:root {
  --ink: #202122;
  --muted: #54595d;
  --blue: #36c;
  --blue-hover: #0645ad;
  --line: #a2a9b1;
  --soft-line: #eaecf0;
  --paper: #ffffff;
  --soft: #f8f9fa;
  --notice: #fef6e7;
  --good: #eaf3ff;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 15px; line-height: 1.6; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-hover); text-decoration: underline; }
p { margin: 0.4em 0 0.9em; }
ul { margin-top: 0.35em; }
li { margin: 0.18em 0; }
code { background: var(--soft); border: 1px solid var(--soft-line); padding: 1px 4px; border-radius: 2px; }
.topbar { border-bottom: 1px solid var(--soft-line); background: #fff; min-height: 50px; display: flex; align-items: center; gap: 18px; padding: 0 24px; position: sticky; top: 0; z-index: 30; }
.wordmark { font-family: var(--serif); font-size: 23px; letter-spacing: -0.3px; color: var(--ink); white-space: nowrap; }
.wordmark small { display: block; font-family: var(--sans); font-size: 10px; letter-spacing: 1.7px; text-transform: uppercase; color: var(--muted); margin-top: -7px; }
.search { flex: 1; max-width: 620px; display: flex; height: 34px; border: 1px solid var(--line); background: #fff; }
.search input { flex: 1; border: 0; padding: 0 10px; font-size: 14px; outline: none; }
.search button { border: 0; border-left: 1px solid var(--line); background: var(--soft); padding: 0 14px; font-weight: 600; color: var(--ink); }
.toplinks { display: flex; gap: 12px; font-size: 13px; white-space: nowrap; }
.layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); max-width: 1380px; margin: 0 auto; }
.sidebar { border-right: 1px solid var(--soft-line); padding: 24px 18px; min-height: calc(100vh - 50px); background: #fff; font-size: 14px; }
.sidebar .side-title { font-weight: 700; margin: 0 0 8px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.sidebar a { display: block; padding: 3px 0; }
.sidebar a.active { font-weight: 700; color: var(--ink); }
.content-wrap { padding: 22px 32px 60px; }
.page-tabs { display: flex; gap: 16px; border-bottom: 1px solid var(--line); margin-bottom: 16px; font-size: 14px; }
.page-tabs a { padding: 8px 0 7px; color: var(--ink); }
.page-tabs a.active { border-bottom: 2px solid var(--ink); font-weight: 600; }
h1 { font-family: var(--serif); font-size: 37px; line-height: 1.2; font-weight: 400; border-bottom: 1px solid var(--line); margin: 0 0 8px; padding-bottom: 5px; }
.subtitle { color: var(--muted); margin-bottom: 14px; }
h2 { font-family: var(--serif); font-size: 25px; font-weight: 400; border-bottom: 1px solid var(--line); margin: 28px 0 10px; padding-bottom: 3px; }
h3 { font-size: 18px; margin: 18px 0 6px; }
.article { max-width: 1060px; }
.lead { font-size: 16px; }
.infobox { float: right; width: 320px; margin: 0 0 18px 24px; border: 1px solid var(--line); background: var(--soft); font-size: 13px; }
.infobox-title { text-align: center; font-size: 20px; font-weight: 700; padding: 8px; background: #d8e8ff; border-bottom: 1px solid var(--line); }
.infobox img { width: 100%; display: block; background: #fff; padding: 8px; }
.infobox-caption { padding: 5px 8px 9px; color: var(--muted); text-align: center; background: #fff; border-bottom: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: 96px 1fr; border-top: 1px solid var(--soft-line); }
.info-row b { padding: 7px 8px; background: #eef3f8; }
.info-row span { padding: 7px 8px; background: #fff; }
.toc { border: 1px solid var(--line); background: var(--soft); display: inline-block; padding: 10px 14px; min-width: 270px; margin: 10px 0 18px; font-size: 14px; }
.toc-title { text-align: center; font-weight: 700; margin-bottom: 4px; }
.toc ol { margin: 0; padding-left: 22px; }
.notice { border: 1px solid #c8ccd1; background: var(--notice); padding: 10px 12px; margin: 14px 0; font-size: 14px; }
.askbox { border: 1px solid var(--line); background: var(--good); padding: 12px 14px; margin: 16px 0; }
.askbox strong { display: block; margin-bottom: 4px; }
.ask-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 8px; }
.ask-grid a { background: #fff; border: 1px solid var(--soft-line); padding: 7px 8px; }
.wikitable { border-collapse: collapse; width: 100%; margin: 10px 0 18px; background: #fff; font-size: 14px; }
.wikitable th, .wikitable td { border: 1px solid var(--line); padding: 7px 9px; vertical-align: top; }
.wikitable th { background: #eaecf0; text-align: left; }
.wikitable caption { text-align: left; font-weight: 700; margin-bottom: 5px; }
.columns { column-count: 2; column-gap: 34px; }
.columns h3 { break-after: avoid; }
.ref-list { font-size: 13px; color: var(--muted); }
.category-bar { border: 1px solid var(--line); background: var(--soft); padding: 8px 10px; margin-top: 32px; font-size: 13px; }
.stub { border: 1px solid #c8ccd1; background: #f8f9fa; padding: 10px 12px; font-size: 14px; margin: 12px 0; }
@media (max-width: 960px) { .layout { grid-template-columns: 1fr; } .sidebar { display: none; } .content-wrap { padding: 18px 18px 50px; } .infobox { float: none; width: 100%; margin: 0 0 16px; } .toplinks { display: none; } .search { max-width: none; } .columns { column-count: 1; } .ask-grid { grid-template-columns: 1fr; } }