fix(home): 修正首页分类与卡片布局

test/home/home_preview_layout_test.dart

@@ -109,23 +109,29 @@ void main() {
     );
     expect(placeholder.style?.fontSize, AppDimens.searchPlaceholderFont);
     expect(placeholder.style?.color, AppColors.textSecondary);
-    final selectedPrimary = tester.widget<Text>(
+    final selectedPrimary = tester.widget<AnimatedDefaultTextStyle>(
+      find.byKey(const Key('home-primary-label-featured')),
+    );
+    final unselectedPrimary = tester.widget<AnimatedDefaultTextStyle>(
+      find.byKey(const Key('home-primary-label-newReleases')),
+    );
+    expect(
+      selectedPrimary.style.fontSize,
+      AppDimens.homePrimaryTabSelectedFont,
+    );
+    expect(selectedPrimary.style.fontWeight, FontWeight.w700);
+    expect(selectedPrimary.style.color, AppColors.navSelected);
+    expect(selectedPrimary.duration, AppDimens.homePrimaryTabAnimationDuration);
+    expect(unselectedPrimary.style.fontSize, AppDimens.homePrimaryTabFont);
+    expect(unselectedPrimary.style.fontWeight, FontWeight.w400);
+    expect(unselectedPrimary.style.color, AppColors.textTertiary);
+    expect(
       find.descendant(
         of: find.byKey(const Key('home-section-featured')),
-        matching: find.text('Featured'),
+        matching: find.byType(Container),
       ),
+      findsNothing,
     );
-    final unselectedPrimary = tester.widget<Text>(
-      find.descendant(
-        of: find.byKey(const Key('home-section-new')),
-        matching: find.text('New'),
-      ),
-    );
-    expect(selectedPrimary.style?.fontSize, AppDimens.homePrimaryTabFont);
-    expect(selectedPrimary.style?.fontWeight, FontWeight.w700);
-    expect(selectedPrimary.style?.color, AppColors.navSelected);
-    expect(unselectedPrimary.style?.fontWeight, FontWeight.w400);
-    expect(unselectedPrimary.style?.color, AppColors.textTertiary);
     final secondaryTag = tester.widget<Text>(
       find.descendant(
         of: find.byKey(const Key('home-tag-hot')),
@@ -135,18 +141,38 @@ void main() {
     expect(secondaryTag.style?.fontSize, AppDimens.homeSecondaryTagFont);
     expect(secondaryTag.style?.fontWeight, FontWeight.w400);
     expect(secondaryTag.style?.color, AppColors.textTertiary);
-    final unselectedTagChip = tester.widget<Container>(
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('home-tag-hot')),
+        matching: find.byType(Container),
+      ),
+      findsNothing,
+    );
+    final primaryStart = tester.getTopLeft(find.text('Featured'));
+    final pageStart = tester.getTopLeft(searchBox);
+    expect(primaryStart.dx, pageStart.dx);
+    final primaryGap =
+        tester.getTopLeft(find.text('New')).dx -
+        tester.getBottomRight(find.text('Featured')).dx;
+    expect(primaryGap, closeTo(AppDimens.homePrimaryCategoryGap, 0.1));
+    final tagStart = tester.getTopLeft(find.text('Hot'));
+    expect(tagStart.dx, pageStart.dx);
+    final tagGap =
+        tester.getTopLeft(find.text('Uplifting')).dx -
+        tester.getBottomRight(find.text('Hot')).dx;
+    expect(tagGap, closeTo(AppDimens.homeSecondaryTagGap, 0.1));
+    await tester.tap(find.byKey(const Key('home-tag-hot')));
+    await tester.pump();
+    final selectedTagChip = tester.widget<Container>(
       find.descendant(
         of: find.byKey(const Key('home-tag-hot')),
         matching: find.byType(Container),
       ),
     );
     expect(
-      (unselectedTagChip.decoration! as BoxDecoration).color,
-      AppColors.transparent,
+      (selectedTagChip.decoration! as BoxDecoration).color,
+      AppColors.contentSurface,
     );
-    await tester.tap(find.byKey(const Key('home-tag-hot')));
-    await tester.pump();
     final selectedTag = tester.widget<Text>(
       find.descendant(
         of: find.byKey(const Key('home-tag-hot')),