:root {
  --bg: #f7f5ef;
  --surface: #ffffff;
  --ink: #1d2433;
  --ink2: #5a6478;
  --line: #e6e1d6;
  --brand: #2f5bd3;
  --brand-soft: #e7edfd;
  --accent: #f2a93b;
  --radius: 18px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151d;
    --surface: #1b2030;
    --ink: #eef1f8;
    --ink2: #a8b1c6;
    --line: #2b3247;
    --brand: #7c9cff;
    --brand-soft: #232c48;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--brand); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; }
.logo img { width: 34px; height: 34px; border-radius: 10px; }
nav.links { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
nav.links a { padding: 6px 10px; border-radius: 999px; text-decoration: none; color: var(--ink2); font-weight: 700; font-size: 14px; }
nav.links a[aria-current="page"], nav.links a:hover { background: var(--brand-soft); color: var(--brand); }
.langs { display: flex; gap: 4px; }
.langs button {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink2);
  padding: 4px 10px; border-radius: 999px; font: inherit; font-size: 13px; font-weight: 800; cursor: pointer;
}
.langs button[aria-pressed="true"] { background: var(--brand); border-color: var(--brand); color: #fff; }
main { padding: 28px 0 56px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
h1 { font-size: clamp(26px, 5vw, 36px); line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
.meta { color: var(--ink2); font-size: 14px; margin: 0 0 18px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 8px 0; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { color: var(--ink2); font-weight: 800; }
.table-scroll { overflow-x: auto; }
.note { background: var(--brand-soft); border-radius: 14px; padding: 14px 16px; margin: 14px 0; }
.hero { display: grid; gap: 18px; text-align: center; padding: 24px 0; }
.hero img { width: 112px; height: 112px; border-radius: 28px; margin: 0 auto; box-shadow: 0 10px 30px rgba(0,0,0,.12); }
.hero p { color: var(--ink2); font-size: 18px; max-width: 620px; margin: 0 auto; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 22px; }
.grid .card h3 { margin: 0 0 6px; font-size: 17px; }
.grid .card p { margin: 0; color: var(--ink2); font-size: 15px; }
ol.steps { padding-left: 22px; }
ol.steps li { margin: 6px 0; }
footer { border-top: 1px solid var(--line); color: var(--ink2); font-size: 14px; padding: 20px 0 32px; }
footer .wrap { display: flex; gap: 14px; flex-wrap: wrap; justify-content: space-between; }
[data-lang] { display: none; }
[data-lang].on { display: block; }
span[data-lang].on { display: inline; }