:root {
  --purple: #6a4c93;
  --purple-deep: #4a3468;
  --ink: #2a2533;
  --muted: #5c5566;
  --bg: #f7f5fb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
header.hero {
  background: linear-gradient(160deg, #7c5ea8 0%, var(--purple-deep) 100%);
  color: #f6f3fb;
  text-align: center;
  padding: 56px 20px 48px;
}
header.hero img.icon {
  width: 104px; height: 104px;
  border-radius: 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,.28);
}
header.hero h1 { margin: 18px 0 6px; font-size: 30px; letter-spacing: -0.2px; }
header.hero p.tag { margin: 0; font-size: 17px; opacity: .92; }
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 36px 22px 64px;
}
.card {
  background: #fff;
  border: 1px solid #ece8f3;
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 22px;
}
h2 { color: var(--purple-deep); font-size: 21px; margin: 26px 0 8px; }
h2:first-child { margin-top: 0; }
a { color: var(--purple); }
.nav { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 22px; }
.nav a {
  display: inline-block;
  background: rgba(255,255,255,.16);
  color: #f6f3fb;
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 15px;
}
.nav a:hover { background: rgba(255,255,255,.28); }
.back { display: inline-block; margin-bottom: 16px; font-size: 15px; text-decoration: none; }
.updated { color: var(--muted); font-size: 14px; margin-top: -4px; }
footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 28px 20px 48px;
}
footer a { color: var(--muted); }
.cta {
  display: inline-block;
  background: var(--purple);
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  margin-top: 8px;
}
.cta:hover { background: var(--purple-deep); }
.lede { font-size: 17px; }
ul.spec { margin: 6px 0 2px; padding-left: 20px; }
ul.spec li { margin-bottom: 7px; }
.tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid #ece8f3;
  border-radius: 12px;
  margin: 8px 0 4px;
}
table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 560px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid #efecf5; vertical-align: top; }
th { color: var(--purple-deep); background: #faf8fd; font-weight: 600; position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: none; }
td.st { font-weight: 600; white-space: nowrap; }
.subnote { color: var(--muted); font-size: 13px; }