:root {
  --ink: #141317;
  --panel: #1d1c21;
  --line: #2c2a31;
  --mist: #c9c6cf;
  --text: #ece9f1;
  --brass: #d4a843;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
header { margin-bottom: 32px; }
.mark { display: inline-block; width: 40px; height: 40px; border-radius: 22.37%; box-shadow: 0 0 0 1px var(--line); vertical-align: middle; margin-right: 12px; }
h1 { display: inline; font-size: 32px; letter-spacing: -0.01em; vertical-align: middle; }
h2 { font-size: 20px; margin: 36px 0 8px; color: var(--brass); }
p, li { color: var(--mist); }
strong { color: var(--text); }
code { overflow-wrap: anywhere; }
a { color: var(--brass); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 4px 20px; margin: 16px 0; }
.lede { font-size: 19px; color: var(--text); }
.muted { font-size: 15px; }
footer { margin-top: 48px; border-top: 1px solid var(--line); padding-top: 16px; font-size: 15px; }
.button { display: inline-block; background: var(--brass); color: var(--ink); font-weight: 600; text-decoration: none; padding: 14px 22px; border-radius: 14px; margin: 4px 0 8px; }
.button:hover, .button:focus-visible { filter: brightness(1.08); }