Decorelle architecture, luxurious mansion, European-style, grand entrance, sweeping staircase, crystal chandelier, marble floors, ornate moldings, velvet drapes, golden accents, lavish furnishings, intricately carved wooden paneling, stained glass windows, opulent interior design, regal atmosphere, warm soft lighting, rich textures, Baroque details, intricate patterns, aristocratic ambiance, majestic proportions.