原始坦率特写自拍提示（高颗粒感）

```json
{
  "subject": {
    "type": "人类",
    "gender": "女性",
    "age_range": "青年",
    "pose": "特写自拍，脸部充满画面",
    "expression": "柔和、平静、略带俏皮",
    "gaze": "直视镜头"
  },
  "face": {
    "skin_tone": "白皙，脸颊和鼻尖有自然的粉红色泽",
    "skin_texture": "毛孔可见，自然纹理，肤色略不均匀",
    "eyes": {
      "color": "蓝绿色",
      "shape": "圆形",
      "detail": "眼神光清晰，边缘柔焦"
    },
    "nose": "小巧，鼻尖有自然的泛红",
    "lips": {
      "color": "自然粉色",
      "texture": "略干，真实感强"
    }
  },
  "hair": {
    "color": "深棕色",
    "style": "蓬松，直发略带波浪",
    "details": "头发部分遮盖脸部左侧"
  },
  "hands": {
    "gesture": "手指靠近嘴唇",
    "nails": {
      "length": "短",
      "polish": "透明或裸色",
      "decoration": "指甲上有一颗小小的银色心形宝石"
    }
  },
  "accessories": {
    "jewelry": "无可见首饰",
    "makeup": "淡妆或无妆"
  },
  "environment": {
    "location": "室内",
    "background": "黑暗模糊，无清晰物体",
    "setting_feel": "亲密、私密"
  },
  "lighting": {
    "type": "室内弱光",
    "direction": "前方略上方",
    "quality": "柔和、不均匀",
    "shadows": "鼻子和头发周围有轻微阴影"
  },
  "camera": {
    "shot_type": "超特写肖像",
    "angle": "平视",
    "focus": "眼睛清晰，边缘略柔和",
    "depth_of_field": "浅景深"
  },
  "image_quality": {
    "grain": "明显颗粒感强",
    "noise": "高数字噪点",
    "sharpness": "适中",
    "contrast": "低到中等",
    "color_tone": "冷色调，色彩柔和"
  },
  "style": {
    "look": "原始、抓拍、未经修饰",
    "aesthetic": "真实生活，休闲自拍",
    "no_ai_traits": "无塑料感皮肤，无完美对称，无影棚灯光"
  },
  "aspect_ratio": "肖像 3:4",
  "mood": "柔和、安静、私密"
}
```