*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy: #0B1F3A;
  --green: #0EA472;
  --border: #DDE5EF;
  --bg: #F4F7FB;
  --card: #FFFFFF;
  --text: #1E293B;
  --text2: #475569;
  --muted: #94A3B8;
}
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
.doc-header {
  background: var(--navy);
  color: #fff;
  padding: 2rem 2rem 1.5rem;
}
.doc-header .site { font-size: .75rem; color: rgba(255,255,255,.5); margin-bottom: .4rem; letter-spacing: .05em; }
.doc-header h1 { font-size: 1.4rem; font-weight: 700; }
.doc-header .meta { font-size: .75rem; color: rgba(255,255,255,.5); margin-top: .5rem; }
.doc-body {
  max-width: 780px;
  margin: 2rem auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2.5rem;
}
h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 2rem 0 .6rem;
  padding-bottom: .4rem;
  border-bottom: 2px solid var(--border);
}
h2:first-child { margin-top: 0; }
h3 { font-size: .9rem; font-weight: 700; color: var(--navy); margin: 1.25rem 0 .4rem; }
p { color: var(--text2); margin-bottom: .75rem; }
ul, ol { padding-left: 1.4rem; color: var(--text2); margin-bottom: .75rem; }
li { margin-bottom: .3rem; }
table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; font-size: .85rem; }
th { background: var(--bg); padding: .5rem .75rem; text-align: left; font-weight: 700; color: var(--navy); border: 1px solid var(--border); font-size: .75rem; }
td { padding: .5rem .75rem; border: 1px solid var(--border); color: var(--text2); vertical-align: top; }
.highlight {
  background: #EFF6FF;
  border-left: 3px solid #3B82F6;
  padding: .75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1rem;
  font-size: .85rem;
  color: #1E40AF;
}
.warning {
  background: #FEF3C7;
  border-left: 3px solid #D97706;
  padding: .75rem 1rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1rem;
  font-size: .85rem;
  color: #92400E;
}
.footer-nav {
  max-width: 780px;
  margin: 1rem auto 3rem;
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: .78rem;
  color: var(--navy);
  text-decoration: none;
  padding: .35rem .85rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--card);
  transition: all .15s;
}
.footer-nav a:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
strong { color: var(--text); }
@media (max-width: 600px) {
  .doc-body { margin: 1rem; padding: 1.5rem; }
}