健身房镜面自拍，搭配蛇纹紧身裤美学

```json
{
  "subject": {
    "appearance": {
      "gender": "女性",
      "age_range": "青年（约 20 多岁）",
      "hair": {
        "color": "金色，发根略深",
        "style": "长直发，分层，垂过肩膀",
        "bangs": "稀疏的法式刘海，修饰脸型"
      },
      "skin_tone": "浅/白皙",
      "facial_features": {
        "eyes": "浅蓝色或绿色",
        "expression": "中性，柔和，目光略微偏离镜头向左看",
        "makeup": "自然/淡妆，淡雅腮红，眉毛整齐",
        "physique": "健美，紧致，健康，曲线优美"
      }
    },
    "pose": {
      "type": "镜面自拍",
      "body_orientation": "身体向左侧转四分之三",
      "posture": "站立，重心偏向一侧臀部（翘臀），形成 S 形曲线",
      "hands": {
        "right_hand": "举着智能手机拍摄反射影像",
        "left_hand": "轻轻放在腹部/腰部附近"
      }
    },
    "clothing": {
      "top": {
        "type": "运动内衣",
        "color": "{argument name=\"bra color\" default=\"浅麻灰色/米白色\"}",
        "details": "细肩带，深 V 领，罗纹质地"
      },
      "bottom": {
        "type": "高腰紧身裤",
        "color": "浅灰色/蓝色和白色",
        "pattern": "{argument name=\"leggings pattern\" default=\"蛇皮或动物纹\"}",
        "fit": "紧身，压缩贴合"
      },
      "accessories": {
        "jewelry": [
          "细银色或金色项链",
          "手指上戴多个银戒指",
          "左手腕上戴黑色和绿色细腕带/发圈",
          "左前臂有小纹身"
        ],
        "nails": "深红色/酒红色指甲油，中等长度"
      }
    }
  },
  "environment": {
    "setting": "健身房更衣室或换衣区",
    "background_elements": {
      "left": "金属衣帽架，挂着一件黑色羽绒服和一个黑/绿色健身包（“FITNESS”字样倒置可见）",
      "floor": "深色长凳，浅米色瓷砖地板",
      "walls": "白色纹理石膏墙",
      "right": "墙角，隐约可见门道或走廊"
    }
  },
  "lighting": {
    "type": "柔和的室内环境光",
    "direction": "正面/顶部",
    "quality": "漫射光，在皮肤和头发上形成柔和的高光，几乎没有生硬的阴影"
  },
  "tech_specs": {
    "camera_angle": "视线水平（通过镜子）",
    "framing": "中景（大腿以上）",
    "device_visible": "带有白色手机壳和 MagSafe 环的 iPhone，灰色挂绳垂下",
    "style": "写实，高分辨率社交媒体美学，抓拍生活照"
  }
}
```