diff --git a/src/components/image-editor/ImageCanvasAssetLibraryPanelView.tsx b/src/components/image-editor/ImageCanvasAssetLibraryPanelView.tsx
index 8a5bd1573..9f7e9483e 100644
--- a/src/components/image-editor/ImageCanvasAssetLibraryPanelView.tsx
+++ b/src/components/image-editor/ImageCanvasAssetLibraryPanelView.tsx
@@ -276,7 +276,7 @@ export function ImageCanvasAssetLibraryPanelView({
           label="素材批量操作"
         >
           <PlatformActionButton
-            className="col-span-3 min-h-[2.35rem]! w-full! min-w-0! max-w-full! gap-1.5! overflow-hidden! px-2! py-1.5! text-xs!"
+            className="image-canvas-editor__asset-batch-action col-span-3"
             tone="secondary"
             size="sm"
             disabled={visibleAssetIds.length === 0 || isExportingSelectedAssets}
@@ -292,7 +292,7 @@ export function ImageCanvasAssetLibraryPanelView({
             </span>
           </PlatformActionButton>
           <PlatformActionButton
-            className="min-h-[2.35rem]! w-full! min-w-0! max-w-full! gap-1.5! overflow-hidden! px-2! py-1.5! text-xs!"
+            className="image-canvas-editor__asset-batch-action"
             tone="secondary"
             size="sm"
             disabled={selectedAssetIds.size === 0 || isExportingSelectedAssets}
@@ -302,7 +302,7 @@ export function ImageCanvasAssetLibraryPanelView({
             {isExportingSelectedAssets ? '下载中' : '下载'}
           </PlatformActionButton>
           <PlatformActionButton
-            className="min-h-[2.35rem]! w-full! min-w-0! max-w-full! gap-1.5! overflow-hidden! px-2! py-1.5! text-xs!"
+            className="image-canvas-editor__asset-batch-action"
             tone="warning"
             size="sm"
             disabled={selectedAssetIds.size === 0 || isExportingSelectedAssets}
@@ -312,7 +312,7 @@ export function ImageCanvasAssetLibraryPanelView({
             删除
           </PlatformActionButton>
           <PlatformActionButton
-            className="min-h-[2.35rem]! w-full! min-w-0! max-w-full! gap-1.5! overflow-hidden! px-2! py-1.5! text-xs!"
+            className="image-canvas-editor__asset-batch-action"
             tone="secondary"
             size="sm"
             onClick={closeAssetSelectionMode}
diff --git a/src/index.css b/src/index.css
index a6ce6a270..d3ed2ea8c 100644
--- a/src/index.css
+++ b/src/index.css
@@ -4138,6 +4138,18 @@ html[data-mobile-keyboard-open='true'] .platform-mobile-bottom-dock {
   flex: 1;
 }
 
+.image-canvas-editor__asset-batch-action {
+  width: 100% !important;
+  min-width: 0 !important;
+  max-width: 100% !important;
+  min-height: 2.35rem !important;
+  gap: 0.375rem !important;
+  overflow: hidden !important;
+  padding: 0.375rem 0.5rem !important;
+  font-size: 0.75rem !important;
+  line-height: 1rem !important;
+}
+
 .image-canvas-editor__asset-folder {
   display: grid;
   gap: 0.45rem;