逼真的旅行肖像，带身份锁定

```json
{
  "type": "image_generation_prompt",
  "aspect_ratio": "3:4",
  "style": "逼真的旅行肖像，电影般的日光",
  "identity_preservation": {
    "use_reference_image": true,
    "strict_identity_lock": true,
    "alter_face": false,
    "alter_features": false,
    "notes": "精确保留主体在参考图像中的面部、头发和自然特征。"
  },
  "subject": {
    "gender": "女性",
    "pose": {
      "body": "站在河畔栏杆旁",
      "orientation": "身体略微朝向河流",
      "head": "头部转向面对镜头"
    },
    "expression": "自然、平静、柔和的微笑",
    "appearance": {
      "hair": "长发、散开、自然波浪",
      "wardrobe": "黑色长外套，优雅简约"
    }
  },
  "environment": {
    "location": "{argument name=\"location\" default=\"伦敦河畔长廊\"}",
    "landmarks": [
      "清晰可见的伦敦塔桥",
      "泰晤士河",
      "远处现代的伦敦天际线"
    ],
    "time_of_day": "晴朗的白天",
    "weather": "阳光明媚，蓝天白云"
  },
  "lighting": {
    "type": "自然日光",
    "direction": "侧面和正面阳光",
    "effects": [
      "柔和的阴影",
      "头发和外套上的自然高光",
      "清晰的建筑细节"
    ]
  },
  "camera": {
    "shot_type": "中景全身照",
    "angle": "平视",
    "focus": "主体对焦清晰",
    "depth_of_field": "适中，背景略微柔化",
    "quality": "高清 / 超清晰"
  },
  "quality": {
    "resolution": "高清晰度",
    "realism": "逼真",
    "detail_level": "建筑、水面和纹理细节丰富"
  },
  "constraints": [
    "不要改变面部特征",
    "不要改变服装风格",
    "无文字、标志或水印",
    "无人工滤镜",
    "地标无扭曲"
  ],
  "output_goal": "创建一张高清、逼真的图像，描绘同一位女性在伦敦塔桥，保持原始背景和服装，但她的头部转向直接看向镜头，置于自然日光下。"
}
```