.split-related-product.article-modal__mod .description {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

@media only screen and (min-width: 1281px) {
    .split-related-product.article-modal__mod .description {
        -webkit-line-clamp: 6;
    }
}