Elderly-friendly Product Function Operation Guide Infographic Design

Generate an elderly-friendly [xx product] [xx function] operation guide infographic.

## Step 1: Information Retrieval and Organization
First, search and summarize the standard operation process of this function, ensuring:
- Accurate and safe operation steps
- Compliance with common operation logic of mainstream brands
- Avoidance of complex professional terminology
- Special marking of safety precautions

## Step 2: Infographic Design Requirements

### Design Style: Swiss International Style
- Minimalist layout with ample white space
- Use grid system to organize content
- Sans-serif fonts (e.g., Helvetica style)
- Decorative-free, function-oriented

### Visual Elements
- Color scheme:
  * Main color: Dark gray (#2C3E50) or black for text
  * Emphasis color: Single bright color (e.g., red #E74C3C for warnings, blue #3498DB for operations)
  * Background: Pure white or light gray (#F8F9FA)
  * High contrast to ensure clarity and readability

- Icon design:
  * Geometric shapes, consistent line thickness (3-4px)
  * Uniform size, at least 48x48px
  * Avoid excessive details
  * Use internationally recognized symbols

- Typography specifications:
  * Title font size: 36-48pt, bold
  * Step numbers: 28-32pt, circular or square background
  * Body text: 20-24pt (considering elderly vision)
  * Line spacing: 1.5-2 times
  * Text left-aligned or centered

### Content Structure
1. **Top Title Area**
   - Appliance name + Function name
   - A concise one-sentence description

2. **Operation Steps Area (3-6 steps recommended)**
   - Each step includes:
     * Large step number
     * Brief operation description (within 10 characters)
     * High-fidelity images, clear schematic icons
     * Arrows as needed for indication

3. **Safety Tips Area**
   - Use warning icons
   - Red border or background
   - 2-3 key precautions

4. **FAQ Area (Optional)**
   - 1-2 most common questions
   - Brief solutions

### Elderly-friendly Design Principles
- Each step contains only one operation
- Combine real photos with icons
- Avoid English abbreviations, annotate in Chinese when necessary
- Highlight key buttons/parts with color
- Provide visual contrast (e.g., button press before and after state)
- Add tactile cues (e.g., "light press", "press for 3 seconds")

### Dimensions and Format
- Canvas: A4 ratio (210x297mm) or 1080x1920px (vertical)
- Margin: At least 20mm
- Printable output
- Save as high-definition PNG or PDF format

## Output Requirements
Please generate an infographic design that meets all the above requirements, ensuring:
✓ Clear visual hierarchy
✓ Accurate and error-free information
✓ Independent understanding by the elderly
✓ Ready for direct printing use