Hyperreal winter park walk portrait

Subject: {argument name="subject_identity_en" default="same man as reference"}
Focus: 100% on subject (sharp), background = 0% focus (heavy Gaussian blur).
Environment:
  - Location: {argument name="location_en" default="city park"}
  - Time: {argument name="time_of_day_en" default="early cold winter morning"}
  - Elements: misty air, frosty grass, long soft shadows, pale sunlight.
Appearance:
  - Outfit: insulated winter jacket, layered innerwear, scarf wrapped neatly, warm trousers, subtle accessories.
  - Vibe: calm, composed, natural morning-walk posture.
Camera:
  - Depth of field: very shallow.
  - Lens: 85mm cinematic portrait lens.
  - Color tone: cold blue-white, high dynamic range.
  - Framing: center-weighted, portrait orientation.
Output:
  - Hyperrealistic.
  - Ultra HD.
  - Detailed texture on clothes and skin.
  - Blurred park-goers in background.