diff --git a/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.test.tsx b/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.test.tsx
index 5ef067d3..d9c72c3d 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.test.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.test.tsx
@@ -63,6 +63,7 @@ test('renders reconciliation queue, loads evidence on demand and records review
   expect(screen.getByLabelText('运维质量操作')).toHaveClass('v2-workspace-command-bar', 'v2-ops-command-bar');
   expect(screen.getByRole('tab', { name: '差异处置', selected: true })).toHaveClass('semi-button');
   expect(screen.getByRole('tabpanel', { name: '差异处置' })).toBeInTheDocument();
+  expect(document.querySelector('.v2-ops-page')).toHaveClass('is-reconciliation');
   expect(screen.queryByText('先选择一辆车')).not.toBeInTheDocument();
   expect(screen.getByText('数据差异中心').closest('.semi-card')).toHaveClass('v2-reconcile-center');
   expect(screen.getByText('数据差异中心').closest('.v2-workspace-panel-header')).toHaveClass('v2-reconcile-heading');
@@ -118,6 +119,7 @@ test('renders only the compact mobile reconciliation surface and defers secondar
 
   expect(await screen.findByText('多来源实时位置漂移')).toBeInTheDocument();
   expect(document.querySelector('.v2-reconcile-mobile-card.semi-card')).toBeInTheDocument();
+  expect(screen.getByRole('region', { name: '差异队列，可上下滚动' })).toHaveAttribute('tabindex', '0');
   expect(document.querySelector('.v2-reconcile-table.semi-table-wrapper')).not.toBeInTheDocument();
   expect(mocks.reconciliationIssues).toHaveBeenCalledWith(expect.objectContaining({ limit: 20 }), expect.any(AbortSignal));
   const mobileIssueAction = screen.getByRole('button', { name: '查看 粤A00001 差异证据' });
@@ -137,6 +139,7 @@ test('renders only the compact mobile reconciliation surface and defers secondar
 
   expect(screen.queryByText('近 30 天趋势')).not.toBeInTheDocument();
   fireEvent.click(screen.getByRole('button', { name: '30 天趋势' }));
+  expect(await screen.findByRole('dialog', { name: '30 天差异趋势' })).toBeInTheDocument();
   const trend = screen.getByText('近 30 天趋势').closest('.v2-reconcile-trend');
   expect(trend).toBeInTheDocument();
   expect(screen.getByText(/最近运行/)).toBeInTheDocument();
diff --git a/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.tsx b/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.tsx
index cb90c6b9..c65a9114 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/OperationsPage.tsx
@@ -339,7 +339,7 @@ export default function OperationsPage() {
   const capacityIssueCount = data?.capacityFindings.length ?? 0;
   const healthIssueCount = linkIssueCount + runtimeIssueCount + capacityIssueCount + Number((data?.kafkaLag ?? 0) > 0);
   const overallStatus = !data ? 'unknown' : healthIssueCount > 0 ? 'warning' : 'ok';
-  return <div className="v2-ops-page">
+  return <div className={`v2-ops-page is-${workspace}`}>
     <WorkspaceCommandBar
       className="v2-ops-command-bar"
       ariaLabel="运维质量操作"
diff --git a/vehicle-data-platform/apps/web/src/v2/pages/ReconciliationCenter.tsx b/vehicle-data-platform/apps/web/src/v2/pages/ReconciliationCenter.tsx
index 688f0b36..4045c47f 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/ReconciliationCenter.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/ReconciliationCenter.tsx
@@ -3,7 +3,7 @@ import { Button, Card, Empty, Input, RadioGroup, Select, SideSheet, Spin, Table,
 import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
 import { useDeferredValue, useEffect, useMemo, useState } from 'react';
 import { api } from '../../api/client';
-import type { ReconciliationIssue } from '../../api/types';
+import type { ReconciliationIssue, ReconciliationSummary } from '../../api/types';
 import { InlineError } from '../shared/AsyncState';
 import { MobileFilterToggle } from '../shared/MobileFilterToggle';
 import { TablePagination } from '../shared/TablePagination';
@@ -77,6 +77,34 @@ function evidenceValue(value: unknown) {
   return JSON.stringify(value, null, 2);
 }
 
+function ReconciliationTrend({ data, maxTrend, onClose }: {
+  data?: ReconciliationSummary;
+  maxTrend: number;
+  onClose: () => void;
+}) {
+  return <Card className="v2-reconcile-trend" bodyStyle={{ padding: 0 }}>
+    <WorkspacePanelHeader
+      variant="compact"
+      title="近 30 天趋势"
+      meta={`最近运行 ${fmt(data?.lastRunAt)}`}
+      actions={<Button
+        className="v2-reconcile-trend-toggle"
+        theme="borderless"
+        type="tertiary"
+        size="small"
+        icon={<IconChevronUp />}
+        aria-label="收起趋势"
+        aria-expanded
+        aria-controls="v2-reconcile-trend"
+        onClick={onClose}
+      >收起</Button>}
+    />
+    <div>{data?.trend.slice(-14).map((item) => <article key={item.date}><time>{item.date.slice(5)}</time><div title={`存量 ${item.active}，新增 ${item.new}，恢复 ${item.recovered}`}><i className="is-active" style={{ width: `${Math.max(2, item.active / maxTrend * 100)}%` }} /><i className="is-new" style={{ width: `${Math.max(0, item.new / maxTrend * 100)}%` }} /><i className="is-recovered" style={{ width: `${Math.max(0, item.recovered / maxTrend * 100)}%` }} /></div><b>{item.active}</b></article>)}</div>
+    {!data?.trend.length ? <p>完成首次每日检测后显示趋势。</p> : null}
+    <footer><span><i className="is-active" />存量</span><span><i className="is-new" />新增</span><span><i className="is-recovered" />恢复</span></footer>
+  </Card>;
+}
+
 function ReconciliationDetail({ issue, onClose, sheet = false }: { issue: ReconciliationIssue; onClose: () => void; sheet?: boolean }) {
   const queryClient = useQueryClient();
   const [status, setStatus] = useState(issue.status === 'recovered' ? 'pending' : issue.status);
@@ -148,6 +176,7 @@ export default function ReconciliationCenter() {
   const [trendExpanded, setTrendExpanded] = useState(false);
   const closeDetail = () => setSelectedID('');
   useSideSheetA11y(mobileLayout && Boolean(selectedID), '.v2-reconcile-detail-sidesheet', 'v2-reconcile-detail-sheet', '差异证据与处置', '关闭差异详情');
+  useSideSheetA11y(mobileLayout && trendExpanded, '.v2-reconcile-trend-sidesheet', 'v2-reconcile-trend-sheet', '30 天差异趋势', '关闭 30 天差异趋势');
   useEffect(() => setOffset(0), [deferredKeyword, mobileLayout, ruleCode, severity, status]);
 
   const summary = useQuery({
@@ -266,7 +295,12 @@ export default function ReconciliationCenter() {
           ]} />
         </div>
         {issues.isError ? <InlineError message={issues.error.message} onRetry={() => issues.refetch()} /> : null}
-        <div className="v2-reconcile-table-wrap">
+        <div
+          className="v2-reconcile-table-wrap is-scroll-region"
+          role="region"
+          aria-label="差异队列，可上下滚动"
+          tabIndex={0}
+        >
           {!mobileLayout ? <Table className="v2-reconcile-table" columns={columns} dataSource={issueRows} rowKey="id" pagination={false} scroll={{ x: 934 }} onRow={(item) => item ? detailTriggerRow({
             className: selectedID === item.id ? 'is-selected' : '',
             expanded: selectedID === item.id,
@@ -275,7 +309,12 @@ export default function ReconciliationCenter() {
             onOpen: () => setSelectedID(item.id)
           }) : ({})} /> : <div className="v2-reconcile-mobile-list">{issueRows.map((item) => <Card key={item.id} className={`v2-reconcile-mobile-card${selectedID === item.id ? ' is-selected' : ''}`} bodyStyle={{ padding: 0 }}>
             <Button theme="borderless" type="tertiary" className="v2-reconcile-mobile-action" aria-pressed={selectedID === item.id} aria-expanded={selectedID === item.id} aria-label={`查看 ${item.plate || item.title} 差异证据`} onClick={() => setSelectedID(item.id)}>
-              <span className="v2-reconcile-mobile-content"><header><span><ReconciliationSeverityTag severity={item.severity} /><ReconciliationStatusTag status={item.status} /></span><small>{fmt(item.lastSeenAt)}</small></header><strong>{item.title}</strong><p>{ruleLabel(item.ruleCode)} · 命中 {item.occurrenceCount.toLocaleString('zh-CN')} 次</p><dl><div><dt>车辆</dt><dd>{item.plate || '非单车差异'}</dd></div><div><dt>来源</dt><dd>{[item.protocolA, item.protocolB].filter(Boolean).join(' / ') || '平台口径'}</dd></div></dl><footer>查看证据与处置<IconChevronRight /></footer></span>
+              <span className="v2-reconcile-mobile-content">
+                <header><strong>{item.plate || '平台级差异'}</strong><span><ReconciliationSeverityTag severity={item.severity} /><ReconciliationStatusTag status={item.status} /></span></header>
+                <p>{item.title}</p>
+                <span className="v2-reconcile-mobile-meta"><span>{[item.protocolA, item.protocolB].filter(Boolean).join(' / ') || '平台口径'}</span><time>{fmt(item.lastSeenAt)}</time></span>
+                <footer><span>{ruleLabel(item.ruleCode)} · 命中 {item.occurrenceCount.toLocaleString('zh-CN')} 次</span><span>证据与处置<IconChevronRight /></span></footer>
+              </span>
             </Button>
           </Card>)}</div>}
           {issues.isPending ? <div className="v2-reconcile-loading" role="status"><Spin size="middle" tip="正在读取差异队列…" /></div> : null}
@@ -283,27 +322,7 @@ export default function ReconciliationCenter() {
         </div>
         <footer className="v2-reconcile-pagination"><TablePagination page={currentPage} totalPages={totalPages} info={`共 ${(page?.total ?? 0).toLocaleString('zh-CN')} 条 · 本页 ${activeCount} 条活跃`} onPageChange={(next) => setOffset((next - 1) * pageSize)} /></footer>
       </div>
-      {trendExpanded ? <div id="v2-reconcile-trend" className="v2-reconcile-trend-slot"><Card className="v2-reconcile-trend" bodyStyle={{ padding: 0 }}>
-        <WorkspacePanelHeader
-          variant="compact"
-          title="近 30 天趋势"
-          meta={`最近运行 ${fmt(data?.lastRunAt)}`}
-          actions={<Button
-            className="v2-reconcile-trend-toggle"
-            theme="borderless"
-            type="tertiary"
-            size="small"
-            icon={<IconChevronUp />}
-            aria-label="收起趋势"
-            aria-expanded
-            aria-controls="v2-reconcile-trend"
-            onClick={() => setTrendExpanded(false)}
-          >收起</Button>}
-        />
-        <><div>{data?.trend.slice(-14).map((item) => <article key={item.date}><time>{item.date.slice(5)}</time><div title={`存量 ${item.active}，新增 ${item.new}，恢复 ${item.recovered}`}><i className="is-active" style={{ width: `${Math.max(2, item.active / maxTrend * 100)}%` }} /><i className="is-new" style={{ width: `${Math.max(0, item.new / maxTrend * 100)}%` }} /><i className="is-recovered" style={{ width: `${Math.max(0, item.recovered / maxTrend * 100)}%` }} /></div><b>{item.active}</b></article>)}</div>
-        {!data?.trend.length ? <p>完成首次每日检测后显示趋势。</p> : null}
-        <footer><span><i className="is-active" />存量</span><span><i className="is-new" />新增</span><span><i className="is-recovered" />恢复</span></footer></>
-      </Card></div> : null}
+      {trendExpanded && !mobileLayout ? <div id="v2-reconcile-trend" className="v2-reconcile-trend-slot"><ReconciliationTrend data={data} maxTrend={maxTrend} onClose={() => setTrendExpanded(false)} /></div> : null}
       {!mobileLayout ? detailPanel : null}
     </div>
   </Card>
@@ -317,5 +336,16 @@ export default function ReconciliationCenter() {
   >
     {mobileLayout ? detailPanel : null}
   </SideSheet>
+  <SideSheet
+    className="v2-reconcile-trend-sidesheet"
+    visible={mobileLayout && trendExpanded}
+    width="100%"
+    aria-label="30 天差异趋势"
+    title="30 天差异趋势"
+    footer={null}
+    onCancel={() => setTrendExpanded(false)}
+  >
+    {mobileLayout && trendExpanded ? <div id="v2-reconcile-trend"><ReconciliationTrend data={data} maxTrend={maxTrend} onClose={() => setTrendExpanded(false)} /></div> : null}
+  </SideSheet>
   </>;
 }
diff --git a/vehicle-data-platform/apps/web/src/v2/styles/workspace.css b/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
index 0d0abd89..a1e1b8ae 100644
--- a/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
+++ b/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
@@ -7824,3 +7824,389 @@
     overflow: visible;
   }
 }
+
+/* Semi UI operations queue: one fixed workbench with an independently scrolling evidence list. */
+.v2-ops-workspace.is-reconciliation {
+  display: block;
+  overflow: hidden;
+}
+
+.v2-ops-workspace.is-reconciliation > .v2-reconcile-center.semi-card {
+  width: 100%;
+  height: 100%;
+  min-height: 0;
+}
+
+.v2-reconcile-center > .semi-card-body {
+  display: flex;
+  height: 100%;
+  min-height: 0;
+  flex-direction: column;
+}
+
+.v2-reconcile-heading,
+.v2-reconcile-overview,
+.v2-reconcile-pagination {
+  flex: 0 0 auto;
+}
+
+.v2-reconcile-layout,
+.v2-reconcile-layout.is-trend-open {
+  height: auto !important;
+  min-height: 0 !important;
+  flex: 1 1 0;
+  overflow: hidden;
+}
+
+.v2-reconcile-main {
+  min-height: 0;
+}
+
+.v2-reconcile-table-wrap.is-scroll-region {
+  min-height: 0;
+  flex: 1 1 0;
+  overflow: auto;
+  overscroll-behavior: contain;
+  scrollbar-gutter: stable;
+}
+
+.v2-reconcile-table-wrap.is-scroll-region:focus-visible {
+  outline: 2px solid rgba(18, 104, 243, .34);
+  outline-offset: -2px;
+}
+
+.v2-reconcile-pagination {
+  min-height: 48px;
+}
+
+.v2-reconcile-trend-sidesheet .semi-sidesheet-body {
+  overflow: auto;
+  background: #f6f8fb;
+  padding: 10px;
+}
+
+.v2-reconcile-trend-sidesheet .v2-reconcile-trend.semi-card {
+  overflow: hidden;
+  border: 1px solid #dce5ef;
+  border-radius: 12px;
+  background: #fff;
+  box-shadow: 0 8px 26px rgba(31, 53, 80, .07);
+}
+
+@media (max-width: 680px) {
+  .v2-ops-page.is-reconciliation {
+    height: 100%;
+    min-height: 0;
+    overflow: hidden;
+    padding-bottom: 7px;
+  }
+
+  .v2-ops-page.is-reconciliation > .v2-ops-command-bar,
+  .v2-ops-page.is-reconciliation > .v2-ops-tabs {
+    flex: 0 0 auto;
+  }
+
+  .v2-ops-page.is-reconciliation > .v2-ops-workspace.is-reconciliation {
+    display: block;
+    min-height: 0;
+    flex: 1 1 0;
+    overflow: hidden;
+  }
+
+  .v2-reconcile-heading.v2-workspace-panel-header {
+    min-height: 54px;
+    padding: 7px 8px;
+  }
+
+  .v2-reconcile-heading > .v2-workspace-panel-actions {
+    gap: 6px;
+  }
+
+  .v2-reconcile-heading > .v2-workspace-panel-actions > .semi-button {
+    min-height: 38px;
+    border-radius: 8px;
+    font-size: 10px;
+  }
+
+  .v2-reconcile-overview {
+    height: 68px;
+    grid-template-columns: minmax(0, 4fr) minmax(66px, 1fr);
+    gap: 0;
+    border-bottom: 1px solid #e3eaf2;
+    background: #fff;
+    padding: 0;
+  }
+
+  .v2-reconcile-overview > .v2-reconcile-kpis {
+    height: 67px;
+    grid-template-columns: repeat(4, minmax(0, 1fr));
+    gap: 0;
+    background: #fff;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card.semi-card {
+    height: 67px;
+    border: 0;
+    border-radius: 0;
+    box-shadow: none;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card + .v2-reconcile-kpi-card {
+    border-left: 1px solid #e6ebf2;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card > .semi-card-body {
+    display: grid;
+    height: 67px;
+    min-height: 0;
+    align-content: center;
+    gap: 5px;
+    padding: 6px 4px !important;
+    text-align: center;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card.is-active {
+    background: #f2f7ff;
+    box-shadow: inset 0 -3px #1f6feb;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card small {
+    overflow: hidden;
+    color: #75849a;
+    font-size: 8px;
+    font-weight: 650;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card strong {
+    margin: 0;
+    color: #263b52;
+    font-size: 17px;
+    line-height: 1;
+  }
+
+  .v2-reconcile-overview .v2-reconcile-kpi-card span {
+    display: none;
+  }
+
+  .v2-reconcile-sla.semi-card {
+    height: 67px;
+    border: 0;
+    border-left: 1px solid #e6ebf2;
+    border-radius: 0;
+    box-shadow: none;
+  }
+
+  .v2-reconcile-sla > .semi-card-body {
+    display: grid;
+    height: 67px;
+    min-height: 0;
+    grid-template-columns: minmax(0, 1fr);
+    grid-template-rows: auto auto;
+    align-content: center;
+    gap: 5px;
+    padding: 6px 4px !important;
+    text-align: center;
+  }
+
+  .v2-reconcile-sla span {
+    justify-content: center;
+  }
+
+  .v2-reconcile-sla span small,
+  .v2-reconcile-sla p {
+    display: none;
+  }
+
+  .v2-reconcile-sla .semi-tag {
+    min-height: 20px;
+    padding-inline: 6px;
+    font-size: 8px;
+  }
+
+  .v2-reconcile-sla strong {
+    grid-column: 1;
+    grid-row: 2;
+    justify-self: center;
+    font-size: 17px;
+  }
+
+  .v2-reconcile-layout,
+  .v2-reconcile-layout.is-trend-open {
+    display: flex;
+    min-height: 0;
+    flex: 1 1 0;
+    flex-direction: column;
+  }
+
+  .v2-reconcile-main {
+    min-height: 0;
+    flex: 1 1 0;
+    overflow: hidden;
+  }
+
+  .v2-reconcile-main > .v2-mobile-filter-toggle {
+    width: calc(100% - 12px);
+    flex: 0 0 auto;
+    margin: 6px;
+  }
+
+  .v2-reconcile-toolbar {
+    flex: 0 0 auto;
+  }
+
+  .v2-reconcile-table-wrap.is-scroll-region {
+    min-height: 0;
+    flex: 1 1 0;
+    overflow-x: hidden;
+    overflow-y: auto;
+    scrollbar-width: auto;
+    touch-action: pan-y;
+    -webkit-overflow-scrolling: touch;
+  }
+
+  .v2-reconcile-table-wrap.is-scroll-region::-webkit-scrollbar {
+    width: 11px;
+  }
+
+  .v2-reconcile-table-wrap.is-scroll-region::-webkit-scrollbar-thumb {
+    border: 3px solid transparent;
+    border-radius: 999px;
+    background: #9cacc0;
+    background-clip: padding-box;
+  }
+
+  .v2-reconcile-mobile-list {
+    gap: 6px;
+    padding: 6px;
+  }
+
+  .v2-reconcile-mobile-card.semi-card {
+    border-radius: 9px;
+    contain-intrinsic-size: auto 118px;
+  }
+
+  .v2-reconcile-mobile-action.semi-button {
+    min-height: 116px;
+  }
+
+  .v2-reconcile-mobile-content {
+    gap: 5px;
+    padding: 8px 9px 7px;
+  }
+
+  .v2-reconcile-mobile-content > header {
+    min-width: 0;
+    gap: 6px;
+  }
+
+  .v2-reconcile-mobile-content > header > strong {
+    min-width: 0;
+    overflow: hidden;
+    color: #243a52;
+    font-size: 13px;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .v2-reconcile-mobile-content > header > span {
+    display: flex;
+    flex: 0 0 auto;
+    align-items: center;
+    gap: 4px;
+  }
+
+  .v2-reconcile-mobile-card :is(.v2-reconcile-severity, .v2-reconcile-status).semi-tag {
+    min-height: 20px;
+    border-radius: 5px;
+    padding-inline: 5px;
+    font-size: 8px;
+  }
+
+  .v2-reconcile-mobile-content > p {
+    overflow: hidden;
+    color: #43576e;
+    font-size: 10px;
+    font-weight: 650;
+    line-height: 15px;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .v2-reconcile-mobile-meta {
+    display: flex;
+    min-width: 0;
+    align-items: center;
+    justify-content: space-between;
+    gap: 8px;
+    color: #7b899a;
+    font-size: 8px;
+    line-height: 12px;
+  }
+
+  .v2-reconcile-mobile-meta > span {
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .v2-reconcile-mobile-meta > time {
+    flex: 0 0 auto;
+    font-variant-numeric: tabular-nums;
+  }
+
+  .v2-reconcile-mobile-content > footer {
+    min-height: 27px;
+    justify-content: space-between;
+    gap: 8px;
+    font-size: 9px;
+  }
+
+  .v2-reconcile-mobile-content > footer > span {
+    display: flex;
+    min-width: 0;
+    align-items: center;
+    gap: 3px;
+  }
+
+  .v2-reconcile-mobile-content > footer > span:first-child {
+    overflow: hidden;
+    color: #75859a;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .v2-reconcile-mobile-content > footer > span:last-child {
+    flex: 0 0 auto;
+    color: var(--v2-blue);
+  }
+
+  .v2-reconcile-pagination {
+    min-height: 50px;
+    flex-direction: row;
+    align-items: center;
+    justify-content: center;
+    gap: 0;
+    padding: 5px 6px;
+  }
+
+  .v2-reconcile-pagination .v2-table-pagination-info {
+    display: none;
+  }
+
+  .v2-reconcile-pagination .v2-table-pagination-controls {
+    width: 100%;
+    justify-content: center;
+  }
+
+  .v2-reconcile-pagination .v2-table-pagination-button.semi-button,
+  .v2-reconcile-pagination .v2-table-pagination-current {
+    height: 34px;
+  }
+
+  .v2-reconcile-trend-sidesheet .semi-sidesheet-inner {
+    width: 100% !important;
+  }
+}