健身房镜面自拍肖像提示

```json
{
  "lighting": {
    "mood": "平静、温暖、有氛围感",
    "type": "室内人工照明，漫射光",
    "source": "头顶健身房灯光，镜面反射光",
    "shadows": "地板和器械下方有柔和的漫射阴影",
    "direction": "头顶方向，多向",
    "intensity": "柔和、温暖、略微昏暗"
  },
  "background": {
    "details": "现代健身器材，干净，宽敞",
    "elements": [
      "大镜子反射出跑步机和固定自行车",
      "跑步机",
      "固定自行车",
      "力量训练器械",
      "铺有地毯的地板",
      "地板上的毛巾",
      "地板上的水瓶",
      "背景反射中的窗户",
      "头顶照明设备"
    ],
    "location": "健身房内部",
    "perspective": "通过镜子反射的视角，显示出景深"
  },
  "typography": {
    "alignment": "居中",
    "font_size": "中等",
    "font_style": "斜体",
    "text_color": "#FFFFFF",
    "font_family": "无衬线体",
    "font_weight": "常规",
    "line_height": "正常",
    "letter_spacing": "正常"
  },
  "composition": {
    "angle": "低角度，坐在地板上",
    "framing": "主体位于画面中右侧，背景反射可见于左侧",
    "shot_type": "镜面自拍",
    "focal_point": "前景中的女性",
    "depth_of_field": "适中，背景略微模糊但细节可见"
  },
  "color_profile": {
    "contrast": "适中",
    "saturation": "低",
    "accent_colors": [
      "#B5B8A7",
      "#F4F4F4"
    ],
    "dominant_colors": [
      "#4A3B34",
      "#8C9389",
      "#A5A5A5",
      "#D9D9D9"
    ],
    "palette_description": "柔和的大地色系，暖棕色、灰色、米色、浅绿色"
  },
  "technical_specs": {
    "grain": "存在轻微颗粒感",
    "device": "智能手机摄像头（可能是 iPhone）",
    "lens_type": "广角",
    "sharpness": "适中，由于弱光和镜面反射导致部分柔化",
    "resolution": "标准智能手机照片分辨率",
    "aspect_ratio": "4:5（肖像）"
  },
  "subject_analysis": {
    "person": {
      "hair": {
        "color": "浅棕色/金色",
        "style": "高马尾，用浅色发圈扎着",
        "texture": "直发/波浪发"
      },
      "pose": "坐在地板上，左腿弯曲，右腿伸直，躯干略微扭转，右手拿着手机进行镜面自拍，左手放在身后地板上",
      "attire": {
        "top": "棕色挂脖运动文胸",
        "shoes": "浅灰色和白色厚底运动鞋，带黄色点缀",
        "socks": "白色罗纹中筒袜",
        "bottoms": "棕色高腰运动短裤",
        "accessories": "浅绿色头戴式耳机（Apple AirPods Max）"
      },
      "gender": "女性",
      "expression": "微笑，看着手机屏幕",
      "fitness_level": "健康，身材匀称"
    }
  },
  "artistic_elements": {
    "mood": "励志的"
  }
}
```