Create a new original English night sale poster with a glowing futuristic portal.
Style: cinematic neon advertising, floating retail icons, radiant oval light structure.
Layout: portrait with title and discount inside the portal, date below, and abstract icons around it.
Main text: "NIGHT SALE", "UP TO 50% OFF", "2026.08.21-08.23".
Language: English only; keep every phrase correctly spelled.
Design changes: use electric blue, magenta, warm amber, and black with an oval portal and new icon positions.
Background: deep black sci-fi environment with blue-magenta light trails.
Remove: watermark, brand logo, QR code, website, author mark, and fine print.
Avoid: exact copying, original colors, random tiny text, misspelled text, and copyrighted brand elements.
