Nano Banana Pro：女士在瑜伽垫上的健身自拍肖像

```json
{
  "subject": {
    "description": "一位年轻女士坐在瑜伽垫上，用毛巾擦汗，手里拿着水瓶",
    "mirror_rules": "不适用 - 直接健身房照片",
    "age": "20 多岁末",
    "expression": "成就感，略微气喘吁吁，自信的微笑",
    "hair": {
      "color": "金色带挑染",
      "style": "高马尾，因运动略显凌乱，有几缕碎发"
    },
    "clothing": {
      "top": {
        "type": "运动文胸",
        "color": "烟粉色",
        "details": "中度支撑，露背交叉带设计，可见汗水湿润痕迹"
      },
      "bottom": {
        "type": "高腰紧身裤",
        "color": "黑色带网眼拼接",
        "details": "及踝长度，小腿处有网眼镂空，紧身压缩款"
      }
    },
    "face": {
      "preserve_original": true,
      "makeup": "淡妆，运动后泛着光泽，脸颊自然红润，无眼妆"
    }
  },
  "accessories": {
    "headwear": {
      "type": "无",
      "details": "头发用发圈扎起"
    },
    "jewelry": {
      "earrings": "小钻石耳钉",
      "necklace": "无",
      "wrist": "玫瑰金健身追踪器，手腕上戴着黑色发圈",
      "rings": "无"
    },
    "device": {
      "type": "智能手机",
      "details": "靠在哑铃上，正在录制健身自拍"
    },
    "prop": {
      "type": "保温水瓶",
      "details": "哑光黑 32 盎司水瓶，贴有励志语贴纸，可见冷凝水珠"
    }
  },
  "photography": {
    "camera_style": "健身房自拍美学，智能手机前置摄像头",
    "angle": "略高于视线水平，坐姿",
    "shot_type": "上半身和交叉的双腿，居中构图",
    "aspect_ratio": "9:16 垂直",
    "texture": "清晰细节，明亮的健身房灯光，充满活力的感觉"
  },
  "background": {
    "setting": "现代健身房工作室",
    "wall_color": "浅灰色带励志壁画",
    "elements": [
      "铺开的紫色瑜伽垫",
      "附近散落着一套哑铃",
      "肩上搭着白色毛巾",
      "背景中模糊的健身器材",
      "反射后墙的大镜子",
      "地板上卷曲的阻力带"
    ],
    "atmosphere": "充满活力，成就感，注重健康",
    "lighting": "明亮的顶部 LED 健身房照明，光线均匀"
  }
}
```