# GPT Image Hub prompt

## 画廊艺术经纪人明暗对照肖像
- URL: https://www.gptimagehub.com/zh-CN/library/chiaroscuro-portrait-of-gallery-art-dealer
- Generator URL: https://www.gptimagehub.com/zh-CN/generate?promptId=oss-ym-mm-1631
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-CN%2Flibrary%2Fchiaroscuro-portrait-of-gallery-art-dealer
- Category: 人像与摄影
- Model: nanobanana
- Aspect ratio: 4:5
- Style: photorealistic
- Tags: 肖像摄影, 电影质感, 写实摄影, 艺术经纪人, 明暗对照, 中画幅, 结构化提示词
- Updated: 2026-10-26T18:56:43.098Z
- Created: 2026-10-26T18:56:43.098Z

生成艺术画廊中摩登策展人的结构化中画幅电影质感肖像。可通过修改JSON括号中的年龄、着装与环境参数快速定制。

### Full prompt
```text
{
  "core_style": "电影质感肖像，中画幅摄影风格",
  "target_quality": "中画幅照片级写实度，焦点锐利，影调丰富",
  "main_rule": "面部特征严格锁定并还原参考照片，无多余磨皮",
  "shot_setup": {
    "camera": "Phase One IQ4 150MP 搭配 Rodenstock 90mm HR 镜头",
    "angle": "平视视线高度，正中心构图",
    "framing": "特写胸上人像，4:5画幅比例，四周留有平衡的呼吸空间",
    "perspective": "平整自然的透视感"
  },
  "subject": {
    "age": "[27–32岁]",
    "persona": "[清晨画廊阁楼里的艺术经纪人，神态冷静且极具锋芒]",
    "pose": {
      "action": "倚靠在未加工的清水混凝土墙面上",
      "head": "下巴微抬，双眼直视镜头",
      "mouth": "双唇微闭，嘴角泛着一抹若有若无的心照不宣的微讽",
      "shoulders": "放松但挺拔，单侧西装袖子挽至肘部",
      "hands": "右手两指松弛地夹着燃了半截的细卷烟，左手叉腰"
    },
    "hair": "[齐肩微卷自然黑发，略显凌乱，一缕发丝垂在颧骨旁]",
    "outfit": "[剪裁考究的炭灰色宽版西装外套，内搭黑色真丝抹胸，高腰黑色皮裤]",
    "makeup": "自然淡妆，利落眉形，轻薄睫毛膏，颧骨带微弱光泽感"
  },
  "accessories": [
    "[紧贴颈部的纤细铂金颈圈]",
    "[手腕佩戴的大号复古金表]"
  ],
  "environment": {
    "location": "[当代艺术画廊私人展厅，破晓时分]",
    "background": "背后挂着巨幅血红与纯黑抽象油画，单盏射灯投出硬朗斜角阴影",
    "time": "清晨第一缕冷青色微光从磨砂天窗透入"
  },
  "lighting": {
    "key": "左上方硬质5600K画廊聚光灯，雕刻出锐利的颧骨和下颌线",
    "fill": "上方渗入的冷钢蓝色环境微光",
    "effect": "卡拉瓦乔式的明暗对比，皮质与真丝精准反射冷暖交织的高光"
  },
  "render_details": {
    "skin": "真实的皮肤毛孔与微小肌理",
    "fabric": "皮革微质感与真丝如水流般的反光效果",
    "eyes": "双重眼神光（暖白聚光点与冷蓝天窗光）"
  }
}
```