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Create an ultra-premium commercial poster for Kjeldsens butter cookies, designed as a bold, hyper-realistic, visually striking food advertisement with clean composition, realistic special effects, and refined typography. The whole image should feel like a world-class biscuit campaign poster: elegant, luxurious, dramatic yet restrained, crisp, premium, and instantly recognizable. Main concept: the iconic blue Kjeldsens butter cookie tin is the hero object, placed prominently in the center or lower-center foreground with the logo, tin shape, Danish royal-blue color, gold decorative details, and classic branding clearly visible, accurate, readable, and unobstructed. Around the tin, an elegant sculptural arrangement of assorted butter cookies rises upward in a premium tower-like composition, including classic pretzel-shaped butter cookies, ring cookies, sugar-topped cookies, chocolate-dipped variants, and fine Danish assortment forms. The composition should feel abundant yet controlled, luxurious yet clean. Product realism: all cookies must look highly authentic and premium: rich buttery golden surfaces, delicate baked texture, crisp edges, subtle sugar sparkle, fine crumb detail, smooth piped ridges, realistic biscuit pores, elegant browning, and believable handcrafted Danish biscuit finish. The cookies should feel fragile, aromatic, and expensive, not mass-market cheap. Special effects: create realistic but elegant impact effects around the cookie arrangement. Use floating buttery crumbs, fine golden biscuit dust, delicate sugar crystals, and subtle arcs of cookie fragments suspended in air, as if the biscuits have just landed or gently burst open in a dramatic premium moment. Add a restrained swirl of butter-gold particles and soft crumb motion at the base, with maybe one or two cookies breaking open to reveal tender crumb texture. Effects must feel physically believable, cinematic, and luxurious, not messy or chaotic. Composition: strong central focus, bold negative space, premium vertical poster rhythm. The eye should land first on the blue Kjeldsens tin, then move upward through the floating cookie forms and elegant motion. Keep the frame clean, breathable, and polished, with enough space for typography and brand elegance. Background: a luxurious deep blue-to-midnight gradient studio background, possibly with subtle Danish royal-blue tones and soft spotlight glow. The surface beneath the product can be glossy dark lacquer, satin-reflective tabletop, or refined matte studio plane. Everything should feel high-end, clean, and timeless. Typography: integrate highly refined English and Chinese typography into the composition in a luxury food-advertising style. The typography must feel art-directed, elegant, and premium, never crude. Include text such as: “KJELDSENS” “蓝罐曲奇” “THE TASTE OF DANISH BUTTER COOKIES” “丹麦经典，黄油留香” “TIMELESS BUTTER ELEGANCE” Use a large beautifully composed brand headline near the top and smaller supporting copy near the lower area. Typography should feel graceful, editorial, and premium, with excellent spacing, subtle gold or ivory-white color, and refined hierarchy. Color palette: royal blue, midnight blue, butter gold, warm biscuit beige, soft ivory, subtle champagne highlights, gentle metallic gold accents. Keep the palette clean, noble, and unmistakably Kjeldsens. Lighting: cinematic studio lighting, strong but soft top light, elegant rim light on the tin and cookie edges, glossy highlights on the tin surface, delicate sparkle on sugar crystals, deep premium shadows, realistic depth-of-field, and refined food-photography polish. Mood: luxurious, classic, collectible, warm, elegant, refined, gift-worthy, premium, timeless, European biscuit heritage with a modern advertising finish. Quality: ultra-detailed, hyper-realistic, luxury food advertising, premium campaign poster, dramatic but clean special effects, 8K, masterpiece, commercially believable. Negative prompt: cheap supermarket ad, cartoon cookies, messy crumb explosion, low-detail tin, unreadable logo, cluttered composition, ugly typography, crude Chinese font, flat lighting, low resolution, plastic-looking biscuits, random props, weak branding, noisy background, watermark