.up-news-cover{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;margin-bottom:16px;background:var(--up-paper,var(--cp-surface));}
.up-news-cover-detail{max-height:440px;object-fit:contain;}
.up-media video[poster]{aspect-ratio:16/9;object-fit:contain;}
.cp-cover-editor img{object-fit:contain;background:var(--cp-bg,#f4f6fa);}
.cp-news-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));}