diff --git a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
index 907bb917..f1db992d 100644
--- a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
+++ b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
@@ -18,18 +18,33 @@ import { isAMapConfigured } from '../config/appConfig';
 
 export type PageKey = 'dashboard' | 'vehicles' | 'map' | 'realtime' | 'detail' | 'history' | 'history-query' | 'mileage' | 'alert-events' | 'quality' | 'notification-rules' | 'ops-quality';
 
-const navItems = [
-  { itemKey: 'dashboard', text: '运营驾驶舱', icon: <IconHome /> },
-  { itemKey: 'map', text: '实时地图', icon: <IconMapPin /> },
-  { itemKey: 'vehicles', text: '车辆中心', icon: <IconServer /> },
-  { itemKey: 'realtime', text: '实时数据', icon: <IconActivity /> },
-  { itemKey: 'detail', text: '车辆档案', icon: <IconSetting /> },
-  { itemKey: 'history', text: '轨迹回放', icon: <IconMapPin /> },
-  { itemKey: 'history-query', text: '历史查询', icon: <IconHistogram /> },
-  { itemKey: 'mileage', text: '统计查询', icon: <IconBarChartHStroked /> },
-  { itemKey: 'alert-events', text: '告警事件', icon: <IconHistogram /> },
-  { itemKey: 'notification-rules', text: '通知规则', icon: <IconBell /> },
-  { itemKey: 'ops-quality', text: '运维质量', icon: <IconPulse /> }
+const navGroups = [
+  {
+    title: '车辆工作台',
+    items: [
+      { itemKey: 'dashboard', text: '运营驾驶舱', icon: <IconHome /> },
+      { itemKey: 'map', text: '实时地图', icon: <IconMapPin /> },
+      { itemKey: 'vehicles', text: '车辆中心', icon: <IconServer /> },
+      { itemKey: 'realtime', text: '实时监控', icon: <IconActivity /> },
+      { itemKey: 'detail', text: '车辆档案', icon: <IconSetting /> }
+    ]
+  },
+  {
+    title: '查询分析',
+    items: [
+      { itemKey: 'history', text: '轨迹回放', icon: <IconMapPin /> },
+      { itemKey: 'history-query', text: '历史查询', icon: <IconHistogram /> },
+      { itemKey: 'mileage', text: '统计查询', icon: <IconBarChartHStroked /> }
+    ]
+  },
+  {
+    title: '告警运维',
+    items: [
+      { itemKey: 'alert-events', text: '告警事件', icon: <IconHistogram /> },
+      { itemKey: 'notification-rules', text: '通知规则', icon: <IconBell /> },
+      { itemKey: 'ops-quality', text: '运维质量', icon: <IconPulse /> }
+    ]
+  }
 ];
 
 function linkHealthClassName(count: number | null) {
@@ -113,15 +128,22 @@ export function AppShell({
             <span className="vp-brand-mark" />
             <span className="vp-brand-copy">
               <span>车辆服务中台</span>
-              <span>实时监控 / 轨迹 / 告警 / 统计</span>
+              <span>一车一服务 / 多源归并</span>
             </span>
           </div>
-          <Nav
-            selectedKeys={[selectedPage]}
-            items={navItems}
-            onSelect={({ itemKey }) => onChange(itemKey as PageKey)}
-            style={{ maxWidth: '100%' }}
-          />
+          <div className="vp-nav-groups">
+            {navGroups.map((group) => (
+              <div key={group.title} className="vp-nav-group">
+                <div className="vp-nav-section-title">{group.title}</div>
+                <Nav
+                  selectedKeys={[selectedPage]}
+                  items={group.items}
+                  onSelect={({ itemKey }) => onChange(itemKey as PageKey)}
+                  style={{ maxWidth: '100%' }}
+                />
+              </div>
+            ))}
+          </div>
         </aside>
         <main className="vp-main">
           <header className="vp-topbar">
@@ -150,7 +172,7 @@ export function AppShell({
               ) : null}
               <Tag color="blue">生产环境</Tag>
               {platformRelease ? <Tag color="blue">版本 {platformRelease}</Tag> : null}
-              <Tag color="grey">32960 / 808 / MQTT 归一</Tag>
+              <Tag color="grey">多源数据归并</Tag>
               <Tag color={amapConfigured ? 'green' : 'orange'}>{amapConfigured ? '地图就绪' : '地图待配置'}</Tag>
               <Button size="small" aria-label="顶部地图态势" onClick={() => onChange('map')}>实时地图</Button>
               <Button size="small" aria-label="顶部实时监控" onClick={() => onChange('realtime')}>实时监控</Button>
diff --git a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
index 96e8caa9..6c8511fa 100644
--- a/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Dashboard.tsx
@@ -360,6 +360,28 @@ export function Dashboard({
       onClick: () => onOpenMileage()
     }
   ];
+  const vehicleServicePrinciples = [
+    {
+      title: '一车一档',
+      value: formatCount(serviceSummary?.totalVehicles),
+      detail: '以 VIN 为主对象沉淀车牌、手机号、OEM、绑定状态和来源覆盖。'
+    },
+    {
+      title: '一车一实时',
+      value: formatCount(serviceSummary?.onlineVehicles ?? summary?.onlineVehicles),
+      detail: '实时状态合并位置、在线、速度、SOC、里程和来源新鲜度。'
+    },
+    {
+      title: '一车一轨迹',
+      value: formatCount(commandLocatedCount),
+      detail: '轨迹回放围绕车辆展开，协议来源只作为证据过滤条件。'
+    },
+    {
+      title: '一车一统计',
+      value: formatCount(serviceSummary?.totalVehicles),
+      detail: '里程等运营指标按车辆口径闭合，再回溯到来源证据。'
+    }
+  ];
   const workflowSteps = [
     {
       title: '接入巡检',
@@ -438,6 +460,17 @@ export function Dashboard({
             <Tag color={(summary?.kafkaLag ?? 0) > 0 ? 'orange' : 'green'}>Kafka Lag {formatLag(summary?.kafkaLag)}</Tag>
           </Space>
         </Card>
+        <Card bordered title="一车一服务模型" style={{ marginBottom: 16 }}>
+          <div className="vp-service-model-grid">
+            {vehicleServicePrinciples.map((item) => (
+              <div key={item.title} className="vp-service-model-item">
+                <Tag color="blue">{item.title}</Tag>
+                <div className="vp-service-model-value">{item.value}</div>
+                <Typography.Text type="secondary">{item.detail}</Typography.Text>
+              </div>
+            ))}
+          </div>
+        </Card>
         <Card bordered title="全链路值班闭环" style={{ marginBottom: 16 }}>
           <div className="vp-operation-flow">
             {workflowSteps.map((item, index) => (
diff --git a/vehicle-data-platform/apps/web/src/styles/global.css b/vehicle-data-platform/apps/web/src/styles/global.css
index a6a5bf88..5515fa25 100644
--- a/vehicle-data-platform/apps/web/src/styles/global.css
+++ b/vehicle-data-platform/apps/web/src/styles/global.css
@@ -69,6 +69,23 @@ body {
   white-space: nowrap;
 }
 
+.vp-nav-groups {
+  display: grid;
+  gap: 12px;
+}
+
+.vp-nav-group {
+  min-width: 0;
+}
+
+.vp-nav-section-title {
+  padding: 0 12px 6px;
+  color: var(--vp-text-subtle);
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 18px;
+}
+
 .vp-main {
   min-width: 0;
 }
@@ -878,6 +895,30 @@ body {
   gap: 12px;
 }
 
+.vp-service-model-grid {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 12px;
+}
+
+.vp-service-model-item {
+  min-height: 132px;
+  padding: 14px;
+  border: 1px solid var(--vp-border);
+  border-radius: var(--vp-radius);
+  background: #fbfcff;
+  display: grid;
+  gap: 10px;
+  align-content: start;
+}
+
+.vp-service-model-value {
+  color: var(--vp-text);
+  font-size: 26px;
+  font-weight: 700;
+  line-height: 32px;
+}
+
 .vp-operation-step {
   min-height: 176px;
   padding: 14px;
@@ -1031,6 +1072,7 @@ body {
   .vp-evidence-grid,
   .vp-action-grid,
   .vp-operation-flow,
+  .vp-service-model-grid,
   .vp-capability-grid,
   .vp-conclusion-grid,
   .vp-monitor-layout,
diff --git a/vehicle-data-platform/apps/web/src/test/App.test.tsx b/vehicle-data-platform/apps/web/src/test/App.test.tsx
index c138b5ea..74b3cca6 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -12,6 +12,10 @@ afterEach(() => {
 test('renders vehicle platform shell', () => {
   render(<App />);
   expect(screen.getByText('车辆服务中台')).toBeInTheDocument();
+  expect(screen.getByText('一车一服务 / 多源归并')).toBeInTheDocument();
+  expect(screen.getByText('车辆工作台')).toBeInTheDocument();
+  expect(screen.getByText('查询分析')).toBeInTheDocument();
+  expect(screen.getByText('告警运维')).toBeInTheDocument();
   expect(screen.getAllByText('运营驾驶舱').length).toBeGreaterThanOrEqual(1);
 });