夜间运动摩托车手肖像

"subject_details": {
      "demographics": "Female motorcyclist.",
      "hair": "Dark hair styled in a single braid visible hanging down from the helmet.",
      "outfit": {
        "headwear": "White full-face motorcycle helmet with black visor and intricate graphic decals.",
        "top": "White long-sleeve cropped racing jersey/rash guard with black and red text logos.",
        "bottom": "Dark grey denim shorts with a black studded belt.",
        "footwear": "White armored motorcycle racing boots with blue accents.",
        "accessories": "Black and white racing gloves."
      }
    },
    "vehicle_details": {
      "type": "Modern Sportbike / Supersport Motorcycle (CFMOTO 450SR style).",
      "color": "Pearl white fairings with black accents and blue details.",
      "features": "Exposed engine casing, blue LED accent light/underglow near the engine, black wheels with blue rim tape."
    },
    "exact_pose_anatomical": {
      "stance": "Leaning/Sitting against the left side of the bike (not straddling).",
      "torso": "Leaning the left hip against the rider's seat/tank junction.",
      "arms": "Crossed confidently over the chest.",
      "head": "Turned 90 degrees to the subject's right (profile view), looking away from the camera towards the front of the bike.",
      "legs": "Left leg planted straight on the ground. Right leg bent at the knee, foot resting on the bike's foot peg.",
      "vibe": "Cool, mysterious, waiting."
    },
    "environment_and_background": {
      "setting": "Urban street or large plaza at night.",
      "background_architecture": "A massive modern stadium or convention center with a curved roof structure illuminated by a grid of white lights.",
      "ground": "Paved stone sidewalk or tarmac.",
      "sky": "Dark, overcast night sky (deep blue/black)."
    },
    "camera_technical_values": {
      "perspective": "Eye-level / Slightly low angle.",
      "focal_length": "28mm (Wide angle to capture the full bike and the large architectural background).",
      "aperture": "f/2.8 (Bright enough for night shooting, moderate depth of field).",
      "shutter_speed": "1/60s.",
      "iso": "ISO 1600 (Nighttime grain/noise).",
      "color_grading": "Cool tones, dominant blues, whites, and greys."
    },
    "lighting_setup": {
      "ambient": "Street lamps visible in the background providing backlighting.",
      "key_light": "Soft, cool-white artificial street light hitting the subject from the front-left.",
      "accents": "Blue glow from the motorcycle engine bay."