荣誉徽章！每一次测验都是提升环保意识的机会。</p>
        
        <div class="quiz-levels">
            <div class="level-card" data-level="初学者">
                <div class="level-icon">🌱</div>
                <h3>初学者</h3>
                <p>基础垃圾分类知识</p>
                <div class="level-difficulty">
                    <span class="difficulty-dot active"></span>
                    <span class="difficulty-dot"></span>
                    <span class="dif