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 e736d474..f94ffdbd 100644
--- a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
+++ b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
@@ -389,6 +389,11 @@ describe('V2 production entry', () => {
     expect(corePageSources.MonitorPage).toContain('ariaLabel="监控视图"');
     expect(corePageSources.MonitorPage).toContain('variant="filled"');
     expect(workspaceStyles).toContain('.v2-monitor-mode.v2-segmented-tabs');
+    expect(workspaceStyles).toContain('@media (max-width: 900px) and (max-height: 480px) and (orientation: landscape)');
+    expect(workspaceStyles).toContain('.v2-vehicle-directory-v3 > .v2-vehicle-discovery-shell {');
+    expect(workspaceStyles).toContain('.v2-vehicle-directory-v3 .v2-mobile-filter-toggle-copy small {');
+    expect(workspaceStyles).toContain('.v2-vehicle-mobile-filter-sidesheet.semi-sidesheet-bottom .semi-sidesheet-inner {');
+    expect(workspaceStyles).toContain('grid-template-columns: repeat(2, minmax(0, 1fr));');
     expect(corePageSources.MonitorPage).not.toContain('<select');
     expect(corePageSources.MonitorPage).not.toContain('<textarea');
     expect(corePageSources.MonitorPage).not.toContain('<button');
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 b9c851af..7b009fa3 100644
--- a/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
+++ b/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
@@ -16744,7 +16744,7 @@
   .v2-vehicle-directory-v3.v2-vehicle-search-page {
     gap: 7px;
     overflow: hidden;
-    padding: 8px 8px 82px;
+    padding: 8px;
   }
 
   .v2-vehicle-directory-v3.has-candidates.v2-vehicle-search-page,
@@ -17075,6 +17075,111 @@
   }
 }
 
+/*
+ * Short landscape vehicle directory.
+ * Keep the authorized directory actionable when the mobile shell has very
+ * little vertical room: discovery becomes a compact side rail and vehicle
+ * cards use the remaining viewport in two columns.
+ */
+@media (max-width: 900px) and (max-height: 480px) and (orientation: landscape) {
+  .v2-vehicle-directory-v3.v2-vehicle-search-page {
+    flex-direction: row;
+    align-items: stretch;
+    gap: 7px;
+    padding: 6px 7px;
+  }
+
+  .v2-vehicle-directory-v3 > .v2-vehicle-discovery-shell {
+    display: flex;
+    width: 176px;
+    min-width: 0;
+    flex: 0 0 176px;
+    flex-direction: column;
+    gap: 7px;
+    border: 0;
+    background: transparent;
+    box-shadow: none;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-command-bar.is-mobile-admin {
+    display: none;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-mobile-discovery {
+    display: flex;
+    min-height: 0;
+  }
+
+  .v2-vehicle-directory-v3 .v2-mobile-filter-toggle.semi-button {
+    width: 100%;
+    min-height: 70px;
+    align-self: flex-start;
+  }
+
+  .v2-vehicle-directory-v3 .v2-mobile-filter-toggle-copy small {
+    display: none;
+  }
+
+  .v2-vehicle-directory-v3 .v2-mobile-filter-toggle-action {
+    padding-inline: 7px;
+  }
+
+  .v2-vehicle-directory-v3 > .v2-vehicle-recent-card.semi-card {
+    width: auto;
+    min-width: 0;
+    flex: 1 1 0;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-card .v2-workspace-panel-header {
+    min-height: 42px;
+    padding: 5px 9px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-card .v2-workspace-panel-copy > .semi-typography:last-child {
+    display: none;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-card .v2-workspace-panel-copy > h5.semi-typography {
+    font-size: 13px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-grid {
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    align-content: start;
+    gap: 0 7px;
+    overflow-y: auto;
+    padding: 0 8px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-item.semi-button {
+    min-height: 64px;
+    border: 0;
+    border-bottom: 1px solid #edf1f6;
+    border-radius: 0;
+    background: transparent;
+    padding: 6px 24px 6px 1px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-item .semi-button-content {
+    gap: 3px 5px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-arrow {
+    right: -18px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-recent-card > .semi-card-body > .v2-vehicle-directory-pagination {
+    min-height: 42px;
+    padding: 4px 8px;
+  }
+
+  .v2-vehicle-directory-v3 .v2-vehicle-directory-pagination .v2-table-pagination-info {
+    display: none;
+  }
+
+}
+
 /*
  * Shared protocol identity.
  * Every evidence surface now presents GB/T 32960, JT/T 808 and 宇通 MQTT
@@ -18123,3 +18228,38 @@
     font-weight: 700;
   }
 }
+
+@media (max-width: 900px) and (max-height: 480px) and (orientation: landscape) {
+  .v2-vehicle-mobile-filter-sidesheet.semi-sidesheet-bottom .semi-sidesheet-inner {
+    height: 100dvh !important;
+    max-height: 100dvh;
+    border-radius: 0;
+  }
+
+  .v2-vehicle-mobile-filter-sidesheet.semi-sidesheet-bottom .semi-sidesheet-header {
+    min-height: 54px;
+    padding: 7px 12px;
+  }
+
+  .v2-vehicle-mobile-filter-sidesheet.semi-sidesheet-bottom .semi-sidesheet-body {
+    padding: 8px;
+  }
+
+  .v2-vehicle-mobile-filter-sidesheet.semi-sidesheet-bottom .semi-sidesheet-footer {
+    padding: 7px 10px;
+  }
+
+  .v2-vehicle-mobile-filter-title > span,
+  .v2-vehicle-mobile-filter-form > section > header {
+    display: none;
+  }
+
+  .v2-vehicle-mobile-filter-form > section {
+    gap: 8px;
+    padding: 9px;
+  }
+
+  .v2-vehicle-mobile-filter-sidesheet .v2-vehicle-mobile-candidates.v2-vehicle-candidate-list {
+    max-height: min(42dvh, 180px);
+  }
+}