:root {
  --primary: #005cbb;
  --text: #1a1c1e;
  --muted: #44474e;
  --surface: #ffffff;
  --background: #f8f9ff;
  --border: #dfe2eb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #abc7ff;
    --text: #e2e2e6;
    --muted: #c4c6d0;
    --surface: #1a1c1e;
    --background: #111318;
    --border: #43474e;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 16px 8px;
}
header img { width: 40px; height: 40px; border-radius: 8px; }
header span { font-size: 22px; font-weight: 600; color: var(--primary); }
main {
  max-width: 820px;
  margin: 16px auto 48px;
  padding: 32px clamp(16px, 4vw, 40px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
h1 { font-size: 28px; line-height: 1.3; margin: 0 0 4px; }
h2 { font-size: 20px; margin: 36px 0 8px; color: var(--primary); }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { color: var(--text); }
.updated { color: var(--muted); margin-top: 0; }
a { color: var(--primary); }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
footer { max-width: 820px; margin: 0 auto 32px; padding: 0 16px; color: var(--muted); font-size: 14px; }