article {
    --four_col_width: 308px;
    --four_col_height: 154px;
    --five_col_width: 243px;
    --five_col_height: 340px;
    --four_col_gap: 16px;
    --five_col_gap: 16.25px;
    margin-top: var(--header_height);
}

.clearfix::after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.four-col {
    width: var(--four_col_width);
    margin-left: var(--four_col_gap);
}

.five-col {
    width: var(--five_col_width);
    margin-left: var(--five_col_gap);
}

.four-col a.img {
    height: var(--four_col_height);
}

.five-col a.img {
    height: var(--five_col_height);
}

article .news-summary-wrapper {
    min-width: 1280px;
    background: #f7f7f7;
    box-sizing: border-box;
    padding: 10px 0;
    margin-bottom: 20px;
}

article .news-summary-wrapper .summary-content {
    width: 1280px;
    margin: 0 auto;
    overflow: hidden;
}

article .news-summary-wrapper .summary-content .title {
    font-size: 18px;
    line-height: 32px;
}

article .news-summary-wrapper .summary-content .summary {
    font-size: 14px;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}

article .news-summary-wrapper .summary-content .title, article .news-summary-wrapper .summary-content .summary {
    margin: 0;
    padding: 0;
    color: #666666;
}

article .list-wrapper {
    width: 1280px;
    margin: 0 auto;
    min-height: 540px;
    /* *zoom: 1; */
}

article .list-wrapper ul {

}

article .list-wrapper ul .cell {
    float: left;
    margin-bottom: 20px;
}

article .list-wrapper ul .cell.five-col:nth-child(5n+1) {
    margin-left: 0;
}
article .list-wrapper ul .cell.four-col:nth-child(4n+1) {
    margin-left: 0;
}

article .list-wrapper ul .cell a.img {
    display: block;
    overflow: hidden;
}

article .list-wrapper ul .cell a.img img {
    display: block;
    height: 100%;
    width: 100%;
}

article .list-wrapper ul .cell:hover a.img  img {
    transition: all 0.3s linear;
    transform: scale(1.1);
}

article .list-wrapper ul .cell .title {
    height: 20px;
    margin: 10px 0 6px;
    font-size: 14px;
    line-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    -o-text-overflow: ellipsis;
    white-space: nowrap;
}

article .list-wrapper ul .cell .title a {
    color: #333333;
}

article .list-wrapper ul .cell:hover .title a {
    color: #f38621;
}

article .list-wrapper ul .cell .abstract {
    margin: 0;
    font-size: 14px;
    line-height: 26px;
    height: 52px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

article .list-wrapper ul .cell .abstract a {
    color: #666;
}

@media only screen and (max-width: 640px) {
    article {
        --four_col_width: 308;
        --four_col_height: 154;
        --five_col_width: 243;
        --five_col_height: 340;
        --col_width: 48vw;
        --col_gap: 1vw;
        padding-bottom: 20px;
    }

    article .news-summary-wrapper {
        width: 100vw;
    }

    article .list-wrapper {
        width: 100vw;
    }

    article .list-wrapper ul .cell {
        width: var(--col_width);
        margin: 0 var(--col_gap) 20px !important;
    }

    .row .col.four-col a.img {
        height: calc(var(--col_width)*var(--four_col_height)/var(--four_col_width));
    }

    .row .col.five-col-big a.img {
        height: calc(var(--col_width)*var(--five_col_height)/var(--five_col_width));
    }
}