Instagram 风格的休闲肖像提示，带身份锁定

```json
{
  "image_generation": {
    "face": {
      "preserve_original": true,
      "reference_match": true,
      "description": "保留参考图像中相同的面部特征、柔和自然的妆容、唇形、眼睛细节和平静的表情。"
    },
    "photo_style": {
      "type": "户外休闲肖像",
      "camera_angle": "特写肖像，略低角度",
      "lighting": "柔和的自然日光，曝光均匀",
      "mood": "平静、简约、略带内省",
      "texture": "自然的皮肤纹理，细节柔和，色调平滑",
      "focus": "面部对焦清晰，背景干净模糊"
    },
    "subject": {
      "pose": "特写肖像，一只手托腮，头部略微前倾",
      "expression": "中性至微噘嘴，放松自信",
      "hair": {
        "style": "直发带柔和刘海，一些发丝随风自然飘动",
        "color": "深棕色或黑色"
      },
      "clothing": {
        "type": "休闲街头服饰",
        "details": "宽松蓝色连帽衫，帽子戴起"
      },
      "accessories": {
        "ring": "手指上戴着简约戒指",
        "bag": "肩部可见背包肩带"
      }
    },
    "environment": {
      "setting": "户外开放空间",
      "background": "晴朗的蓝天，无干扰物",
      "atmosphere": "清新、开阔、简约"
    },
    "aesthetic": {
      "style": "干净的 Instagram 风格肖像",
      "features": [
        "极简配色方案",
        "柔和自然光线",
        "休闲连帽衫时尚",
        "干净的天空背景",
        "现代生活方式氛围"
      ]
    }
  }
}
```