Nano Banana 2 提示词 - 图书馆中伸手触碰黑洞

{ "subject": { "description": "A single human hand extending upwards from the bottom frame, reaching toward a cosmic anomaly.", "mirror_rules": null, "age": "unknown", "expression": { "eyes": null, "mouth": null, "overall": "N/A" }, "face": { "preserve_original": false, "makeup": null }, "hair": { "color": null, "style": null, "effect": null }, "body": { "frame": "slender arm", "waist": null, "chest": null, "legs": null, "skin": { "visible_areas": "hand, fingers", "tone": "shadowed, warmed by backlight", "texture": "smooth, silhouetted", "lighting_effect": "strong physical rim light striking the top edges of the index finger and thumb, casting the palm into deep shadow" } }, "pose": { "position": "bottom center-left, reaching up", "base": "off-screen", "overall": "arm raised, index finger extended as if about to touch the light, thumb slightly relaxed outward, dynamic anticipation" }, "clothing": { "top": { "type": "long sleeve sweater", "color": "black", "details": "ribbed cuff visible at wrist", "effect": "merges entirely into the bottom shadows" }, "bottom": { "type": null, "color": null, "details": null } } }, "accessories": { "headwear": null, "jewelry": null, "device": null, "prop": "a glowing miniature black hole or accretion disk floating in mid-air, featuring a bright circular ring and a striking horizontal line of light" }, "photography": { "camera_style": "cinematic sci-fi composite, low-light photography", "angle": "straight on, slightly upward trajectory following the arm", "shot_type": "close-up detail shot", "aspect_ratio": "4:5", "texture": "heavy film grain, analog noise, floating out-of-focus dust motes or glowing embers in foreground", "lighting": "intense single-point backlight emanating from the floating anomaly, plunging the foreground into moody darkness", "depth_of_field": "very shallow, subject hand is in focus, background heavily blurred" }, "background": { "setting": "dimly lit library or study", "wall_color": "dark brown/black tones", "elements": [ "vertical spines of books", "wooden shelves", "swirling spatial distortion/gravitational lensing around the glowing anomaly" ], "atmosphere": "mysterious, cosmic, magical realism", "lighting": "ambient darkness, reliant on the central glowing prop" }, "the_vibe": { "energy": "about to touch the infinite", "mood": "awe, quiet tension, interstellar wonder", "aesthetic": "dark academia meets hard sci-fi", "authenticity": "imperfect focus, heavy grain, and atmospheric noise ground the magical element in reality", "intimacy": "solitary discovery", "story": "a portal or cosmic singularity opened in a quiet room", "caption_energy": "Reaching beyond." }, "constraints": { "must_keep": [ "glowing black hole symbol with horizontal line", "rim lighting on hand", "swirling visual distortion in the background directly behind the light", "blurred bookshelves", "floating dust particles" ], "avoid": [ "faces", "bright room lighting", "sharp background focus", "clean digital look without grain" ] }, "negative_prompt": [ "face, full body, bright daylight, sharp background, clean aesthetic, digital smoothness, cluttered foreground" ] }