逼真的海滩肖像，带身份锁定

```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——保留精确的面部结构、比例、皮肤纹理、眼睛形状、嘴唇和整体身份"
    },
    "subject": {
      "type": "年轻女性",
      "appearance": {
        "hair": {
          "color": "深棕色",
          "style": "长发，自然垂落，披散在背部",
          "accessory": "一条浅色头巾，轻柔地系在头上"
        },
        "skin": {
          "tone": "与参考图片相同",
          "texture": "自然、晒黑、真实"
        },
        "expression": "浅笑",
        "emotion": "开朗、放松",
        "gaze": "回头看向镜头，越过肩膀"
      },
      "pose": {
        "body_orientation": "站在海岸线上，身体面向大海",
        "upper_body": "身体上半部分略微转向镜头",
        "shoulders": "放松",
        "hands": "自然垂放在身体两侧",
        "posture": "随意而俏皮"
      }
    },
    "outfit": {
      "top": {
        "type": "挂脖式露脐上衣",
        "color": "粉色",
        "fit": "修身，沙滩装风格",
        "details": "颈部系带，露背设计"
      },
      "bottom": {
        "type": "飘逸的裙子",
        "color": "浅蓝色",
        "material": "轻薄、半透明面料",
        "fit": "宽松飘逸"
      },
      "accessories": {
        "jewelry": "极少或无",
        "footwear": "赤脚踩在沙滩上"
      }
    },
    "environment": {
      "location": "沙滩海岸线",
      "background": [
        "轻柔的海浪",
        "开阔的海洋",
        "地平线上远处的陆地",
        "晴朗的蓝天"
      ],
      "ground": "水线附近的金色沙滩"
    },
    "lighting": {
      "type": "自然日光",
      "time_of_day": "傍晚",
      "quality": "柔和温暖的阳光",
      "effect": "均匀照明，带有自然高光"
    },
    "composition": {
      "shot_type": "全身户外肖像",
      "camera_angle": "平视",
      "framing": "主体略微偏离中心，大海作为背景",
      "style": "抓拍式海滩生活照"
    },
    "image_style": {
      "realism": "高度写实",
      "detail": "清晰的面部特征，自然的织物纹理，清晰的环境",
      "mood": "明亮、无忧无虑、夏日风情",
      "resolution": "高分辨率"
    },
    "constraints": {
      "no_face_change": true,
      "no_identity_merge": true,
      "no_beauty_overediting": true,
      "maintain_original_features": true
    }
  }
}
```