fix(flutter): 恢复播放器深色外观

lib/pages/player/widgets/player_overlay_parts.dart

@@ -93,8 +93,8 @@ class _BottomIconButton extends StatelessWidget {
         tooltip: tooltip,
         padding: EdgeInsets.zero,
         style: IconButton.styleFrom(
-          backgroundColor: AppColors.raised,
-          foregroundColor: AppColors.onSurface,
+          backgroundColor: AppColors.playerChip,
+          foregroundColor: AppColors.onPrimary,
         ),
         onPressed: onPressed,
         icon: Icon(icon, size: 17),
@@ -259,7 +259,10 @@ class _EpisodeSynopsisState extends State<_EpisodeSynopsis> {
                 ),
                 const Padding(
                   padding: EdgeInsets.symmetric(horizontal: 6),
-                  child: Text('|', style: TextStyle(color: AppColors.border)),
+                  child: Text(
+                    '|',
+                    style: TextStyle(color: AppColors.playerDivider),
+                  ),
                 ),
                 Expanded(
                   child: Text(
@@ -268,7 +271,7 @@ class _EpisodeSynopsisState extends State<_EpisodeSynopsis> {
                     maxLines: _expanded ? 3 : 1,
                     overflow: TextOverflow.ellipsis,
                     style: TextStyle(
-                      color: AppColors.muted,
+                      color: AppColors.playerMuted,
                       fontSize: 11 * widget.textScale,
                       height: 1.35,
                     ),
@@ -279,7 +282,7 @@ class _EpisodeSynopsisState extends State<_EpisodeSynopsis> {
                   _expanded
                       ? Icons.keyboard_arrow_up_rounded
                       : Icons.keyboard_arrow_down_rounded,
-                  color: AppColors.subtle,
+                  color: AppColors.playerMuted,
                   size: 16,
                 ),
               ],
@@ -289,7 +292,10 @@ class _EpisodeSynopsisState extends State<_EpisodeSynopsis> {
               Text(
                 widget.authorNote,
                 key: const Key('player-author-note'),
-                style: const TextStyle(color: AppColors.muted, fontSize: 10),
+                style: const TextStyle(
+                  color: AppColors.playerMuted,
+                  fontSize: 10,
+                ),
               ),
             ],
           ],