超逼真的 iPhone 17 Pro 自拍模拟提示词

```json
{
  "metadata": {
    "device_simulation": "iPhone 17 Pro 前置摄像头",
    "goal": "生成超逼真的自拍照，看起来像是用 iPhone 17 Pro 真实拍摄的",
    "output_type": "照片",
    "confidence_level": "高"
  },
  "camera_system": {
    "lens": {
      "focal_length": "26 毫米等效焦距",
      "aperture": "f1.8",
      "distortion_profile": "与 iPhone 前置镜头一致的轻微桶形畸变",
      "depth_estimation": "TrueDepth 引擎模拟，用于精确的面部深度映射",
      "flare_behavior": "亮边处自然微镜头眩光"
    },
    "sensor": {
      "resolution": "24MP 融合传感器输出",
      "hdr_engine": "Smart HDR 7 色调映射与多帧融合",
      "noise_profile": {
        "shadows": "与 iPhone 前置摄像头典型的轻微自然噪点",
        "midtones": "干净但不失真",
        "highlights": "柔和的高光衰减，无削波"
      },
      "color_filter_array": "Apple 专有广色域 CFA 模拟",
      "dynamic_range": "高动态范围，具有逼真的 Apple 风格色调平衡"
    }
  },
  "lighting_simulation": {
    "source_type": "根据用户请求，自然光或人造光",
    "lighting_quality": "柔和定向光，具有逼真的阴影渐变",
    "shadow_properties": {
      "edge_quality": "柔和、羽化的边缘",
      "density": "与室内或室外照明一致的中等自然密度",
      "placement": "与所选自拍角度精确匹配"
    },
    "highlight_properties": {
      "treatment": "保留高光，柔和衰减",
      "skin_reflectance": "鼻部、额头和颧骨上的微高光反射"
    },
    "ambient_fill": "与 iPhone 图像信号处理典型的柔和补光",
    "temperature": "根据环境，从中性到暖色调"
  },
  "subject_rendering": {
    "face": {
      "skin_texture": {
        "pores": "可见但自然柔和",
        "imperfections": "微小瑕疵、轻微不均匀、柔软面部毛发",
        "realism_requirements": "无美颜平滑、无塑料感、无 AI 完美表面"
      },
      "facial_contours": "精确的 TrueDepth 映射曲率，具有自然的阴影衰减",
      "expression": "用户选择的情绪（自信、放松、随意、俏皮）",
      "eye_detail": {
        "reflections": "与光线方向一致的微反射",
        "sharpness": "高保真度，具有自然对比度"
      }
    },
    "hair": {
      "strand_detail": "精细发丝渲染，具有自然不规则性",
      "flyaways": "轻微但逼真",
      "volume": "基于参考的自然密度",
      "lighting_interaction": "柔和光泽，具有自然镜面高光"
    },
    "hands_and_arms": {
      "selfie_arm_position": "与前置摄像头自拍一致的自然手臂伸展",
      "perspective_d": ""
    }
  }
}
```