.v4-body {
    background-color: #f5f7fa;
}
.v4-news-page {
    width: 100%;
    background: url("https://www.sciopen.com/assets/img/articles_bg-e25ed8fd164c457caedd2a904dc530c5.png") no-repeat;
    background-size: contain;
    padding-bottom: 32px;
}
.v4-news-page-news {
    background: url("https://www.sciopen.com/assets/img/news_bg-5a23a8ae96d7a9786fe92af65df209b9.png") no-repeat;
}
.v4-news-detail {
    max-width: 1240px;
    width: 100%;
    margin: 0 auto;
    min-height: 530px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 32px;
    flex-wrap: wrap;
}

.v4-news-detail-left {
    width: calc(100% - 376px);
    background-color: #FFFFFF;
    box-sizing: border-box;
    padding: 48px 28px;
    border: 1px solid #e7e8e8;
}

.v4-news-detail-title {
    font-size: 20px;
    font-weight: 500;
    color: #000000;
    line-height: 28px;
    font-family: 'PlayfairDisplay-Bold';
}
.v4-news-detail-sub {
    width: 100%;
}
.v4-sub-subhead {
    margin-top: 20px;
    font-family: 'Inter-Regular';
    font-size: 14px;
    color: #666;
}
.v4-sub-source {
    margin-top: 10px;
    font-family: 'Inter-Regular';
    font-size: 14px;
    color: #666;
}

.v4-news-detail-date {
    font-size: 14px;
    font-weight: 400;
    color: #333333;
    text-align: right;
    margin-top: 10px;
    font-family: 'Inter-Regular';
}

.v4-news-detail-dsc {
    margin-top: 20px;
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding-bottom: 24px;
    border-bottom: 2px solid #e5e5e5;
    flex-wrap: wrap;
}

.v4-dsc-left {
    margin-right: 20px;
    flex: 1;
}

.v4-dsc-left-item {
    position: relative;
    padding-left: 12px;
    margin-bottom: 28px;
}

.v4-dsc-left-item a{
    line-height: 1;
}

.v4-dsc-left-item:last-child {
    margin-bottom: 0;
}

.v4-dsc-left-name {
    color: #999999;
    font-size: 14px;
    line-height: 1;
    font-family: 'Inter-Medium';
    margin-bottom: 5px;
}

.v4-dsc-left-name::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 100%;
    left: 0;
    top: 0;
    background-color: #76a9d6;
}

.v4-dsc-item-active .v4-dsc-left-name::before {
    background-color: #192d79;
}

.v4-dsc-left-item a {
    color: #999999;
    font-size: 12px;
    transition: all .3s;
    text-decoration: underline;
    font-family: 'Inter-Italic';
    font-style: italic;
    display: block;
}

.v4-dsc-left-item a:hover {
    color: #3158fa;
}

.v4-dsc-img {
    width: 65%;
    border: 1px solid #ebebeb;
}

.v4-dsc-img img {
    width: 100%;
}

.v4-news-detail-content {
    margin-top: 20px;
    width: 100%;
    overflow: hidden;
    font-family: 'Inter-Regular';
}
.v4-news-detail-content *{
    font-family: 'Inter-Regular';
}

.v4-news-detail-right {
    width: 360px;
    flex-shrink: 0;
    background-color: #FFFFFF;
    padding: 50px 26px 26px 26px;
    border: 1px solid #e7e8e8;
}

.v4-news-detail-ar {
    color: #3158fa;
    font-size: 16px;
    padding-bottom: 3px;
    font-family: 'PlayfairDisplay-Bold';
    border-bottom: 1px solid #e7e8e8;
}

.v4-news-detail-list {
    width: 100%;
    list-style: none;
}

.v4-news-detail-list li {
    padding: 9px 0;
    border-top: 1px solid #e5e5e5;
}

.v4-news-detail-list li:last-child {
    border-bottom: none;
}

.v4-news-detail-list li a {
    color: #333333;
    font-size: 16px;
    line-height: 1.6;
}

.v4-list-title {
    margin: 0;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: 'Inter-Regular';
    font-size: 14px;
    color: #333;
}

.v4-list-date {
    width: 100%;
    line-height: 1.6;
    font-size: 12px;
    color: #666666;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.v4-list-date span {
    line-height: 1.6;
    font-size: 12px;
    color: #666666;
    font-family: 'Inter-Regular';
}

.v4-news-line {
    margin: 0 10px;
    display: inline-block;
    width: 1px;
    height: 0.75em;
    background-color: #333333;
}

.v4-news-detail-img {
    width: 100%;
}

@media (max-width: 1024px) {
    .v4-news-detail-left {
        width: 100%;
    }
    .v4-news-detail-right {
        width: 100%;
        margin-top: 15px;
    }
    .v4-news-detail-left, .v4-news-detail-right {
        padding: 32px 10px 32px 10px;
    }
}

@media (max-width: 900px) {
    .v4-dsc-img {
        margin-top: 24px;
        width: 100%;
    }
    .v4-dsc-img img {
        width: 100%;
    }
}