:root{
  --bg:#f5f9fc; --card:#fff; --ink:#0f172a; --muted:#64748b;
  --primary:#0b274a; --accent:#22c55e; --border:#e5e7eb; --radius:16px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Noto Sans',sans-serif;background:var(--bg);color:var(--ink)}
.container{max-width:1080px;margin:0 auto;padding:16px}
a{color:#0b274a;text-decoration:none}
img{max-width:100%;height:auto}
header.site{position:sticky;top:0;background:#ffffffd9;backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:10}
.btn{appearance:none;border:1px solid var(--border);padding:12px 14px;border-radius:12px;font-weight:700;cursor:pointer;background:#fff;color:var(--ink)}
.btn.primary{background:#0b274a;color:#fff;border-color:#0b274a}
.btn.secondary{background:#22c55e;color:#052a18;border-color:#16a34a}
.btn:focus{outline:none;box-shadow:0 0 0 3px rgba(34,197,94,.35)}
.hero{padding:24px 0;border-bottom:1px solid var(--border);text-align:center}
.hero h1{font-size:clamp(26px,4.5vw,40px);margin:6px 0}
.hero p{color:var(--muted);margin:0 0 12px}
.cta{display:flex;flex-direction:column;gap:10px;align-items:center}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.band{background:linear-gradient(180deg,#eef6ff,#f2fff8);border:1px solid var(--border);border-radius:16px;padding:16px}
footer{margin:24px 0;color:var(--muted);font-size:14px}
.list{margin:6px 0 0 18px;color:#334155}
.grid{display:grid;gap:12px}
.two{grid-template-columns:1fr}
@media(min-width:900px){.two{grid-template-columns:1.1fr 1fr}}