:root {
  color-scheme: light dark;
  --seo-bg: #f6f8fb;
  --seo-surface: #ffffff;
  --seo-text: #16202a;
  --seo-muted: #536271;
  --seo-link: #075c9e;
  --seo-border: #cbd5df;
  --seo-accent: #0a7b61;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--seo-bg); color: var(--seo-text); font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--seo-link); }
a:focus-visible { outline: 3px solid #d58919; outline-offset: 3px; }
.seo-shell { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }
.seo-header { background: var(--seo-surface); border-bottom: 1px solid var(--seo-border); padding: 18px 0; }
.seo-brand { color: var(--seo-text); font-weight: 700; text-decoration: none; }
.seo-nav { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 10px; }
main { padding: 32px 0 48px; }
h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 1.35rem; margin-top: 32px; }
.seo-lede, .seo-disclosure { color: var(--seo-muted); }
.seo-disclosure { border-top: 1px solid var(--seo-border); margin-top: 36px; padding-top: 18px; font-size: .92rem; }
.seo-table-wrap { overflow-x: auto; background: var(--seo-surface); border: 1px solid var(--seo-border); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { border-bottom: 1px solid var(--seo-border); padding: 10px 12px; text-align: left; vertical-align: top; }
th { background: #eaf1f6; }
code { font: inherit; font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.seo-list { padding-left: 20px; }
.seo-note { background: #e7f3ee; border-left: 4px solid var(--seo-accent); padding: 12px 16px; }
@media (prefers-color-scheme: dark) {
  :root { --seo-bg: #111820; --seo-surface: #19232e; --seo-text: #f0f4f7; --seo-muted: #b8c4ce; --seo-link: #86ccff; --seo-border: #506171; --seo-accent: #62d0ae; }
  th { background: #263543; }
  .seo-note { background: #15352d; }
}
@media (max-width: 640px) { .seo-shell { width: min(100% - 24px, 1100px); } h1 { font-size: 1.65rem; } }