diff --git a/landing/index.html b/landing/index.html
index cd97081..87b4536 100644
--- a/landing/index.html
+++ b/landing/index.html
@@ -921,6 +921,35 @@
         </div>
       </div>
     </div>
+
+    <div class="key-section" style="margin-top: 24px; background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(139,92,246,0.05)); border-color: rgba(59,130,246,0.15);">
+      <h3><svg><use href="#ico-key"/></svg>DashScope API Key 配置</h3>
+      <p class="desc">UDE 诊断中的向量化聚类需要阿里云 DashScope text-embedding-v4 模型。费用极低（约 ¥0.1/千条）。</p>
+
+      <div class="key-steps">
+        <div class="key-step">
+          <div class="key-step-num" style="background:#3b82f6;">1</div>
+          <div class="key-step-text">
+            <h4>开通百炼</h4>
+            <p>前往 <a href="https://bailian.console.aliyun.com/" target="_blank" style="color:#3b82f6;">阿里云百炼控制台</a> 开通并获取 API Key</p>
+          </div>
+        </div>
+        <div class="key-step">
+          <div class="key-step-num" style="background:#3b82f6;">2</div>
+          <div class="key-step-text">
+            <h4>告诉 Agent</h4>
+            <p>对 Agent 说「我的 DashScope Key 是 xxx」，它会自动保存到本地</p>
+          </div>
+        </div>
+        <div class="key-step">
+          <div class="key-step-num" style="background:#3b82f6;">3</div>
+          <div class="key-step-text">
+            <h4>用于 UDE 向量化</h4>
+            <p>Agent 在 UDE 诊断时自动调用，将消费者声音转为可聚类的语义向量</p>
+          </div>
+        </div>
+      </div>
+    </div>
   </div>
 </section>