健身房镜子自拍，带身份锁定提示

```json
{
  "image_prompt": {
    "reference": {
      "face_identity": "使用上传的参考图片",
      "identity_lock": true,
      "face_accuracy": "与参考图片 100% 一致——相同的面部结构、比例、皮肤纹理、表情和细节"
    },
    "subject": {
      "type": "年轻女性",
      "appearance": {
        "hair": {
          "color": "深棕色",
          "style": "长卷发，半扎凌乱丸子头，脸部周围有散落的发丝"
        },
        "skin": {
          "tone": "与参考图片相同",
          "texture": "自然、真实"
        },
        "expression": "平静、沉着、略显专注",
        "gaze": "看着手机屏幕"
      },
      "pose": {
        "stance": "站立，一条腿略微向前",
        "hands": {
          "right": "手持黑色智能手机进行镜面自拍",
          "left": "手持装有棕色液体的透明水瓶"
        }
      }
    },
    "outfit": {
      "top": {
        "primary": "修身白色 T 恤",
        "layer": "白色宽松长袖连帽衫"
      },
      "bottom": {
        "type": "黑色慢跑裤",
        "color": "海军蓝"
      },
      "footwear": {
        "shoes": "白色运动鞋",
        "socks": "白色中筒袜"
      }
    },
    "environment": {
      "location": "现代室内健身房",
      "features": [
        "大型墙面镜",
        "跑步机",
        "举重器械",
        "橡胶健身房地板",
        "地板上的健身垫"
      ],
      "reflection": "镜子接缝在画面中垂直可见"
    },
    "lighting": {
      "type": "明亮的顶部荧光健身房照明",
      "quality": "均匀、中性的照明，阴影极少"
    },
    "composition": {
      "shot_type": "全身镜面自拍",
      "camera_angle": "平视",
      "framing": "主体居中",
      "style": "休闲健身生活方式照片"
    },
    "image_style": {
      "realism": "高度写实",
      "detail": "清晰的服装纹理和清晰的健身房背景",
      "mood": "干净、现代、休闲",
      "resolution": "高分辨率"
    }
  }
}
```