时尚大片人像摄影：阴天光线运用

{
  "engine_optimization": "Nano Banana Pro",
  "directive": "High-Fashion Editorial",
  "subject_profile": {
    "identity_anchors": {
      "description": "Maintain the specific facial geometry, hair, and eye shape of the reference subject. High-fidelity facial reconstruction.",
    },
    "pose_coordinates": {
      "frame": "Waist-up vertical portrait.",
      "posture": "Leaning back against the masonry; left hand cupping the jawline with fingers near the temple; right hand resting at the collarbone.",
      "alignment": "Direct eye contact with camera; 15-degree head tilt to the left."
    }
  },
  "wardrobe_manifest": {
    "outerwear": {
      "style": "Heavy-gauge rib-knit cardigan, {argument name="cardigan color" default="heather grey"}.",
      "drape": "Slouchy, open-front silhouette, oversized sleeves."
    },
    "underlayer": {
      "style": "Coordinating grey knit crop-top.",
      "neckline": "Dramatic V-shaped neckline, architectural fit."
    },
    "styling": "Exposed waistline; high-waisted denim visible at the bottom edge."
  },
  "environment_logic": {
    "surface": "Vertical {argument name="wall material" default="red brick"} wall, running bond pattern, matte weathered finish.",
    "depth": "Strong separation; blurred urban elements and vertical pole in the far background."
  },
  "technical_rendering": {
    "lighting": "Natural overcast daylight; soft-wrap illumination; neutral color temperature.",
    "lens": "35mm f/1.4 aesthetic; sharp focus on the iris and fabric fibers; high-contrast textures."
  }
}