:root {
  --brand: #1a4fb5;
  --ink: #1a1f2c;
  --muted: #5b6374;
  --line: #e4e7ee;
  --bg: #f7f8fb;
  --card: #ffffff;
  --accent: #0e3b8a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

header.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

header.brand .dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--brand);
}

header.brand .name {
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--accent);
}

h1 {
  font-size: 32px;
  line-height: 1.25;
  margin: 0 0 8px;
}

.lede {
  color: var(--muted);
  margin: 0 0 32px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 1px 0 rgba(24, 32, 60, 0.03);
}

h2 {
  font-size: 20px;
  margin: 28px 0 8px;
  color: var(--accent);
}

h3 {
  font-size: 16px;
  margin: 16px 0 4px;
}

p, li {
  font-size: 15.5px;
  color: var(--ink);
}

ul {
  padding-left: 22px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  background: #f2f4f9;
  color: var(--accent);
  font-weight: 600;
}

code {
  background: #eef1f7;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13.5px;
}

footer {
  margin-top: 32px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

a { color: var(--brand); }