Content Adjustments

1. Maximum frame rate capped at 60 FPS (may not apply on high-refresh-rate displays due to VSync).
   
2. Optimized audio implementation and added some missing sound effects.
   
3. Increased font size in certain UI elements for better compatibility with Steam Deck.
   

Bug Fixes

1. Fixed incorrect background music switching when returning to the main menu during gameplay.
   
2. Fixed an issue where protective weapons were not hidden when the player was attacked by monsters.