       <button class="toggle-thumbnails" onclick="toggleThumbnails()" title="显示/隐藏缩略图 (T)">
            <i class="fas fa-th-large"></i>
        </button>

        <!-- 幻灯片缩略图 -->
        <div class="slide-thumbnails" id="slideThumbnails">
            {% for slide in project.slides_data %}
            <div class="thumbnail {% if loop.index == 1 %}active{% endif %}" 
                 onclick="goToSlide({{ loop.index0 }})" 
                 data-slide-index="{{ loop.index0 }}">
      