# GPT Image Hub prompt

## 石阶上的数字孪生肖像
- URL: https://www.gptimagehub.com/zh-CN/library/digital-twin-portrait-on-stone-stairs
- Generator URL: https://www.gptimagehub.com/zh-CN/generate?promptId=oss-ym-mm-10958
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-CN%2Flibrary%2Fdigital-twin-portrait-on-stone-stairs
- Category: 人像与摄影
- Model: gpt-image-2-5-sunburst
- Aspect ratio: 3:4
- Style: photorealistic
- Tags: 数字孪生, 人像摄影, json提示词, 解剖精度, 超写实, 时尚
- Updated: 2026-10-26T18:25:04.341Z
- Created: 2026-10-26T18:25:04.341Z

生成JSON格式的高度解剖精度肖像，呈现石阶上的极致质感。可修改生物识别参考或服饰细节以生成不同人物。

### Full prompt
```text
{
  "subject": {
    "identity": {
      "biometric_reference": "[萨布丽娜·卡彭特]",
      "forensic_fidelity_level": "1.0 (Digital Twin)",
      "facial_morphology": {
        "structure": "心形面部结构，颧弓分明，下颌轮廓柔和",
        "eyes": {
          "iris_pattern": "细节极其丰富的蓝绿色虹膜基质，带有清晰的瞳孔区和色素隐窝",
          "anatomy": "外眦倾斜，眶上嵴清晰，自然浓密的睫毛",
          "color_hex": "#A1C4D0"
        },
        "nose": {
          "morphology": "直鼻梁，鼻尖精致微翘，鼻翼基底对称"
        },
        "skin": {
          "texture": "肉眼可见的毛孔，表皮细微纹理，无人工磨皮或柔化",
          "tone_hex": "#F9E4D6",
          "physics": "带有逼真血管底色的次表面散射"
        }
      }
    },
    "body": {
      "somatotype": "外胚与中胚复合型，等比例缩放至151厘米身高的娇小体型",
      "proportions": {
        "waist_to_hip_ratio": "0.7解剖学精确腰臀比",
        "shoulder_width": "纤窄且自然的锁骨轮廓",
        "muscle_density": "体态与结构线条匀称紧致"
      },
      "limbs": {
        "hands": "精细的指骨，自然的甲床，解剖学关节纹理",
        "feet": "自然落在石阶上的精确跖骨结构"
      }
    },
    "hair": {
      "style": "浓密蓬松的微卷金色长发，搭配法式八字刘海",
      "physics": "具备各向异性高光的独立发丝渲染",
      "color_hex": "#E6D2A0"
    },
    "wardrobe": {
      "base_layer": "[黑色真丝缎面及膝裙]，领口适度端庄，下摆优雅及膝",
      "outer_layer": "舒适地搭在双肩上的[粗针织黑色宽松开衫]",
      "material_science": "缎面的镜面光泽与羊毛针织的哑光吸光形成对比",
      "accessories": "右手腕上的[细银手链]"
    },
    "pose_action": {
      "description": "坐在风化的石阶上，身体微侧面向镜头，左手轻倚面颊呈沉思中性神情，右手自然搭在膝上，目光平静，双唇微闭",
      "posture": "石阶上不对称且放松的坐姿，裙摆自然垂顺"
    }
  }
}
```