feat(ui): 更新品牌启动页与选集交互

lib/pages/player/widgets/comment_tile.dart

@@ -52,11 +52,11 @@ class CommentTile extends StatelessWidget {
         children: [
           CircleAvatar(
             radius: isReply ? 12 : 16,
-            backgroundColor: AppColors.blue.withValues(alpha: 0.2),
+            backgroundColor: AppColors.raised,
             child: Icon(
               Icons.person_rounded,
               size: isReply ? 14 : 18,
-              color: AppColors.blueSoft,
+              color: AppColors.cream,
             ),
           ),
           const SizedBox(width: 12),
@@ -101,7 +101,7 @@ class CommentTile extends StatelessWidget {
                 ),
                 Text(
                   comment.content,
-                  style: const TextStyle(color: Colors.white, fontSize: 14),
+                  style: const TextStyle(color: AppColors.cream, fontSize: 14),
                 ),
                 if (comment.isPending)
                   Padding(