:root {
  --navy: #0b2a6f;
  --blue: #1550c8;
  --gold: #f5b82e;
  --bg: #f3f6fc;
  --ink: #0f172a;
  --muted: #5b6b82;
  --line: #e2e8f0;
  --red: #dc2626;
  --green: #16a34a;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 "Inter", "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--blue); }
header.top { background: linear-gradient(135deg, var(--navy), var(--blue)); color: #fff; }
header.top .bar { max-width: 920px; margin: 0 auto; padding: 18px 16px; display: flex; align-items: center; gap: 12px; }
header.top img { width: 46px; height: 46px; border-radius: 12px; background: #fff; }
header.top .brand { font-weight: 800; font-size: 19px; line-height: 1.2; }
header.top .brand small { display: block; font-weight: 500; font-size: 12.5px; opacity: .85; }
header.top nav { margin-left: auto; display: flex; gap: 14px; flex-wrap: wrap; }
header.top nav a { color: #fff; text-decoration: none; font-size: 14px; font-weight: 600; opacity: .9; }
header.top nav a:hover, header.top nav a.on { opacity: 1; border-bottom: 2px solid var(--gold); }
.hero { max-width: 920px; margin: 0 auto; padding: 26px 16px 8px; }
.hero h1 { margin: 0 0 4px; font-size: 30px; color: var(--navy); line-height: 1.2; }
.hero p { margin: 0; color: var(--muted); }
main { max-width: 920px; margin: 0 auto; padding: 12px 16px 40px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px 22px; margin: 14px 0; box-shadow: 0 1px 2px rgba(15, 23, 42, .04); }
.card h2 { margin: 0 0 10px; font-size: 19px; color: var(--navy); display: flex; align-items: center; gap: 10px; }
.card h2 .n { flex: none; width: 28px; height: 28px; border-radius: 8px; background: rgba(21, 80, 200, .1); color: var(--blue); font-size: 14px; display: grid; place-items: center; }
.card h3 { margin: 16px 0 6px; font-size: 16px; }
.card p { margin: 8px 0; }
.card ul { margin: 6px 0; padding-left: 22px; }
.card li { margin: 4px 0; }
.toc { columns: 2; column-gap: 24px; padding-left: 20px; margin: 4px 0; }
.toc li { margin: 3px 0; break-inside: avoid; }
.note { background: #fff7e6; border: 1px solid #fde3a7; border-radius: 12px; padding: 12px 14px; margin: 10px 0; }
.ok { background: #eaf7ef; border: 1px solid #bfe6cd; border-radius: 12px; padding: 12px 14px; }
.err { background: #fdecec; border: 1px solid #f6c3c3; color: #991b1b; border-radius: 12px; padding: 10px 14px; margin: 10px 0; display: none; }
table { width: 100%; border-collapse: collapse; margin: 8px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f6f8fd; color: var(--navy); font-size: 14px; }
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 8px; }
.contact a { display: block; text-align: center; padding: 12px 8px; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; font-weight: 700; color: var(--navy); background: #fff; }
.contact a span { display: block; font-weight: 500; font-size: 13px; color: var(--muted); word-break: break-all; }
label { display: block; font-weight: 700; font-size: 14px; margin: 14px 0 6px; }
input[type=tel], input[type=text] { width: 100%; padding: 13px 14px; font-size: 17px; border: 1.5px solid #cbd5e1; border-radius: 12px; outline: none; }
input:focus { border-color: var(--blue); }
.pre { display: flex; align-items: center; border: 1.5px solid #cbd5e1; border-radius: 12px; overflow: hidden; background: #fff; }
.pre:focus-within { border-color: var(--blue); }
.pre b { padding: 0 12px; color: var(--muted); }
.pre input { border: 0; border-radius: 0; }
button { width: 100%; margin-top: 16px; padding: 14px; font-size: 16px; font-weight: 800; border: 0; border-radius: 12px; cursor: pointer; background: var(--blue); color: #fff; }
button.danger { background: var(--red); }
button:disabled { opacity: .55; cursor: default; }
.check { display: flex; gap: 10px; align-items: flex-start; margin-top: 14px; font-weight: 500; }
.check input { margin-top: 5px; width: 18px; height: 18px; }
.steps { display: flex; gap: 8px; margin: 4px 0 6px; }
.steps span { flex: 1; text-align: center; font-size: 12.5px; font-weight: 700; padding: 7px 4px; border-radius: 20px; background: #eef2f8; color: var(--muted); }
.steps span.on { background: var(--blue); color: #fff; }
.hide { display: none; }
footer { text-align: center; color: var(--muted); font-size: 13.5px; padding: 20px 16px 36px; }
footer a { margin: 0 6px; }
@media (max-width: 640px) {
  header.top .bar { flex-wrap: wrap; }
  header.top nav { margin-left: 0; width: 100%; }
  .hero h1 { font-size: 25px; }
  .card { padding: 18px 16px; }
  .toc { columns: 1; }
  .contact { grid-template-columns: 1fr; }
  table { font-size: 14px; }
}