diff --git a/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.test.tsx b/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.test.tsx
index 42d30b7d..00c5c3e3 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.test.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.test.tsx
@@ -255,9 +255,16 @@ test('uses a Semi bottom SideSheet for mobile track criteria and evidence', asyn
   });
   expect(sheet).toHaveClass('semi-sidesheet-inner');
   expect(document.querySelector('.v2-track-detail-sidesheet .v2-track-rail')).toBeInTheDocument();
-  expect(document.querySelector('.v2-track-detail-sidesheet .v2-track-query-summary')).not.toBeInTheDocument();
+  expect(document.querySelector('.v2-track-detail-sidesheet .v2-track-query-summary')).toBeInTheDocument();
+  expect(screen.queryByRole('textbox', { name: '搜索轨迹车辆' })).not.toBeInTheDocument();
   expect(screen.getByText('07-15 00:00 – 07-15 23:59 · 自动来源')).toBeInTheDocument();
   expect(screen.getByText('8 km · 1 个停留 · 3 个事件')).toBeInTheDocument();
+  fireEvent.click(screen.getByRole('button', { name: /停留 00:05:00/ }));
+  expect(view.container.querySelector('.v2-track-page')).toHaveClass('is-rail-collapsed');
+  fireEvent.click(screen.getByRole('button', { name: '打开轨迹详情' }));
+  await screen.findByRole('dialog', { name: '轨迹查询与明细' });
+  fireEvent.click(screen.getByRole('button', { name: '修改条件' }));
+  expect(screen.getByRole('textbox', { name: '搜索轨迹车辆' })).toHaveValue('LTEST000000000001');
   expect(screen.getByRole('button', { name: '关闭轨迹查询与明细' })).toBeInTheDocument();
 });
 
diff --git a/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx b/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx
index b21e3913..9775ea80 100644
--- a/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/pages/TrackPage.tsx
@@ -175,7 +175,7 @@ function OverviewPanel({ track }: { track: TrackPlaybackResponse }) {
   </div>;
 }
 
-const TrackRail = memo(function TrackRail({ draft, track, loading, activeStopIndexes, activeEventIndexes, tab, queryCollapsed, mobileLayout, onDraft, onSubmit, onTab, onSelectIndex, onToggleQuery, onCollapse }: {
+const TrackRail = memo(function TrackRail({ draft, track, loading, activeStopIndexes, activeEventIndexes, tab, queryCollapsed, onDraft, onSubmit, onTab, onSelectIndex, onToggleQuery, onCollapse }: {
   draft: Draft;
   track?: TrackPlaybackResponse;
   loading: boolean;
@@ -183,7 +183,6 @@ const TrackRail = memo(function TrackRail({ draft, track, loading, activeStopInd
   activeEventIndexes: readonly number[];
   tab: PanelTab;
   queryCollapsed: boolean;
-  mobileLayout: boolean;
   onDraft: (draft: Draft) => void;
   onSubmit: (event: FormEvent) => void;
   onTab: (tab: PanelTab) => void;
@@ -216,7 +215,7 @@ const TrackRail = memo(function TrackRail({ draft, track, loading, activeStopInd
             <Button className="v2-track-rail-hide" theme="borderless" aria-label="隐藏查询与明细" icon={<IconChevronLeft />} onClick={onCollapse}><span className="v2-track-rail-hide-label">地图</span></Button>
           </>}
         />
-        {queryCollapsed && !mobileLayout ? <div className="v2-track-query-summary">
+        {queryCollapsed ? <div className="v2-track-query-summary">
           <span><strong>{draft.keyword || '尚未选择车辆'}</strong><small>{draft.dateFrom.replace('T', ' ').slice(5)} – {draft.dateTo.replace('T', ' ').slice(5)}</small></span>
           <Tag color={draft.protocol ? 'blue' : 'grey'} type="light" size="small">{draft.protocol || '自动来源'}</Tag>
         </div> : <form className="v2-track-query" onSubmit={onSubmit}>
@@ -361,6 +360,10 @@ export default function TrackPage() {
     setSearchParams(preserveMonitorReturn(url, monitorReturn), { replace: true });
   }, [draft, monitorReturn, setSearchParams]);
   const selectIndex = useCallback((index: number) => { setPlaying(false); setActiveIndex(Math.max(0, Math.min(points.length - 1, index))); }, [points.length]);
+  const selectRailIndex = useCallback((index: number) => {
+    selectIndex(index);
+    if (mobileLayout) setRailCollapsed(true);
+  }, [mobileLayout, selectIndex]);
   const collapseRail = useCallback(() => setRailCollapsed(true), []);
   const togglePlayback = () => {
     if (points.length < 2) return;
@@ -369,7 +372,7 @@ export default function TrackPage() {
     setPlaying((value) => !value);
   };
   const progress = points.length > 1 ? boundedIndex / (points.length - 1) * 100 : 0;
-  const trackRail = <TrackRail draft={draft} track={track} loading={query.isFetching} activeStopIndexes={activeStopIndexes} activeEventIndexes={activeEventIndexes} tab={panelTab} queryCollapsed={queryCollapsed} mobileLayout={mobileLayout} onDraft={setDraft} onSubmit={submit} onTab={setPanelTab} onSelectIndex={selectIndex} onToggleQuery={() => setQueryCollapsed((value) => !value)} onCollapse={collapseRail} />;
+  const trackRail = <TrackRail draft={draft} track={track} loading={query.isFetching} activeStopIndexes={activeStopIndexes} activeEventIndexes={activeEventIndexes} tab={panelTab} queryCollapsed={queryCollapsed} onDraft={setDraft} onSubmit={submit} onTab={setPanelTab} onSelectIndex={selectRailIndex} onToggleQuery={() => setQueryCollapsed((value) => !value)} onCollapse={collapseRail} />;
 
   return <div className={`v2-track-page${mobileLayout ? ' is-mobile-layout' : ''}${railCollapsed ? ' is-rail-collapsed' : ''}${monitorReturn ? ' has-monitor-return' : ''}`}>
     <MonitorReturnBar />
diff --git a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
index c529487a..0a441daf 100644
--- a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
+++ b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
@@ -461,9 +461,9 @@ describe('V2 production entry', () => {
     expect(reconciliationSource).toContain('<Tag className={`v2-reconcile-severity');
     expect(reconciliationSource).toContain('<Tag className={`v2-reconcile-status');
     expect(workspaceStyles).toContain('.v2-track-rail-expand {');
-    expect(workspaceStyles).toContain('bottom: calc(112px + env(safe-area-inset-bottom));');
+    expect(workspaceStyles).toContain('bottom: calc(116px + env(safe-area-inset-bottom));');
     expect(workspaceStyles).toContain('.v2-track-stage:has(.v2-track-current-card) .v2-track-rail-expand {');
-    expect(workspaceStyles).toContain('bottom: calc(252px + env(safe-area-inset-bottom));');
+    expect(workspaceStyles).toContain('bottom: calc(264px + env(safe-area-inset-bottom));');
     expect(v2Styles).toContain('grid-template-rows: minmax(0, 1fr);');
     expect(appShellSource).toContain("section === 'tracks' ? ' is-track-workspace' : ''");
     expect(corePageSources.TrackPage).toContain("monitorReturn ? ' has-monitor-return' : ''");
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 e938b7de..0f1bf798 100644
--- a/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
+++ b/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
@@ -45,7 +45,7 @@
 /* Semi UI trajectory replay workspace: one evidence rail, one map overlay and
  * one compact playback surface. */
 .v2-track-page {
-  grid-template-columns: 326px minmax(0, 1fr);
+  grid-template-columns: 352px minmax(0, 1fr);
   background: #edf2f7;
 }
 
@@ -90,13 +90,13 @@
 
 .v2-track-query-panel .v2-workspace-panel-copy > h5.semi-typography {
   color: #26384f;
-  font-size: 15px;
+  font-size: 16px;
   font-weight: 750;
 }
 
 .v2-track-query-panel .v2-workspace-panel-copy > .semi-typography {
   color: #8491a2;
-  font-size: 10px;
+  font-size: 11px;
 }
 
 .v2-track-query-panel .v2-workspace-panel-actions {
@@ -105,13 +105,13 @@
 
 .v2-track-query-panel .v2-track-query-toggle.semi-button {
   width: auto;
-  min-width: 78px;
-  height: 32px;
+  min-width: 84px;
+  height: 34px;
   justify-content: center;
   border-radius: 7px;
-  padding: 0 8px;
+  padding: 0 10px;
   color: #526780;
-  font-size: 10px;
+  font-size: 11px;
   font-weight: 700;
 }
 
@@ -128,24 +128,24 @@
 }
 
 .v2-track-query-panel .v2-track-query-summary {
-  min-height: 56px;
-  padding: 7px 12px 11px;
+  min-height: 58px;
+  padding: 8px 14px 11px;
   background: linear-gradient(180deg, #fff 0%, #fbfcfe 100%);
 }
 
 .v2-track-query-panel .v2-track-query-summary strong {
   color: #30445d;
-  font-size: 12px;
+  font-size: 13px;
 }
 
 .v2-track-query-panel .v2-track-query-summary small,
 .v2-track-query-panel .v2-track-query-summary .semi-tag {
-  font-size: 9px;
+  font-size: 10px;
 }
 
 .v2-track-query-panel .v2-track-query {
   border-bottom: 0;
-  padding: 10px 12px 13px;
+  padding: 12px 14px 15px;
 }
 
 .v2-track-rail-result {
@@ -158,31 +158,31 @@
 }
 
 .v2-track-result-header {
-  min-height: 62px;
+  min-height: 64px;
   background: #fbfcfe;
-  padding: 9px 12px;
+  padding: 10px 14px;
 }
 
 .v2-track-result-header .v2-workspace-panel-copy > h5.semi-typography {
   color: #25384f;
-  font-size: 14px;
+  font-size: 15px;
 }
 
 .v2-track-result-header .v2-workspace-panel-copy > .semi-typography {
   color: #8592a3;
-  font-size: 9px;
+  font-size: 11px;
 }
 
 .v2-track-result-header .v2-workspace-panel-meta .semi-tag {
   border-radius: 999px;
-  padding-inline: 8px;
-  font-size: 10px;
+  padding-inline: 10px;
+  font-size: 11px;
   font-weight: 700;
 }
 
 .v2-track-rail-tabs {
-  height: 42px;
-  flex-basis: 42px;
+  height: 46px;
+  flex-basis: 46px;
   border-block: 1px solid #e3e9f1;
   border-bottom-color: #dfe6ef;
   background: #fff;
@@ -190,8 +190,8 @@
 }
 
 .v2-track-rail-tabs > .semi-button {
-  height: 40px;
-  font-size: 11px;
+  height: 44px;
+  font-size: 12px;
 }
 
 .v2-track-rail-scroll {
@@ -224,7 +224,7 @@
 .v2-track-overview-section .v2-workspace-panel-header .semi-tag {
   flex: 0 0 auto;
   border-radius: 999px;
-  font-size: 9px;
+  font-size: 10px;
 }
 
 .v2-track-quality-card.is-good {
@@ -285,8 +285,8 @@
 .v2-track-current-card.semi-card {
   top: 14px;
   left: 14px;
-  width: min(360px, calc(100% - 330px));
-  min-width: 310px;
+  width: min(392px, calc(100% - 350px));
+  min-width: 340px;
   border: 1px solid rgba(210, 221, 234, .97);
   border-radius: 12px;
   background: rgba(255, 255, 255, .97);
@@ -295,8 +295,8 @@
 }
 
 .v2-track-current-card .v2-workspace-panel-header {
-  min-height: 52px;
-  padding: 8px 11px;
+  min-height: 56px;
+  padding: 9px 12px;
 }
 
 .v2-track-current-card .v2-workspace-panel-meta .semi-tag {
@@ -304,7 +304,7 @@
   justify-content: center;
   border-radius: 999px;
   padding-inline: 8px;
-  font-size: 10px;
+  font-size: 11px;
   font-weight: 750;
 }
 
@@ -316,7 +316,7 @@
 
 .v2-track-current-card > .semi-card-body > .v2-track-current-metrics > span {
   min-width: 0;
-  padding: 7px 9px;
+  padding: 9px 10px;
 }
 
 .v2-track-current-card > .semi-card-body > .v2-track-current-metrics > span + span {
@@ -325,32 +325,32 @@
 
 .v2-track-current-card > .semi-card-body > .v2-track-current-metrics small {
   color: #8491a2;
-  font-size: 9px;
+  font-size: 10px;
 }
 
 .v2-track-current-card > .semi-card-body > .v2-track-current-metrics strong {
   margin-top: 4px;
   color: #25384f;
-  font-size: 12px;
+  font-size: 14px;
   text-shadow: none;
 }
 
 .v2-track-current-card > .semi-card-body > .v2-track-current-evidence {
   display: flex;
-  min-height: 38px;
+  min-height: 42px;
   align-items: center;
   gap: 7px;
   border: 0;
   border-bottom: 1px solid #e8edf3;
-  padding: 6px 10px;
+  padding: 7px 11px;
   color: #66778c;
-  font-size: 9px;
+  font-size: 10px;
 }
 
 .v2-track-current-evidence .semi-tag {
   flex: 0 0 auto;
   border-radius: 6px;
-  font-size: 8px;
+  font-size: 10px;
 }
 
 .v2-track-current-evidence > span {
@@ -380,7 +380,7 @@
 .v2-track-current-evidence strong {
   overflow: hidden;
   color: #34475e;
-  font-size: 10px;
+  font-size: 11px;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
@@ -388,7 +388,7 @@
 .v2-track-current-evidence em {
   flex: 0 0 auto;
   color: #6d7e92;
-  font-size: 8px;
+  font-size: 9px;
   font-style: normal;
   white-space: nowrap;
 }
@@ -397,20 +397,20 @@
   margin-left: auto;
   overflow: hidden;
   color: #7c8a9d;
-  font-size: 8px;
+  font-size: 9px;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
 .v2-track-current-card > .semi-card-body > p {
-  min-height: 34px;
-  padding: 8px 10px;
+  min-height: 38px;
+  padding: 9px 11px;
   color: #52657b;
-  font-size: 9px;
+  font-size: 10px;
 }
 
 .v2-track-playback-dock.semi-card {
-  min-height: 96px;
+  min-height: 104px;
   border-top-color: rgba(205, 216, 229, .98);
   background: rgba(255, 255, 255, .97);
   box-shadow: 0 -10px 30px rgba(24, 41, 63, .12);
@@ -423,18 +423,18 @@
 }
 
 .v2-track-playback-dock > .semi-card-body {
-  min-height: 96px;
-  grid-template-columns: 136px minmax(220px, 1fr) auto;
-  gap: 14px;
-  padding: 10px 14px !important;
+  min-height: 104px;
+  grid-template-columns: 150px minmax(240px, 1fr) auto;
+  gap: 16px;
+  padding: 11px 16px !important;
 }
 
 .v2-track-dock-summary strong {
-  font-size: 17px;
+  font-size: 20px;
 }
 
 .v2-track-dock-summary span {
-  font-size: 9px;
+  font-size: 11px;
 }
 
 .v2-track-segment-rail,
@@ -448,7 +448,7 @@
 }
 
 .v2-track-progress-meta {
-  font-size: 9px;
+  font-size: 10px;
 }
 
 .v2-track-dock-controls {
@@ -456,21 +456,21 @@
 }
 
 .v2-track-dock-controls > .semi-button {
-  width: 32px;
-  min-width: 32px;
-  height: 32px;
+  width: 36px;
+  min-width: 36px;
+  height: 36px;
   border-radius: 8px;
 }
 
 .v2-track-dock-controls > .semi-button.is-primary {
-  width: 40px;
-  min-width: 40px;
-  height: 40px;
+  width: 44px;
+  min-width: 44px;
+  height: 44px;
 }
 
 @media (max-width: 1180px) {
   .v2-track-page {
-    grid-template-columns: 304px minmax(0, 1fr);
+    grid-template-columns: 320px minmax(0, 1fr);
   }
 
   .v2-track-page.is-rail-collapsed {
@@ -479,14 +479,14 @@
 
   .v2-track-current-card.semi-card {
     top: 62px;
-    width: min(360px, calc(100% - 28px));
+    width: min(382px, calc(100% - 28px));
     min-width: 0;
   }
 
   .v2-track-page.is-rail-collapsed .v2-track-current-card.semi-card {
     top: 14px;
-    width: min(360px, calc(100% - 330px));
-    min-width: 310px;
+    width: min(382px, calc(100% - 350px));
+    min-width: 340px;
   }
 
   .v2-track-playback-dock > .semi-card-body {
@@ -512,12 +512,12 @@
   }
 
   .v2-track-query-panel .v2-track-query-header {
-    min-height: 52px;
-    padding: 8px 12px;
+    min-height: 54px;
+    padding: 8px 13px;
   }
 
   .v2-track-result-header {
-    min-height: 58px;
+    min-height: 60px;
   }
 
   .v2-track-stage-tools {
@@ -546,17 +546,17 @@
   }
 
   .v2-track-current-card .v2-workspace-panel-header {
-    min-height: 46px;
-    padding: 7px 9px;
+    min-height: 48px;
+    padding: 7px 10px;
   }
 
   .v2-track-current-card > .semi-card-body > .v2-track-current-metrics > span {
-    padding: 6px 9px;
+    padding: 7px 8px;
   }
 
   .v2-track-current-card > .semi-card-body > .v2-track-current-evidence {
-    min-height: 36px;
-    padding: 4px 9px;
+    min-height: 38px;
+    padding: 5px 9px;
   }
 
   .v2-track-current-evidence > small {
@@ -569,7 +569,7 @@
 
   .v2-track-playback-dock.semi-card,
   .v2-track-playback-dock > .semi-card-body {
-    min-height: 102px;
+    min-height: 106px;
   }
 
   .v2-track-playback-dock > .semi-card-body {
@@ -579,11 +579,11 @@
   }
 
   .v2-track-rail-expand {
-    bottom: calc(112px + env(safe-area-inset-bottom));
+    bottom: calc(116px + env(safe-area-inset-bottom));
   }
 
   .v2-track-stage:has(.v2-track-current-card) .v2-track-rail-expand {
-    bottom: calc(252px + env(safe-area-inset-bottom));
+    bottom: calc(264px + env(safe-area-inset-bottom));
   }
 }