Optimization:
Removed some high-cost rendering features to improve graphics card compatibility and performance.
Further optimized texture memory usage.
Weapons missed in the current chapter can now be purchased in shops in later chapters.
Random Costume Vending Machine: Robot
Random Costume Vending Machine: Special Forces 6
Theme Map: Station
Added flashlight usage guidance.
Added climbable obstacles.
Fixed the bug where the costume shop repeatedly offered the Office costume.
Fixed the bug where unlocked bridges in Chapter 4 became locked again after loading.
Fixed incorrect healing values for medical kits purchased in shops.
Fixed incorrect ammo counts for ammunition purchased in shops.