feat(recommend): 轮播只保留标题简介并重做顶部导航

test/home/home_preview_layout_test.dart

@@ -90,11 +90,11 @@ void main() {
     expect(searchButton.iconSize, 26);
     expect(
       tester.getSize(find.byKey(const Key('recommend-search'))),
-      const Size.square(40),
+      const Size.square(AppDimens.tapTarget),
     );
     expect(
       tester.getSize(find.byKey(const Key('recommend-gift'))),
-      const Size.square(40),
+      const Size.square(AppDimens.tapTarget),
     );
     expect(
       tester.getCenter(find.byKey(const Key('recommend-search'))).dy,