:root {
  --bg: #0b0c0e;
  --panel: #101216;
  --text: #d8d4cb;
  --muted: #92969d;
  --line: #25282e;
  --amber: #e8b36b;
  --amber-hi: #ffd9a0;
  --mono: "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.8 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--amber-hi); text-underline-offset: 4px; }
a:hover { color: #fff0d6; }
code, pre { font-family: var(--mono); }
code { color: var(--amber-hi); }
.wrap { width: calc(100% - 40px); max-width: 920px; margin: 0 auto; }
.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
}
.site-nav .wrap { display: flex; align-items: center; gap: 22px; padding: 13px 0; }
.site-nav a { flex: 0 0 auto; }
.brand { margin-right: auto; color: var(--text); font: 600 14px var(--mono); text-decoration: none; }
.site-nav a:not(.brand) { color: var(--muted); font: 12px var(--mono); text-decoration: none; }
.site-nav a:hover { color: var(--amber-hi); }
header { padding: 76px 0 44px; border-bottom: 1px solid var(--line); }
.eyebrow { color: var(--amber); font: 12px var(--mono); letter-spacing: .22em; text-transform: uppercase; }
h1 { max-width: 18em; margin: 16px 0; font-size: clamp(34px, 7vw, 56px); line-height: 1.18; letter-spacing: -.025em; }
.lead { max-width: 48em; color: var(--muted); font-size: 18px; }
.meta { color: #696d74; font: 12px var(--mono); }
main { padding: 28px 0 90px; }
article { min-width: 0; max-width: 760px; }
h2 { margin: 64px 0 16px; font-size: 28px; line-height: 1.35; }
h3 { margin: 32px 0 8px; font-size: 19px; }
p, li { color: #b7b5b0; }
strong { color: var(--text); }
.toc, .callout {
  margin: 28px 0;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
}
.toc b { display: block; margin-bottom: 8px; font: 13px var(--mono); color: var(--amber); }
.toc ol { margin: 0; padding-left: 22px; }
.toc li { margin: 3px 0; }
.callout { border-left: 3px solid var(--amber); }
.callout p { margin: 0; }
pre {
  overflow-x: auto;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #08090b;
  color: var(--text);
  font-size: 13px;
  line-height: 1.75;
}
.table-wrap { overflow-x: auto; border-top: 1px solid var(--line); }
table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 14px; }
th, td { padding: 14px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--amber); font: 12px var(--mono); }
td { color: var(--muted); }
td:first-child { color: var(--text); font-weight: 600; }
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { position: relative; padding: 0 0 22px 48px; }
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 28px;
  height: 28px;
  border: 1px solid var(--amber);
  border-radius: 50%;
  color: var(--amber-hi);
  font: 13px/27px var(--mono);
  text-align: center;
}
.faq details { padding: 18px 0; border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; color: var(--text); font-weight: 600; }
.faq p { margin: 10px 0 0; }
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.button {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid var(--amber);
  border-radius: 4px;
  background: var(--amber);
  color: #171106;
  font: 600 13px var(--mono);
  text-decoration: none;
}
.button.secondary { background: transparent; border-color: var(--line); color: var(--text); }
footer { border-top: 1px solid var(--line); padding: 28px 0 50px; color: #6d7076; font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; }
footer a { color: var(--muted); }
@media (max-width: 640px) {
  .site-nav { overflow: hidden; }
  .site-nav .wrap { width: 100%; max-width: none; gap: 12px; padding: 13px 20px; overflow-x: auto; }
  .site-nav a:not(.brand) { font-size: 11px; }
  header { padding-top: 52px; }
  h2 { margin-top: 48px; }
}