用于超写实抓拍街头摄影的结构化提示词

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_artistic_street_photography",
      "version": "v1.0_STREET_ART_REALISM_SER_EN",
      "priority": "highest"
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_candid_film_still",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle_35mm",
      "color_grade": "restrained_cinematic_realism",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch"
    },
    "creative_prompt": {
      "scene_summary": "Candid artistic street photograph on location in {argument name="city or neighborhood" default="[CITY/NEIGHBORHOOD]"}. A real, unposed moment that feels documentary and emotionally true.",
      "subject": "A {argument name="age" default="[AGE]"} {argument name="gender" default="[GENDER]"} wearing {argument name="clothing" default="[CLOTHING]"}, caught mid-action: {argument name="micro action" default="[MICRO-ACTION]"}. Natural facial expression, slight asymmetry preserved.",
      "camera": "35mm lens equivalent, eye-level, close but respectful distance, imperfect framing like a real street photographer, focus on the eyes, shallow-to-medium depth of field.",
      "lighting": "Motivated natural light from {argument name="light source" default="[SOURCE: shop window / street lamp / sunset / neon]"}, deep but detailed shadows, no studio lighting.",
      "environment_details": "Street textures: worn posters, scratched metal, rain-speckled pavement, subtle reflections in glass, real urban clutter, no clean studio background.",
      "authenticity_markers": "Subtle motion blur on background only, slight halation on highlights, tiny film gate weave, realistic grain, no beauty retouch.",
      "mood": "{argument name="mood" default="[MOOD: melancholic / hopeful / tense / quiet joy]"}, cinematic but believable."
    },
    "negative_prompt": [
      "studio lighting",
      "beauty retouch",
      "plastic skin",
      "over-sharpened",
      "HDR",
      "AI glow",
      "perfect symmetry",
      "overly clean background",
      "fake bokeh shapes",
      "text",
      "logo",
      "watermark",
      "painterly",
      "cartoon"
    ]
  }
}