:root{
  --bg:#ffffff;
  --text:#1a1a1a;
  --muted:#5a6472;
  --brand:#1f6feb;
  --brand2:#0b4db8;
  --card:#f6f8fb;
  --border:#e6e9ef;
  --shadow: 0 8px 22px rgba(17,24,39,.08);
  --radius:18px;
  --max: 1080px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.45}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
header{
  position:sticky;top:0;z-index:5;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  display:grid;place-items:center;color:#fff;font-weight:800;
  box-shadow:var(--shadow);
}
.brand h1{font-size:18px;margin:0}
.brand p{margin:0;color:var(--muted);font-size:12px}
nav ul{display:flex;gap:14px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
nav a{display:inline-block;padding:8px 10px;border-radius:12px;color:var(--text)}
nav a.active, nav a:hover{background:var(--card);text-decoration:none}
.hero{
  padding:44px 0 10px 0;
}
.hero-card{
  background:linear-gradient(180deg,#f7fbff, #ffffff);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
}
.hero h2{margin:0 0 8px 0;font-size:34px;letter-spacing:-.02em}
.hero p{margin:0;color:var(--muted);font-size:16px;max-width:70ch}
.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:16px;
  padding:22px 0 40px;
}
.card{
  grid-column:span 6;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
}
.card h3{margin:0 0 8px 0}
.card p{margin:0;color:var(--muted)}
.card a.btn{margin-top:12px;display:inline-block}
.btn{
  display:inline-block;
  background:var(--brand);
  color:#fff;
  padding:10px 14px;
  border-radius:14px;
  font-weight:650;
  box-shadow:0 10px 18px rgba(31,111,235,.18);
}
.btn:hover{background:var(--brand2);text-decoration:none}
.section{
  padding:18px 0 34px;
}
.section h2{margin:0 0 10px 0;font-size:26px}
.section h3{margin:18px 0 8px 0}
.section p, .section li{color:var(--muted)}
.kicker{color:var(--muted);font-size:13px;margin-top:4px}
.notice{
  background:#fff7ed;
  border:1px solid #fed7aa;
  color:#9a3412;
  border-radius:14px;
  padding:12px 14px;
  margin:14px 0;
}
.footer{
  border-top:1px solid var(--border);
  padding:18px 0 26px;
  background:#fbfcfe;
}
.footer .links{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 10px}
.small{font-size:12px;color:var(--muted)}
@media (max-width:780px){
  .card{grid-column:span 12}
  .hero h2{font-size:28px}
}
form .field{display:grid;gap:6px;margin:10px 0}
input, textarea, select{
  padding:10px 12px;
  border:1px solid var(--border);
  border-radius:12px;
  font:inherit;
}
textarea{min-height:120px}


/* --- Header Banner Customization --- */
header {
  background: #000000 !important;
  border-bottom: 3px solid #fbbf24;
}

header h1,
header p,
nav a {
  color: #fbbf24 !important;
}

nav a:hover,
nav a.active {
  background: rgba(251,191,36,0.15);
  color: #fbbf24 !important;
}