[OPPO] How to enable and use multitasking "split screen mode" [ColorOS 14]

You can split your device's screen into two, open different apps on each screen, and operate your smartphone with multitasking.
OPPO offers three ways to split the screen, so we'll explain them in order.
- Swipe up on the screen with three fingers
- Split the screen from the recent tasks screen
- Use the "Smart Sidebar"
After that, we'll explain how to operate the split screen.
- Swap the apps on the top and bottom
- Resize the screen
- Make it a floating window.