Create an ultra-detailed editorial fashion portrait rendered entirely in opaque gouache. Illustrate a graceful young woman with luminous porcelain skin, vibrant green eyes, glossy lips, and a sleek jet-black bob. Dress her in an avant-garde crimson couture dress featuring dramatic sculptural sleeves, satin gloves, and geometric silver earrings. Pose her in a confident close-up editorial portrait against a minimalist pastel backdrop. Render using rich matte gouache layers, flat yet vibrant pigments, crisp graphic edges, subtle brush textures, premium illustration board grain, refined editorial composition, and magazine-quality ultra-detailed 8K gouache illustration.