.lt .fc{--fc-line:color-mix(in srgb,var(--ink) 20%,transparent);--fc-ie:var(--blue);--fc-ie-ink:#3149c9;--fc-ie-bg:color-mix(in srgb,var(--blue) 8%,var(--paper));--fc-body:color-mix(in srgb,var(--ink) 84%,var(--paper));display:grid;grid-template-columns:220px minmax(0,1fr);grid-gap:64px;gap:64px;align-items:start;padding-block:72px 48px}html[data-theme=dark] .lt .fc{--fc-ie:#7d93ff;--fc-ie-ink:#a9b8ff;--fc-ie-bg:color-mix(in srgb,#7d93ff 12%,var(--paper))}.lt .fc-nav{position:-webkit-sticky;position:sticky;top:110px;max-height:calc(100dvh - 130px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.lt .fc-nav-label{font-size:13px;font-weight:600;color:var(--gray);margin-bottom:10px}.lt .fc-nav ol{list-style:none;margin:0;padding:0;display:grid;grid-gap:1px;gap:1px}.lt .fc-nav a{display:flex;gap:10px;align-items:baseline;padding:6px 10px;border-radius:5px;color:var(--gray);text-decoration:none;font-size:14px;font-weight:500;line-height:1.35;transition:background-color .2s cubic-bezier(.16,1,.3,1),color .2s cubic-bezier(.16,1,.3,1)}.lt .fc-nav a:hover,.lt .fc-nav a[aria-current=location]{color:var(--ink);background:var(--cloud)}.lt .fc-nav a[aria-current=location]{font-weight:600}.lt .fc-nav-n{min-width:18px;font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--gray)}.lt .fc-body{min-width:0;max-width:900px}.lt .fc-ch{padding-block:64px;border-top:1px solid var(--cloud)}.lt .fc-ch:first-child{padding-top:0;border-top:0}.lt .fc-ch h2{font-size:clamp(30px,3.6vw,46px);line-height:1.06;letter-spacing:-.03em;max-width:22ch}.lt .fc-n{color:var(--gray);font-weight:500;margin-right:.45em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lt .fc-lede{margin-top:18px;font-size:clamp(19px,2vw,23px);line-height:1.4;color:var(--gray);max-width:58ch;text-wrap:pretty}.lt .fc-ch>.fc-list,.lt .fc-ch>p{margin-top:18px;font-size:18px;line-height:1.65;color:var(--fc-body);max-width:68ch;text-wrap:pretty}.lt .fc-ch 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.fc-svg{display:block;width:100%;height:auto;min-width:620px}.lt .fc-svg text{font-family:var(--font);fill:var(--ink)}.lt .fc-svg .t-xs{font-size:14px}.lt .fc-svg .t-s{font-size:15px}.lt .fc-svg .t-m{font-size:17px}.lt .fc-svg .t-l{font-size:22px;letter-spacing:-.01em}.lt .fc-svg .t-b{font-weight:600}.lt .fc-svg .t-g{fill:var(--gray)}.lt .fc-svg .t-ie{fill:var(--fc-ie-ink)}.lt .fc-svg .box,.lt .fc-svg .t-on{fill:var(--paper)}.lt .fc-svg .box{stroke:var(--fc-line);stroke-width:1.5}.lt .fc-svg .box-ie{fill:var(--fc-ie-bg);stroke:var(--fc-ie);stroke-width:1.5}.lt .fc-svg .zone{fill:var(--cloud)}.lt .fc-svg .core,.lt .fc-svg .pillbox{fill:var(--charcoal)}.lt .fc-svg .axis{stroke:var(--ink);stroke-width:1.5}.lt .fc-svg .tick{stroke:var(--fc-line);stroke-width:1.5}.lt .fc-svg .dot{fill:var(--paper);stroke:var(--ink);stroke-width:2.5}.lt .fc-svg .flow{fill:none;stroke:var(--gray);stroke-width:1.5}.lt .fc-svg .dashed{stroke-dasharray:6 5}.lt .fc-svg .arrowhead{fill:var(--gray)}.lt .fc-svg 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