[主题]

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[Theme]
Cool early-autumn dusk street editorial: an adult woman in a fitted white coord poses with a large matte-black motorcycle accented in yellow. Modern, sensual, sophisticated.

[Composition-Angle]
Vertical 2:3 medium-full shot, slightly below eye level. She leans shallowly on the bike seat, one hand resting lightly on the fuel tank. Her torso turns subtly on a diagonal, emphasizing a curvy hourglass silhouette from bust through a narrow waist to full hips. Café terrace and streetscape softly blurred for depth.

[Subject-Expression]
Adult woman, black hair casually pinned in an updo with a claw clip and delicate face-framing strands. Refined natural makeup/bare-face look; cool, languid gaze in near-profile toward camera; straight nose; naturally glossy cherry-toned lips. Realistic porcelain-toned skin with visible fine texture, natural pores, healthy softness and glow; no excessive retouching.

[Clothing-Material]
Top: ultra-fitted white rib-knit mock-neck short-sleeve stretch top, closely following the body's contours and emphasizing a full bust, while remaining fully covered.
Bottom: low-rise white fitted flare pants in ribbed sweat-jersey, drawstring waist, closely defining a very slim waist, full hips, thighs, knees, and elegant flared hems.
Accessories/Props: minimalist silver bracelet; large matte-black motorcycle with vivid yellow stripe tank accent, detailed engine and exhaust; black and pastel-red full face racing helmet near the rear seat. Overall silhouette: pronounced curvy hourglass S-curve.

[Lighting-Space]
Soft diffused natural light from early afternoon into autumn dusk. Sophisticated Asian urban street corner with café terrace, parasols, brick façades, and asphalt. Subtle reflections on motorcycle metal; soft side light and graduated shadows give dimensional separation to the white outfit.

[Texture-Optical Settings]
Photorealistic fashion lookbook/street portrait. 85mm prime, f/2.0 shallow depth of field; sharp eyes, rib-knit fabric, and motorcycle paint/mechanical details; cinematic background bokeh. Ultra-high definition, natural skin pores, realistic fabric stretch and wrinkles, 8K detail.

[Negative Constraints]
 multiple people, men, crowds, nudity, transparent clothing, plastic skin, excessive retouching, distorted anatomy, CG look, illustration, anime.
#aiart