:root {
  --bg: #f4f8ff;
  --card: #ffffff;
  --ink: #1b1530;
  --muted: #5b6080;
  --brand: #2f8cff;
  --brand-2: #56b8ff;
  --line: #e1e8f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1424;
    --card: #182036;
    --ink: #eef2ff;
    --muted: #a7b0cf;
    --brand: #5aa8ff;
    --brand-2: #7cc8ff;
    --line: #26304a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--brand); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header.top {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
}
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.logo { font-weight: 800; font-size: 22px; letter-spacing: .3px; color: #fff; text-decoration: none; }
nav a { color: #fff; text-decoration: none; margin-left: 16px; font-weight: 600; }
nav a:first-child { margin-left: 0; }
.hero { padding: 48px 0 24px; }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 12px; }
.hero p { color: var(--muted); font-size: 19px; margin: 0; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  margin: 20px 0;
}
.game { display: flex; gap: 18px; align-items: center; }
.game img { width: 112px; height: 112px; border-radius: 24px; flex: none; }
.game h2 { margin: 0 0 6px; }
.game p { margin: 0 0 8px; color: var(--muted); }
.badge { display: inline-block; background: var(--line); border-radius: 999px; padding: 2px 12px; font-size: 14px; font-weight: 600; }
.doc h1 { font-size: 32px; margin: 36px 0 4px; }
.doc .date { color: var(--muted); margin: 0 0 24px; }
.doc h2 { font-size: 22px; margin: 32px 0 8px; }
.doc li { margin: 4px 0; }
footer { color: var(--muted); font-size: 15px; padding: 32px 0 48px; border-top: 1px solid var(--line); margin-top: 40px; }
footer a { margin-right: 14px; }
@media (max-width: 560px) {
  .hero h1 { font-size: 30px; }
  .game { flex-direction: column; align-items: flex-start; }
  nav a { margin-left: 12px; }
}