Main subject: Red New Year envelope, golden decorative patterns on the envelope surface, microscopic Shanghai city composed of golden-red light point particles, golden-red light point particles, small fireworks in the air. Scene: Dark blue gradient background, mysterious and dreamy atmosphere scene. Style: Dreamy digital art creativity, particle light and shadow art texture. Tone: Red and gold as the main color, matched with dark blue gradient base color. Light and shadow: Golden-red light point particles flicker slightly, particle faint light and firework light and shadow set off a dreamy atmosphere. Composition: The New Year envelope is the visual center, containing microscopic Shanghai city inside, surrounded by light point particles, small fireworks dotted above the city. Purpose: New Year theme dreamy digital art creative visual design.