超逼真健身房锻炼提示（JSON 结构）

{
  "scene": {
    "location": "modern gym interior",
    "environment": {
      "equipment": ["squat rack", "barbell with weight plates", "dumbbells background"],
      "floor": "rubber gym flooring",
      "background": "blurred dumbbell racks, mirrors, LED ceiling lights",
      "atmosphere": "clean, premium fitness studio"
    }
  },

  "subject": {
    "identity_continuity": true,
    "gender": "female",
    "age_range": "20-30",
    "body_type": "athletic, fit, defined muscles",
    "chest_measurement": "90 cm",
    "pose": "{argument name="pose" default="barbell squat, mid-rep, knees bent, barbell on shoulders"}",
    "facial_expression": "painful strain, eyes squeezed, teeth clenched",
    "hair": {
      "color": "platinum blonde",
      "style": "messy high ponytail with loose strands"
    },
    "skin": {
      "texture": "natural pores visible",
      "sweat": "sweat droplets on forehead, chest, shoulders",
      "specular_highlight_map": "subtle skin shine from perspiration"
    }
  },

  "clothing": {
    "top": {
      "type": "sports bra",
      "cut": "deep cleavage neckline",
      "color": "{argument name="top color" default="dark green"}",
      "fabric": "stretch athletic fabric, slightly glossy from sweat"
    },
    "bottom": {
      "type": "mini gym shorts / tight leggings style",
      "color": "dark green",
      "fit": "high-waist, compression fit, accentuating hips and legs"
    },
    "footwear": {
      "type": "training sneakers",
      "color": "black with white sole"
    }
  },

  "physics_simulation": {
    "breast_physics": {
      "gravity": true,
      "inertia": true,
      "compression": true,
      "micro_movement": "subtle natural deformation during squat"
    },
    "muscle_simulation": {
      "muscle_contraction": true,
      "vein_detail": "visible veins on arms and shoulders",
      "tension_map": "quadriceps, glutes, deltoids, traps under load"
    }
  },

  "camera": {
    "device": "iPhone 15 Pro Max",
    "lens": "main wide lens",
    "focal_length_equivalent": "24mm",
    "aperture": "f/1.8",
    "angle": "slightly low angle, eye-level framing",
    "framing": "medium full body, centered subject"
  },

  "lighting": {
    "type": "gym LED overhead lighting",
    "style": "natural imperfect indoor lighting",
    "shadows": "soft directional shadows under chin and muscles",
    "highlights": "specular highlights on sweaty skin"
  },

  "image_style": {
    "aesthetic": "candid iPhone premium lifestyle snapshot",
    "processing": "minimal post-processing, realistic tone mapping",
    "grain": "subtle fine grain for realism",
    "focus": "slight background blur, subject sharp",
    "color_grading": "cool neutral tones, high contrast fitness look"
  },

  "composition": {
    "rule_of_thirds": true,
    "depth_of_field": "shallow",
    "motion_feel": "captured mid-action, dynamic energy"
  },

  "negative_prompt": [
    "over-smoothed skin",
    "plastic skin",
    "AI artifacts",
    "extra limbs",
    "distorted face",
    "
  ]
}