:root {
    --bg: #fbfaf7; --text: #1f2328; --muted: #57606a; --accent: #0b5d8a;
    --line: #d8dee4; --card: #ffffff; --soft: #eef4f8;
  }
  @media (prefers-color-scheme: dark) {
    :root { --bg: #14171a; --text: #e6e6e6; --muted: #a0a8b0; --accent: #6cb6e8;
            --line: #30363d; --card: #1b1f24; --soft: #1f2a33; }
  }
  * { box-sizing: border-box; }
  body { margin: 0; background: var(--bg); color: var(--text);
         font: 17px/1.6 Georgia, Cambria, "Times New Roman", serif; }
  main { max-width: 860px; margin: 0 auto; padding: 24px 16px 64px; }
  header { border-bottom: 2px solid var(--accent); padding-bottom: 16px; margin-bottom: 8px; }
  .code { color: var(--accent); font: 600 14px/1.4 system-ui, sans-serif; letter-spacing: .06em; text-transform: uppercase; margin: 0; }
  h1 { font-size: 34px; line-height: 1.2; margin: 6px 0 8px; }
  .meta { color: var(--muted); margin: 0; font-size: 16px; }
  nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 16px 0 8px; font: 15px system-ui, sans-serif; }
  nav a { color: var(--accent); text-decoration: none; }
  nav a:hover { text-decoration: underline; }
  h2 { font-size: 24px; margin: 40px 0 12px; padding-top: 8px; border-top: 1px solid var(--line); }
  h3 { font-size: 18px; margin: 22px 0 6px; }
  a { color: var(--accent); overflow-wrap: anywhere; }
  p, li { overflow-wrap: break-word; }
  .card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
  .team { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
  .team .role { color: var(--muted); font-size: 15px; margin: 0; }
  .team .name { font-weight: 700; margin: 0 0 2px; }
  .team .name a { text-decoration: none; }
  .team .name a:hover { text-decoration: underline; }
  .team .li { font: 14px system-ui, sans-serif; margin: 6px 0 0; }
  .table-wrap { overflow-x: auto; }
  table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
  th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
  th { background: var(--soft); }
  td.nowrap { white-space: nowrap; }
  ul { padding-left: 22px; }
  li { margin: 4px 0; }
  .tb { background: var(--soft); border-radius: 6px; padding: 8px 12px; margin: 6px 0; }
  .note { color: var(--muted); font-size: 15px; }
  footer { margin-top: 48px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
  .ann { border-left: 4px solid var(--accent); padding: 4px 0 4px 14px; margin: 18px 0; }
  .ann .date { color: var(--muted); font: 600 14px system-ui, sans-serif; margin: 0; }
  .ann h3 { margin: 4px 0 6px; }
  .ann.past { border-left-color: var(--line); }