feat(home): 顶部导航随翻页联动并把推荐更名为精选

test/recommend/recommend_sections_test.dart

@@ -44,11 +44,11 @@ void main() {
     final recommendText = tester.widget<Text>(
       find.descendant(
         of: find.byKey(const Key('recommend-tab-recommend')),
-        matching: find.text('Recommend'),
+        matching: find.text('Featured'),
       ),
     );
-    expect(recommendText.style?.fontSize, 17);
-    expect(recommendText.style?.fontWeight, FontWeight.w700);
+    expect(recommendText.style?.fontSize, 18);
+    expect(recommendText.style?.fontWeight, FontWeight.w400);
     expect(recommendText.style?.color, AppColors.textPrimary);
     final playlistText = tester.widget<Text>(
       find.descendant(
@@ -56,10 +56,17 @@ void main() {
         matching: find.text('Playlists'),
       ),
     );
-    expect(playlistText.style?.fontSize, 17);
+    expect(playlistText.style?.fontSize, 18);
+    // 字形度量固定，未选中态靠绘制缩放和灰色区分，切换时不重新排版。
     expect(playlistText.style?.fontWeight, FontWeight.w400);
-    // 新版顶部 tab 未选中态也用主文字色，选中态只靠字重和下划线区分。
-    expect(playlistText.style?.color, AppColors.textPrimary);
+    expect(playlistText.style?.color, AppColors.homeTabInactive);
+    final playlistScale = tester.widget<Transform>(
+      find.descendant(
+        of: find.byKey(const Key('recommend-tab-playlist')),
+        matching: find.byType(Transform),
+      ),
+    );
+    expect(playlistScale.transform.entry(0, 0), closeTo(0.9, 0.0001));
     expect(
       tester
           .widget<IconButton>(find.byKey(const Key('recommend-search')))