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[Subject] Single stylized young woman, early-20s appearance, feminine presentation, standing fashion pose, relaxed direct gaze with slightly half-lidded violet-pink eyes, soft glossy nude lips, pale warm skin, faint blush, long straight glossy black hair falling past the chest and waist, blunt bangs across the forehead, slim-curvy figure, black manicure, no glasses.

[Clothing & materials] Dark brown oversized cable-knit sweater dress with heavy ribbed turtleneck collar, chest cutout / open shoulder line under the turtleneck section, fitted torso with dense vertical cable-knit patterns, long loose sleeves with ribbed cuffs, short hemline, soft thick wool texture. Black over-the-knee or thigh-high stockings with smooth matte sheen. Small spiral or circular earring visible. No logos.

[Environment] Plain white seamless studio background, no props, no furniture, no scenery, no floor line, no environmental detail.

[Composition/Camera] Vertical portrait from head to mid-thigh, eye-level camera, centered subject, body slightly angled, one hand pulling lightly at the sweater hem, the other relaxed lower in frame, clean editorial fashion composition with minimal negative space.

[Lighting] Soft high-key beauty lighting, very even illumination, gentle shadows only under chin and hair, clear visibility of knit texture, neutral white light, no colored cast, no dramatic rim or backlight.

[Color palette] White background, dark espresso-brown knit, black hair, black stockings, pale skin, subtle pink-violet eye makeup. Clean restrained palette with cozy-dark contrast.

[Style/Rendering] Polished anime fashion illustration, crisp linework, smooth cel shading with controlled texture detail in the knit, elegant beauty rendering, not photoreal, not painterly, not 3D. Modern cozy-glam character art.

[Detail constraints] Keep one subject only, plain white background only, long straight black hair with bangs, thick cable-knit turtleneck sweater dress, visible chest cutout design, and black thigh-high stockings. Do not add room decor, winter scenery, scarves, coats, extra accessories, or additional characters. Preserve the clean lookbook feel.

Negative prompt: extra people, bedroom background, snow scene, boots, jacket, scarf, extra jewelry, messy curls, bright colors, photoreal pores, text, watermark, outdoor environment, props, couch, fireplace.

Suggested parameters: aspect ratio 4:5, lens 70-85mm portrait feel, shallow but crisp fashion detail, 28-36 steps, CFG 6.5-7.5, sampler DPM++ 2M Karras, style strength medium, seed 518706244.

Delta prompt strategy:
1. If the knit texture weakens: append "dense cable-knit sweater texture with clear braided vertical patterns".
2. If the background changes: append "plain white seamless studio background, no room details".
3. If the outfit shape changes: append "short fitted turtleneck sweater dress with chest cutout".
4. If the stockings disappear: append "black thigh-high stockings visible above the knees".
5. If the hair changes: append "long straight glossy black hair with blunt bangs".
6. If lighting gets dramatic: append "soft high-key beauty lighting, very even illumination".
7. If winter props appear: append "minimal portrait only, no scarf, no coat, no snowy scene".
8. If the pose changes too much: append "one hand lightly lifting the hem, calm standing fashion pose".
9. If the style turns photoreal: append "clean anime fashion illustration, smooth cel shading".
10. If colors drift warm or saturated: append "restrained palette of white, espresso brown, black, and pale skin".