.article-header { padding-top: 42px; }
.back-link { font-size: .85rem; color: var(--muted); text-decoration: none; }
.article-header h1 { margin-top: 24px; font-size: clamp(1.85rem, 4.5vw, 2.5rem); }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: .85rem; }
.article-description { color: var(--muted); margin: 20px 0 28px; }
.article-toc { border: 1px solid var(--line); border-radius: 10px; padding: 14px 20px; margin-bottom: 36px; font-size: .9rem; }
.article-toc summary { cursor: pointer; font-weight: 600; }
.article-toc ol { padding-left: 22px; margin-bottom: 6px; }
.article-toc a { color: var(--muted); text-decoration: none; }
.article-toc a:hover { color: var(--accent); }
.prose { line-height: 1.95; }
.prose h2 { margin: 48px 0 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); font-size: 1.5rem; }
.prose h3 { font-size: 1.2rem; margin: 32px 0 16px; }
.prose p { margin: 18px 0; }
.prose ul, .prose ol { padding-left: 1.5rem; }
.prose li { padding-left: .25rem; margin: 6px 0; }
.prose code { font: .86em/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--code); border-radius: 4px; padding: .15em .3em; overflow-wrap: anywhere; }
.prose pre { position: relative; background: var(--code); border: 1px solid var(--line); border-radius: 10px; margin: 22px 0; padding: 46px 20px 20px; }
.prose pre::before { content: attr(data-language); position: absolute; top: 12px; left: 20px; font-size: .7rem; color: var(--muted); letter-spacing: .06em; }
.prose pre code { display: block; overflow-x: auto; white-space: pre; overflow-wrap: normal; padding: 0 0 4px; border-radius: 0; tab-size: 2; }
.copy-code { position: absolute; right: 10px; top: 8px; padding: 2px 8px; font-size: .7rem; background: var(--bg); }
.table-scroll { max-width: 100%; overflow-x: auto; margin: 24px 0; border: 1px solid var(--line); border-radius: 8px; }
.prose table { border-collapse: collapse; width: 100%; font-size: .9rem; line-height: 1.7; }
.prose th, .prose td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); min-width: 130px; }
.prose th { background: var(--code); font-weight: 600; }
.prose tr:last-child td { border-bottom: 0; }
.article-bottom { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; margin-top: 48px; border-top: 1px solid var(--line); font-size: .85rem; }
@media (max-width: 560px) {
  .article-header { padding-top: 28px; }
  .prose h2 { font-size: 1.3rem; }
  .prose pre { padding-right: 14px; padding-left: 14px; }
  .prose { font-size: .95rem; }
}