*, *::before, *::after { box-sizing: border-box; }
  :root {
    --bg: #0f0f13;
    --bg2: #16161d;
    --border: #2a2a38;
    --text: #e2e2e8;
    --muted: #8b8ba3;
    --accent: #ff3c3c;
    --green: #3cffa0;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  }
  html, body { min-height: 100%; margin: 0; font-family: var(--sans); background: var(--bg); color: var(--text); color-scheme: dark; }
  html.i18n-loading body { visibility: hidden; }
  body {
    background:
      radial-gradient(circle at top left, rgba(255,60,60,.12), transparent 28%),
      radial-gradient(circle at top right, rgba(60,255,160,.08), transparent 24%),
      linear-gradient(180deg, #0f0f13 0%, #101018 100%);
  }
  .wrap { width: min(980px, calc(100% - 24px)); margin: 0 auto; padding: 18px 0 40px; }
  .top {
    display: flex; justify-content: space-between; gap: 16px; align-items: center;
    padding: 14px 18px; border: 1px solid var(--border); border-radius: 18px;
    background: rgba(22,22,29,.85); backdrop-filter: blur(16px);
  }
  .brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
  .logo { width: 48px; height: 48px; border-radius: 14px; background: var(--accent); display: grid; place-items: center; flex: 0 0 auto; }
  .logo svg { width: 24px; height: 24px; }
  h1 { margin: 0; font-size: clamp(22px, 3vw, 32px); line-height: 1.1; }
  p.sub { margin: 4px 0 0; color: var(--muted); font-family: var(--mono); font-size: 12px; }
  .actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
  .lang-group { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
  .lang {
    display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
    min-width: 52px; min-height: 38px;
    color: var(--muted); text-decoration: none; font-family: var(--mono); font-size: 12px; line-height: 1;
    border: 1px solid var(--border); background: rgba(255,255,255,.03); padding: 0 14px; border-radius: 999px;
  }
  .lang.active { color: #fff; border-color: transparent; background: var(--accent); }
  .navlink {
    display: inline-flex; align-items: center; justify-content: center; text-decoration: none;
    min-height: 48px;
    border-radius: 14px; padding: 10px 18px; border: 1px solid var(--border); color: var(--text); background: rgba(255,255,255,.03);
  }
  .panel { margin-top: 18px; padding: 24px; border: 1px solid var(--border); border-radius: 22px; background: rgba(22,22,29,.88); }
  .panel h2 { margin: 0 0 10px; font-size: 22px; }
  .panel p { margin: 0; line-height: 1.8; color: var(--text); }
  .panel ul { margin: 14px 0 0 18px; padding: 0; color: var(--muted); line-height: 1.8; }
  .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
  .card { padding: 22px; border: 1px solid var(--border); border-radius: 20px; background: rgba(22,22,29,.84); }
  .card h3 { margin: 0 0 10px; font-size: 18px; }
  .card p, .card li { color: var(--muted); line-height: 1.75; }
  .card ul { margin: 10px 0 0 18px; padding: 0; }
  footer {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 11px;
    padding: 0 4px;
  }
  .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    align-items: center;
    justify-content: flex-end;
  }
  .footer-links a {
    color: var(--muted);
    text-decoration: none;
  }
  .footer-links a:hover {
    color: var(--text);
    text-decoration: underline;
  }
  @media (max-width: 820px) {
    .top, .grid { grid-template-columns: 1fr; display: grid; }
    .actions { justify-content: flex-start; }
    .lang-group { justify-content: flex-start; }
  }