Main subject: Giant transparent and crystal-clear ice block, inside which fresh salmon steaks with bright orange-red color and distinct texture are sealed, plus scattered small ice pieces. Scene: Deep dark gray-black gradient background, with the ice block sealing the salmon steaks as the core visual scene, creating a cold and high-end fresh food display atmosphere. Style: High-end fresh food promotional poster style, cold and high-end, luxurious and translucent. Color palette: Overall dominated by dark gray-black gradient, paired with the clear cool white of the ice block and the orange-red of the salmon steaks. Lighting: Overall delicate and soft lighting, the ice block surface has a cool glass-like luster, overall texture is luxurious and translucent. Composition: Centered composition, giant ice block and salmon steaks at the center of the frame, scattered ice pieces around as accents. Usage: High-end fresh food product promotional poster design, commercial visual promotion for fresh salmon.