diff --git a/apps/frontend/src/App.tsx b/apps/frontend/src/App.tsx
index 86fe17a1..72aff456 100644
--- a/apps/frontend/src/App.tsx
+++ b/apps/frontend/src/App.tsx
@@ -11,6 +11,7 @@ import {
 } from 'react-router'
 
 import { getAdminRole, hasAdminSession } from '@/utils/admin-auth'
+import { isRedeemPath } from '@/utils/redeem'
 import { isWorkerSite, WORKER_SITE_ORIGIN } from '@/utils/site'
 import { hasWorkerSession } from '@/utils/worker-auth'
 import { resolveLegacyWorkerPath } from '@/utils/worker-routes'
@@ -36,6 +37,7 @@ const AdminWorkerPlatformPage = lazy(() => import('@/pages/admin/AdminWorkerPlat
 const ClaimPage = lazy(() => import('@/pages/claim/ClaimPage'))
 const CollectPage = lazy(() => import('@/pages/collect/CollectPage'))
 const NotFoundPage = lazy(() => import('@/pages/NotFoundPage'))
+const RedeemPage = lazy(() => import('@/pages/redeem/RedeemPage'))
 const WorkerHallPage = lazy(() => import('@/pages/worker/WorkerHallPage'))
 const WorkerLoginPage = lazy(() => import('@/pages/worker/WorkerLoginPage'))
 const WorkerOrdersPage = lazy(() => import('@/pages/worker/WorkerOrdersPage'))
@@ -88,6 +90,12 @@ export default function App() {
     return <WorkerSiteRedirect path={legacyWorkerPath} />
   }
 
+  // 固定兑换链接是路径式（`https://<域名>/redeem`，不带 `#`），必须早于站点判断，
+  // 用独立的 BrowserRouter 分支承载，主站 HashRouter 不受影响。
+  if (isRedeemPath(window.location.pathname)) {
+    return <RedeemApplication />
+  }
+
   if (isWorkerSite()) {
     return <WorkerApplication />
   }
@@ -137,6 +145,19 @@ function AdminApplication() {
   )
 }
 
+function RedeemApplication() {
+  return (
+    <BrowserRouter>
+      <Suspense fallback={<RouteLoading />}>
+        <Routes>
+          <Route path="/redeem" element={<RedeemPage />} />
+          <Route path="*" element={<Navigate to="/redeem" replace />} />
+        </Routes>
+      </Suspense>
+    </BrowserRouter>
+  )
+}
+
 function WorkerApplication() {
   return (
     <BrowserRouter>
diff --git a/apps/frontend/src/pages/redeem/RedeemPage.tsx b/apps/frontend/src/pages/redeem/RedeemPage.tsx
new file mode 100644
index 00000000..110fd0fd
--- /dev/null
+++ b/apps/frontend/src/pages/redeem/RedeemPage.tsx
@@ -0,0 +1,166 @@
+import { SearchOutlined } from '@ant-design/icons'
+import { Alert, Button, Card, Descriptions, Form, Input, Result, Space, Typography } from 'antd'
+import { useState } from 'react'
+
+import { showError, showSuccess } from '@/lib/feedback'
+import { confirmRedeemOrder, lookupRedeemOrder } from '@/services/redeem'
+import type { RedeemOrderStatus, RedeemOrderView } from '@/types/redeem'
+import { formatRedeemAmount, formatRedeemTime, resolveRedeemStatusView } from '@/utils/redeem'
+
+/**
+ * 固定兑换链接页面（`https://<域名>/redeem`）。
+ *
+ * 只用 `useState` 驱动、不引 TanStack Query：这是一次性公开链接，
+ * 查询与确认都由用户显式触发，没有需要缓存/复用的服务端状态。
+ * 流程：输订单号 → lookup → 按 status 渲染 → 可兑换时 confirm。
+ */
+export default function RedeemPage() {
+  const [orderNo, setOrderNo] = useState('')
+  const [view, setView] = useState<RedeemOrderView | null>(null)
+  const [lookupLoading, setLookupLoading] = useState(false)
+  const [confirmLoading, setConfirmLoading] = useState(false)
+
+  async function submitLookup(values: { orderNo: string }) {
+    const nextOrderNo = String(values.orderNo || '').trim()
+    setOrderNo(nextOrderNo)
+    await runLookup(nextOrderNo)
+  }
+
+  async function runLookup(currentOrderNo: string) {
+    setLookupLoading(true)
+    try {
+      const response = await lookupRedeemOrder(currentOrderNo)
+      setView(response.data)
+    } catch (error) {
+      setView(null)
+      showError(error instanceof Error ? error.message : '查询失败')
+    } finally {
+      setLookupLoading(false)
+    }
+  }
+
+  function refreshLookup() {
+    if (!orderNo) return
+    void runLookup(orderNo)
+  }
+
+  async function submitConfirm() {
+    if (!orderNo) return
+    setConfirmLoading(true)
+    try {
+      const response = await confirmRedeemOrder(orderNo)
+      // confirm 在不可兑换时不抛错，会把当前状态原样返回：一律按 status 重新渲染。
+      setView(response.data)
+
+      if (response.data.status === 'verified') {
+        showSuccess(response.data.message || '兑换成功')
+      } else {
+        showError(response.data.message || '当前订单暂不可兑换')
+      }
+    } catch (error) {
+      showError(error instanceof Error ? error.message : '兑换失败')
+    } finally {
+      setConfirmLoading(false)
+    }
+  }
+
+  return (
+    <main className="redeem-page">
+      <Card className="redeem-card" bordered={false}>
+        <Typography.Title level={3}>兑换中心</Typography.Title>
+        <Typography.Paragraph type="secondary">
+          请输入订单号，核对订单状态后按提示完成兑换。
+        </Typography.Paragraph>
+
+        <Form layout="vertical" onFinish={submitLookup}>
+          <Space.Compact className="full-width">
+            <Form.Item
+              name="orderNo"
+              className="redeem-order-input"
+              rules={[{ required: true, message: '请输入订单号' }]}
+            >
+              <Input placeholder="订单号" autoComplete="off" />
+            </Form.Item>
+            <Button
+              type="primary"
+              htmlType="submit"
+              icon={<SearchOutlined />}
+              loading={lookupLoading}
+            >
+              查询
+            </Button>
+          </Space.Compact>
+        </Form>
+
+        {view?.status === 'not_found' ? (
+          <Alert
+            className="platform-section-gap"
+            type="warning"
+            showIcon
+            message={view.message || '订单号有误，或订单尚未同步，请稍后再试'}
+          />
+        ) : null}
+
+        {view &&
+        (view.status === 'unpaid' || view.status === 'cancelled' || view.status === 'refunded') ? (
+          <RedeemStatusResult status={view.status} message={view.message} />
+        ) : null}
+
+        {view?.status === 'pending_certificate' ? (
+          <>
+            <RedeemStatusResult status={view.status} message={view.message} />
+            {/* 券在后台异步准备：不做自动轮询，由用户点「刷新」按需重查，避免空转请求。 */}
+            <Button block onClick={refreshLookup} loading={lookupLoading}>
+              刷新
+            </Button>
+          </>
+        ) : null}
+
+        {view?.status === 'redeemable' ? (
+          <div className="platform-section-gap">
+            <RedeemSummaryDetails summary={view.summary} />
+            <Button type="primary" block loading={confirmLoading} onClick={submitConfirm}>
+              确认兑换
+            </Button>
+          </div>
+        ) : null}
+
+        {view?.status === 'verified' ? (
+          <div className="platform-section-gap">
+            <RedeemStatusResult status={view.status} message={view.message} />
+            <Descriptions column={1} size="small" bordered>
+              {/* 只展示后端返回的掩码券码，绝不明文铺开 certNo。 */}
+              <Descriptions.Item label="券码">
+                {view.credential?.maskedCertNo || '—'}
+              </Descriptions.Item>
+              <Descriptions.Item label="兑换时间">
+                {formatRedeemTime(view.credential?.verifiedAt) || '—'}
+              </Descriptions.Item>
+            </Descriptions>
+          </div>
+        ) : null}
+      </Card>
+    </main>
+  )
+}
+
+function RedeemStatusResult({ status, message }: { status: RedeemOrderStatus; message: string }) {
+  const { tone, title } = resolveRedeemStatusView(status)
+
+  return <Result status={tone} title={title} subTitle={message || undefined} />
+}
+
+function RedeemSummaryDetails({ summary }: { summary: RedeemOrderView['summary'] }) {
+  return (
+    <Descriptions column={1} size="small" bordered>
+      <Descriptions.Item label="商品">{summary?.productName || '—'}</Descriptions.Item>
+      <Descriptions.Item label="数量">{summary ? summary.quantity : '—'}</Descriptions.Item>
+      <Descriptions.Item label="金额">
+        {summary ? formatRedeemAmount(summary.amountFen) : '—'}
+      </Descriptions.Item>
+      <Descriptions.Item label="支付时间">
+        {formatRedeemTime(summary?.paidAt) || '—'}
+      </Descriptions.Item>
+    </Descriptions>
+  )
+}
diff --git a/apps/frontend/src/services/redeem.ts b/apps/frontend/src/services/redeem.ts
new file mode 100644
index 00000000..f931da41
--- /dev/null
+++ b/apps/frontend/src/services/redeem.ts
@@ -0,0 +1,16 @@
+import { apiPost } from '@/lib/http'
+import type { RedeemOrderView } from '@/types/redeem'
+
+/**
+ * 固定兑换链接的公开接口封装。
+ *
+ * 两者都返回同一个 `RedeemOrderView`：`confirm` 在不可兑换时**不抛错**，
+ * 会把当前状态原样返回，所以调用方必须按 `status` 渲染，不能假设一定成功。
+ */
+export function lookupRedeemOrder(orderNo: string) {
+  return apiPost<RedeemOrderView>('/api/v1/redeem/lookup', { orderNo })
+}
+
+export function confirmRedeemOrder(orderNo: string) {
+  return apiPost<RedeemOrderView>('/api/v1/redeem/confirm', { orderNo })
+}
diff --git a/apps/frontend/src/styles/client.css b/apps/frontend/src/styles/client.css
index a62e2b15..f953a04f 100644
--- a/apps/frontend/src/styles/client.css
+++ b/apps/frontend/src/styles/client.css
@@ -453,6 +453,25 @@
   margin-bottom: 0;
 }
 
+/* ===== 兑换中心 (Redeem Page) ===== */
+
+.redeem-page {
+  min-height: 100vh;
+  display: grid;
+  place-items: center;
+  padding: 32px 16px;
+  background: #f5f7fb;
+}
+
+.redeem-card {
+  width: min(520px, 100%);
+}
+
+.redeem-order-input {
+  flex: 1;
+  margin-bottom: 0;
+}
+
 /* ===== 买家页面响应式断点 ===== */
 
 @media (max-width: 720px) {
diff --git a/apps/frontend/src/types/redeem.ts b/apps/frontend/src/types/redeem.ts
new file mode 100644
index 00000000..4796f368
--- /dev/null
+++ b/apps/frontend/src/types/redeem.ts
@@ -0,0 +1,39 @@
+/**
+ * 固定兑换链接（`https://<域名>/redeem`）的接口类型。
+ *
+ * 与后端 `apps/backend/src/services/redeem/redeem-service.ts` 的 `RedeemOrderView` 保持一致：
+ * 只包含脱敏摘要，不含买家手机号 / 地址 / open_id；券码一律走 `maskedCertNo`。
+ */
+
+export type RedeemOrderStatus =
+  | 'not_found'
+  | 'unpaid'
+  | 'cancelled'
+  | 'refunded'
+  | 'pending_certificate'
+  | 'redeemable'
+  | 'verified'
+
+export interface RedeemOrderSummary {
+  productName: string
+  quantity: number
+  amountFen: number
+  paidAt: string | null
+}
+
+export interface RedeemCredential {
+  /** 完整券码：仅保留在类型里，页面上禁止明文展示 */
+  certNo: string
+  /** 掩码券码（前 6 后 4），页面展示用 */
+  maskedCertNo: string
+  verifiedAt: string | null
+}
+
+export interface RedeemOrderView {
+  status: RedeemOrderStatus
+  orderNo: string
+  /** 脱敏摘要（不含买家隐私字段） */
+  summary: RedeemOrderSummary | null
+  message: string
+  credential: RedeemCredential | null
+}
diff --git a/apps/frontend/src/utils/redeem.ts b/apps/frontend/src/utils/redeem.ts
new file mode 100644
index 00000000..3e1d2b74
--- /dev/null
+++ b/apps/frontend/src/utils/redeem.ts
@@ -0,0 +1,82 @@
+/**
+ * 固定兑换链接（`/redeem`）的纯展示逻辑。
+ *
+ * 这个页面是「无 token 公开链接」：用户只输订单号，系统按订单状态决定下一步。
+ * 把路径判定、金额格式化、状态 → 文案/色调集中在这里，页面只负责渲染。
+ * 刻意写成纯函数：不依赖 React / antd，也不使用 `@/` 别名，
+ * 方便 `node --experimental-strip-types --test` 直接跑单测。
+ */
+import type { RedeemOrderStatus } from '../types/redeem'
+
+export type { RedeemOrderStatus }
+
+/** 状态色调：与 antd Result / Alert 的语义色一致 */
+export type RedeemStatusTone = 'success' | 'warning' | 'error' | 'info'
+
+export type RedeemStatusView = {
+  tone: RedeemStatusTone
+  /** 页面主标题（中性文案，不出现平台名） */
+  title: string
+}
+
+/**
+ * 固定兑换链接是**路径式**（`https://<域名>/redeem`，不带 `#`），
+ * 判断时只认 `/redeem`（容忍一个或多个结尾斜杠），`/redeemx`、`/` 都不算。
+ */
+export function isRedeemPath(pathname: unknown): boolean {
+  const normalized = String(pathname ?? '').trim()
+  if (!normalized) return false
+
+  return normalized.replace(/\/+$/, '') === '/redeem'
+}
+
+/**
+ * 分 → 元展示（与后台 `formatMoney` 同款格式）。
+ * 空值 / 非法值按 0 处理：`1990 → ￥19.90`、`0 → ￥0.00`。
+ */
+export function formatRedeemAmount(fen: unknown): string {
+  return `￥${((Number(fen || 0) || 0) / 100).toFixed(2)}`
+}
+
+/**
+ * 时间 → `YYYY-MM-DD HH:mm`；空值或非法时间返回空串（调用方自行显示占位符）。
+ */
+export function formatRedeemTime(value: unknown): string {
+  const normalized = String(value ?? '').trim()
+  if (!normalized) return ''
+
+  const date = new Date(normalized)
+  if (Number.isNaN(date.getTime())) return ''
+
+  const pad = (input: number) => String(input).padStart(2, '0')
+  const datePart = `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())}`
+  const timePart = `${pad(date.getHours())}:${pad(date.getMinutes())}`
+  return `${datePart} ${timePart}`
+}
+
+/**
+ * 订单状态 → 页面标题与色调。
+ *
+ * 后端以后新增状态时不能崩：未知状态一律回退成中性提示。
+ * 注意 `pending_certificate` 是「稍后再试」而不是「失败」，所以用 info 而不是 error。
+ */
+export function resolveRedeemStatusView(status: RedeemOrderStatus): RedeemStatusView {
+  switch (status) {
+    case 'not_found':
+      return { tone: 'warning', title: '未找到订单' }
+    case 'unpaid':
+      return { tone: 'warning', title: '订单未支付' }
+    case 'cancelled':
+      return { tone: 'error', title: '订单已取消' }
+    case 'refunded':
+      return { tone: 'error', title: '订单已退款' }
+    case 'pending_certificate':
+      return { tone: 'info', title: '兑换券准备中' }
+    case 'redeemable':
+      return { tone: 'success', title: '可以兑换' }
+    case 'verified':
+      return { tone: 'success', title: '已兑换' }
+    default:
+      return { tone: 'info', title: '订单状态未知' }
+  }
+}
diff --git a/apps/frontend/tests/redeem.test.ts b/apps/frontend/tests/redeem.test.ts
new file mode 100644
index 00000000..0ddb63a8
--- /dev/null
+++ b/apps/frontend/tests/redeem.test.ts
@@ -0,0 +1,67 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import {
+  formatRedeemAmount,
+  formatRedeemTime,
+  isRedeemPath,
+  resolveRedeemStatusView,
+} from '../src/utils/redeem.ts'
+import type { RedeemOrderStatus } from '../src/types/redeem.ts'
+
+/** 故意构造后端未来可能新增的状态，验证未知状态不会崩 */
+const FUTURE_STATUS = 'reviewing' as unknown as RedeemOrderStatus
+
+test('isRedeemPath：只认路径式 /redeem，容忍结尾斜杠', () => {
+  assert.equal(isRedeemPath('/redeem'), true)
+  assert.equal(isRedeemPath('/redeem/'), true)
+  assert.equal(isRedeemPath('/redeem//'), true)
+})
+
+test('isRedeemPath：/redeemx、/、空串都不算兑换路径', () => {
+  assert.equal(isRedeemPath('/redeemx'), false)
+  assert.equal(isRedeemPath('/'), false)
+  assert.equal(isRedeemPath('/admin/redeem'), false)
+  assert.equal(isRedeemPath(''), false)
+  assert.equal(isRedeemPath(null), false)
+})
+
+test('formatRedeemAmount：分转元保留两位小数', () => {
+  assert.equal(formatRedeemAmount(1990), '￥19.90')
+  assert.equal(formatRedeemAmount(0), '￥0.00')
+  assert.equal(formatRedeemAmount(5), '￥0.05')
+})
+
+test('resolveRedeemStatusView：7 个状态各有标题与色调', () => {
+  assert.deepEqual(resolveRedeemStatusView('not_found'), {
+    tone: 'warning',
+    title: '未找到订单',
+  })
+  assert.deepEqual(resolveRedeemStatusView('unpaid'), { tone: 'warning', title: '订单未支付' })
+  assert.deepEqual(resolveRedeemStatusView('cancelled'), { tone: 'error', title: '订单已取消' })
+  assert.deepEqual(resolveRedeemStatusView('refunded'), { tone: 'error', title: '订单已退款' })
+  assert.deepEqual(resolveRedeemStatusView('pending_certificate'), {
+    tone: 'info',
+    title: '兑换券准备中',
+  })
+  assert.deepEqual(resolveRedeemStatusView('redeemable'), {
+    tone: 'success',
+    title: '可以兑换',
+  })
+  assert.deepEqual(resolveRedeemStatusView('verified'), { tone: 'success', title: '已兑换' })
+})
+
+test('resolveRedeemStatusView：未知状态回退为中性提示', () => {
+  assert.deepEqual(resolveRedeemStatusView(FUTURE_STATUS), {
+    tone: 'info',
+    title: '订单状态未知',
+  })
+})
+
+test('formatRedeemTime：空值或非法时间返回空串，合法时间格式化为 YYYY-MM-DD HH:mm', () => {
+  assert.equal(formatRedeemTime(''), '')
+  assert.equal(formatRedeemTime(null), '')
+  assert.equal(formatRedeemTime('   '), '')
+  assert.equal(formatRedeemTime('不是时间'), '')
+  assert.match(formatRedeemTime('2026-09-17T10:00:00'), /^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$/)
+})