极简钴蓝时尚科技混合媒介海报

Ultra-premium vertical fashion-tech poster, Cannes-level collectible campaign. Young male/ female model, waist-to-mid-thigh framing, slightly low angle, calm confident pose, head slightly raised and tilted, elongated neck. No celebrity likeness. Dense flat cobalt-blue background with ultra-thin technical grid, registration marks, subtle print wear and silkscreen traces. Mixed-media fashion illustration: expressive ink contours, graphite, dry brush, selective marker fills, visible sketch lines, tactile pen pressure, textured art paper. Luxury mustard-yellow print accents, grainy paper, subtle ink bleeding, natural print imperfections, sharp yet organic lines, rare collectible screen-print finish, 8K. No photorealism, cartoon, anime, clutter, props, extra people, heavy typography, or generic commercial layout.