超逼真 16K 智能手机闪光自拍

```json
{
  "generative_specification": {
    "project_metadata": {
      "title": "超真实感自拍",
      "resolution_target": "16K",
      "render_engine_style": "照片级真实感",
      "critical_constraint": "面部特征必须与原始参考严格保持不变。"
    },
    "composition_layer": {
      "framing": "特写自拍",
      "perspective": "第一人称视角 (POV)",
      "camera_angle": "平视，手臂伸展",
      "focal_length": "24mm (相当于智能手机主摄像头)"
    },
    "subject_layer": {
      "identity": {
        "archetype": "年轻女孩",
        "expression": "自然，看向镜头或屏幕"
      },
      "anatomy_pose": {
        "action": "单手握持智能手机",
        "posture": "身体略微倾斜向镜头",
        "hand_detail": "可见握持设备的细节"
      },
      "grooming_hair": {
        "color": "灰棕色",
        "length": "非常长且浓密，超出画面",
        "texture": "蓬松、丰盈、柔和的波浪",
        "styling_structure": {
          "bangs": "稀疏、蓬松、中分八字刘海",
          "sides": "略微向后梳/夹起",
          "accessories": "左右鬓角有装饰性发夹"
        }
      },
      "wardrobe": {
        "garment": "T 恤",
        "color": "黑色",
        "fit": "紧身/修身",
        "fabric_detail": "棉质哑光纹理"
      }
    },
    "props_layer": {
      "device": {
        "model": "{argument name=\"phone model\" default=\"iPhone 16 Pro Max\"}",
        "state": "闪光灯已启用 (手电筒/频闪灯闪烁)",
        "orientation": "垂直/肖像",
        "material": "钛/玻璃"
      }
    },
    "environment_layer": {
      "setting_type": "卧室角落 / 审美空间",
      "decor_elements": [
        "电影海报拼贴",
        "乐队海报",
        "墙面艺术"
      ],
      "lighting_fixtures": "背景中可见 LED 灯带",
      "atmosphere": "Z 世代审美，舒适、艺术、有生活气息"
    },
    "lighting_and_atmosphere": {
      "key_light": {
        "source": "智能手机闪光灯",
        "type": "直射、强烈、高对比度",
        "effect": "照亮面部和前景，在皮肤和发夹上产生高光"
      },
      "ambient_light": {
        "source": "背景 LED 灯",
        "palette": ["亮粉色", "深紫色", "紫罗兰色"],
        "style": "电影/杂志风格",
        "effect": "营造出彩色的轮廓光和忧郁的背景光晕"
      }
    },
    "texture_and_rendering": {
      "skin_fidelity": "超真实感，可见毛孔，自然瑕疵，无磨皮",
      "hair_fidelity": "单根发丝渲染，闪光灯下的高光泽",
      "noise_profile": "细微的数字噪点 (智能手机传感器模拟)"
    },
    "final_prompt_construction": {
      "text_prompt": "一个年轻女孩的超真实 16K 自拍，使用 iPhone 16 Pro Max 拍摄，带有强烈闪光灯。她"
    }
  }
}
```