:root {
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --secondary: #10B981;
  --text: #0F172A;
  --muted: #64748B;
  --bg: #F8FAFC;
  --border: #E2E8F0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: #fff;
}
header.topbar {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 16px 24px;
}
header.topbar a { color: #fff; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: .5px; }
.container { max-width: 760px; margin: 0 auto; padding: 0 20px; }
article { padding: 48px 0; }
.breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
h1 { font-size: 2.1rem; line-height: 1.2; margin-bottom: 16px; }
h2 { font-size: 1.4rem; margin: 32px 0 12px; }
p { margin-bottom: 16px; color: #334155; }
ul, ol { margin: 0 0 16px 24px; color: #334155; }
li { margin-bottom: 8px; }
.lead { font-size: 1.15rem; color: var(--muted); margin-bottom: 24px; }
.cta {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
}
.cta h3 { font-size: 1.2rem; margin-bottom: 8px; }
.cta p { margin-bottom: 16px; }
.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 10px;
  text-decoration: none;
}
.btn:hover { background: var(--primary-dark); }
.disclaimer { font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 16px; margin-top: 40px; }
.related { background: var(--bg); padding: 32px 0; }
.related h2 { margin-top: 0; }
.related ul { list-style: none; margin-left: 0; }
.related a { color: var(--primary); text-decoration: none; font-weight: 500; }
footer.site { padding: 32px 0; text-align: center; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); }
footer.site a { color: var(--primary); text-decoration: none; }
.card-grid { display: grid; gap: 16px; }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 20px; text-decoration: none; color: var(--text); display: block; transition: box-shadow .2s; }
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.card h2 { margin: 0 0 6px; font-size: 1.15rem; color: var(--primary); }
.card p { margin: 0; font-size: .95rem; }