Minimalist poster design, a stark black and white S-shaped road made of hyper-realistic piano keys, glossy black keys and matte white keys, ultra-clean background with subtle gray gradients, dramatic shadows and highlights, monochromatic palette, 3D rendering, 8K resolution

极简主义海报设计，一条由超现实的钢琴钥匙，光泽的黑色钥匙和哑光白钥匙制成的鲜明的黑白S形公路，具有微妙的灰色梯度，戏剧性的阴影和亮点，单色调色板，3D呈现，8K分辨率，8K分辨率，8K分辨率，