Exuviate Valuableness Ming

"## ?? Main functions

### Core game features
- Classic Sudoku gameplay: 9×9 standard Sudoku grid
- Multiple difficulty levels:
- Easy: remove 30 numbers
- Medium: Remove 40 numbers
- Difficulty: Remove 50 numbers
- Smart Prompt System: Friendly prompts are provided when a cell is not selected or a fixed number is selected.
- Game Statistics: Record game time, moves and best scores

### Custom options
- Symbol Selection:
-Number mode: use numbers 1-9
- Alphabet mode: use letters A-I
- Background Theme:
- Default gradient background
- pattern background 1
- pattern background 2
- Game-specific backgrounds

### User experience
- Immersive Status Bar: Full screen gaming experience
- Smooth Animation: Button click feedback, title animation, decorative element animation
- Game Records: Save the latest 5 game records
- Success/Failure Dialog: Beautiful prompt interface at the end of the game

## ?? Gameplay

### Basic Rules
1. Goal: Fill in the numbers (or letters) in the 9×9 grid so that each row, each column, and each 3×3 square contains 1-9 (or A-I)
2. Rules:
- Each line can only contain 1-9 (or A-I) once each
- Each column can only contain 1-9 (or A-I) once each
- Each 3×3 square can only contain 1-9 (or A-I) once each
- The initial number (black) cannot be modified
- The number entered by the user (blue) can be modified

### How to operate
1. Select cells: Click on any cell in the Sudoku grid
2. Fill in numbers/letters: Click the number/letter button at the bottom
3. Clear Content: Click the Clear button to delete the contents of the selected cell.
4. Game Over: All cells filled or an error occurred

### Game flow
1. Start the game and select the difficulty level
2. Click on a blank cell to select
3. Use the buttons at the bottom to fill in the corresponding numbers/letters
4. Continue filling until the entire grid is complete
5. Display completion dialog box and statistical information when the game is successful

## ⚙️ Setting options

### Difficulty settings
- Easy: suitable for beginners, remove 30 numbers
- Medium: Standard difficulty, remove 40 numbers
- Hard: Challenge mode, remove 50 numbers

### Symbol settings
- Number Mode: Traditional 1-9 numbers
- Letter Mode: A-I letters, added game changes

### Background settings
- Default Background: classic gradient background
- Pattern Background 1: Simple geometric pattern
- Pattern Background 2: Soft gradient colors
- Game Background: Dedicated game theme background"