/* Article pages — matches site.css tokens */
.article-page {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(1200px 480px at 10% -10%, rgba(200, 164, 90, 0.08), transparent 55%),
    linear-gradient(180deg, #f7f6f3 0%, var(--paper) 40%, var(--paper-2) 100%);
  font-family: var(--font-body);
  min-height: 100vh;
}
.article-top {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 0.85rem clamp(16px, 4vw, 36px);
  background: rgba(5, 6, 8, 0.92);
  border-bottom: 1px solid var(--line-light);
  backdrop-filter: blur(10px);
}
.article-home {
  color: #f5f4f1; text-decoration: none;
  font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.02em;
}
.article-back { color: rgba(245, 244, 241, 0.82); text-decoration: none; font-size: 0.92rem; }
.article-back:hover, .article-home:hover { color: var(--accent); }
.article-main { width: min(720px, calc(100% - 2rem)); margin: 0 auto; padding: 2.2rem 0 3rem; }
.article-main-wide { width: min(860px, calc(100% - 2rem)); }
.article-header { margin-bottom: 1.6rem; }
.article-kicker {
  margin: 0 0 0.4rem; text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 0.72rem; color: var(--muted);
}
.article-header h1 {
  margin: 0 0 0.55rem; font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.7rem, 3.2vw, 2.35rem); line-height: 1.25; color: var(--ink);
}
.article-date { display: inline-block; color: var(--muted); font-size: 0.92rem; }
.article-source { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.85rem; word-break: break-all; }
.article-boundary {
  margin: 0 0 1.4rem; padding: 0.9rem 1rem;
  border: 1px solid rgba(200, 164, 90, 0.45); background: rgba(200, 164, 90, 0.08);
}
.article-boundary strong { display: block; font-family: var(--font-display); font-size: 1rem; margin-bottom: 0.25rem; }
.article-boundary p { margin: 0; font-size: 0.9rem; color: var(--muted); line-height: 1.55; }
.article-body { font-size: 1.02rem; line-height: 1.75; }
.article-body h1, .article-body h2, .article-body h3, .article-body h4 {
  font-family: var(--font-display); font-weight: 500; line-height: 1.3; color: var(--ink);
  margin: 1.6rem 0 0.65rem;
}
.article-body h2 { font-size: 1.45rem; }
.article-body h3 { font-size: 1.2rem; }
.article-body p { margin: 0 0 1rem; }
.article-body ul, .article-body ol { margin: 0 0 1rem 1.2rem; padding: 0; }
.article-body li { margin: 0.25rem 0; }
.article-body a { color: #6b5420; text-decoration-thickness: 1px; text-underline-offset: 2px; }
.article-body img { margin: 1rem auto; border: 1px solid var(--line); max-width: 100%; height: auto; }
.article-figure { margin: 0 0 1.25rem; }
.article-figure img { width: 100%; max-width: 640px; }
.article-body pre {
  overflow-x: auto; padding: 0.85rem 1rem; background: #111418; color: #f2efe8;
  font-size: 0.86rem; line-height: 1.5; margin: 0 0 1rem;
}
.article-body code { font-family: Consolas, "IBM Plex Mono", monospace; font-size: 0.9em; }
.article-body :not(pre) > code { background: rgba(18, 20, 24, 0.06); padding: 0.1em 0.35em; }
.article-body .table-scroll { overflow-x: auto; margin: 0 0 1rem; -webkit-overflow-scrolling: touch; }
.article-body table {
  border-collapse: collapse; width: 100%; margin: 0;
  font-size: 0.92rem; line-height: 1.45;
}
.article-body th, .article-body td {
  border: 1px solid var(--line, #ccc); padding: 0.45rem 0.55rem;
  text-align: left; vertical-align: top;
}
.article-body th { background: rgba(18, 20, 24, 0.05); font-weight: 600; }
.article-body .meta { text-align: center; color: var(--muted); margin-bottom: 1.2rem; font-size: 0.95rem; }
.article-body .ok,
.article-body .warn,
.article-body .note,
.article-body .epistemic {
  font-size: 0.95rem; padding: 0.85rem 1rem; margin: 1rem 0; border: 1px solid var(--line, #ccc);
}
.article-body .ok { background: rgba(40, 120, 60, 0.07); border-color: rgba(40, 120, 60, 0.35); }
.article-body .warn { background: rgba(180, 120, 40, 0.08); border-color: rgba(160, 110, 40, 0.4); }
.article-body .epistemic { background: rgba(60, 70, 140, 0.06); border-color: rgba(60, 70, 140, 0.3); }
.article-body .note { background: rgba(18, 20, 24, 0.04); }
.article-body .small { font-size: 0.9rem; }
.article-body hr { border: none; border-top: 1px solid var(--line, #ccc); margin: 1.4rem 0; }
.article-foot.article-main-wide { width: min(860px, calc(100% - 2rem)); }
.article-disclaimer {
  margin-top: 2.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line);
  font-size: 0.86rem; color: var(--muted); line-height: 1.6;
}
.article-disclaimer .d-zh { margin: 0 0 0.75rem; }
.article-disclaimer .d-en { margin: 0; font-style: italic; }
.article-foot {
  width: min(720px, calc(100% - 2rem)); margin: 0 auto 2.5rem;
  font-size: 0.9rem; color: var(--muted);
}
.article-foot a { color: inherit; }
.local-mirror {
  display: inline-block; margin: 0.25rem 0 0.75rem 2.6rem;
  font-size: 0.85rem; color: var(--muted);
}
.extras-wrap { width: min(720px, calc(100% - 2rem)); margin: 1rem auto; font-family: var(--font-body); }
.extras-nav { margin-bottom: 0.75rem; }
.extras-nav a { color: #6b5420; }
.archive-list { list-style: none; margin: 0; padding: 0; }
.archive-list li {
  display: grid; grid-template-columns: 7.5rem 1fr; gap: 0.75rem;
  padding: 0.7rem 0; border-bottom: 1px solid var(--line); font-size: 0.98rem;
}
.archive-list time { color: var(--muted); font-variant-numeric: tabular-nums; }
.archive-list a { color: inherit; text-decoration: none; }
.archive-list a:hover { color: #6b5420; }
.theory-more a { border-top: 1px dashed var(--line); margin-top: 0.35rem; }