feat(flutter): 应用浅色暖橙视觉主题

lib/pages/player/widgets/home_feed_overlay.dart

@@ -160,12 +160,7 @@ class HomeFeedOverlay extends StatelessWidget {
       radius: 14,
       blur: 6,
       padding: const EdgeInsets.all(12),
-      gradient: const LinearGradient(
-        begin: Alignment.topLeft,
-        end: Alignment.bottomRight,
-        colors: [Color(0xBF0F0F14), Color(0xA60F0F14)],
-      ),
-      borderColor: Colors.white.withValues(alpha: 0.06),
+      borderColor: AppColors.border,
       child: Column(
         mainAxisSize: MainAxisSize.min,
         crossAxisAlignment: CrossAxisAlignment.start,
@@ -184,13 +179,13 @@ class HomeFeedOverlay extends StatelessWidget {
               if (drama.category.isNotEmpty && drama.category != genre)
                 _tag(
                   drama.category,
-                  background: const Color(0xFF333333),
-                  foreground: const Color(0xFFDDDDDD),
+                  background: AppColors.raised,
+                  foreground: AppColors.onSurface,
                 ),
               Text(
                 l10n.episodeOfTotal(episode.number, drama.episodeCount),
                 key: const Key('home-feed-episode'),
-                style: const TextStyle(color: Color(0xFFBBBBBB), fontSize: 9),
+                style: const TextStyle(color: AppColors.muted, fontSize: 9),
               ),
             ],
           ),
@@ -248,7 +243,7 @@ class HomeFeedOverlay extends StatelessWidget {
                     key: const Key('home-feed-episodes'),
                     onPressed: onEpisodes,
                     style: FilledButton.styleFrom(
-                      backgroundColor: const Color(0xFF2A2A30),
+                      backgroundColor: AppColors.raised,
                       foregroundColor: AppColors.onSurface,
                       shape: RoundedRectangleBorder(
                         borderRadius: BorderRadius.circular(
@@ -362,7 +357,7 @@ class _RoundIcon extends StatelessWidget {
         onPressed: onPressed,
         padding: EdgeInsets.zero,
         style: IconButton.styleFrom(
-          backgroundColor: const Color(0xCC2C2D33),
+          backgroundColor: AppColors.card.withValues(alpha: 0.94),
           foregroundColor: AppColors.onSurface,
         ),
         icon: Icon(icon, size: 18),