超逼真健身房锻炼提示（JSON 结构）

```json
{
  "scene": {
    "location": "现代健身房内部",
    "environment": {
      "equipment": ["深蹲架", "带杠铃片的杠铃", "背景中的哑铃"],
      "floor": "橡胶健身房地板",
      "background": "模糊的哑铃架、镜子、LED 吸顶灯",
      "atmosphere": "干净、高端的健身工作室"
    }
  },

  "subject": {
    "identity_continuity": true,
    "gender": "女性",
    "age_range": "20-30 岁",
    "body_type": "运动型、健美、肌肉线条分明",
    "chest_measurement": "90 厘米",
    "pose": "{argument name=\"pose\" default=\"杠铃深蹲，动作中段，膝盖弯曲，杠铃置于肩部\"}",
    "facial_expression": "痛苦的挣扎，眼睛紧闭，牙齿紧咬",
    "hair": {
      "color": "铂金色",
      "style": "凌乱的高马尾，有散落的发丝"
    },
    "skin": {
      "texture": "可见自然毛孔",
      "sweat": "额头、胸部、肩部有汗珠",
      "specular_highlight_map": "因出汗而产生的细微皮肤光泽"
    }
  },

  "clothing": {
    "top": {
      "type": "运动内衣",
      "cut": "深 V 领口",
      "color": "{argument name=\"top color\" default=\"深绿色\"}",
      "fabric": "弹力运动面料，因汗水略带光泽"
    },
    "bottom": {
      "type": "迷你健身短裤 / 紧身打底裤款式",
      "color": "深绿色",
      "fit": "高腰、紧身剪裁，凸显臀部和腿部线条"
    },
    "footwear": {
      "type": "训练运动鞋",
      "color": "黑色配白色鞋底"
    }
  },

  "physics_simulation": {
    "breast_physics": {
      "gravity": true,
      "inertia": true,
      "compression": true,
      "micro_movement": "深蹲时自然的细微形变"
    },
    "muscle_simulation": {
      "muscle_contraction": true,
      "vein_detail": "手臂和肩部可见血管",
      "tension_map": "股四头肌、臀大肌、三角肌、斜方肌受力状态"
    }
  },

  "camera": {
    "device": "iPhone 15 Pro Max",
    "lens": "主广角镜头",
    "focal_length_equivalent": "24mm",
    "aperture": "f/1.8",
    "angle": "略低角度，与视线齐平的构图",
    "framing": "中景全身，主体居中"
  },

  "lighting": {
    "type": "健身房 LED 顶灯",
    "style": "自然不完美的室内照明",
    "shadows": "下巴和肌肉下方柔和的方向性阴影",
    "highlights": "汗湿皮肤上的高光"
  },

  "image_style": {
    "aesthetic": "抓拍的 iPhone 高端生活方式快照",
    "processing": "极少后期处理，真实的色调映射",
    "grain": "细微的颗粒感以增加真实性",
    "focus": "背景略微模糊，主体清晰",
    "color_grading": "冷中性色调，高对比度健身风格"
  },

  "composition": {
    "rule_of_thirds": true,
    "depth_of_field": "浅景深",
    "motion_feel": "捕捉到动作中段，充满动态能量"
  },

  "negative_prompt": [
    "过度平滑的皮肤",
    "塑料感皮肤",
    "AI 伪影",
    "多余的肢体",
    "扭曲的面部",
    "
  ]
}
```