Halloween Live-Stream Shopping Promo Poster

Halloween live-stream shopping promo poster, vertical 9:16 e-commerce layout. [Colors] Deep violet #2B1B4D to #3F2A6B, near-black purple #140E24, lavender #B79CE8, pumpkin glow #FF9E3D, cream coupon card #F6EFE4. [Layout] Header art with castle towers and moon, bold headline, thin ribbon announcing a live-room coupon. Left column: tall rounded coupon card topped with a witch hat, holding a large 20-off price badge, three icon benefit rows and a fine-print line. Center: large empty white product area reserved for photography. Bottom: gravestone silhouettes with glowing jack-o'-lanterns and candles, then a dark strip with three shipping and service icons. [Typography] Sharp display serif for the headline, clean sans for figures, tiny caps for fine print. [Subject] Carved pumpkins and candle stubs as bottom anchors, bats in the header sky. [Lighting & Mood] Dim cinematic violet with warm ember highlights. [Details] Faint smoke, light texture noise, clean empty hero zone.