:root {
  --brand: #005EB8;
  --brand-deep: #003087;
  --accent: #00A9CE;
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1a2332;
  --muted: #5b677a;
  --border: #d7e0ec;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}
header.site {
  background: linear-gradient(135deg, var(--brand-deep), var(--brand));
  color: #fff;
  padding: 28px 20px;
}
header.site .inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  align-items: center;
}
header.site h1 { margin: 0; font-size: 1.45rem; }
header.site .tag { margin: 4px 0 0; opacity: 0.9; font-size: 0.95rem; }
header.site .logo {
  width: 64px; height: 64px; border-radius: 14px;
  background: #fff;
}
nav.site {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
nav.site ul {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 12px;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
nav.site a {
  display: block;
  padding: 14px 12px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}
nav.site a[aria-current="page"],
nav.site a:hover { color: var(--brand); }
main {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}
.meta { color: var(--muted); font-size: 0.9rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  margin: 16px 0;
}
.card.highlight {
  border-color: #b7d4f5;
  background: #eef6ff;
}
h2 { margin-top: 1.6em; color: var(--brand-deep); font-size: 1.2rem; }
ul.plain { padding-left: 1.2em; }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 12px;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.92rem;
}
th { background: #e8f1fb; color: var(--brand-deep); }
footer.site {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 40px;
  color: var(--muted);
  font-size: 0.85rem;
}
a { color: var(--brand); }
.hero-cta {
  display: inline-block;
  margin-top: 12px;
  background: var(--brand);
  color: #fff !important;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 700;
}