:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #1b1f2a;
  --muted: #5b6475;
  --line: #e3e6ee;
  --teal: #2ec4b6;
  --blue: #3a5bd9;
  --accent: #3a5bd9;
  --lit: #b88a00;
  --radius: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11141c;
    --surface: #1a1e29;
    --text: #eef1f7;
    --muted: #a3abbd;
    --line: #2a3040;
    --accent: #7f98ff;
    --lit: #ffe27a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--accent); }

header.top {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

header.top a.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

header.top img { width: 36px; height: 36px; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px 64px;
}

h1 { font-size: 34px; line-height: 1.2; margin: 24px 0 8px; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p.lead { font-size: 19px; color: var(--muted); margin-top: 0; }
.updated { color: var(--muted); font-size: 14px; }

.hero {
  margin: 16px 0 32px;
  padding: 36px 24px;
  border-radius: var(--radius);
  background: linear-gradient(45deg, var(--teal), var(--blue));
  color: #fff;
  text-align: center;
}
.hero img { width: 112px; height: 112px; }
.hero h1 { margin-top: 12px; }
.hero p { margin: 0 auto; max-width: 520px; font-size: 19px; }
.hero .soon {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-weight: 600;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h3 { margin: 0 0 4px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin: 16px 0;
}

ol.steps li, ul li { margin: 4px 0; }

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(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }

footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
}
footer a { color: var(--muted); margin-right: 16px; }