:root{--ink: #080808;--muted: #4d4d4d;--line: #e8e8e8;--soft: #f6f6f6;--panel: #fff;--blue: #405875;--blue-dark: #2f435e;--max: 1200px;--shadow: 0 18px 42px rgba(0, 0, 0, .09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.65;font-size:16px}a{color:inherit}p{margin:0 0 18px}.serif,h1,h2,h3{font-family:Georgia,Times New Roman,serif;line-height:1.14;letter-spacing:-.025em}h1{font-size:clamp(42px,6vw,76px);margin:0 0 18px}h2{font-size:clamp(30px,4vw,48px);margin:0 0 16px}h3{font-size:22px;margin:0 0 12px}h4{font-size:18px;margin:24px 0 10px;font-family:Inter,system-ui,sans-serif;font-weight:700}.top{background:#fff;border-bottom:1px solid #f1f1f1;position:sticky;top:0;z-index:50}.bar{max-width:var(--max);margin:auto;min-height:104.625px;padding:20px 0 5px;display:grid;grid-template-columns:354.6px 1fr auto;align-items:center;gap:20px}.logo{font-weight:800;letter-spacing:.08em;text-decoration:none;font-size:22px;display:block}.logo img{display:block;width:354.6px;height:99.2px;max-width:none}.nav{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;align-items:center;font-size:13px;font-weight:700}.nav a{text-decoration:none;color:#102033;opacity:.94}.nav a:hover{color:#0d01b2;opacity:1}.contact{border:3px solid #000;background:#fff;color:#000;padding:11px 18px;text-decoration:none;font-size:12px;font-weight:700;white-space:nowrap}.contact:hover{background:#0d01b2;color:#fff}.wrap{max-width:var(--max);margin:auto;padding:72px 28px}.lead{max-width:760px;color:var(--muted);font-size:1.05rem}.card{margin-top:28px;background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.bar-end{display:flex;align-items:center;gap:10px;justify-self:end}.header-auth{position:relative}.team-sign-in{border:3px solid #000;background:#fff;color:#000;padding:11px 18px;cursor:pointer;font:inherit;font-size:12px;font-weight:700;white-space:nowrap}.team-sign-in:hover,.team-sign-in[aria-expanded=true]{background:#0d01b2;color:#fff}.breadcrumb{margin:0 0 24px;font-size:.92rem}.breadcrumb a{color:var(--blue);text-decoration:none;font-weight:600}.breadcrumb a:hover{text-decoration:underline}.chapter-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}.chapter-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}.chapter-list a{color:var(--blue);font-weight:700;text-decoration:none;font-family:Georgia,Times New Roman,serif;font-size:1.12rem}.chapter-list a:hover{text-decoration:underline}.chapter-list p{margin:8px 0 0;color:var(--muted);font-size:.94rem}.chapter-nav{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.94rem}.chapter-nav a{color:var(--blue);font-weight:600;text-decoration:none}.chapter-nav a:hover{text-decoration:underline}.wiki-body h2{font-size:clamp(22px,3vw,28px);margin:36px 0 14px}.wiki-body h2:first-child{margin-top:0}.wiki-body ul,.wiki-body ol{margin:0 0 18px;padding-left:1.4em}.wiki-body li{margin-bottom:8px}.wiki-table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:.94rem}.wiki-table th,.wiki-table td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}.wiki-table th{background:var(--soft);font-weight:700;font-size:.88rem}.wiki-table tbody tr:nth-child(2n){background:#fafafa}.citations{margin-top:36px;padding-top:18px;border-top:1px solid var(--line);font-size:.88rem;color:var(--muted)}.citations h2{font-size:1.1rem;margin-bottom:12px}.citations ol{margin:0;padding-left:1.4em}.citations li{margin-bottom:10px}.caveat{margin:18px 0;padding:12px 16px;border-left:4px solid var(--blue);background:#f4f7fa;font-size:.92rem;color:var(--muted)}.uncertainty{font-style:italic;color:var(--muted)}.glossary-term{margin-bottom:24px}.glossary-term dt{font-weight:700;font-family:Georgia,Times New Roman,serif;font-size:1.05rem;margin-bottom:6px}.glossary-term dd{margin:0;color:var(--ink)}.wiki-pre{margin:0 0 18px;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow-x:auto;font-size:.88rem;line-height:1.5;white-space:pre-wrap}.meta{margin-top:32px;color:var(--muted);font-size:.88rem;border-top:1px solid var(--line);padding-top:18px}@media(max-width:900px){.bar{grid-template-columns:1fr auto;grid-template-areas:"logo end" "nav nav";min-height:auto}.logo{grid-area:logo}.nav{grid-area:nav;justify-content:flex-start;gap:18px}.bar-end{grid-area:end}.wiki-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}}