Generate a Baroque-style poster illustration suitable for the Seedream model, vertical 3:4 aspect ratio, ultra-high definition, extremely ornate, filled with courtly, religious, and operatic dramatic tension. The color palette features deep black, dark gold, burgundy, peacock blue, and creamy white, with strong chiaroscuro contrast. Golden beams of light pour down from the dome, with dust particles floating in the air. In the center stands a magnificent Baroque palace staircase, intertwining spiral columns, broken pediments, scrollwork, shell decorations, gilded frames, angel reliefs, heavy drapery, and crystal chandeliers. The foreground displays red velvet, gold tassels, pearls, roses, a harp, a crown, and candelabras; the dome fresco in the background faintly reveals a sea of clouds, holy light, and flying angels. The composition balances symmetry with strong dynamic momentum, layering curves, volutes, exaggerated perspective, and dramatic lighting. The overall look resembles a luxurious Baroque opera poster, combining the texture of classical oil painting with 3D rendering details, including metal reflections, silk folds, marble textures, warm candlelight, and depth-of-field blur. Seedream parameters: high de
