:root {
  --bg: #ffffff;
  --fg: #14201c;
  --muted: #4d5f58;
  --accent: #0f7a4f;
  --line: #dfe7e3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1a17;
    --fg: #e8f1ed;
    --muted: #a3b8b0;
    --accent: #5fd6a0;
    --line: #23352f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
header img { width: 48px; height: 48px; border-radius: 12px; }
header span { font-weight: 700; font-size: 18px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
p, li { color: var(--fg); }
.muted { color: var(--muted); }
a { color: var(--accent); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 8px 8px 0; border-bottom: 1px solid var(--line); }
.steps li { margin-bottom: 6px; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }