Fantasy urban neon beautiful girl 3D portrait

An adult fantasy-style beautiful female character, 3D CG style, 9:16 vertical composition, near-shot to half-body/full-body portrait. The character is positioned center-right, leaning slightly forward with hands resting on a windowsill or counter, looking back at the camera. Her posture is natural and elegant, blending sweetness with a subtle charm, emphasizing a gentle temperament and graceful curves. She wears an outfit made of smooth, delicate fabric with a distinct satin reflection and premium gloss. The dress features a backless design with thin straps, revealing beautiful shoulder and neck lines, scapulae, back curves, and a slender waist. The dress fits naturally, outlining elegant curves and highlighting sophisticated feminine beauty. The style is sexy yet restrained, emphasizing a soft, elegant, and dreamy atmosphere. The character stands before a floor-to-ceiling window in a high-rise, overlooking a brilliant and blurry urban night scene where the blue night sky interweaves with city lights. The indoor environment is minimalist and high-end, creating a cool, quiet, and enchanting nocturnal atmosphere. The color palette features light pink, pearl white, ice blue, night sky blue, lavender pink, and cool neon blue light, creating a transparent and romantic tone. The style is high-quality 3D CG rendering with exquisite modeling, semi-realistic anime aesthetics, cinematic lighting, delicate skin textures, realistic silk fabric, soft volumetric light, and distinct hair strands. The background features dreamy bokeh and urban light glow effects, presenting a high-end CG poster quality that is aesthetic, refined, and romantic.