:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #172033;
  --muted: #5d6878;
  --line: #dfe5ec;
  --accent: #1769aa;
  --max: 1160px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--accent); }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.site-header { background:#111827; color:white; border-bottom:1px solid #263245; }
.header-inner { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { color:white; text-decoration:none; font-size:1.35rem; font-weight:800; }
.brand span { color:#66b7f1; }
.nav { display:flex; flex-wrap:wrap; gap:18px; }
.nav a { color:#e6edf7; text-decoration:none; font-size:.95rem; }
.hero { background:linear-gradient(135deg,#111827,#1769aa); color:white; padding:88px 0 78px; }
.hero-content { max-width:800px; }
.eyebrow { text-transform:uppercase; font-size:.78rem; letter-spacing:.16em; font-weight:700; color:#b9dcf6; }
h1 { font-size:clamp(2.4rem,6vw,4.8rem); line-height:1.02; margin:12px 0 18px; }
.hero p { font-size:clamp(1.05rem,2vw,1.3rem); color:#e6edf7; max-width:690px; }
.button { display:inline-block; margin-top:16px; background:white; color:#0f4f84; text-decoration:none; font-weight:700; padding:12px 18px; border-radius:8px; }
.section { padding:64px 0; }
.section h2 { font-size:clamp(1.7rem,3vw,2.35rem); margin:0 0 12px; }
.lead { color:var(--muted); max-width:760px; margin-top:0; }
.grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:30px; }
.card { background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:24px; box-shadow:0 5px 18px rgba(30,41,59,.05); }
.card h3 { margin-top:0; }
.card p { color:var(--muted); }
.card a { font-weight:700; }
.notice { background:#eaf4fb; border-left:4px solid var(--accent); padding:18px 20px; border-radius:6px; margin-top:28px; }
.page-main { padding:58px 0 80px; min-height:65vh; }
.page-main h1 { color:var(--text); font-size:clamp(2.1rem,5vw,3.5rem); }
.breadcrumb { color:var(--muted); font-size:.9rem; }
.site-footer { background:#111827; color:#cbd5e1; padding:34px 0; }
.footer-inner { display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.footer-links { display:flex; gap:16px; flex-wrap:wrap; }
.footer-links a { color:#dbeafe; }
@media (max-width:900px) {
  .grid { grid-template-columns:repeat(2,1fr); }
  .header-inner { align-items:flex-start; flex-direction:column; padding:16px 0; }
}
@media (max-width:560px) {
  .grid { grid-template-columns:1fr; }
  .hero { padding:64px 0 58px; }
  .nav { gap:10px 15px; }
}