<?php
$author_id = get_the_author_meta('ID');

$items = get_field('areas_of_contribution', 'user_' . $author_id);

if (empty($items)) {
    return;
}

echo '<div style="display:flex; flex-wrap:wrap; gap:8px;">';

foreach ($items as $item) {
    echo '<span style="
        background:#e8f1fd;
        color:#1a56a8;
        padding:3px 10px;
        border-radius:20px;
        font-size:11.5px;
        font-weight:600;
    ">' . esc_html(trim($item)) . '</span>';
}

echo '</div>';
?>