Create a brand-new Korean spring shopping benefits vertical poster.
Accurately display the text “봄맞이 쇼핑혜택”“첫 구매 20%”“재구매 10%”“2026.08.01-08.15”.
Use deep navy blue, coral orange, mint green, creamy white, and yellow.
Compose the scene using gift boxes, two floating coupons, balloons, and simple floral elements.
All Korean text should be centered and easy to read.
Employ cheerful 3D paper art illustrations and balanced negative space.
Do not include material watermarks, brands, logos, URLs, QR codes, or tiny text.
Output a high-quality static PNG.