:root {
  --bg: #12141a;
  --card: #16181e;
  --text: #e8e9ed;
  --muted: #8e96a6;
  --gold: #c9a36a;
  --line: #2a2d36;
  --font: "Segoe UI", "Segoe UI Variable Display", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--font);
  max-width: 820px;
  margin: 0 auto;
  padding: 0 22px 64px 28px;
}

.rail {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gold);
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.brand img { border-radius: 8px; }
.brand small {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.brand span { font-size: 22px; font-weight: 650; line-height: 1.1; }

.get {
  background: var(--gold);
  color: #1c1610;
  text-decoration: none;
  font-weight: 650;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
}
.get:hover { filter: brightness(1.08); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 8px 0 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.nav a:hover, .nav a.on { color: var(--gold); }

.page h1 { font-size: 30px; font-weight: 650; margin: 0 0 10px; }
.page h2 { font-size: 18px; margin: 28px 0 8px; }
.page p, .page li { color: #d5d8df; }
.page a { color: var(--gold); }
.page code, .page pre {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 13px;
}
.page code {
  background: #1d2028;
  padding: 1px 6px;
  border-radius: 4px;
}
.page pre {
  background: #1d2028;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  overflow: auto;
}
.page pre code { background: none; padding: 0; }
.page table { border-collapse: collapse; width: 100%; margin: 12px 0 20px; }
.page th, .page td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 8px 10px 8px 0;
  vertical-align: top;
}
.page th { color: var(--muted); font-size: 12px; }
.lede { color: var(--muted); font-size: 18px; margin-top: 0; }
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 22px 0;
}
.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  color: inherit;
  text-decoration: none;
}
.card strong { display: block; color: var(--gold); margin-bottom: 4px; }
.card span { color: var(--muted); font-size: 14px; }
.steps { padding-left: 18px; }
.steps li { margin: 6px 0; }

.foot {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.foot a { color: var(--muted); }
.foot p { margin: 0 0 6px; }

@media (max-width: 640px) {
  .cards { grid-template-columns: 1fr; }
  .brand span { font-size: 18px; }
}