:root{
  --bg:#f8fafc;--card:#fff;--primary:#0f172a;--blue:#2563eb;--blue2:#1d4ed8;
  --green:#16a34a;--text:#1e293b;--muted:#64748b;--border:#e2e8f0;--warn:#facc15;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:auto;padding:0 22px}
header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{font-weight:900;font-size:22px;color:var(--primary)}
.nav{display:flex;gap:18px;color:var(--muted);font-weight:600;font-size:14px}
.btn,.btn2{display:inline-block;border:0;border-radius:12px;padding:13px 18px;font-weight:800;cursor:pointer}
.btn{background:var(--blue);color:#fff}.btn:hover{background:var(--blue2)}
.btn2{background:#eef2ff;color:#1e3a8a}
.hero{padding:54px 0 34px;text-align:center}
.kicker{display:inline-block;background:#eff6ff;color:var(--blue);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:800;margin-bottom:14px}
h1{font-size:clamp(31px,5vw,52px);line-height:1.08;color:var(--primary);letter-spacing:-.04em;margin-bottom:16px}
.lead{max-width:760px;margin:0 auto;color:var(--muted);font-size:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:0 10px 28px rgba(15,23,42,.06);padding:24px}
.card h2,.card h3{color:var(--primary);line-height:1.2;margin-bottom:10px}
.card p{color:var(--muted)}
.section{padding:26px 0}
.calc{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:start;margin-top:28px}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.group{display:flex;flex-direction:column;gap:7px}
label{font-size:14px;font-weight:800;color:#334155}
input,select{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:16px;background:#f8fafc;color:var(--text)}
input:focus,select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12);background:#fff}
.full{grid-column:1/-1}
.result{background:var(--primary);color:#fff}
.result h2{color:#fff}
.pricebox{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:22px;text-align:center;margin:16px 0}
.pricebox small{color:#cbd5e1;font-weight:700}
.price{font-size:42px;line-height:1.1;color:#22c55e;font-weight:950;margin-top:8px}
.row{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(255,255,255,.12);padding:12px 0}
.row strong{white-space:nowrap}
.note{font-size:13px;color:#94a3b8;margin-top:12px;text-align:center}
.alert{display:none;background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:12px;padding:12px;margin-bottom:14px;font-weight:700}
.list{display:grid;gap:11px;margin-top:14px}
.linkitem{display:flex;justify-content:space-between;gap:14px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px}
.linkitem:hover{border-color:#93c5fd;box-shadow:0 8px 22px rgba(37,99,235,.09)}
.badge{background:#f1f5f9;color:#475569;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--border)}
.table th,.table td{padding:14px;border-bottom:1px solid var(--border);text-align:left}.table th{background:#f1f5f9;color:var(--primary)}
.faq details{background:#fff;border:1px solid var(--border);border-radius:14px;margin:10px 0;padding:14px}
.faq summary{font-weight:900;color:var(--primary);cursor:pointer}
.footer{margin-top:36px;padding:28px 0;color:var(--muted);border-top:1px solid var(--border);text-align:center}
.breadcrumb{font-size:13px;color:var(--muted);padding-top:18px}.breadcrumb a{color:var(--blue);font-weight:800}
@media(max-width:850px){.calc{grid-template-columns:1fr}.formgrid{grid-template-columns:1fr}.nav{display:none}.header{height:64px} .price{font-size:34px}}