# GPT Image Hub prompt

## 露背长裙夜间直闪人像
- URL: https://www.gptimagehub.com/zh-CN/library/night-flash-portrait-in-backless-dress
- Generator URL: https://www.gptimagehub.com/zh-CN/generate?promptId=oss-ym-mm-5428
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-CN%2Flibrary%2Fnight-flash-portrait-in-backless-dress
- Category: 人像与摄影
- Model: nanobanana
- Aspect ratio: 3:4
- Style: photorealistic
- Tags: 人像摄影, 机顶闪光灯, 露背长裙, 夜拍生图, 真实质感, 抓拍风格
- Updated: 2026-10-27T20:51:13.098Z
- Created: 2026-10-27T20:51:13.098Z

生成坐在户外石阶上回眸的直闪夜景女性人像。可在 JSON 中自由调整裙装款式、发型或背景环境。

### Full prompt
```text
{
  "subject": {
    "description": "[中分深棕色长发、小麦色健康肌肤的年轻成年女性]。拥有轮廓分明的精致面部五官：高颧骨、挺拔的鼻梁、利落的拱形眉与饱满水润的双唇。身穿一件[超细吊带的黑色及地开背长裙]，背部大面积镂空直抵腰际，凸显脊椎线条与肩胛骨结构。",
    "anatomy_constraints": {
      "body_type": "匀称且具有柔和感的真实身材比例",
      "skin_texture": "超高精度毛孔质感，闪光灯映照下的微光光泽，自然肌肤肌理，上背部有微小痣或雀斑",
      "bust_volume": "侧面可见的自然软组织形态与重力垂坠感",
      "back_details": "清晰的肩胛骨轮廓，优美的脊柱沟，紧致光滑的肌肉线条"
    }
  },
  "pose": {
    "type": "坐姿回眸扭转",
    "description": "被摄者坐在[石质台阶]上，背对镜头，躯干大幅度向左扭转，越过肩膀直视镜头。背部微拱以突显脊椎曲线。手臂自然搭在膝侧，脖颈扭转保持眼神接触。",
    "alignment": "头部越肩回转，目光锁定镜头，下巴微收"
  },
  "environment": {
    "setting": "夜间户外，[庭院或居所的石质台阶]",
    "elements": [
      "带深色勾缝的米色或浅灰色石阶",
      "低矮的石制挡墙",
      "背景紧邻的深绿色茂密灌木与树篱",
      "纯净深邃的暗夜背景"
    ]
  },
  "camera": {
    "shot_type": "中景，微俯角",
    "perspective": "近距离俯视被摄者",
    "focal_length": "等效35mm至50mm",
    "depth_of_field": "面部与背部清晰对焦，背景绿植轻微虚化"
  },
  "lighting": {
    "type": "机顶机位直打闪光灯（硬光闪光摄影）",
    "characteristics": [
      "高对比度",
      "身后墙面上投下边缘清晰的硬阴影",
      "肩膀、颧骨、鼻尖及前额的高亮镜面反射",
      "强闪光映衬下的真实肌肤水润光泽",
      "闪光灯光衰导致的边缘轻微暗角"
    ]
  },
  "mood_and_expression": {
    "mood": "迷人、神秘、自信的都市夜生活美学",
    "expression": "冷艳性感，微启的丰润双唇，锐利专注的凝视",
    "eye_contact": "直接、穿透力强的眼神锁定"
  },
  "style_and_realism": {
    "style": "硬闪抓拍风格，狗仔夜拍美学，真实随性纪实感",
    "fidelity": "超真实摄影质感，未经磨皮的自然纹理，细腻的高ISO胶片噪点"
  },
  "colors_and_tone": {
    "palette": [
      "纯黑色调（裙装与暗部阴影）",
      "温暖小麦色皮肤色调",
      "米色与浅灰石材暖调",
      "深森林绿（背景植物）"
    ],
    "tonality": "温暖肤色与冷峻深黑阴影形成鲜明对比"
  }
}
```