:root {
  --indigo: #584cf4;
  --deep: #1c1b3a;
  --muted: #5b5a75;
  --canvas: #f4f4fb;
  --line: #e3e2f0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    Roboto, sans-serif;
  color: var(--deep);
  background: #fff;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

header {
  background: linear-gradient(140deg, #6d5ff7, #4a3fd6);
  color: #fff;
  padding: 28px 20px;
}

header .wrap { max-width: 760px; margin: 0 auto; }

header a.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.3px;
}

header p {
  margin: 6px 0 0;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.82);
}

nav {
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
  padding: 12px 20px;
}

nav .wrap {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13.5px;
}

nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--indigo); font-weight: 600; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

h1 { font-size: 26px; letter-spacing: -0.5px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 30px 0 8px; }
p, li { font-size: 15px; color: #2b2a4d; }
ul { padding-left: 22px; }
a { color: var(--indigo); }

.updated { color: var(--muted); font-size: 13px; margin: 0 0 26px; }

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--canvas);
  margin: 22px 0;
}

.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

dl { margin: 0; }
dt { font-weight: 700; font-size: 14px; margin-top: 12px; }
dd { margin: 2px 0 0; font-size: 15px; color: #2b2a4d; }

table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }

footer {
  border-top: 1px solid var(--line);
  padding: 24px 20px 40px;
  color: var(--muted);
  font-size: 13px;
}

footer .wrap { max-width: 760px; margin: 0 auto; }
footer a { color: var(--muted); }