高端封面视觉效果，以一个主要对象为主。 居中构图，留白充足， 主体下方有柔和阴影， 高级影棚布光，带有微妙高光， 干净背景，带有柔和渐变， 旨在缩略图尺寸和全尺寸下都能清晰呈现。
High-end cover visual with a single dominant subject. Centered composition, generous negative space, soft shadows beneath the subject, premium studio lighting with subtle highlights, clean background with gentle gradient, designed to read clearly at thumbnail size and full scale.
