Generate a vertical 9:16 high-end event poster with the theme of [theme name] for a [eve…

Generate a vertical 9:16 high-end event poster with the theme of [theme name] for a [event type]. The image features a dark background, with an overall style of high-end art event poster, sound visualization poster, parametric visual design, experimental design poster. The main visual is a large abstract sound field installation, transforming "sound, music, space, energy fluctuations" into visual graphics. Use [circular sound field / particle waveform / spectrum mountains / algorithmic data rings / contour line vortex / annular light and shadow device] as the core visual, occupying the main area of the image, with strong spatial depth and high-end visual impact. The background is a [main color] dark tone, e.g., deep black, dark blue-black, dark brown-black, or dark purple-black. Lighting effects use [accent color], e.g., neon blue, purple, cyan, warm gold, orange, or cool white. Overall lighting is restrained, sophisticated, without excessive glare. Include information typography: Chinese main title: [Chinese title] English subtitle: [English subtitle] Date: [Date] Time: [Time] Location: [Location] Guests / Brands / Event Information: [information content] Typography uses mixed Chinese and English, vertical Chinese text, thin line separators, small dot markers, a numbering system, and micro English descriptions. Text should resemble the formal visual system of an art festival, music academy, design exhibition, or technology forum. Composition requirements: asymmetrical layout, main visual and text information form clear hierarchy, retain sufficient dark negative space, font is clean and modern, overall sophisticated, calm, professional, with an experimental art aesthetic. High-definition poster design, print-quality texture, avoid cheap template feel, avoid QR codes, avoid cluttered typography.