:root { --red: #CC0033; --text: #1d1d1f; --muted: #555; --bg: #ffffff; --line: #e5e5e5; --card: #f7f7f8; }
@media (prefers-color-scheme: dark) {
  :root { --text: #f2f2f2; --muted: #b5b5b5; --bg: #121212; --line: #2c2c2c; --card: #1c1c1c; --red: #ff4d6d; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 56px; height: 56px; }
header a { color: inherit; text-decoration: none; font-weight: 700; font-size: 22px; }
nav { display: flex; gap: 18px; margin: 4px 0 28px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
nav a { color: var(--red); text-decoration: none; font-weight: 600; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.meta { color: var(--muted); margin: 0 0 20px; }
a { color: var(--red); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
@media (max-width: 560px) { table, thead, tbody, tr, th, td { display: block; } thead { display: none; }
  td { border: 0; padding: 2px 0; } tr { border-bottom: 1px solid var(--line); padding: 8px 0; } td:first-child { font-weight: 600; } }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; }