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),

lib/pages/player/widgets/player_center_toggle.dart

@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 
 import '../../../core/theme/app_colors.dart';
 
-/// Shared play/pause control used by the home feed and full-screen player.
+/// 首页沉浸流与全屏播放器共用的播放/暂停按钮。
 class PlayerCenterToggle extends StatelessWidget {
   const PlayerCenterToggle({
     super.key,
@@ -26,7 +26,7 @@ class PlayerCenterToggle extends StatelessWidget {
           width: 52,
           height: 52,
           decoration: const BoxDecoration(
-            color: Color(0x80000000),
+            color: AppColors.blue,
             shape: BoxShape.circle,
           ),
           child: Icon(

lib/pages/player/widgets/player_featured_comment.dart

@@ -117,7 +117,7 @@ class _PlayerFeaturedCommentState extends State<PlayerFeaturedComment> {
                         Text(
                           '· $time',
                           style: const TextStyle(
-                            color: Color(0xFF777777),
+                            color: AppColors.muted,
                             fontSize: 9,
                           ),
                         ),
@@ -133,7 +133,7 @@ class _PlayerFeaturedCommentState extends State<PlayerFeaturedComment> {
               maxLines: 2,
               overflow: TextOverflow.ellipsis,
               style: const TextStyle(
-                color: Color(0xFFDDDDDD),
+                color: AppColors.onSurface,
                 fontSize: 10,
                 height: 1.5,
               ),

lib/pages/player/widgets/seek_progress_bar.dart

@@ -127,10 +127,8 @@ class _SeekProgressBarState extends State<SeekProgressBar> {
                   ? (scrubbing ? 3 : 1.5)
                   : (scrubbing ? 4 : 3),
               activeTrackColor: AppColors.blue,
-              inactiveTrackColor: widget.compact
-                  ? Colors.white.withValues(alpha: 0.18)
-                  : const Color(0xFF474248),
-              thumbColor: widget.compact ? AppColors.blue : Colors.white,
+              inactiveTrackColor: AppColors.border,
+              thumbColor: AppColors.onPrimary,
               thumbShape: RoundSliderThumbShape(
                 enabledThumbRadius: widget.compact
                     ? (scrubbing ? 6 : 4)