健身镜像（UGC真实感）

{
  "category": "GYM_MIRROR_UGC",
  "subject": {
    "demographics": "成年女性，21-27岁，土耳其裔，体格健壮。",
    "hair": {
      "color": "深棕色",
      "style": "高马尾，略显凌乱",
      "texture": "发丝可见，沾有汗水的碎发",
      "movement": "几缕头发贴在前额附近"
    },
    "face": {
      "eyes": "明亮，充满活力",
      "skin_details": "真实的毛孔，细微的汗珠光泽",
      "makeup": "极简，自然"
    },
    "clothing": {
      "outfit": "极简运动服套装（无标志/文字）",
      "fit": "真实的运动版型，面料有细微的张力",
      "texture": "面料编织可见"
    },
    "accessories": {
      "jewelry": ["小银圈耳环（可选）"]
    }
  },
  "pose": {
    "type": "健身房镜子自拍风格（不直接显示手机）",
    "orientation": "半身",
    "hands": "一只手臂放松，另一只手臂轻微弯曲（自然，不夸张）",
    "gaze": "与镜中眼神接触",
    "expression": "微小的自豪笑容"
  },
  "setting": {
    "environment": "健身房更衣区",
    "background_elements": [
      "有真实污迹的镜子",
      "柔和的荧光顶灯",
      "设备模糊"
    ],
    "depth": "脸部+躯干清晰；背景柔化"
  },
  "camera": {
    "shot_type": "半身镜面肖像",
    "angle": "略高的角度，典型的休闲自拍",
    "focal_length_equivalent": "24-28mm 手机广角",
    "framing": "4:5",
    "focus": "脸部清晰，背景略柔和"
  },
  "lighting": {
    "source": "荧光顶灯健身房照明",
    "direction": "自上而下，镜子提供轻微补光",
    "highlights": "真实的汗珠光泽高光",
    "shadows": "下巴下方柔和"
  },
  "mood_and_expression": {
    "tone": "有动力，有共鸣，坦诚",
    "expression": "自豪而友好"
  },
  "style_and_realism": {
    "style": "照片级真实 UGC",
    "imperfections": "轻微噪点，不完美的白平衡"
  },
  "technical_details": {
    "aspect_ratio": "4:5",
    "noise": "轻微",
    "motion_blur": "极小"
  },
  "constraints": {
    "adult_only": true,
    "no_text": true,
    "no_logos": true,
    "no_watermarks": true
  },
  "negative_prompt": [
    "品牌标志", "可读文本",
    "多余的手指", "扭曲的镜子",
    "塑料皮肤", "CGI 效果"
  ]
}