超逼真 iPhone 17 Pro 自拍模擬提示

```json
{
  "metadata": {
    "device_simulation": "iPhone 17 Pro 前置鏡頭",
    "goal": "生成超逼真的自拍照，看起來就像是透過 iPhone 17 Pro 真實捕捉的",
    "output_type": "photograph",
    "confidence_level": "high"
  },

  "camera_system": {
    "lens": {
      "focal_length": "26mm 等效焦距",
      "aperture": "f1.8",
      "distortion_profile": "與 iPhone 前置鏡頭一致的輕微桶狀畸變",
      "depth_estimation": "TrueDepth 引擎模擬，用於精確的面部深度映射",
      "flare_behavior": "亮邊緣處自然的微鏡頭光斑"
    },

    "sensor": {
      "resolution": "24MP 融合感應器輸出",
      "hdr_engine": "Smart HDR 7 色調映射與多幀融合",
      "noise_profile": {
        "shadows": "與 iPhone 前置鏡頭典型的輕微自然噪點",
        "midtones": "清晰但不塑膠感",
        "highlights": "輕微的高光衰減，無過曝"
      },
      "color_filter_array": "Apple 專有的廣色域 CFA 模擬",
      "dynamic_range": "高動態範圍，具有逼真的 Apple 風格色調平衡"
    }
  },

  "lighting_simulation": {
    "source_type": "根據使用者要求選擇自然光或人造光",
    "lighting_quality": "柔和定向光，帶有逼真的陰影漸變",
    "shadow_properties": {
      "edge_quality": "柔和、羽化的邊緣",
      "density": "與室內或室外照明一致的中等自然密度",
      "placement": "與所選自拍角度精確對應"
    },
    "highlight_properties": {
      "treatment": "保留高光，並帶有柔和的衰減",
      "skin_reflectance": "鼻子、額頭和顴骨上的微高光反射"
    },
    "ambient_fill": "與 iPhone 圖像訊號處理典型的輕微補光",
    "temperature": "根據環境呈現中性至暖色調"
  },

  "subject_rendering": {
    "face": {
      "skin_texture": {
        "pores": "可見但自然柔和",
        "imperfections": "微小瑕疵、輕微不均勻、柔和的臉部毛髮",
        "realism_requirements": "無美顏平滑、無塑膠感、無 AI 完美表面"
      },
      "facial_contours": "精確的 TrueDepth 映射曲率，帶有自然的陰影衰減",
      "expression": "使用者選擇的情緒（自信、放鬆、自然、俏皮）",
      "eye_detail": {
        "reflections": "與光線方向一致的微反射",
        "sharpness": "高保真度與自然對比"
      }
    },

    "hair": {
      "strand_detail": "精細髮絲渲染，帶有自然的不規則性",
      "flyaways": "輕微但逼真",
      "volume": "根據參考資料呈現自然髮量",
      "lighting_interaction": "柔和光澤與自然高光反射"
    },

    "hands_and_arms": {
      "selfie_arm_position": "與前置鏡頭自拍一致的自然手臂伸展",
      "perspective_d": ""
    }
  }
}
```