style(player): 视频信息区文案统一为 65% 半透明白

test/player/expandable_synopsis_test.dart

@@ -2,6 +2,7 @@
 // 职责：验证共用简介的短文案、展开声明、内容更新与减少动画行为。
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/theme/app_colors.dart';
 import 'package:fruitshorts/core/theme/app_theme.dart';
 import 'package:fruitshorts/l10n/app_localizations.dart';
 import 'package:fruitshorts/pages/player/widgets/expandable_synopsis.dart';
@@ -54,6 +55,14 @@ Future<void> _pump(
 }
 
 void main() {
+  testWidgets('should_use_video_copy_color_when_player_does_not_override', (
+    tester,
+  ) async {
+    await _pump(tester, synopsis: _shortCopy);
+    final synopsis = tester.widget<Text>(find.byKey(_collapsed));
+    expect(synopsis.style?.color, AppColors.homeFeedVideoCopy);
+  });
+
   testWidgets('should_hide_toggle_when_synopsis_fits_two_lines', (
     tester,
   ) async {

test/player/player_fullscreen_test.dart

@@ -1517,7 +1517,7 @@ void main() {
     final style = line.style ?? const TextStyle();
     expect(style.fontSize, 15);
     expect(style.fontWeight, FontWeight.w400);
-    expect(style.color, AppColors.overlaySecondary);
+    expect(style.color, AppColors.homeFeedVideoCopy);
     expect(style.shadows ?? <Shadow>[], isEmpty);
     expect(line.textSpan!.toPlainText(), isNot(startsWith('Episode ')));
     expect(line.textSpan!.toPlainText(), isNot(contains('  |  ')));