{# ── 测验区 ── #}
{% if quizzes %}
<div class="section">
    <h3 class="section-title">📝 理解度测验</h3>
    {% for quiz in quizzes %}
    <div class="quiz-block">
        <div class="quiz-header">
            第{{ loop.index }}题
            {% if quiz.difficulty %}
            <span style="font-weight: normal; font-size: 9pt;">
                {% if quiz.difficulty == 'easy' %}⭐{% elif quiz.difficulty == 'medium' %}⭐⭐{% else %}⭐⭐⭐{% endif %}
            </span>
            {% endif %}
        </div>
        <div class="quiz-question">{{ quiz.question_cn }}</div>
        {% if quiz.options_cn %}
        <ul class="quiz-options" style="list-style: none; padding-left: 0;">
            {% for option in quiz.options_cn %}
            <li>{{ option }}</li>
            {% endfor %}
        </ul>
        {% endif %}
        {% if quiz.answer %}
        <div class="quiz-answer">
            <strong>答案：</strong>{{ quiz.answer }}
            {% if quiz.source %}
            <span style="margin-left: 10px; font-size: 8pt; opacity: 0.7;">来源：{{ quiz.source }}</span>
            {% endif %}
        </div>
        {% endif %}
    </div>
    {% endfor %}
</div>
{% endif %}