Grand Opening Mega Sale Seafood Hotpot

[Format] Professional e-commerce product main image, square 1:1, loud restaurant grand-opening poster with a photo collage, red rays and giant gold type. [Colors] Background vivid red with darker red radiating rays from the centre. Photo tiles trimmed in gold. The headline in gold characters with a red outline; supporting text in white and yellow. No frame border. [Layout] The upper half holds three food photo tiles — two stacked on the left, one tall on the right — with a jagged gold discount starburst overlapping their inner corner. The lower half carries a massive gold headline across the full width, then two lines of offer text with a small lightning bolt. [Subject] No people. Tile one: a platter of whole green prawns arranged in a ring. Tile two: a bubbling seafood hotpot with sliced beef rolls, prawns and canned drinks around it. Tile three: a braised beef-offal dish with tofu puffs and greens. [Headline] Gold starburst: "83% off" in red on jagged gold. Giant gold headline: "Grand Opening Mega Sale". Line one: "83% off — seafood hotpot from $38 per person!" Line two: "Live abalone, delicious fresh oysters" in gold with a small lightning icon. [Mood] Festive, bustling and hungry-making; red-and-gold celebration energy with radial burst drama, hard to scroll past.