年輕女子在健身房鏡子前的隨性自拍

```json
{
  "image_prompt": {
    "subject": {
      "type": "年輕女性",
      "appearance": {
        "skin": "白皙，因汗水/濕氣而發亮",
        "physique": "運動型，結實，腹部線條明顯（腹肌）",
        "hair": {
          "color": "深棕色或黑色",
          "style": "凌亂的盤髮/髮髻，臉龐有幾縷髮絲散落",
          "texture": "略濕/有汗水"
        },
        "expression": "專注地向下凝視，檢查進度，表情嚴肅，嘴巴微開"
      },
      "clothing": {
        "top": "白色羅紋細肩帶背心/吊帶背心",
        "bottom": "米色/棕褐色寬鬆運動褲，附抽繩腰帶",
        "accessories": "簡約，精緻的項鍊"
      },
      "pose": {
        "action": "站立面對鏡子，右手提起白色背心下擺，露出腹部",
        "orientation": "正面反射",
        "head_position": "頭部向下傾斜，看向軀幹"
      }
    },
    "environment": {
      "location": "商業健身房內部",
      "lighting": {
        "type": "暖色調的工業吊燈",
        "quality": "人造光，在濕潤的皮膚上產生高光反射",
        "ambience": "夜晚（背景可見黑暗的窗戶）"
      },
      "background_details": [
        "反射房間的健身房鏡子",
        "銀色/灰色重訓器材和纜繩訓練機",
        "背景中的其他健身者（略微模糊，穿著各種運動服裝）",
        "天花板外露的管道"
      ],
      "foreground_details": [
        "底部可見鏡框",
        "右下角有驚訝貓臉的數位疊圖/貼紙"
      ]
    },
    "technical_specs": {
      "style": "隨性鏡面自拍",
      "perspective": "平視反射",
      "focus": "主體清晰，背景景深略微模糊",
      "color_palette": "暖中性色（米色、膚色）與冷色調健身器材的灰色和深色背景形成對比"
    }
  }
}
```