:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --text:#172033;
  --muted:#5f6b7a;
  --line:#e4e9f1;
  --brand:#2563eb;
  --brand-dark:#1e40af;
  --soft:#eef4ff;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav-wrap{max-width:1120px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-weight:800;color:var(--text);font-size:20px;letter-spacing:-.02em}.brand span{color:var(--brand)}
.nav-links{display:flex;flex-wrap:wrap;gap:14px;font-size:14px}.nav-links a{color:var(--muted);font-weight:600}.nav-links a:hover{color:var(--brand);text-decoration:none}
.hero{background:linear-gradient(135deg,#eff6ff,#fff);border-bottom:1px solid var(--line)}
.hero-inner{max-width:1120px;margin:0 auto;padding:58px 22px 44px}.hero h1{margin:0 0 16px;font-size:clamp(32px,5vw,56px);line-height:1.05;letter-spacing:-.05em}.hero p{max-width:780px;margin:0;color:var(--muted);font-size:18px}.actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 18px;font-weight:700;border:1px solid var(--line);background:#fff;color:var(--text)}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-dark);text-decoration:none}.btn:hover{text-decoration:none;border-color:#b8c3d6}
main{max-width:1120px;margin:0 auto;padding:34px 22px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.card h2,.card h3{margin:0 0 10px;line-height:1.25}.card p{color:var(--muted);margin:0 0 12px}.content{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:0 10px 30px rgba(15,23,42,.05)}.content h2{margin-top:30px}.content h2:first-child{margin-top:0}.content p,.content li{color:var(--muted)}.content ul,.content ol{padding-left:22px}.note{background:var(--soft);border:1px solid #dbeafe;border-radius:16px;padding:16px;color:#274060;margin:20px 0}.table{width:100%;border-collapse:collapse;margin:18px 0}.table th,.table td{border:1px solid var(--line);padding:12px;text-align:left}.table th{background:#f8fafc}.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item:last-child{border-bottom:0}.site-footer{border-top:1px solid var(--line);background:#fff;margin-top:36px}.footer-inner{max-width:1120px;margin:0 auto;padding:24px 22px;color:var(--muted);font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.footer-links a{color:var(--muted)}
@media(max-width:820px){.nav-wrap{align-items:flex-start;flex-direction:column}.grid{grid-template-columns:1fr}.content{padding:22px}.hero-inner{padding:40px 22px}}