.adv-qna-box { border: 1px solid #ccc; padding: 15px; margin-bottom: 20px; border-radius: 10px; }
.qna-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.user-img { width: 30px; height: 30px; border-radius: 50%; }
.qna-category { font-weight: bold; }
.qna-options { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.qna-option { padding: 10px; border: 1px solid #ccc; cursor: pointer; border-radius: 5px; }
.qna-option.correct { background-color: #d4edda; border-color: #28a745; }
.qna-option.incorrect { background-color: #f8d7da; border-color: #dc3545; }
.qna-explain.hidden { display: none; }
.qna-actions { margin-top: 10px; }
.share-buttons a { margin-right: 10px; }