提示词性格原型 → 外观设计控制

### Sunny / Neighborly
- warmer eye colors
- relaxed eyebrows
- open gaze
- soft smile
- approachable hair silhouette
- warm palette

### Cold / Mature
- darker hair and eye palette
- narrower, controlled eye shape
- straighter eyebrows
- restrained mouth
- sharper but still idealized jaw silhouette
- controlled posture
- dark premium wardrobe

### Elegant / Intellectual
- refined hairstyle
- composed eyes
- restrained expression
- tailored clothing
- neutral/cool palette

### Energetic / Playful
- brighter palette
- more open eyes
- lively eyebrows
- dynamic hair silhouette
- expressive smile