深色皮肤自拍肖像提示

```json
{
  "subject": {
    "type": "女性",
    "age_range": "青年",
    "pose": "一只手臂举到脑后，上半身略微倾斜，特写自拍构图",
    "expression": "平静，自信，嘴唇自然，眼神直视"
  },
  "skin": {
    "tone": "极深黑色",
    "finish": "光滑，哑光带微弱自然光泽",
    "texture": "肤色均匀，无明显瑕疵"
  },
  "face": {
    "shape": "椭圆形",
    "eyes": {
      "color": "浅蓝色",
      "shape": "杏仁状",
      "detail": "眼白清澈，焦点锐利"
    },
    "nose": "笔直，鼻梁窄",
    "lips": {
      "shape": "丰满",
      "finish": "有光泽"
    },
    "makeup": "淡妆，自然妆感，微光唇彩"
  },
  "hair": {
    "color": "黑色",
    "style": "长直发",
    "part": "中分",
    "texture": "顺滑，服帖"
  },
  "clothing": {
    "top": "黑色露肩修身款上衣",
    "material": "弹力面料",
    "style": "简约，现代"
  },
  "accessories": {
    "necklace": {
      "type": "细链",
      "pendant": "小星星",
      "color": "金色"
    }
  },
  "environment": {
    "location": "卧室",
    "furniture": [
      "铺有白色床品的床",
      "木制床头柜",
      "台灯",
      "书架"
    ],
    "floor": "抛光木地板",
    "background_style": "整洁，舒适，现代家居内饰"
  },
  "lighting": {
    "type": "温暖的室内照明",
    "source": "台灯",
    "effect": "柔和的阴影，面部和皮肤有轻微高光"
  },
  "camera": {
    "angle": "略高的自拍角度",
    "framing": "上半身特写",
    "focus": "面部清晰",
    "depth_of_field": "浅景深"
  },
  "image_style": {
    "look": "写实摄影",
    "color_tone": "温暖的自然色彩",
    "contrast": "均衡",
    "grain": "极低"
  },
  "quality": {
    "resolution": "高",
    "clarity": "细节清晰，皮肤渲染自然"
  }
}
```