feat(flutter): 应用浅色暖橙视觉主题

lib/pages/mine/widgets/continue_watching_card.dart

@@ -101,7 +101,7 @@ class ContinueWatchingCard extends StatelessWidget {
           key: progressKey,
           maxLines: 1,
           overflow: TextOverflow.ellipsis,
-          style: const TextStyle(color: Color(0xFFBBBBBB), fontSize: 9),
+          style: const TextStyle(color: AppColors.muted, fontSize: 9),
         ),
       ],
     );