Nano Banana 提示词作品

{
  "prompt_specification": {
    "type": "Ultra-realistic cinematic fashion portrait",
    "subject": {
      "identity": {
        "name": "Sydney Sweeney",
        "constraint_strictness": "100%",
        "directives": [
          "Preserve exact facial identity from reference",
          "Unchanged body proportions from reference",
          "Same facial features only",
          "No face alteration",
          "No body reshaping",
          "No stylization",
          "Natural anatomy must remain accurate"
        ]
      },
      "physical_attributes": {
        "body_type": "Curvy woman with natural proportions",
        "skin": {
          "tone": "Natural, exactly matching the reference",
          "texture": "Natural skin texture with visible pores",
          "highlights": "Realistic highlights",
          "negative_constraint": "No plastic skin"
        },
        "hair": {
          "directive": "Identical to reference",
          "properties": ["color", "length", "texture", "styling"]
        },
        "expression": "Strong confident pout toward the camera"
      },
      "pose_and_action": {
        "stance": "Standing, posture balanced and anatomically correct",
        "limb_placement": {
          "arm_1": "gently on her neck",
          "arm_2": "resting on her thigh"
        },
        "camera_view": "Medium low-angle, three-quarter front view"
      }
    },
    "attire": {
      "garment": {
        "item": "One-piece swimsuit dress",
        "color": "Metallic bronze",
        "cut": ["high-cut sides", "thigh-high slit"],
        "fabric_physics": ["realistic stretch", "folds", "sheen"]
      },
      "details": {
        "chest_piece": {
          "item": "Gold brooch detail at the bust",
          "note": "color change only, no design alteration"
        },
        "jewelry": {
          "items": ["Gold bangles", "gold hoop earrings"],
          "properties": ["realistic metallic reflections", "realistic scale"]
        }
      }
    },
    "environment": {
      "setting_type": "Clean natural coastal atmosphere",
      "composition_layers": {
        "foreground": "Pebbled beach (subject standing here)",
        "mid_ground": [
          "turquoise sea behind the subject",
          "rocky coastal cliffs catching late afternoon light"
        ],
        "background/horizon": "small distant sailboat on the horizon"
      }
    },
    "photography_style": {
      "aesthetic": ["Hyper-detailed photorealism", "professional editorial finish", "high-end fashion editorial realism"],
      "quality_metric": "8K RAW quality",
      "composition_ratio": "Vertical 9:16",
      "lighting": {
        "source": "Natural daylight",
        "time": "Warm late afternoon",
        "qualities": ["cinematic lighting balance", "controlled highlights and shadows"]
      },
      "optics_and_focus": {
        "lens_emulation": "DSLR 85mm lens look",
        "focus_point": "Sharp focus on the subject",
        "depth_of_field": "Shallow with natural background separation"
      },
      "post_process": "Refined cinematic color grading"
    },
    "technical_constraints": {
      "safety": "Image-generation-model safe",
      "negative_prompts": [
        "AI artifacts",
        "plastic skin",
        "exaggerated anatomy",
        "lighting inconsistencies",
        "stylization"
      ]
    }
  }
}