超真实的冬季浪漫肖像（JSON格式）

{
  "generation_request": {
    "meta_data": {
      "task_type": "photoreal_winter_romance_forest_couple",
      "version": "v1.0_SNOWY_FOREST_COUPLE_EMBRACE_NO_TEXT_EN",
      "priority": "highest",
      "language": "en"
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_cinematic_lifestyle",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle",
      "color_grade": "soft_neutral_winter",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch",
      "no_text": true,
      "no_logos": true,
      "no_watermarks": true,
      "no_ui": true
    },
    "creative_prompt": {
      "scene_summary": "Ultra-photorealistic winter romance portrait in a snowy forest. A couple stands close, hugging warmly and touching foreheads/noses in an intimate moment. Light snowfall is visible with layered depth: larger flakes softly blurred in the foreground and smaller flakes sharp in the mid/background. Snow rests naturally on tree branches and lightly on clothing. Cozy, soft, cinematic mood. No text.",
      "environment": {
        "location_feel": "dense winter forest with tall trunks and snow-covered evergreens",
        "ground": "fresh snow with subtle footprints and natural texture",
        "weather": "light active snowfall",
        "lighting": "overcast winter daylight, diffused and soft, natural shadows"
      },
      "subjects": {
        "couple": {
          "female_adult": {
            "wardrobe": "white fluffy faux-fur coat, warm earmuffs/headband, winter pants, winter boots",
            "pose": "standing close in the man's arms, one arm around his back/waist, face tilted up toward him",
            "expression": "soft smile, eyes gently closed or half-closed"
          },
          "male_adult": {
            "wardrobe": "cream/beige sherpa hoodie or fleece jacket, winter pants",
            "pose": "arms around the woman, head tilted down, forehead/nose touching hers",
            "expression": "tender, calm"
          }
        }
      },
      "camera_and_composition": {
        "shot_type": "lifestyle portrait, eye-level, intimate medium shot",
        "lens_look": "50mm equivalent, shallow depth of field, gentle background separation",
        "framing": "couple centered, forest creates natural vertical lines, minimal distractions",
        "focus": "faces and hands sharp, background softly blurred"
      },
      "physical_realism": {
        "snow_interaction": "realistic snow accumulation on branches; subtle snow specks on shoulders and hair; correct contact shadows at boots and ground",
        "fabric_detail": "visible fuzzy coat fibers and sherpa texture, realistic folds and tension where arms hug"
      },
      "anatomy_constraints": {
        "priority": "maximum",
        "requirements": [
          "natural facial proportions "