diff --git a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
index c54daf20..ad737317 100644
--- a/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
+++ b/vehicle-data-platform/apps/web/src/pages/Realtime.tsx
@@ -850,6 +850,62 @@ export function Realtime({
       onClick: openTimeWindowQuality
     }
   ];
+  const timeWindowTaskItems = [
+    {
+      step: '1',
+      title: '锁定车辆',
+      value: timeWindowRow?.plate || timeWindowKeyword || '未选择车辆',
+      detail: timeWindowReady ? `${timeWindow.dateFrom} 至 ${timeWindow.dateTo}` : '先从实时列表或地图选择车辆，再确认时间窗。',
+      action: timeWindowReady ? '已锁定' : '先选车辆',
+      color: timeWindowReady ? 'green' as const : 'orange' as const,
+      disabled: false,
+      onClick: () => {
+        if (!timeWindowReady) {
+          Toast.warning('请先选择车辆和时间窗');
+        }
+      }
+    },
+    {
+      step: '2',
+      title: '轨迹复盘',
+      value: timeWindowDuration,
+      detail: '回放位置、速度、里程断点和停留变化。',
+      action: '轨迹回放',
+      color: 'blue' as const,
+      disabled: !timeWindowReady,
+      onClick: openTimeWindowHistory
+    },
+    {
+      step: '3',
+      title: '里程核对',
+      value: timeWindowRow?.totalMileageKm != null ? `${timeWindowRow.totalMileageKm} km` : '待核对',
+      detail: '用同一时间窗进入里程统计，核对区间差值和日统计闭合。',
+      action: '统计查询',
+      color: timeWindowRow?.totalMileageKm != null ? 'blue' as const : 'orange' as const,
+      disabled: !timeWindowReady,
+      onClick: openTimeWindowMileage
+    },
+    {
+      step: '4',
+      title: '历史导出',
+      value: timeWindowProtocol || '全部通道',
+      detail: '导出位置、原始帧和字段证据，支撑客户问询。',
+      action: '导出证据',
+      color: 'blue' as const,
+      disabled: !timeWindowReady,
+      onClick: openTimeWindowRaw
+    },
+    {
+      step: '5',
+      title: '告警闭环',
+      value: timeWindowRow ? vehicleServiceStatus(timeWindowRow).label : '待选择',
+      detail: '复盘断链、离线、定位异常和通知处理记录。',
+      action: '告警复盘',
+      color: timeWindowRow && hasSourceIssue(timeWindowRow) ? 'orange' as const : timeWindowReady ? 'green' as const : 'grey' as const,
+      disabled: !timeWindowReady || !onOpenQuality,
+      onClick: openTimeWindowQuality
+    }
+  ];
   const mapPoints: VehicleMapPoint[] = rows.map((row, index) => ({
     id: realtimeMapPointId(row, index),
     label: row.plate || row.vin || 'unknown',
@@ -1763,6 +1819,33 @@ export function Realtime({
           ))}
         </div>
       </div>
+      <div className="vp-time-window-task-board">
+        <div className="vp-time-window-task-summary">
+          <Space wrap>
+            <Tag color="blue">时间窗监控任务台</Tag>
+            <Tag color={timeWindowReady ? 'green' : 'orange'}>{timeWindowReady ? '可交付' : '待锁定'}</Tag>
+          </Space>
+          <Typography.Text strong>把同一辆车、同一时间窗贯穿到轨迹、里程、历史导出和告警说明，避免客户跨页面重复筛选。</Typography.Text>
+        </div>
+        <div className="vp-time-window-task-grid">
+          {timeWindowTaskItems.map((item) => (
+            <button
+              key={item.step}
+              type="button"
+              className="vp-time-window-task-item"
+              disabled={item.disabled}
+              onClick={item.onClick}
+              aria-label={`时间窗监控任务台 ${item.step} ${item.title} ${item.value} ${item.action}`}
+            >
+              <Tag color={item.color}>{item.step}</Tag>
+              <strong>{item.title}</strong>
+              <span>{item.value}</span>
+              <small>{item.detail}</small>
+              <em>{item.action}</em>
+            </button>
+          ))}
+        </div>
+      </div>
     </Card>
   );
 
diff --git a/vehicle-data-platform/apps/web/src/styles/global.css b/vehicle-data-platform/apps/web/src/styles/global.css
index 75826bba..3e3aca4b 100644
--- a/vehicle-data-platform/apps/web/src/styles/global.css
+++ b/vehicle-data-platform/apps/web/src/styles/global.css
@@ -7,7 +7,7 @@
 
 body {
   margin: 0;
-  min-width: 1280px;
+  min-width: 0;
   background: var(--vp-bg);
   color: var(--vp-text);
   font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
@@ -3954,6 +3954,79 @@ body {
   align-self: end;
 }
 
+.vp-time-window-task-board {
+  padding: 14px;
+  border-top: 1px solid var(--vp-border);
+  display: grid;
+  gap: 12px;
+}
+
+.vp-time-window-task-summary {
+  display: grid;
+  gap: 8px;
+}
+
+.vp-time-window-task-grid {
+  display: grid;
+  grid-template-columns: repeat(5, minmax(0, 1fr));
+  gap: 10px;
+}
+
+.vp-time-window-task-item {
+  min-height: 164px;
+  padding: 12px;
+  border: 1px solid var(--vp-border);
+  border-radius: var(--vp-radius);
+  background: #fbfcff;
+  color: inherit;
+  cursor: pointer;
+  font: inherit;
+  text-align: left;
+  display: grid;
+  align-content: start;
+  gap: 8px;
+}
+
+.vp-time-window-task-item:not(:disabled):hover,
+.vp-time-window-task-item:not(:disabled):focus-visible {
+  border-color: rgba(22, 100, 255, 0.42);
+  background: #f5f9ff;
+  outline: none;
+}
+
+.vp-time-window-task-item:disabled {
+  cursor: not-allowed;
+  opacity: 0.62;
+}
+
+.vp-time-window-task-item strong {
+  color: var(--vp-text);
+  font-size: 15px;
+  line-height: 21px;
+  font-weight: 700;
+}
+
+.vp-time-window-task-item span {
+  color: var(--vp-text);
+  font-size: 16px;
+  line-height: 22px;
+  font-weight: 700;
+  word-break: break-word;
+}
+
+.vp-time-window-task-item small {
+  color: var(--vp-text-muted);
+  font-size: 12px;
+  line-height: 18px;
+}
+
+.vp-time-window-task-item em {
+  color: var(--vp-primary);
+  font-size: 12px;
+  font-style: normal;
+  font-weight: 700;
+}
+
 .vp-realtime-command-board {
   margin-bottom: 16px;
   padding: 14px;
@@ -11065,6 +11138,22 @@ button.vp-realtime-command-item:focus-visible {
 }
 
 @media (max-width: 900px) {
+  .vp-shell {
+    grid-template-columns: minmax(0, 1fr);
+  }
+
+  .vp-sidebar {
+    position: relative;
+    height: auto;
+    padding: 12px;
+  }
+
+  .vp-topbar {
+    position: relative;
+    grid-template-columns: minmax(0, 1fr);
+    padding: 12px;
+  }
+
   .vp-evidence-grid,
   .vp-action-grid,
   .vp-fleet-monitor .semi-card-body,
@@ -11160,6 +11249,7 @@ button.vp-realtime-command-item:focus-visible {
   .vp-time-window-monitor .semi-card-body,
   .vp-time-window-controls,
   .vp-time-window-actions,
+  .vp-time-window-task-grid,
   .vp-realtime-command-board,
   .vp-realtime-command-grid,
   .vp-realtime-impact-board,
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 8d1494fb..5761e0fc 100644
--- a/vehicle-data-platform/apps/web/src/test/App.test.tsx
+++ b/vehicle-data-platform/apps/web/src/test/App.test.tsx
@@ -50,6 +50,7 @@ test('renders vehicle platform shell', () => {
   expect(screen.getByText('内部')).toBeInTheDocument();
   expect(screen.getByText('客户主流程外查看链路质量')).toBeInTheDocument();
   expect(screen.getAllByText('运营总览').length).toBeGreaterThanOrEqual(1);
+  expect(getComputedStyle(document.body).minWidth).not.toBe('1280px');
 });
 
 test('topbar frames customer work as a vehicle service delivery strip', () => {
@@ -10420,6 +10421,13 @@ test('frames realtime page as one vehicle service with source evidence', async (
   expect(writeText).toHaveBeenCalledWith(expect.stringContaining('地图能力：高德地图未配置，使用坐标预览'));
   expect(screen.getByText('自定义时间窗复盘')).toBeInTheDocument();
   expect(screen.getByText('按车辆和时间窗复盘发生了什么')).toBeInTheDocument();
+  expect(screen.getByText('时间窗监控任务台')).toBeInTheDocument();
+  expect(screen.getByText('把同一辆车、同一时间窗贯穿到轨迹、里程、历史导出和告警说明，避免客户跨页面重复筛选。')).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '时间窗监控任务台 1 锁定车辆 粤ART002 已锁定' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '时间窗监控任务台 2 轨迹复盘 1 天窗口 轨迹回放' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '时间窗监控任务台 3 里程核对 119925 km 统计查询' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '时间窗监控任务台 4 历史导出 GB32960 导出证据' })).toBeInTheDocument();
+  expect(screen.getByRole('button', { name: '时间窗监控任务台 5 告警闭环 服务正常 告警复盘' })).toBeInTheDocument();
   expect(screen.getByRole('button', { name: '时间窗复盘 轨迹回放 打开轨迹' })).toBeInTheDocument();
   expect(screen.getByRole('button', { name: '时间窗复盘 历史数据 查询历史' })).toBeInTheDocument();
   fireEvent.click(screen.getByRole('button', { name: /复制时间窗包/ }));