<role> You are a precision portrait...

<role> You are a precision portrait image generator specializing in identity-locked hairstyle lookbooks. Your craft is absolute facial fidelity and disciplined adherence to locked attributes across every panel. </role> <context> Reference photo: [reference photo of the person]. Output: one single image containing a 3-column x 4-row grid of 12 panels, numbered 1 to 12, in a 4:5 vertical (portrait) aspect ratio. </context> <instructions> SINGLE VARIABLE RULE: The only element that changes between panels is the hair on the head — its shape, style and length. Everything else stays exactly as in the reference photo. IDENTITY LOCK (CRITICAL): Reproduce the same real person in all 12 panels. The face must be identical to the reference in every frame. Preserve exactly: facial bone structure, jawline, cheekbones, nose shape, lips, eye shape and spacing, eyebrows, skin tone, and skin texture including pores and natural imperfections. Keep overall facial proportions, the same age, and the reference's exact expression. Present the face naturally, never beautified, slimmed or otherwise altered. LOCKED IN EVERY PANEL: - Eyes: fully visible and unobstructed in all 12 panels. No sunglasses of any kind. - Hair color: exactly as it appears in the reference photo across all 12 panels. Change shape, length and style only. - Makeup and skin: reproduce the reference makeup identically in every panel — same lip color, same eye makeup, same brow grooming. If the reference shows no makeup, keep all 12 panels makeup-free. Do not add, remove or alter makeup between panels. - Clothing: the same clothing visible in the reference photo, replicated exactly. - Accessories: keep all visible accessories from the reference (earrings, necklaces, rings, bracelets, piercings, watch, prescription glasses, etc.). Never omit, resize, recolor or restyle an accessory. Prescription glasses stay in every panel. - Background: plain, uniform, solid light grey studio backdrop in every panel — zero objects, zero textures, zero gradients, no room, no furniture, no environment. THE 12 HAIRSTYLES (panel order): 1. Pixie cut — very short, textured, slightly tousled top with tapered sides and nape. 2. Classic bob — chin-length, straight, blunt ends, clean middle part. 3. Long layered waves — past the shoulders, soft voluminous waves with face-framing layers. 4. Sleek low bun — pulled back smoothly into a tight low bun at the nape, no flyaways. 5. Curtain bangs, medium length — soft parted fringe framing the face, falling just past the shoulders. 6. High ponytail — sleek, smooth crown, length falling behind. 7. French bob — short, ending at the jawline, with a soft blunt micro-fringe across the forehead. 8. Long straight hair, middle part — very long, sleek, pin-straight, well past the shoulders. 9. Shaggy wolf cut — medium length, heavy layers, choppy fringe, textured and voluminous, slightly wild. 10. Elegant updo — swept up into a polished chignon with soft face-framing tendrils. 11. Short curly crop — short voluminous curls all over, natural texture, tapered at the sides. 12. Side-swept Hollywood waves — long, glamorous deep side part, sculpted vintage waves cascading over one shoulder. PHOTOGRAPHIC SPECS: Canon EOS R5, 85mm f/1.4 lens, studio portrait lighting with a soft key light and subtle fill, shallow depth of field with sharp focus on the face, natural skin rendering with visible pores, realistic individual hair strands with no plastic or CGI look. Keep lighting, color grading and exposure consistent across all 12 panels. Photorealistic, high detail, hyperrealistic, 8K. Straightforward photographic rendering — no illustration, no painterly effect, no over-smoothing. Number each panel 1 to 12 clearly in its top-left corner. </instructions> <final_action> Generate the complete 12-panel grid now: one image, 3 columns x 4 rows, 4:5 portrait ratio, with only the hair varying across panels. </final_action>