# GPT Image Hub prompt

## 露背長裙夜間直閃人像
- URL: https://www.gptimagehub.com/zh-TW/library/night-flash-portrait-in-backless-dress
- Generator URL: https://www.gptimagehub.com/zh-TW/generate?promptId=oss-ym-mm-5428
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fzh-TW%2Flibrary%2Fnight-flash-portrait-in-backless-dress
- Category: 人像與攝影
- Model: nanobanana
- Aspect ratio: 3:4
- Style: photorealistic
- Tags: 人像攝影, 機頂閃光燈, 露背長裙, 夜拍生圖, 真實質感, 抓拍風格
- Updated: 2026-10-27T20:51:13.098Z
- Created: 2026-10-27T20:51:13.098Z

生成坐在戶外石階上回眸的直閃夜景女性人像。可在 JSON 中自由調整裙裝款式、髮型或背景環境。

### Full prompt
```text
{
  "subject": {
    "description": "[中分深棕色長髮、小麥色健康肌膚的年輕成年女性]。擁有輪廓分明的精緻面部五官：高顴骨、挺拔的鼻樑、利落的拱形眉與飽滿水潤的雙唇。身穿一件[超細吊帶的黑色及地開背長裙]，背部大面積鏤空直抵腰際，凸顯脊椎線條與肩胛骨結構。",
    "anatomy_constraints": {
      "body_type": "勻稱且具有柔和感的真實身材比例",
      "skin_texture": "超高精度毛孔質感，閃光燈映照下的微光光澤，自然肌膚肌理，上背部有微小痣或雀斑",
      "bust_volume": "側面可見的自然軟組織形態與重力垂墜感",
      "back_details": "清晰的肩胛骨輪廓，優美的脊柱溝，緊緻光滑的肌肉線條"
    }
  },
  "pose": {
    "type": "坐姿回眸扭轉",
    "description": "被攝者坐在[石質臺階]上，背對鏡頭，軀幹大幅度向左扭轉，越過肩膀直視鏡頭。背部微拱以突顯脊椎曲線。手臂自然搭在膝側，脖頸扭轉保持眼神接觸。",
    "alignment": "頭部越肩迴轉，目光鎖定鏡頭，下巴微收"
  },
  "environment": {
    "setting": "夜間戶外，[庭院或居所的石質臺階]",
    "elements": [
      "帶深色勾縫的米色或淺灰色石階",
      "低矮的石制擋牆",
      "背景緊鄰的深綠色茂密灌木與樹籬",
      "純淨深邃的暗夜背景"
    ]
  },
  "camera": {
    "shot_type": "中景，微俯角",
    "perspective": "近距離俯視被攝者",
    "focal_length": "等效35mm至50mm",
    "depth_of_field": "面部與背部清晰對焦，背景綠植輕微虛化"
  },
  "lighting": {
    "type": "機頂機位直打閃光燈（硬光閃光攝影）",
    "characteristics": [
      "高對比度",
      "身後牆面上投下邊緣清晰的硬陰影",
      "肩膀、顴骨、鼻尖及前額的高亮鏡面反射",
      "強閃光映襯下的真實肌膚水潤光澤",
      "閃光燈光衰導致的邊緣輕微暗角"
    ]
  },
  "mood_and_expression": {
    "mood": "迷人、神秘、自信的都市夜生活美學",
    "expression": "冷豔性感，微啟的豐潤雙唇，銳利專注的凝視",
    "eye_contact": "直接、穿透力強的眼神鎖定"
  },
  "style_and_realism": {
    "style": "硬閃抓拍風格，狗仔夜拍美學，真實隨性紀實感",
    "fidelity": "超真實攝影質感，未經磨皮的自然紋理，細膩的高ISO膠片噪點"
  },
  "colors_and_tone": {
    "palette": [
      "純黑色調（裙裝與暗部陰影）",
      "溫暖小麥色皮膚色調",
      "米色與淺灰石材暖調",
      "深森林綠（背景植物）"
    ],
    "tonality": "溫暖膚色與冷峻深黑陰影形成鮮明對比"
  }
}
```