.article-cover{height:min(48vw,540px);min-height:320px;margin-top:0;overflow:hidden;background:#dce5f0}.article-cover img{width:100%;height:100%;object-fit:cover}.article-hero.rich{padding:54px 0 38px}.article-hero.rich h1{max-width:980px;margin-bottom:20px}.article-deck{font-size:1.25rem;max-width:800px;color:var(--muted)}.article-badges{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}.article-badges span{font-size:.78rem;font-weight:800;background:#eaf2ff;color:#124b9b;border-radius:99px;padding:6px 11px}.prose .key-box{background:var(--navy);color:#fff;border-radius:14px;padding:28px;margin:30px 0}.prose .key-box h2{margin-top:0;color:#fff}.prose .key-box li{color:#d9e5f2}.prose .example{background:#f3f8ff;border:1px solid #cfe0f5;border-radius:12px;padding:24px;margin:28px 0}.prose .warning{background:#fff7e8;border-left:4px solid #e59b16;padding:20px;margin:26px 0}.prose .commercial-box{background:#edf8f5;border:1px solid #b8e2d5;border-radius:14px;padding:26px;margin:36px 0}.prose .commercial-box h2{margin-top:0}.external-actions{display:flex;flex-wrap:wrap;gap:10px}.external-actions a{display:inline-flex;padding:10px 14px;border-radius:7px;background:#087a5b;color:#fff;text-decoration:none;font-weight:800}.external-actions a.secondary{background:#fff;color:#087a5b;border:1px solid #087a5b}.source-list a{overflow-wrap:anywhere}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:35px 0}.related-grid a{border:1px solid var(--line);padding:18px;border-radius:10px;text-decoration:none;font-weight:800}.article-toc{position:sticky;top:96px;border:1px solid var(--line);border-radius:12px;padding:22px}.article-toc a{display:block;margin:10px 0;color:var(--muted);text-decoration:none}.article-toc strong{display:block;margin-bottom:12px}.article-updated{padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.88rem;color:var(--muted)}@media(max-width:760px){.article-cover{height:300px}.related-grid{grid-template-columns:1fr}.external-actions{display:grid}.external-actions a{justify-content:center}.prose table{font-size:.9rem;display:block;overflow-x:auto}}