{# ── 工具清单（技术教程专用）── #}
{% if tool_stack %}
<div class="section">
    <h3 class="section-title">🧰 工具与资源清单</h3>
    <div class="content-block">
        {% for tool in tool_stack %}
        <div class="tool-card">
            <strong>{{ tool.name }}</strong>：{{ tool.purpose }}
            {% if tool.barrier %}
            <br><span style="color: #dc3545; font-size: 9pt;">⚠ {{ tool.barrier }}</span>
            {% endif %}
        </div>
        {% endfor %}
    </div>
</div>
{% endif %}