:center center;

    padding-top: 310px;

}

.page-title {

    font-size: 40px;

    font-weight: 900;

    color: #fff;

}

.content-item {

    width: 1540px;

    margin-left: auto;

    margin-right: auto;

}

.page-banner-line {

    width: 36px;

    height: 6px;

    margin-top: 20px;

    margin-left: 60px;

    background-color: #fff;

}

.page-navs {

    width: 100%;

    height: 70px;

    background-color: rgba(243, 243, 243, 1);

}

.page-nav-item {

    width: 196px;

    display: inline-block;

    text-align: center;

    font-size: 18px;

    font-weight: 700;

    color: rgba(153, 153, 153, 1);

    padding: 22px 0;

}

.page-nav-item.active {

    background-color: rgba(202, 24, 120, 1);

    color: #fff;

}

.column-child {

    margin-top: -80px;

    padding-top: 80px;

}

.page-content {

    margin-top: 80px;

    margin-bottom: 80px;

}

.articles-list {

    display: flex;

    flex-wrap: wrap;

    justify-content: space-between;

}

.artilce-item {

    width: 360px;

    height: 500px;

    border: 1px solid #F3F3F3;

    border-radius: 4px;

    padding: 45px 25px;

    margin-bottom: 36px;

    text-align: center;

}

.article-image {

    width: 280px;

    height: 340px;

    overflow: hidden;

    margin-left: auto;

    margin-right: auto;

}

.article-image img {

    width: 100%;

}

.article-subtitle {

    font-family: 'Source Han Sans CN';

    font-style: normal;

    font-weight: 400;

    font-size: 16px;

    line-height: 16px;

    color: rgba(153, 153, 153, 1);

    margin-top: 30px;

}

.article-title {

    font-family: 'Source Han Sans CN';

    font-style: normal;

    font-weight: 400;

    font-size: 18px;

    line-height: 18px;

    margin-top: 16px;

}

@media (max-width:1540px) {

    .content-item {

        width: 1080px;

    }

    .artilce-item {

        width: 320px;

        height: 400px;

        border: 1px solid #F3F3F3;

        border-radius: 4px;

        padding: 5px 15px;

        margin-bottom: 36px;

    }

    .article-image {

        width: 250px;

        height: 290px;

        overflow: hidden;

        margin-left: auto;

        margin-right: auto;

    }

}

.rongyujiangxiang-content{ display:none}
.article-image{display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;}