# GPT Image Hub prompt

## 蓝调时刻天台人像
- URL: https://www.gptimagehub.com/zh-CN/library/blue-hour-rooftop-portrait-2
- Generator URL: https://www.gptimagehub.com/zh-CN/generate?promptId=oss-ym-mm-11622
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-CN%2Flibrary%2Fblue-hour-rooftop-portrait-2
- Category: 人像与摄影
- Model: nanobananapro
- Aspect ratio: 4:5
- Style: photorealistic
- Tags: 人像摄影, 蓝调时刻, 天台, 电影感, 优雅, json提示词
- Updated: 2026-10-28T02:39:13.098Z
- Created: 2026-10-28T02:39:13.098Z

基于上传的面部参考图生成蓝调时刻天台半身肖像。可通过修改JSON字段自定时装、配饰或城市天际线背景。

### Full prompt
```text
{
  "character_source": {
    "base_reference": "[USE_PROVIDED_REFERENCE_IMAGE_FOR_FACE_AND_IDENTITY]",
    "instruction": "精确匹配参考照片中的面部轮廓、肤色、比例、独有特征与整体身份",
    "consistency": "面部高度相似，保留人物身份特征，不改变核心五官"
  },
  "expression": {
    "face_expression": "自然、微严肃、唇部放松",
    "emotion": "从容、自信、微带疏离感",
    "eye_expression": "柔和而坚定的直视眼神"
  },
  "hair": {
    "instruction": "保持发型与参考照片一致",
    "styling": "自然蓬松、微风拂动感、优雅质感"
  },
  "pose": {
    "position": "坐在白色大理石桌旁",
    "right_hand": "右手轻托下巴",
    "left_hand": "左手自然搭在桌面上",
    "body_angle": "身体微侧朝向镜头",
    "posture": "端正而放松"
  },
  "outfit": {
    "dress": "黑色细吊带低领连衣裙",
    "outerwear": "披在肩上的黑色西装外套",
    "style": "极简、高雅、摩登别致"
  },
  "accessories": {
    "jewelry": "纤细金戒指",
    "bag": "身旁放置的深棕色皮质手提包",
    "extra_detail": "包内露出一角的时尚杂志"
  },
  "environment": {
    "location": "奢华高层天台露台",
    "table": "前景中的白色大理石圆桌",
    "background_elements": "玻璃护栏、现代建筑、远处城市天际线",
    "sky": "日落后的蓝调时刻天空"
  },
  "camera_settings": {
    "angle": "视平线平视",
    "framing": "半身肖像",
    "lens": "50mm",
    "aperture": "f/1.8",
    "depth_of_field": "浅景深，电影感背景虚化",
    "focus": "焦点精准对准面部与眼眸"
  },
  "lighting": {
    "time_of_day": "黄昏蓝调时刻",
    "key_light": "柔和自然的傍晚环境光",
    "fill_light": "来自室内微弱温暖的漫反射溢光",
    "color_tone": "微冷调电影感调色",
    "skin_rendering": "自然真实的原生皮肤质感"
  }
}
```