Create a new original English purchase discount poster with clean geometric color blocks.
Style: minimalist fashion-retail graphic, oversized numerals, smooth semicircular layers.
Layout: portrait 2:3 composition with a small seasonal title, huge offer, and rounded validity tab.
Main text: "35% OFF YOUR PURCHASE", "SUMMER SAVING", "VALID UNTIL 2026.08.31".
Language: English only; keep every phrase correctly spelled.
Design changes: use terracotta, pale mint, cream, and midnight blue with a new curved composition.
Background: soft mint field with layered cream and terracotta semicircles.
Remove: watermark, brand logo, QR code, website, author mark, navigation text, and fine print.
Avoid: exact copying, original colors, random tiny text, misspelled text, and copyrighted brand elements.
