fix(home): 调整首页分类与卡片标签样式

test/core/count_format_test.dart

@@ -10,6 +10,13 @@ void main() {
     expect(formatInteractionCount(9999), '9999');
   });
 
+  test('should_format_play_count_with_w_and_trim_integer_decimals', () {
+    expect(formatPlayCount(8500), '8500');
+    expect(formatPlayCount(10000), '1w');
+    expect(formatPlayCount(500000), '50w');
+    expect(formatPlayCount(444500), '44.5w');
+  });
+
   test('should_use_one_decimal_wan_from_ten_thousand', () {
     expect(formatInteractionCount(10000), '1.0万');
     expect(formatInteractionCount(12400), '1.2万');