Creation: Abbacchio expression set (universal head template style), aspect ratio: custom…

Creation: Abbacchio expression set (universal head template style), aspect ratio: custom (suitable for a 4x4 grid), requirements as follows: Style: Japanese cel-shaded anime style, vector illustration style, clean and continuous closed lines, high resolution, sharp and clear. High saturation, clean composition, visual consistency. Each grid contains only isolated facial features floating in the air (eyes, eyebrows, mouth, nose). Do not draw complete heads, facial contours, hands, ears, chins, etc. Detailed features: Eyeshadow: None, eyelid edges outlined with ultra-fine black lines, no extra colors, maintaining a simple and fresh eye structure. Iris/Pupils: Pure gray-blue iris, highlights in a vertically symmetrical double-layer structure: upper highlight is a large circular dewdrop, lower highlight is a small arc-shaped sparkle, no highlight in the center of the pupil, only star-shaped cross embellishments on both sides of the iris; main eye shape is large and horizontal, upper eyelid is thick, black and smooth, lower eyelid is thinner, dense black eyelashes curled upwards and downwards, outer corners slightly upturned, cold and gloomy; specific expressions can change to dead fish eyes or spiral eye effects. Eyebrows: Pure black, thick and bold, clean and sharp lines, slight bluntness at the brow peak, brow tails naturally drooping slightly, gloomy and taciturn. Mouth: Simplified, geometric chibi cartoon style; upper lip is thin and horizontal, lower lip is full and arc-shaped, slightly open, corners of the mouth naturally upturned in a smile; color is vibrant vermilion, with a white circular highlight in the center of the lower lip. Nose: Minimalist small triangle or dot, located directly below the eyes, no bridge of the nose drawn. Lines: Sharp black outlines, 2-3px, cel-shaded anime texture, all lines must be closed and continuous, no gaps. Blush: None. Wrinkles: None. Expression/Emotion features (4 rows x 4 columns, 16 grids in total): Row 1: Cold stare (brows pressing eyes, sharp star highlights, lips pursed), disdainful snort (one brow raised, slanted star highlights, mouth curled), surprised/stunned (brows slightly raised, round eyes, star highlights, mouth slightly open), bored yawning (brows drooping, eyes half-closed, star highlights, mouth wide open). Row 2: Angry glare (brows inverted, eyes wide open, star highlights, lips pursed), confused frowning (one high one low, eyes squinting, star highlights, mouth open), disgusted pout (brows furrowed, eyes rolling, star highlights, mouth turned down), helpless sigh (brows drooping, eyes half-closed, star highlights, mouth slightly open). Row 3: Sleepy squint (brows drooping, eyes half-closed, star highlights, mouth slightly open), awkward/unimpressed (brows flat, eyes drifting, star highlights, mouth in a straight line), serious smoking (brows flat, eyes fixed, star highlights, mouth holding a cigarette), dizzy spiral eyes (spiral eyes, brows furrowed, mouth crooked). Row 4: Rare light smile (brows relaxed, eyes slightly curved, star highlights, corners of mouth slightly raised), furious outburst (brows broken, eyes wide open, star highlights, mouth wide open in rage), speechless/black line (brows flat, dead fish eyes, star highlights, mouth curled), calm closed eyes (brows relaxed, eyes closed, star highlights, corners of mouth slightly raised). Negative prompt: complete head, low quality, blurry, rough lines, misaligned features, inconsistent style, text, watermark, extra background, facial contour, skin, ears, chin, hands, body, large areas covered by hair, clothing, 3D render, realistic photo style, thick painting style, real-time style, more than 16 grids, less than 16 grids, misaligned grids, not arranged in a 4x4 grid, broken lines, unclosed lines, fused features, repeated expressions, gradients (except for highlights), multi-color mixing.