Mockup photo réaliste de mug émaillé accessoire publicitaire

Photo-real product mockup of a burgundy enamel mug with "accessoire publicitaire" logo printed at center chest. Mockup style: cozy home, luxury black + gold logo palette. Studio-grade photography, sharp focus, natural fabric texture / mug ceramic / paper grain. Magazine-quality merch shot, no watermarks. Logo is generic placeholder typography — no real-brand marks. Realistic product proportions. Target search intent (rendered visually, no on-image text): "accessoire publicitaire" (fr).