健身房镜子自拍

场景构图：{
  "meta": {
    "camera": "iPhone 17 Pro",
    "lens": "24mm wide",
    "aspect_ratio": "9:16",
    "time_of_day": "8:12 PM",
    "lighting_temperature": "cool 4800K indoor LEDs",
    "style": "real iphone gym mirror shot, natural skin texture, subtle grain, mobile HDR"
  },

  "scene": {
    "location": "modern gym locker room mirror",
    "environment_details": [
      "哑光黑色储物柜",
      "柔和的顶部LED面板灯",
      "镜子边缘略微起雾",
      "中性水泥地板"
    ],
    "atmosphere": "运动后的热度，自信，私密"
  },

  "subject": {
    "age": "明显是成年人（20多岁末）",
    "ethnicity": "亚洲人（韩国/日本混血）",
    "body_type": "纤细丰满，腰肢紧致，臀部圆润，大腿紧实",
    "pose": {
      "position": "镜子自拍，臀部略微翘起",
      "one_hand": "低位握持手机",
      "other_hand": "整理高马尾",
      "expression": "自信挑逗的坏笑，直视镜头"
    },
    "hair": {
      "color": "乌黑",
      "style": "高马尾，有几缕散落的发丝"
    },
    "outfit": {
      "top": "超紧身炭灰色运动内衣，可见拉伸张力",
      "bottom": "高腰无缝健身短裤，塑形剪裁"
    },
    "skin_details": "锁骨处有细微汗珠光泽，逼真的毛孔"
  },

  "lighting": {
    "main": "顶部LED健身房照明",
    "effect": "腹肌和大腿下方有清晰阴影，肩膀有微妙高光"
  },

  "camera_details": {
    "depth_of_field": "iPhone广角镜头典型的深景深",
    "imperfections": "轻微倾斜，镜子上的污迹真实感"
  }
}。提示：加一个微小的尺寸参照物（硬币、笔），便于直观感受主体大小。