diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 30062fe6..c82e3aba 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -120,6 +120,15 @@ const routes: RouteRecordRaw[] = [
       title: 'Key Usage',
     }
   },
+  {
+    path: '/docs',
+    name: 'Docs',
+    component: () => import('@/views/docs/DocsView.vue'),
+    meta: {
+      requiresAuth: false,
+      title: 'PURO AI · 文档'
+    }
+  },
 
   // ==================== User Routes ====================
   {
diff --git a/frontend/src/views/docs/DocsView.vue b/frontend/src/views/docs/DocsView.vue
new file mode 100644
index 00000000..2fbdb100
--- /dev/null
+++ b/frontend/src/views/docs/DocsView.vue
@@ -0,0 +1,213 @@
+<template>
+  <div class="puro-page">
+    <div class="bg-glow soft"></div>
+
+    <nav class="nav">
+      <div class="container nav-inner">
+        <router-link to="/" class="brand"><span class="hex">⬢</span><span>PURO AI</span></router-link>
+        <div class="nav-links">
+          <router-link to="/">首页</router-link>
+          <a href="#codex">Codex</a>
+          <a href="#claude-code">Claude Code</a>
+          <a href="#curl">curl</a>
+        </div>
+        <div class="nav-cta">
+          <router-link to="/login" class="btn btn-primary">登录 →</router-link>
+        </div>
+      </div>
+    </nav>
+
+    <section class="docs-hero container">
+      <h1>快速接入 PURO AI</h1>
+      <p class="subtitle">三步走：拿 key → 配 base_url → 发请求</p>
+    </section>
+
+    <div class="container docs-body">
+      <section id="get-key" class="docs-section">
+        <h2>1. 获取 API key</h2>
+        <p>当前 PURO AI 不开放自助注册付费。联系管理员获取：</p>
+        <div class="callout">
+          <a href="mailto:admin@puro.im">admin@puro.im</a>
+        </div>
+        <p class="note">未来通过 iShare 入口开放订阅购买。</p>
+      </section>
+
+      <section id="codex" class="docs-section">
+        <h2>2. Codex CLI 接入</h2>
+        <p>修改 <code class="mono">~/.codex/config.toml</code>：</p>
+        <pre class="mono"><code>model_provider = <span class="str">"OpenAI"</span>
+model = <span class="str">"gpt-5.4"</span>
+wire_api = <span class="str">"responses"</span>
+
+[model_providers.OpenAI]
+name = <span class="str">"OpenAI"</span>
+base_url = <span class="str">"https://ai.puro.im"</span>
+wire_api = <span class="str">"responses"</span>
+requires_openai_auth = <span class="kw">true</span></code></pre>
+        <p>然后 <code class="mono">~/.codex/auth.json</code>：</p>
+        <pre class="mono"><code>{
+  <span class="str">"OPENAI_API_KEY"</span>: <span class="str">"sk-xxxxxxxxxxxxxxxx"</span>
+}</code></pre>
+        <p>验证：</p>
+        <pre class="mono"><code><span class="cm">$</span> codex exec --sandbox read-only <span class="str">"say hi"</span></code></pre>
+      </section>
+
+      <section id="claude-code" class="docs-section">
+        <h2>3. Claude Code 接入</h2>
+        <p>修改 <code class="mono">~/.claude/settings.json</code>：</p>
+        <pre class="mono"><code>{
+  <span class="str">"base_url"</span>: <span class="str">"https://ai.puro.im"</span>,
+  <span class="str">"api_key"</span>: <span class="str">"sk-xxxxxxxxxxxxxxxx"</span>
+}</code></pre>
+        <p class="note">Claude Code 通过 <code class="mono">/v1/messages</code> endpoint 调用 Anthropic 兼容 API。</p>
+      </section>
+
+      <section id="curl" class="docs-section">
+        <h2>4. curl 直连测试</h2>
+        <p>OpenAI Responses API：</p>
+        <pre class="mono"><code><span class="cm">$</span> curl https://ai.puro.im/responses \
+  -H <span class="str">"Authorization: Bearer sk-xxx"</span> \
+  -H <span class="str">"Content-Type: application/json"</span> \
+  -d <span class="str">'{"model":"gpt-5.4","input":"hello"}'</span></code></pre>
+        <p>Anthropic Messages API：</p>
+        <pre class="mono"><code><span class="cm">$</span> curl https://ai.puro.im/v1/messages \
+  -H <span class="str">"Authorization: Bearer sk-xxx"</span> \
+  -H <span class="str">"Content-Type: application/json"</span> \
+  -H <span class="str">"anthropic-version: 2023-06-01"</span> \
+  -d <span class="str">'{"model":"claude-opus-4-7","max_tokens":100,"messages":[{"role":"user","content":"hi"}]}'</span></code></pre>
+      </section>
+
+      <section id="models" class="docs-section">
+        <h2>5. 支持的模型</h2>
+        <ul class="model-list">
+          <li><code class="mono">gpt-5.4</code> · OpenAI（via ChatGPT Plus / Codex OAuth）</li>
+          <li><code class="mono">gpt-5.4-codex</code> · OpenAI Codex 专用</li>
+          <li><code class="mono">claude-opus-4-7</code> · Anthropic（via Claude Pro / Max OAuth）</li>
+          <li><code class="mono">claude-sonnet-4-6</code> · Anthropic</li>
+          <li><code class="mono">gemini-2.5-pro</code> · Google（via Code Assist OAuth）</li>
+          <li><code class="mono">gemini-2.5-flash</code> · Google</li>
+        </ul>
+        <p class="note">后端 pricing 表实时跟进 <code class="mono">model-price-repo</code>，完整清单登录后在 <router-link to="/dashboard">控制台</router-link> 查看。</p>
+      </section>
+
+      <section id="feedback" class="docs-section">
+        <h2>6. 问题反馈</h2>
+        <p>遇到问题或希望补接某个平台：</p>
+        <div class="callout">
+          <a href="mailto:admin@puro.im">admin@puro.im</a>
+        </div>
+      </section>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+// DocsView — public quickstart documentation
+// Route: /docs (no auth required)
+</script>
+
+<style scoped>
+/* =============================================================
+ * DocsView — component-local styles
+ * Globals from puro.css (scoped to .puro-page) provide:
+ * - .nav, .nav-inner, .brand, .hex, .nav-links, .nav-cta (nav base)
+ * - .mono, .btn, .btn-primary, .container (primitives)
+ * ============================================================= */
+
+.puro-page {
+  min-height: 100vh;
+  position: relative;
+}
+
+.docs-hero {
+  padding: 80px 24px 40px;
+  text-align: center;
+}
+.docs-hero h1 {
+  font-size: clamp(32px, 4vw, 48px);
+  font-weight: 800;
+  letter-spacing: -0.03em;
+  margin-bottom: 12px;
+}
+.docs-hero .subtitle {
+  color: var(--text-2);
+  font-size: 16px;
+}
+
+.docs-body { padding-bottom: 80px; }
+.docs-section {
+  margin: 48px 0;
+  scroll-margin-top: 80px;
+}
+.docs-section h2 {
+  font-size: 22px;
+  font-weight: 700;
+  margin-bottom: 14px;
+  color: var(--text-0);
+  border-bottom: 1px solid var(--border);
+  padding-bottom: 8px;
+}
+.docs-section p {
+  color: var(--text-1);
+  font-size: 14px;
+  line-height: 1.8;
+  margin: 12px 0;
+}
+.docs-section .note {
+  color: var(--text-3);
+  font-size: 13px;
+}
+.docs-section code.mono {
+  background: var(--bg-1);
+  padding: 2px 6px;
+  border-radius: var(--r-sm);
+  font-size: 13px;
+  color: var(--cyan);
+}
+.docs-section pre.mono {
+  background: var(--bg-code);
+  border: 1px solid var(--border);
+  border-radius: var(--r-md);
+  padding: 16px;
+  font-size: 13px;
+  line-height: 1.6;
+  color: var(--text-1);
+  overflow-x: auto;
+  margin: 12px 0;
+}
+.docs-section pre .str { color: var(--cyan); }
+.docs-section pre .kw { color: var(--amber); }
+.docs-section pre .cm { color: var(--text-3); }
+
+.callout {
+  padding: 16px 20px;
+  background: var(--bg-1);
+  border: 1px solid var(--border-2);
+  border-left: 3px solid var(--cyan);
+  border-radius: var(--r-md);
+  margin: 12px 0;
+}
+.callout a {
+  color: var(--cyan);
+  font-family: var(--font-mono);
+  font-size: 14px;
+}
+
+.model-list { list-style: none; padding: 0; }
+.model-list li {
+  padding: 8px 0;
+  color: var(--text-1);
+  font-size: 14px;
+  border-bottom: 1px dashed var(--border);
+}
+.model-list li:last-child { border-bottom: none; }
+
+/* container override (puro.css has 1100px/32px; we want narrower for docs readability) */
+.container {
+  max-width: 860px;
+  margin: 0 auto;
+  padding: 0 24px;
+  position: relative;
+  z-index: 2;
+}
+</style>