diff --git a/apps/frontend/src/components/admin/FinanceSubNav.tsx b/apps/frontend/src/components/admin/FinanceSubNav.tsx
new file mode 100644
index 00000000..1a2c96ad
--- /dev/null
+++ b/apps/frontend/src/components/admin/FinanceSubNav.tsx
@@ -0,0 +1,93 @@
+import {
+  AccountBookOutlined,
+  ApartmentOutlined,
+  LineChartOutlined,
+  WalletOutlined,
+} from '@ant-design/icons'
+import { Tabs } from 'antd'
+import type { TabsProps } from 'antd'
+import { useLocation, useNavigate } from 'react-router'
+import { getAdminRole } from '@/utils/admin-auth'
+
+export const FINANCE_NAV_ITEMS = [
+  {
+    key: '/admin/sales-profit',
+    label: '销售毛利',
+    icon: <LineChartOutlined />,
+  },
+  {
+    key: '/admin/cost-center',
+    label: '商品与成本中心',
+    icon: <ApartmentOutlined />,
+  },
+  {
+    key: '/admin/fund',
+    label: '钱包管理',
+    icon: <WalletOutlined />,
+  },
+  {
+    key: '/admin/finance',
+    label: '收支明细',
+    icon: <AccountBookOutlined />,
+  },
+] as const
+
+type FinanceNavKey = (typeof FINANCE_NAV_ITEMS)[number]['key']
+
+type FinanceSubNavProps = {
+  current?: FinanceNavKey
+}
+
+export default function FinanceSubNav({ current }: FinanceSubNavProps) {
+  const location = useLocation()
+  const navigate = useNavigate()
+  const role = getAdminRole()
+
+  // 客服角色无完整财务权限，不展示财务联动 Tab
+  if (role === 'support') {
+    return null
+  }
+
+  const activeKey =
+    current ||
+    FINANCE_NAV_ITEMS.find((item) => location.pathname.startsWith(item.key))?.key ||
+    '/admin/sales-profit'
+
+  const tabItems: TabsProps['items'] = FINANCE_NAV_ITEMS.map((item) => ({
+    key: item.key,
+    label: (
+      <span
+        style={{
+          display: 'inline-flex',
+          alignItems: 'center',
+          gap: 6,
+          fontSize: 15,
+          fontWeight: 500,
+        }}
+      >
+        {item.icon}
+        {item.label}
+      </span>
+    ),
+  }))
+
+  return (
+    <div
+      className="finance-sub-nav-wrapper"
+      style={{
+        background: '#fff',
+        padding: '6px 16px 0',
+        borderRadius: 8,
+        border: '1px solid #f0f0f0',
+        marginBottom: 4,
+      }}
+    >
+      <Tabs
+        activeKey={activeKey}
+        onChange={(key) => navigate(key)}
+        items={tabItems}
+        style={{ marginBottom: -1 }}
+      />
+    </div>
+  )
+}
diff --git a/apps/frontend/src/layouts/AdminLayout.tsx b/apps/frontend/src/layouts/AdminLayout.tsx
index 91f0d880..9e567ecd 100644
--- a/apps/frontend/src/layouts/AdminLayout.tsx
+++ b/apps/frontend/src/layouts/AdminLayout.tsx
@@ -168,52 +168,81 @@ export default function AdminLayout() {
     },
   })
 
+  const selectedKey = resolveSelectedKey(location.pathname)
+  const isFinanceKey = [
+    '/admin/sales-profit',
+    '/admin/cost-center',
+    '/admin/fund',
+    '/admin/finance',
+  ].includes(selectedKey)
+  const [openKeys, setOpenKeys] = useState<string[]>(['sub-finance'])
+
+  useEffect(() => {
+    if (isFinanceKey && !openKeys.includes('sub-finance')) {
+      setOpenKeys((prev) => [...prev, 'sub-finance'])
+    }
+  }, [isFinanceKey])
+
   const menuItems = useMemo<MenuProps['items']>(() => {
+    const financeSubItems: MenuProps['items'] = [
+      { key: '/admin/sales-profit', icon: <LineChartOutlined />, label: '销售毛利' },
+      { key: '/admin/cost-center', icon: <ApartmentOutlined />, label: '商品与成本' },
+      { key: '/admin/fund', icon: <WalletOutlined />, label: '钱包管理' },
+      { key: '/admin/finance', icon: <AccountBookOutlined />, label: '收支明细' },
+    ]
+
+    const financeSubMenu = {
+      key: 'sub-finance',
+      icon: <AccountBookOutlined />,
+      label: '财务',
+      children: financeSubItems,
+    }
+
     const operationItems: MenuProps['items'] =
       role === 'finance'
         ? [
-            { key: '/admin/finance', icon: <AccountBookOutlined />, label: '财务' },
-            { key: '/admin/sales-profit', icon: <LineChartOutlined />, label: '销售毛利' },
-            { key: '/admin/cost-center', icon: <ApartmentOutlined />, label: '商品与成本' },
-            { key: '/admin/fund', icon: <WalletOutlined />, label: '钱包管理' },
+            financeSubMenu,
             { key: '/admin/worker-platform', icon: <TrophyOutlined />, label: '资金审核' },
           ]
-        : [
-            { key: '/admin/dashboard', icon: <DashboardOutlined />, label: '概览' },
-            { key: '/admin/orders', icon: <OrderedListOutlined />, label: '订单' },
-            {
-              key: '/admin/fund',
-              icon: <WalletOutlined />,
-              label: role === 'support' ? '我的钱包' : '钱包管理',
-            },
-            ...(role === 'support'
-              ? []
-              : [
-                  { key: '/admin/finance', icon: <AccountBookOutlined />, label: '财务' },
-                  {
-                    key: '/admin/sales-profit',
-                    icon: <LineChartOutlined />,
-                    label: '销售毛利',
-                  },
-                  {
-                    key: '/admin/cost-center',
-                    icon: <ApartmentOutlined />,
-                    label: '商品与成本',
-                  },
-                ]),
-            { key: '/admin/tasks', icon: <UnorderedListOutlined />, label: '任务' },
-            { key: '/admin/worker-platform', icon: <TrophyOutlined />, label: '接单平台' },
-            {
-              key: '/admin/kuaishou-industry',
-              icon: <SafetyCertificateOutlined />,
-              label: '电子凭证',
-            },
-            {
-              key: '/admin/douyin-mashida-certificates',
-              icon: <SafetyCertificateOutlined />,
-              label: '抖音券核销',
-            },
-          ]
+        : role === 'support'
+          ? [
+              { key: '/admin/dashboard', icon: <DashboardOutlined />, label: '概览' },
+              { key: '/admin/orders', icon: <OrderedListOutlined />, label: '订单' },
+              {
+                key: '/admin/fund',
+                icon: <WalletOutlined />,
+                label: '我的钱包',
+              },
+              { key: '/admin/tasks', icon: <UnorderedListOutlined />, label: '任务' },
+              { key: '/admin/worker-platform', icon: <TrophyOutlined />, label: '接单平台' },
+              {
+                key: '/admin/kuaishou-industry',
+                icon: <SafetyCertificateOutlined />,
+                label: '电子凭证',
+              },
+              {
+                key: '/admin/douyin-mashida-certificates',
+                icon: <SafetyCertificateOutlined />,
+                label: '抖音券核销',
+              },
+            ]
+          : [
+              { key: '/admin/dashboard', icon: <DashboardOutlined />, label: '概览' },
+              { key: '/admin/orders', icon: <OrderedListOutlined />, label: '订单' },
+              financeSubMenu,
+              { key: '/admin/tasks', icon: <UnorderedListOutlined />, label: '任务' },
+              { key: '/admin/worker-platform', icon: <TrophyOutlined />, label: '接单平台' },
+              {
+                key: '/admin/kuaishou-industry',
+                icon: <SafetyCertificateOutlined />,
+                label: '电子凭证',
+              },
+              {
+                key: '/admin/douyin-mashida-certificates',
+                icon: <SafetyCertificateOutlined />,
+                label: '抖音券核销',
+              },
+            ]
 
     const items: MenuProps['items'] = [
       {
@@ -333,8 +362,6 @@ export default function AdminLayout() {
     </div>
   )
 
-  const selectedKey = resolveSelectedKey(location.pathname)
-
   return (
     <Layout className="admin-shell">
       <Layout.Sider
@@ -377,6 +404,8 @@ export default function AdminLayout() {
             mode="inline"
             inlineIndent={16}
             selectedKeys={[selectedKey]}
+            openKeys={openKeys}
+            onOpenChange={(keys) => setOpenKeys(keys as string[])}
             items={menuItems}
             className="admin-menu"
             onClick={({ key }) => navigate(String(key))}
@@ -802,8 +831,10 @@ function playNotificationSound(kind: NotificationAlertKind) {
 
 function resolveSelectedKey(pathname: string) {
   if (pathname.startsWith('/admin/orders')) return '/admin/orders'
-  if (pathname.startsWith('/admin/finance')) return '/admin/finance'
+  if (pathname.startsWith('/admin/sales-profit')) return '/admin/sales-profit'
   if (pathname.startsWith('/admin/cost-center')) return '/admin/cost-center'
+  if (pathname.startsWith('/admin/fund')) return '/admin/fund'
+  if (pathname.startsWith('/admin/finance')) return '/admin/finance'
   if (pathname.startsWith('/admin/tasks')) return '/admin/tasks'
   if (pathname.startsWith('/admin/worker-platform')) return '/admin/worker-platform'
   if (pathname.startsWith('/admin/kuaishou-industry')) return '/admin/kuaishou-industry'
diff --git a/apps/frontend/src/lib/http.ts b/apps/frontend/src/lib/http.ts
index 666e0b75..fb8e6802 100644
--- a/apps/frontend/src/lib/http.ts
+++ b/apps/frontend/src/lib/http.ts
@@ -188,7 +188,11 @@ export function apiGet<T>(url: string, params?: Record<string, unknown>, options
   return request<T>({ method: 'GET', url, params, ...options })
 }
 
-export function apiGetBlob(url: string, params?: Record<string, unknown>, options?: RequestOptions) {
+export function apiGetBlob(
+  url: string,
+  params?: Record<string, unknown>,
+  options?: RequestOptions,
+) {
   return http.request<Blob, Blob>({
     method: 'GET',
     url,
diff --git a/apps/frontend/src/pages/admin/AdminFinancePage.tsx b/apps/frontend/src/pages/admin/AdminFinancePage.tsx
index 089dd181..3c1ba94a 100644
--- a/apps/frontend/src/pages/admin/AdminFinancePage.tsx
+++ b/apps/frontend/src/pages/admin/AdminFinancePage.tsx
@@ -19,6 +19,7 @@ import { useState } from 'react'
 
 import { AdminRangePicker } from '@/components/admin/AdminDatePicker'
 import PageHeader from '@/components/admin/PageHeader'
+import FinanceSubNav from '@/components/admin/FinanceSubNav'
 import dayjs from '@/lib/dayjs'
 import {
   fetchAdminFinanceSummary,
@@ -160,7 +161,8 @@ export default function AdminFinancePage() {
 
   return (
     <section className="page-stack">
-      <PageHeader title="财务" description="按日期查看订单收款、退款、打手结算和平台现金流。" />
+      <FinanceSubNav current="/admin/finance" />
+      <PageHeader title="收支明细" description="按日期查看订单收款、退款、打手结算和平台现金流。" />
 
       <Card>
         <Form<FinanceFilterForm>
diff --git a/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx b/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx
index 6fe21efe..44e977fb 100644
--- a/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx
+++ b/apps/frontend/src/pages/admin/AdminSalesProfitPage.tsx
@@ -21,6 +21,7 @@ import { useState } from 'react'
 
 import { AdminRangePicker } from '@/components/admin/AdminDatePicker'
 import PageHeader from '@/components/admin/PageHeader'
+import FinanceSubNav from '@/components/admin/FinanceSubNav'
 import dayjs from '@/lib/dayjs'
 import {
   fetchAdminSalesDailyFacts,
@@ -98,7 +99,12 @@ export default function AdminSalesProfitPage() {
   function resetFilters() {
     form.resetFields()
     setPage(1)
-    setFilters({ dateFrom: defaultDateFrom, dateTo: defaultDateTo, provider: '', fulfillmentMode: '' })
+    setFilters({
+      dateFrom: defaultDateFrom,
+      dateTo: defaultDateTo,
+      provider: '',
+      fulfillmentMode: '',
+    })
   }
 
   async function rebuildFacts() {
@@ -243,6 +249,7 @@ export default function AdminSalesProfitPage() {
 
   return (
     <section className="page-stack">
+      <FinanceSubNav current="/admin/sales-profit" />
       <PageHeader
         title="销售毛利"
         description="按订单项归集收入与成本；未归一商品单独成行，成本缺失时毛利不直接用于决策。"
diff --git a/apps/frontend/src/pages/admin/cost-center/AffiliateSkuPanel.tsx b/apps/frontend/src/pages/admin/cost-center/AffiliateSkuPanel.tsx
index c86d7500..aa74147e 100644
--- a/apps/frontend/src/pages/admin/cost-center/AffiliateSkuPanel.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/AffiliateSkuPanel.tsx
@@ -5,12 +5,7 @@
  * 不写渠道映射，也不维护游戏分类。
  * 成本按上游商品配置采购单价（cost_versions），并在改价/初次配置后重算成本快照。
  */
-import {
-  DownloadOutlined,
-  EditOutlined,
-  ReloadOutlined,
-  SyncOutlined,
-} from '@ant-design/icons'
+import { DownloadOutlined, EditOutlined, ReloadOutlined, SyncOutlined } from '@ant-design/icons'
 import {
   Alert,
   App,
@@ -267,11 +262,7 @@ export function AffiliateSkuPanel() {
               >
                 重算成本快照
               </Button>
-              <Button
-                icon={<SyncOutlined />}
-                loading={syncing}
-                onClick={() => void syncProducts()}
-              >
+              <Button icon={<SyncOutlined />} loading={syncing} onClick={() => void syncProducts()}>
                 同步自动发货商品
               </Button>
               <Button
@@ -478,7 +469,8 @@ export function AffiliateSkuPanel() {
                   <Space direction="vertical" size={0}>
                     <Typography.Text strong>追溯至历史订单 (推荐)</Typography.Text>
                     <Typography.Text type="secondary" style={{ fontSize: 12 }}>
-                      自近一个月业务起点（30 天前）生效，重算快照后可直接消除近一个月 cost_missing 异常
+                      自近一个月业务起点（30 天前）生效，重算快照后可直接消除近一个月 cost_missing
+                      异常
                     </Typography.Text>
                   </Space>
                 </Radio>
diff --git a/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx b/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx
index 037d5ca5..a166a52a 100644
--- a/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/CostCenterShell.tsx
@@ -25,6 +25,7 @@ import {
 import { useQuery, useQueryClient } from '@tanstack/react-query'
 
 import PageHeader from '@/components/admin/PageHeader'
+import FinanceSubNav from '@/components/admin/FinanceSubNav'
 import { usePersistedState } from '@/hooks/usePersistedState'
 import { fetchAdminCostCenterOptions, fetchAdminCostCenterOverview } from '@/services/admin'
 import { hasAdminPermission } from '@/utils/admin-auth'
@@ -121,6 +122,7 @@ export default function CostCenterShell() {
       }}
     >
       <section className="page-stack">
+        <FinanceSubNav current="/admin/cost-center" />
         <PageHeader
           title="商品与成本中心"
           description="商品 SKU 先归一；成本在各来源自己的配置里维护（人工 SKU 消耗积分 / 自动发货采购价 / 接单模板发单金额），历史成本靠快照固化。"
diff --git a/apps/frontend/src/pages/admin/cost-center/ProductCatalogPanel.tsx b/apps/frontend/src/pages/admin/cost-center/ProductCatalogPanel.tsx
index 96901f9f..072387b6 100644
--- a/apps/frontend/src/pages/admin/cost-center/ProductCatalogPanel.tsx
+++ b/apps/frontend/src/pages/admin/cost-center/ProductCatalogPanel.tsx
@@ -618,7 +618,11 @@ export function ProductCatalogPanel() {
             style={{ padding: 0 }}
             onClick={() => canConfig && openSetProductPrice(row)}
           >
-            {value > 0 ? `${value} 个版本 · 改价` : row.source === 'work_order' ? '配置结算成本' : '未配置 · 立即配置'}
+            {value > 0
+              ? `${value} 个版本 · 改价`
+              : row.source === 'work_order'
+                ? '配置结算成本'
+                : '未配置 · 立即配置'}
           </Button>
         )
       },
@@ -1005,9 +1009,7 @@ export function ProductCatalogPanel() {
             <Form.Item
               name="amountYuan"
               label={
-                pricingProduct.source === 'affiliate_dash'
-                  ? '采购单价（元）'
-                  : '标准结算单价（元）'
+                pricingProduct.source === 'affiliate_dash' ? '采购单价（元）' : '标准结算单价（元）'
               }
               rules={[{ required: true, message: '请填写价格' }]}
               extra={
@@ -1050,7 +1052,10 @@ export function ProductCatalogPanel() {
               </Radio.Group>
             </Form.Item>
 
-            <Form.Item noStyle shouldUpdate={(prev, curr) => prev.effectiveScope !== curr.effectiveScope}>
+            <Form.Item
+              noStyle
+              shouldUpdate={(prev, curr) => prev.effectiveScope !== curr.effectiveScope}
+            >
               {({ getFieldValue }) =>
                 getFieldValue('effectiveScope') === 'custom' ? (
                   <Form.Item
@@ -1069,11 +1074,7 @@ export function ProductCatalogPanel() {
             </Form.Item>
 
             {pricingProduct.canonicalSku.startsWith('tpl:') ? (
-              <Form.Item
-                name="syncOpenOrders"
-                valuePropName="checked"
-                style={{ marginBottom: 12 }}
-              >
+              <Form.Item name="syncOpenOrders" valuePropName="checked" style={{ marginBottom: 12 }}>
                 <Checkbox>
                   <strong>立即同步至接单大厅待抢单工单（推荐）</strong>
                   <div style={{ color: '#64748b', fontSize: 12 }}>
@@ -1084,11 +1085,7 @@ export function ProductCatalogPanel() {
             ) : null}
 
             {pricingProduct.source === 'affiliate_dash' ? (
-              <Form.Item
-                name="syncSnapshots"
-                valuePropName="checked"
-                style={{ marginBottom: 12 }}
-              >
+              <Form.Item name="syncSnapshots" valuePropName="checked" style={{ marginBottom: 12 }}>
                 <Checkbox>
                   <strong>立即重算成本快照并回填历史（推荐）</strong>
                   <div style={{ color: '#64748b', fontSize: 12 }}>
diff --git a/apps/frontend/src/pages/admin/fund/FundManagementView.tsx b/apps/frontend/src/pages/admin/fund/FundManagementView.tsx
index 85b26aa5..47cc6759 100644
--- a/apps/frontend/src/pages/admin/fund/FundManagementView.tsx
+++ b/apps/frontend/src/pages/admin/fund/FundManagementView.tsx
@@ -38,6 +38,7 @@ import { PlatformCreditPanel } from './PlatformCreditPanel'
 import ImagePreviewList from '@/components/files/ImagePreviewList'
 import ImageUpload from '@/components/files/ImageUpload'
 import PageHeader from '@/components/admin/PageHeader'
+import FinanceSubNav from '@/components/admin/FinanceSubNav'
 import {
   confirmAdminFundReconciliation,
   createAdminFundAccount,
@@ -875,6 +876,7 @@ export default function FundManagementView({ role }: { role: ManagementRole }) {
 
   return (
     <section className="page-stack">
+      <FinanceSubNav current="/admin/fund" />
       <PageHeader
         title="钱包管理"
         description="统管客服的南航 / 乐玩 / ROCK 积分钱包与备用金现金；可分配积分、发放现金、查看流水与对账。"
diff --git a/apps/frontend/src/services/admin/cost-center.ts b/apps/frontend/src/services/admin/cost-center.ts
index 4b9313bf..c26e2255 100644
--- a/apps/frontend/src/services/admin/cost-center.ts
+++ b/apps/frontend/src/services/admin/cost-center.ts
@@ -164,7 +164,6 @@ export function syncAdminAffiliateDashCostSnapshots() {
   }>('/api/v1/admin/cost-center/affiliate-products/sync-snapshots', {}, { timeout: 300_000 })
 }
 
-
 export function updateAdminProductCatalog(productId: number, payload: Record<string, unknown>) {
   return apiPatch<{ product: ProductCatalogItem }>(
     `/api/v1/admin/cost-center/products/${productId}`,
@@ -504,4 +503,3 @@ export function syncAdminProductPrice(productId: number) {
     message: string
   }>(`/api/v1/admin/cost-center/products/${productId}/sync-price`, {})
 }
-