健身房雙人鏡面自拍（社群媒體美學）

```json
{
  "image_generation_task": {
    "title": "雙人健身房鏡面自拍",
    "version": "2.0",
    "target_style": "寫實社群媒體美學"
  },
  "prompt_components": {
    "composition": {
      "type": "鏡面自拍",
      "perspective": "背影透過鏡子反射",
      "framing": "雙人照，並肩站立",
      "angle": "略廣角，手機置於胸部高度"
    },
    "subjects": [
      {
        "id": "subject_left",
        "demographics": {
          "age": "20 歲出頭",
          "build": "健美、曲線玲瓏、運動型、臀部緊實"
        },
        "appearance": {
          "hair_style": "高馬尾，髮絲微散",
          "hair_color": "淺棕色 / 金色",
          "skin_tone": "曬黑的白皙膚色，健康光澤"
        },
        "apparel": {
          "top": "{argument name=\"top color\" default=\"Bright pink\"} 長袖短版上衣，帶有拇指孔，微光澤",
          "bottom": "高腰無縫短版皺褶臀部粉色緊身褲",
          "accessories": ["白色運動襪"],
          "branding": "腰帶上有 DFYNE 標誌"
        },
        "pose": {
          "stance": "放鬆的運動姿態，手插腰",
          "expression": "反射中可見的淺淺微笑",
          "body_language": "弓背以強調曲線"
        }
      },
      {
        "id": "subject_right",
        "demographics": {
          "age": "20 歲出頭",
          "build": "健美、曲線玲瓏、運動型"
        },
        "appearance": {
          "hair_style": "鬆散的馬尾或辮子，自然蓬鬆",
          "hair_color": "深棕色",
          "skin_tone": "曬黑的白皙膚色"
        },
        "apparel": {
          "top": "淺黃色掛脖式運動內衣，細肩帶",
          "bottom": "高腰無縫短版皺褶臀部 {argument name=\"bottom color\" default=\"pink\"} 緊身褲",
          "accessories": ["白色運動襪"],
          "branding": "未指定"
        },
        "pose": {
          "stance": "俏皮自信，手插腰",
          "expression": "反射中微妙的俏皮表情",
          "body_language": "自信的姿態"
        }
      }
    ],
    "environment": {
      "location": "現代健身工作室",
      "foreground": "深色橡膠健身房地板，帶有微妙紋理",
      "midground": "大型落地鏡",
      "background": {
        "elements": ["心肺訓練機", "重量訓練器材", "裸露的天花板管道"],
        "visibility": "模糊 (散景效果)"
      }
    },
    "lighting": {
      "style": "電影感 / 氛圍感",
      "ambient_color": "深藍色和紫色冷色調",
      "accents": "霓虹燈條照明，頭頂聚光燈",
      "interaction": "頭髮上的微妙邊緣光，氨綸面料和皮膚上的鏡面高光"
    },
    "technical_specs": {
      "resolution": "8k",
      "medium": "數碼攝影",
      "lens_characteristics": ["略廣角", "主體清晰對焦", "柔和的背景模糊"],
      "textures": "```"
    }
  }
}
```