diff --git a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
index b9ca492b..179f9ca2 100644
--- a/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
+++ b/vehicle-data-platform/apps/web/src/layout/AppShell.tsx
@@ -67,6 +67,14 @@ const navGroups = [
   }
 ];
 
+const customerPrimaryPath = [
+  { label: '车辆地图', page: 'map' as const },
+  { label: '轨迹回放', page: 'history' as const },
+  { label: '统计查询', page: 'mileage' as const },
+  { label: '数据导出', page: 'history-query' as const },
+  { label: '告警通知', page: 'alert-events' as const }
+];
+
 function linkHealthClassName(count: number | null) {
   if (count == null) {
     return '';
@@ -167,6 +175,25 @@ export function AppShell({
               <span>实时地图 / 轨迹统计 / 告警通知</span>
             </span>
           </div>
+          <div className="vp-customer-primary-path" aria-label="客户主线">
+            <div className="vp-customer-primary-path-head">
+              <strong>客户主线</strong>
+              <span>先看车，再查时间窗，最后导出和通知。</span>
+            </div>
+            <div className="vp-customer-primary-path-actions">
+              {customerPrimaryPath.map((item) => (
+                <button
+                  key={item.page}
+                  type="button"
+                  className={selectedPage === item.page ? 'vp-customer-primary-path-action vp-customer-primary-path-action-active' : 'vp-customer-primary-path-action'}
+                  onClick={() => onChange(item.page)}
+                  aria-label={`客户主线 ${item.label}`}
+                >
+                  {item.label}
+                </button>
+              ))}
+            </div>
+          </div>
           <div className="vp-nav-groups">
             {navGroups.map((group) => (
               <div key={group.title} className="vp-nav-group">
diff --git a/vehicle-data-platform/apps/web/src/styles/global.css b/vehicle-data-platform/apps/web/src/styles/global.css
index 3d433952..1563a75c 100644
--- a/vehicle-data-platform/apps/web/src/styles/global.css
+++ b/vehicle-data-platform/apps/web/src/styles/global.css
@@ -69,6 +69,63 @@ body {
   white-space: nowrap;
 }
 
+.vp-customer-primary-path {
+  margin: 0 4px 14px;
+  padding: 12px;
+  border: 1px solid rgba(22, 100, 255, 0.16);
+  border-radius: 8px;
+  background: #f8fbff;
+  display: grid;
+  gap: 10px;
+}
+
+.vp-customer-primary-path-head {
+  display: grid;
+  gap: 3px;
+}
+
+.vp-customer-primary-path-head strong {
+  color: var(--vp-text);
+  font-size: 13px;
+  line-height: 18px;
+}
+
+.vp-customer-primary-path-head span {
+  color: var(--vp-text-muted);
+  font-size: 11px;
+  line-height: 16px;
+}
+
+.vp-customer-primary-path-actions {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 6px;
+}
+
+.vp-customer-primary-path-action {
+  min-height: 30px;
+  padding: 5px 8px;
+  border: 1px solid var(--vp-border);
+  border-radius: 7px;
+  background: #ffffff;
+  color: var(--vp-text-muted);
+  cursor: pointer;
+  font: inherit;
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 18px;
+  text-align: center;
+}
+
+.vp-customer-primary-path-action:hover,
+.vp-customer-primary-path-action:focus-visible,
+.vp-customer-primary-path-action-active {
+  border-color: rgba(22, 100, 255, 0.38);
+  background: #ffffff;
+  color: var(--vp-primary);
+  outline: none;
+}
+
 .vp-nav-groups {
   display: grid;
   gap: 12px;
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 a33211cc..9cffc627 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -22,6 +22,13 @@ test('renders vehicle platform shell', () => {
   render(<App />);
   expect(screen.getByText('车辆服务中台')).toBeInTheDocument();
   expect(screen.getByText('实时地图 / 轨迹统计 / 告警通知')).toBeInTheDocument();
+  expect(screen.getByText('客户主线')).toBeInTheDocument();
+  expect(screen.getByText('先看车，再查时间窗，最后导出和通知。')).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '客户主线 车辆地图' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '客户主线 轨迹回放' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '客户主线 统计查询' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '客户主线 数据导出' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '客户主线 告警通知' })).toBeInTheDocument();
   expect(screen.getByText('实时运营')).toBeInTheDocument();
   expect(screen.getByText('地图看车、在线监控、异常优先')).toBeInTheDocument();
   expect(screen.getAllByText('车辆服务').length).toBeGreaterThanOrEqual(1);