:root{--paper:#f3f1e9;--white:#faf9f4;--ink:#282b28;--muted:#62665f;--rule:#d5d5ca;--red:#b94735;--ochre:#c7ab83;--feature-teal:#8cbeb2;--feature-blue:#92b7ce;--feature-lavender:#b5a1ca;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{color:inherit}button{cursor:pointer;border:1px solid var(--rule);background:transparent;min-height:40px;padding:8px 16px;border-radius:4px;transition:background .15s,border-color .15s}button:hover{background:#e7e5dc;border-color:#868b80}button:disabled{opacity:.45;cursor:wait}button:focus-visible,input:focus-visible,select:focus-visible,#scene:focus-visible{outline:2px solid var(--red);outline-offset:4px}button.primary{background:var(--ink);border-color:var(--ink);color:var(--white)}button.primary:hover{background:#484d45}button.primary span{margin-left:16px}input[type=checkbox]{appearance:none;flex:none;width:32px;height:20px;border:1px solid #8b8d82;border-radius:12px;position:relative;cursor:pointer;background:#e4e3d9;transition:background .2s;margin:0}input[type=checkbox]:before{content:"";position:absolute;width:12px;height:12px;background:var(--white);border:1px solid #808477;border-radius:50%;top:3px;left:3px;transition:left .2s}input[type=checkbox]:checked{background:var(--ink);border-color:var(--ink)}input[type=checkbox]:checked:before{left:15px;border-color:var(--white)}
.masthead{height:88px;margin:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink);gap:24px}.identity{display:flex;align-items:center;gap:16px;font-size:16px;font-weight:600;flex-shrink:0}.subbrand{display:block;font:10px/1.8 ui-monospace,monospace;letter-spacing:2px;font-weight:400}.mark{width:40px;height:40px;display:block;flex:none}.header-actions{display:flex;gap:8px;font-size:12px}.intro{margin:24px 48px;display:flex;flex-direction:column;align-items:flex-start;gap:8px}.eyebrow{font-size:12px;line-height:1.6;letter-spacing:1px;margin:0 0 12px;color:var(--muted)}.intro .eyebrow{font-weight:400;margin:0}.intro-note{font-size:12px;line-height:1.8;color:var(--muted);margin:0}

.workspace{display:grid;grid-template-columns:224px minmax(280px,1fr) 272px;margin:0 48px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);min-height:650px}.tools,.inspector{padding:24px 0}.tools{padding-right:24px;border-right:1px solid var(--rule)}h2{font-size:14px;font-weight:600;margin:0 0 16px;line-height:1.5}h2>span{font:10px ui-monospace,monospace;color:var(--muted);display:inline-block;margin-left:8px;letter-spacing:1px}.layer{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:48px;cursor:pointer;font-size:14px}.layer strong{font:11px ui-monospace,monospace;color:var(--muted);margin-right:8px;font-weight:400}.opacity-row{padding:4px 0 16px 24px}.opacity-row label{display:flex;font-size:11px;justify-content:space-between;color:var(--muted)}input[type=range]{width:100%;accent-color:var(--ink);cursor:pointer;margin:8px 0 0;height:16px}.tool-note{font-size:11px;color:var(--muted);line-height:1.8;min-height:40px;margin:12px 0 0}.view-section{border-top:1px solid var(--rule);margin-top:24px;padding-top:24px}.views{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.views button{padding:8px;font-size:12px}.views button[aria-pressed=true]{background:var(--ink);color:var(--white);border-color:var(--ink)}.label-toggle{display:flex;align-items:center;gap:8px;margin:24px 0 16px;font-size:12px;cursor:pointer}.label-toggle input{width:28px;height:18px}.label-toggle input:before{width:10px;height:10px}.label-toggle input:checked:before{left:13px}.reset{font-size:12px;width:100%}.legend{border-top:1px solid var(--rule);padding-top:16px;margin-top:24px;display:grid;gap:8px;font-size:11px;color:var(--muted)}.legend i{display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;border:1px solid var(--ink)}.ink-dot{background:#c4c5b9}.red-dot{background:var(--red);border-color:var(--red)!important}.selected-dot{background:linear-gradient(90deg,var(--feature-teal) 0 33%,var(--feature-blue) 33% 66%,var(--feature-lavender) 66%)}
.viewport{position:relative;display:flex;flex-direction:column;min-width:0;background:radial-gradient(ellipse at 50% 40%,#faf9f4 0%,var(--paper) 75%)}.view-heading{display:flex;justify-content:space-between;gap:16px;font-size:10px;color:var(--muted);padding:24px 24px 0}.view-heading>span:first-child{color:var(--ink)}#scene{position:relative;flex:1;min-height:540px;overflow:hidden;touch-action:none}#scene>canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}#scene>canvas:active{cursor:grabbing}#annotations{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}#annotations text{font-family:-apple-system,"PingFang SC",sans-serif;fill:var(--ink);font-size:11px;paint-order:stroke;stroke:var(--paper);stroke-width:5px;stroke-linejoin:round}#annotations path{fill:none;stroke:#64695e;stroke-width:.7}#annotations circle{fill:var(--red);stroke:var(--white);stroke-width:1}#annotations .anatomical{font:12px ui-monospace,monospace;fill:#6a7063}#loading,#empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;font-size:12px;color:var(--muted);text-align:center;z-index:4;background:var(--paper);padding:24px}#loading strong{font-size:14px;color:var(--ink);font-weight:500}.loader{width:32px;height:32px;border:1px solid var(--rule);border-top-color:var(--ink);border-radius:50%;animation:turn 1.2s linear infinite}@keyframes turn{to{transform:rotate(360deg)}}[hidden]{display:none!important}.viewport-footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--rule);padding:12px 24px;font-size:10px;line-height:1.8;color:var(--muted)}.viewport-footer b{font-weight:400;margin:0 4px}.inspector{padding-left:24px;border-left:1px solid var(--rule)}.selection{min-height:324px}.selection .eyebrow{font-size:10px;margin-bottom:8px}.selection h2{font-size:20px;font-weight:500;line-height:1.5;margin:0 0 4px}.en-title{font:italic 14px/1.6 Georgia,serif;color:var(--muted);margin:0 0 16px}.selection>p:not(.en-title):not(.eyebrow){font-size:12px;line-height:1.9;margin:0 0 16px}dl{margin:0;font-size:11px;line-height:1.8}dt{color:var(--muted);margin-bottom:4px}dd{margin:0 0 12px}#clear-selection{font-size:11px;padding:4px 12px;min-height:32px;margin-bottom:16px}.catalog-section{border-top:1px solid var(--rule);padding-top:24px}.catalog-section h2{margin-bottom:12px}select{width:100%;height:40px;background:var(--white);border:1px solid var(--rule);padding:8px 12px;border-radius:4px;font-size:12px}.catalog{display:grid;margin-top:8px;max-height:280px;overflow-y:auto;scrollbar-width:thin}.catalog button{border:0;border-radius:0;border-bottom:1px solid var(--rule);text-align:left;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;min-height:40px;padding:8px}.catalog button>span:last-child{color:var(--muted);font:10px ui-monospace,monospace}.catalog button[aria-pressed=true]{background:#e6e8e1;border-left:2px solid var(--ink)}.catalog button[data-feature-color]>span:first-child:before{content:"";display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%;background:var(--feature-color);border:1px solid #282b2840}.catalog button:focus-visible{outline-offset:-2px}
.sources{margin:24px 48px;padding:24px;border:1px solid var(--rule);background:var(--white)}.source-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:16px}.source-heading h2{margin:0}.source-heading button{font-size:12px}.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.source-grid h3{font-size:14px;font-weight:500;margin:0}.source-grid p,.source-footnote{font-size:12px;line-height:1.9;color:var(--muted)}a{color:var(--ink);font-size:12px;text-underline-offset:4px}a:hover{color:var(--red)}.source-footnote{border-top:1px solid var(--rule);padding-top:16px;margin:24px 0 0}.page-footer{margin:16px 48px 32px;display:flex;justify-content:space-between;gap:24px;font-size:10px;color:var(--muted);line-height:1.8}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:12px 24px;background:var(--ink);color:var(--white);font-size:12px;border-radius:4px;z-index:10;max-width:calc(100vw - 32px)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1600px){.workspace{min-height:740px}.tools{padding-right:32px}.inspector{padding-left:32px}.workspace{grid-template-columns:240px minmax(280px,1fr) 296px}.catalog{max-height:340px}}
@media(max-width:1200px){.masthead,.intro,.workspace,.sources,.page-footer{margin-left:24px;margin-right:24px}.workspace{grid-template-columns:200px minmax(280px,1fr) 240px}.tools{padding-right:16px}.inspector{padding-left:16px}.view-heading{padding:24px 16px 0}.view-heading>span:last-child{display:none}.viewport-footer{padding:12px 16px}.viewport-footer>span:last-child{display:none}.selection h2{font-size:20px}}
@media(max-width:1000px){.workspace{grid-template-columns:1fr 1fr}.viewport{grid-column:1/-1;grid-row:1;border-bottom:1px solid var(--ink)}#scene{min-height:560px}.tools{border-right:1px solid var(--rule);padding:24px}.inspector{border-left:0;padding:24px}.selection{min-height:0}.catalog{max-height:none}.source-grid{grid-template-columns:1fr}.intro{margin-top:24px}.page-footer{flex-direction:column;gap:8px}.viewport-footer>span:last-child{display:block}.view-heading>span:last-child{display:block}}
@media(max-width:600px){.masthead{height:auto;min-height:80px;flex-wrap:wrap;padding:16px 0;gap:16px}.masthead,.intro,.workspace,.sources,.page-footer{margin-left:16px;margin-right:16px}.identity{gap:12px}.header-actions{width:100%;gap:8px}.header-actions button{flex:1;padding:8px;font-size:11px}.primary span{display:none}.intro{margin-top:24px;margin-bottom:24px}.intro-note{max-width:100%;text-wrap:pretty}.workspace{grid-template-columns:1fr}#scene{min-height:440px}.tools{border-right:0;border-bottom:1px solid var(--rule);padding:24px 8px}.inspector{padding:24px 8px}.views{grid-template-columns:repeat(6,1fr)}.view-section{margin-top:16px;padding-top:16px}.view-heading{padding:16px 8px 0;font-size:9px}.view-heading>span:last-child{display:none}.viewport-footer{padding:12px 8px}.viewport-footer>span:last-child{display:none}.sources{padding:16px}.source-grid{gap:24px}.selection h2{font-size:24px}.catalog-section{margin-top:24px}.catalog{grid-template-columns:1fr 1fr;gap:0 16px}#annotations text{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}