<?php $args = array(
    'category_name'  => 'rfo', // или 'category_id' => X
    'posts_per_page' => 1,
    'orderby'       => 'date',
    'order'         => 'DESC'
);

$last_post = new WP_Query($args);

if ($last_post->have_posts()) {?>

    <div class="content-rfo">

    <?//while ($last_post->have_posts()) {?>
    
        <div class="article-item-wrapper__rfo">
        <div class="land-cart-title">
            <div class="land-cart-title__text">Интервью</div>
            <div class="land-cart-title__arrow"></div>
        </div>
            <div class="article-item-rfo item-rfo-zh">
                
                   
                
            </div>    

        </div>    


    <?//}?>
    </div>
    <?wp_reset_postdata(); // Сбрасываем данные поста
}