保留身份的寫實浪漫情侶肖像

```json
{
  "reference_faces": {
    "female": {
      "use_reference_image": true,
      "face_consistency": "high",
      "preserve_identity": true,
      "notes": "與提供的參考圖像保持相同的面部結構、眼睛、鼻子、嘴唇、膚色和整體相似度"
    },
    "male": {
      "use_reference_image": true,
      "face_consistency": "high",
      "preserve_identity": true,
      "notes": "與提供的參考圖像保持相同的面部結構、鬍鬚樣式、下顎線、笑容和膚色"
    }
  },

  "subjects": {
    "female": {
      "age": "年輕成人",
      "expression": "自然愉快的笑容",
      "hair": {
        "color": "深棕色",
        "style": "散開或柔和造型"
      },
      "pose": "放鬆，身體略微傾向伴侶",
      "vibe": "溫暖、深情、真誠"
    },
    "male": {
      "age": "年輕成人",
      "expression": "真誠的笑容",
      "hair": {
        "color": "深棕色",
        "style": "短髮，自然"
      },
      "facial_hair": "淺色鬍鬚或鬍渣",
      "pose": "手臂環繞伴侶或站得很近",
      "vibe": "保護、放鬆、深情"
    }
  },

  "interaction": {
    "relationship": "浪漫情侶",
    "body_language": "親近、自在、自然的親密感",
    "hands": "牽手或輕輕擁抱",
    "head_position": "頭部略微傾向對方"
  },

  "scene": {
    "location": "浪漫的戶外或室內場景",
    "examples": [
      "酒店房間鏡子自拍",
      "戶外夜燈",
      "旅遊目的地",
      "舒適的城市夜晚"
    ],
    "background_style": "柔和模糊，有美感",
    "time_of_day": "傍晚或黃金時段"
  },

  "lighting": {
    "type": "柔和自然光",
    "temperature": "暖色調",
    "effect": "光滑膚色，浪漫光澤"
  },

  "camera": {
    "shot_type": "中景",
    "angle": "視線水平",
    "focus": "臉部清晰，背景略微模糊",
    "style": "生活風格攝影"
  },

  "photography_style": {
    "mood": "浪漫、真誠、親密",
    "quality": "高解析度，寫實",
    "color_grading": "柔和暖色調"
  },

  "constraints": {
    "no_face_changes": true,
    "no_identity_mix": true,
    "no_cartoon_style": true,
    "no_exaggeration": true
  },

  "output": {
    "realism": "寫實照片",
    "detail_level": "高",
    "aspect_ratio": "4:5"
  }
}
```