style(player): 视频信息区文案统一为 65% 半透明白

test/home/feed_info_hierarchy_test.dart

@@ -136,7 +136,7 @@ void _expectExpandedSynopsis(WidgetTester tester) {
   final expanded = find.byKey(const Key('home-feed-synopsis-expanded'));
   expect(
     tester.widget<Text>(expanded).textSpan?.style?.color,
-    AppColors.overlaySecondary,
+    AppColors.homeFeedVideoCopy,
   );
   _expectNoShadows(tester);
   _expectWatchGap(tester);
@@ -187,7 +187,7 @@ void main() {
         matching: find.byType(Text),
       ),
     );
-    expect(tag.style?.color, AppColors.overlaySecondary);
+    expect(tag.style?.color, AppColors.homeFeedVideoCopy);
   });
 
   testWidgets('should_skip_motion_when_system_disables_animations', (
@@ -343,7 +343,7 @@ void main() {
       final synopsis = tester.widget<Text>(
         find.byKey(const Key('home-feed-synopsis')),
       );
-      expect(synopsis.style?.color, AppColors.overlaySecondary);
+      expect(synopsis.style?.color, AppColors.homeFeedVideoCopy);
       expect(synopsis.style?.fontSize, 15);
       expect(synopsis.maxLines, 2);
       final episode = tester.widget<Text>(
@@ -353,7 +353,7 @@ void main() {
       expect(episode.style?.fontSize, 14);
       expect(episode.data, 'Episode 2 / 24');
       final tag = tester.widget<Text>(find.text('Romance'));
-      expect(tag.style?.color, AppColors.overlaySecondary);
+      expect(tag.style?.color, AppColors.homeFeedVideoCopy);
       expect(tag.style?.color, synopsis.style?.color);
       expect(tag.style?.fontSize, 13);
       final hotSearch = tester.widget<Text>(

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('  |  ')));