电影感都市冬夜人像

```json
{
  "Objective": "创作一张超写实的电影级特写冬季肖像，营造出忧郁的都市氛围，同时平衡冷冽的冬日色调与温暖的城市灯光。",
  "Persona_Details": {
    "Subject": "年轻成年男性",
    "Facial_Features": {
      "Facial_Hair": "浅浅的胡茬",
      "Expression": "平静、沉思",
      "Gaze": "略微向上凝视"
    },
    "Appearance_Interaction": {
      "Snow": "柔软的雪花自然地落在头发、围巾和外套上"
    }
  },
  "Wardrobe": {
    "Outerwear": "深色冬款大衣",
    "Accessory": "{argument name=\"accessory\" default=\"厚实针织围巾\"}",
    "Style": "经典、低调的冬季时尚"
  },
  "Scene_and_Environment": {
    "Location": "冬日夜晚的户外城市街道",
    "Atmosphere": {
      "Snowfall": "轻柔、持续的降雪",
      "Mood": "宁静、沉思、电影感"
    },
    "Background": {
      "Lighting": "温暖的金黄色路灯",
      "Effect": "柔和的圆形散景光斑"
    }
  },
  "Lighting_and_Mood": {
    "Key_Light": "照亮面部的冷蓝色冬日光线",
    "Accent_Light": "路灯投射的温暖金色高光",
    "Contrast": "冷暖对比的电影级平衡",
    "Mood": "氛围感、亲密、情感上的沉思"
  },
  "Photography_Style": {
    "Genre": "电影感都市肖像",
    "Lens": "85mm",
    "Aperture": "f/1.8",
    "Depth_of_Field": "浅景深",
    "Framing": "特写肖像",
    "Focus": "眼睛和面部细节锐利清晰，背景平滑模糊"
  },
  "Color_and_Grading": {
    "Color_Grade": "电影级调色",
    "Shadows": "青蓝色冬日色调",
    "Highlights": "温暖的金色点缀",
    "Overall_Palette": [
      "冷蓝色调",
      "深沉中性色",
      "温暖琥珀色高光"
    ]
  },
  "Detail_and_Quality": {
    "Texture_Detail": [
      "逼真的皮肤纹理",
      "精细的胡茬细节",
      "针织面料纤维",
      "独立的雪花"
    ],
    "Realism_Level": "照片级写实",
    "Quality": "专业摄影标准"
  },
  "Quality_Tags": [
    "超写实",
    "照片写实主义",
    "电影感冬季肖像",
    "都市夜景氛围",
    "高端编辑"
  ],
  "Negative_Prompts": [
    "文字",
    "标志",
    "水印",
    "过度平滑的皮肤",
    "卡通或插画风格",
    "扁平光线",
    "低分辨率"
  ],
  "Output_Constraints": {
    "Text_Overlay": false,
    "Branding": false,
    "Watermark": false
  },
  "Response_Format": {
    "Type": "单张图片",
    "Aspect_Ratio": "肖像（推荐 4:5 或 3:4）",
    "Use_Case": "电影级肖像摄影、冬季专题、生活方式叙事"
  }
}
```