:root {
  --bg: #fbf8f4;
  --surface: #ffffff;
  --text: #1f1b24;
  --muted: #5c5566;
  --accent: #8e4f9e;
  --accent-soft: #f2e8f5;
  --green: #2e8b57;
  --line: #e7e0ea;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17141b;
    --surface: #211d27;
    --text: #f1edf4;
    --muted: #b3aabd;
    --accent: #c792d4;
    --accent-soft: #2d2433;
    --green: #5cc98b;
    --line: #352e3c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--line); background: var(--surface); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
nav a { margin-left: 16px; text-decoration: none; color: var(--muted); font-size: 16px; }
nav a:hover, nav a[aria-current] { color: var(--accent); }
.hero { padding: 48px 0 24px; display: grid; grid-template-columns: 1fr; gap: 28px; }
.hero h1 { font-size: clamp(30px, 6vw, 46px); line-height: 1.15; margin: 0 0 12px; }
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 20px; }
.hero img.banner { width: 100%; height: auto; border-radius: 16px; display: block; border: 1px solid var(--line); }
.badge { display: inline-block; background: var(--accent-soft); color: var(--accent); padding: 4px 12px; border-radius: 999px; font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 12px 22px; border-radius: 12px; text-decoration: none; font-weight: 600; }
@media (prefers-color-scheme: dark) { .btn { color: #17141b; } }
section { padding: 28px 0; }
h2 { font-size: 28px; margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; }
.card h3 { margin: 0 0 8px; font-size: 20px; }
.card ul { margin: 0; padding-left: 20px; }
.card li { margin: 6px 0; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; position: relative; padding: 0 0 14px 48px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--bg); display: grid; place-items: center; font-weight: 700; }
.note { background: var(--accent-soft); border-radius: 16px; padding: 18px 22px; }
.doc { padding-top: 40px; padding-bottom: 40px; }
.doc h1 { font-size: clamp(28px, 5vw, 38px); line-height: 1.2; margin: 0 0 6px; }
.doc h2 { font-size: 24px; margin-top: 32px; }
.doc .meta { color: var(--muted); margin: 0 0 24px; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 16px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--muted); font-weight: 600; }
.table-scroll { overflow-x: auto; }
footer { border-top: 1px solid var(--line); margin-top: 32px; padding: 24px 0 40px; color: var(--muted); font-size: 15px; }
footer p { margin: 4px 0; }
@media (min-width: 760px) {
  .hero { grid-template-columns: 1fr 1fr; align-items: center; padding-top: 64px; }
}
@media (max-width: 420px) { nav a { margin-left: 10px; font-size: 15px; } .brand span { display: none; } }
@media (max-width: 340px) { nav a { margin-left: 8px; font-size: 14px; } }