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var(--lv4-ease),filter var(--lv4-quick)}.lv4 .sut-ed-chip-link:after{content:"";position:absolute;inset:-4px;border-radius:inherit}.lv4 .sut-ed-chip-link:hover{filter:brightness(1.08)}.lv4 .sut-ed-chip-link:active{transform:scale(.96)}.lv4 .sut-ed-chip-state{display:inline-flex;align-items:center;gap:4px;flex:0 0 auto;padding-right:4px;font-size:.8125rem;font-weight:600;color:var(--lv4-ink)}.lv4 .sut-ed-chip-state svg{width:15px;height:15px}.lv4 .sut-ed-empty{padding:12px 0;font-size:.9375rem;color:var(--lv4-mute)}.lv4 .sut-ed-threads{position:absolute;inset:0;z-index:2;display:none;width:100%;height:100%;overflow:visible;pointer-events:none}@media (min-width:1100px){.lv4 .sut-ed-threads{display:block}}.lv4 .sut-ed-thread{fill:none;stroke:var(--lv4-brand);stroke-width:2;stroke-linecap:round;stroke-dasharray:6 6;opacity:.75;transition:opacity var(--lv4-t)}.lv4 .sut-ed-threads g[data-state=suggested] .sut-ed-thread{opacity:.35}.lv4 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.sut-occ-modes{align-self:flex-start;display:inline-flex;gap:2px;padding:4px;border-radius:999px;background:var(--lv4-fill)}.lv4 .sut-occ-modes button{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border:0;border-radius:999px;cursor:pointer;font-size:.875rem;font-weight:600;color:var(--lv4-mute);background:none;transition:color var(--lv4-quick),background-color var(--lv4-quick)}.lv4 .sut-occ-modes button[aria-pressed=true]{color:var(--lv4-text);background:var(--sut-seg-on);box-shadow:0 1px 2px rgba(0,0,0,.08),0 6px 16px -8px rgba(0,0,0,.25)}.lv4 .sut-occ-modes button:disabled{opacity:.45;cursor:not-allowed}.lv4 .sut-occ-modes svg{width:15px;height:15px}.lv4 .sut-occ-stage{position:relative;width:100%;max-width:560px;margin-inline:auto}.lv4 .sut-heart{position:absolute;inset:0;width:100%;height:100%}.lv4 .sut-heart .sut-h-muscle{fill:var(--sut-h-muscle);stroke:var(--sut-h-muscle-line);stroke-width:1.5}.lv4 .sut-heart 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5px;max-width:100%;overflow:hidden;text-align:center;text-wrap:balance;overflow-wrap:break-word;hyphens:auto;font-size:clamp(.625rem,.55rem + .3vw,.75rem);font-weight:600;line-height:1.3;color:#fff}.lv4 .sut-occ-tag b{display:inline-grid;place-items:center;min-width:1.5em;height:1.5em;border-radius:50%;background:rgba(255,255,255,.24);font-size:.92em}.lv4 button.sut-occ-region{border:0;cursor:pointer;font:inherit;color:var(--lv4-on-fill);background:var(--lv4-fill-mid);box-shadow:0 8px 20px -10px color-mix(in srgb,var(--lv4-brand) 70%,transparent);transition:background-color var(--lv4-quick) var(--lv4-ease),color var(--lv4-quick)}.lv4 button.sut-occ-region span{font-size:clamp(.6875rem,.6rem + .3vw,.8125rem);font-weight:700;line-height:1.2;text-align:center;text-wrap:balance}.lv4 button.sut-occ-region[data-open]{color:var(--lv4-ink);background:var(--lv4-surface);box-shadow:inset 0 0 0 2px var(--lv4-brand)}.lv4 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40%,transparent)}@media (pointer:coarse){.lv4 .sut-occ-structures button{min-height:44px}}.lv4 .sut-occ-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.lv4 .sut-occ-actions .lv4-btn:disabled{opacity:.5;cursor:not-allowed;filter:none}.lv4 .sut-occ-actions svg{width:16px;height:16px}.lv4 .sut-occ-result:empty{margin-top:-14px}.lv4 .sut-occ-deck{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:16px;font-size:.9375rem;font-weight:600;color:var(--lv4-text);background:var(--lv4-tint)}.lv4 .sut-ink{display:flex;flex-direction:column;margin:calc(-1 * var(--tile-pad)) calc(-1 * var(--tile-pad)) 0}.lv4 .sut-ink-page{position:relative;height:clamp(200px,22vw,260px);border-bottom:1px solid var(--lv4-line);background-color:var(--sut-paper);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22'%3E%3Ccircle cx='2' cy='2' r='1.1' fill='%23888' fill-opacity='0.28'/%3E%3C/svg%3E")}.lv4 .sut-ink-canvas,.lv4 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i{width:14px;height:14px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.14)}.lv4 .sut-ink-pens [data-pen=anatomy] i{background:var(--sut-pen-anatomy)}.lv4 .sut-ink-pens [data-pen=artery] i{background:var(--sut-pen-artery)}.lv4 .sut-ink-pens [data-pen=vein] i{background:var(--sut-pen-vein)}.lv4 .sut-ink-pens [data-pen=highlighter] i{background:color-mix(in srgb,var(--sut-pen-highlighter) 45%,transparent);border-radius:3px}.lv4 .sut-ink-tools{display:flex;flex-wrap:wrap;gap:2px}.lv4 .sut-ink-tool{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 10px;border:0;border-radius:999px;cursor:pointer;font-size:.8125rem;font-weight:600;color:var(--lv4-ink);background:none;transition:background-color var(--lv4-quick)}.lv4 .sut-ink-tool:hover{background:var(--lv4-brand-soft)}.lv4 .sut-ink-tool svg{width:15px;height:15px}@media (pointer:coarse){.lv4 .sut-ink-pens button,.lv4 .sut-ink-tool{min-height:44px}}.lv4 .sut-ink-hint{padding:10px var(--tile-pad) 0}.lv4 .sut-graph svg{display:block;width:100%;max-width:540px;height:auto;margin-inline:auto;overflow:visible}.lv4 .sut-graph-edge{stroke:var(--lv4-brand);stroke-width:1.6;opacity:.38;stroke-dasharray:1;stroke-dashoffset:0;vector-effect:non-scaling-stroke;transition:opacity var(--lv4-quick) var(--lv4-ease)}.lv4 .sut-graph[data-focus] .sut-graph-edge{opacity:.08}.lv4 .sut-graph[data-focus] .sut-graph-edge[data-lit]{opacity:.85}.lv4 .sut-graph-node{transition:opacity var(--lv4-quick) var(--lv4-ease)}.lv4 .sut-graph-node circle,.lv4 .sut-graph-node rect{fill:var(--lv4-surface);stroke:var(--lv4-brand);stroke-width:2.2}.lv4 .sut-graph-node[data-kind=note] circle{fill:var(--lv4-brand);stroke:var(--lv4-surface)}.lv4 .sut-graph-node text{font-family:var(--font-inter),system-ui,sans-serif;font-size:16px;font-weight:600;fill:var(--lv4-text);paint-order:stroke;stroke:var(--lv4-surface);stroke-width:5px;stroke-linejoin:round}.lv4 .sut-graph[data-focus] .sut-graph-node:not([data-lit]){opacity:.28}@media (prefers-reduced-motion:no-preference){.lv4 .sut-graph[data-play] .sut-graph-edge{animation:sut-draw .9s var(--lv4-ease) var(--d,0s) both}.lv4 .sut-graph[data-play] .sut-graph-node{animation:sut-rise .6s var(--lv4-ease) var(--d,0s) both}}.lv4 .sut-graph-caption{margin-top:6px;text-align:center}@media (max-width:559.98px){.lv4 .sut-graph-node text{font-size:19px}}.lv4 .sut{--sut-scrap:#fbfbfc;--sut-scrap-2:#f1f1f4;--sut-scrap-line:#e3e3e8;--sut-scrap-ink:#5f5f66;--sut-paper:#ffffff;--sut-pen-anatomy:#1f2937;--sut-pen-artery:#c62828;--sut-pen-vein:#1565c0;--sut-pen-highlighter:#8b5cf6;--sut-h-muscle:#efc5ca;--sut-h-muscle-line:#c68c96;--sut-h-oxy:#ec9494;--sut-h-deoxy:#97b6e6;--sut-h-line:rgba(92,28,44,0.32);--sut-seg-on:#ffffff;--sut-band:#5b21b6;--sut-who-b:#52525b}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .lv4 .sut{--sut-scrap:#17171b;--sut-scrap-2:#1f1f24;--sut-scrap-line:#2c2c33;--sut-scrap-ink:#a3a3ab;--sut-paper:#111114;--sut-pen-anatomy:#e6e7eb;--sut-pen-artery:#ff6b6b;--sut-pen-vein:#74a9ff;--sut-pen-highlighter:#a78bfa;--sut-h-muscle:#5e313b;--sut-h-muscle-line:#8a5360;--sut-h-oxy:#b95a5f;--sut-h-deoxy:#4a73b4;--sut-h-line:rgba(255,255,255,0.22);--sut-seg-on:#3a3a40;--sut-band:#221046;--sut-who-b:#a1a1aa}}:root[data-theme=dark] .lv4 .sut{--sut-scrap:#17171b;--sut-scrap-2:#1f1f24;--sut-scrap-line:#2c2c33;--sut-scrap-ink:#a3a3ab;--sut-paper:#111114;--sut-pen-anatomy:#e6e7eb;--sut-pen-artery:#ff6b6b;--sut-pen-vein:#74a9ff;--sut-pen-highlighter:#a78bfa;--sut-h-muscle:#5e313b;--sut-h-muscle-line:#8a5360;--sut-h-oxy:#b95a5f;--sut-h-deoxy:#4a73b4;--sut-h-line:rgba(255,255,255,0.22);--sut-seg-on:#3a3a40;--sut-band:#221046;--sut-who-b:#a1a1aa}.lv4 .sut-badge{display:inline-flex;align-items:center;min-height:24px;padding:0 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svg{flex:0 0 18px;width:18px;height:18px;margin-top:2px;color:var(--lv4-ink)}.lv4 .sut-position{position:relative;overflow:clip;isolation:isolate;color-scheme:dark;padding-block:clamp(84px,11vw,160px);background:var(--sut-band);color:#fff}.lv4 .sut-position-stitch{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}.lv4 .sut-position-stitch path{fill:none;stroke:rgba(255,255,255,.14);stroke-width:2;stroke-dasharray:8 9;vector-effect:non-scaling-stroke}.lv4 .sut-position-inner{display:grid;gap:44px}@media (min-width:1100px){.lv4 .sut-position-inner{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:80px;align-items:end}}.lv4 .sut .sut-position-title{color:#fff;max-width:17ch}.lv4 .sut-position-body{margin-top:22px;max-width:36rem;font-size:clamp(1.0625rem,1rem + .3vw,1.1875rem);line-height:1.55;color:rgba(255,255,255,.88);text-wrap:pretty}.lv4 .sut-position-foot{margin-top:26px;display:inline-flex;align-items:center;gap:8px;font-size:.9375rem;font-weight:600;color:#fff}.lv4 .sut-position-foot svg{width:17px;height:17px}.lv4 .sut-position-lists{display:grid;gap:32px}@media (min-width:640px){.lv4 .sut-position-lists{grid-template-columns:repeat(2,minmax(0,1fr))}}.lv4 .sut-position-label{margin-bottom:10px;font-size:.9375rem;font-weight:700;color:#fff}.lv4 .sut-position-lists li{display:flex;gap:10px;align-items:flex-start;padding:12px 0;font-size:.9875rem;line-height:1.45;color:rgba(255,255,255,.9);border-top:1px solid rgba(255,255,255,.18)}.lv4 .sut-position-lists svg{flex:0 0 18px;width:18px;height:18px;margin-top:2px;color:#fff}.lv4 .sut-position-lists [data-kind=no] svg{color:rgba(255,255,255,.72)}.lv4 .sut-numbers-grid{display:grid;gap:28px}@media (min-width:1100px){.lv4 .sut-numbers-grid{grid-template-columns:minmax(0,.5fr) minmax(0,1.5fr);gap:72px;align-items:start}}.lv4 .sut-numbers-line{padding:24px 0;border-top:1px solid var(--lv4-line);color:var(--lv4-text);text-wrap:balance;font-family:var(--font-dm-sans),sans-serif;font-weight:700;font-size:clamp(1.5rem,1.05rem + 1.8vw,2.5rem);line-height:1.17;letter-spacing:-.025em}.lv4 .sut-numbers-n{color:var(--lv4-ink)}.lv4 .sut-numbers-source{padding-top:16px;border-top:1px solid var(--lv4-line)}@media (prefers-reduced-motion:reduce){.lv4 .sut *{animation-duration:.01ms!important;animation-delay:0s!important}}