.body-intro{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin:38px 0 26px}.body-intro h3{font:400 clamp(26px,3vw,39px)/1.15 Georgia,serif;max-width:480px;margin:0}.body-intro p{color:var(--muted);font-size:14px;line-height:1.8;margin:0;max-width:450px}.anatomy-studio{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,1fr);border:1px solid #ccd7ca;border-radius:18px;overflow:hidden;background:#fbfaf4;isolation:isolate}.model-workspace{min-width:0;background:#e5e9df}.model-stage{position:relative;height:420px;background:radial-gradient(ellipse at 50% 40%,#f3f1e7 0,#e0e6db 70%);overflow:hidden}.model-edition{position:absolute;top:23px;left:24px;z-index:2;pointer-events:none;color:#52675f;letter-spacing:.13em;font-size:8px;line-height:1.8}.model-edition b{display:block;font-size:11px;letter-spacing:.06em;font-weight:500;color:#223f39}.model-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:none}.model-mount{position:absolute;inset:0;visibility:hidden}.model-loaded .model-mount{visibility:visible}.model-loaded .model-poster{opacity:0;pointer-events:none}model-viewer{display:block;width:100%;height:100%;--progress-bar-color:#174a4a;--progress-bar-height:3px;--poster-color:transparent;outline-offset:-5px}.model-start{position:absolute;bottom:42px;left:50%;transform:translateX(-50%);display:grid;justify-items:center;gap:8px;width:max-content;max-width:90%;z-index:3}.model-start .button{box-shadow:0 8px 30px #173d3720;background:#153e3e;color:#fff;gap:25px}.model-start>span{font-size:10px;color:#425b54}.model-start button:disabled{opacity:.8}.model-watermark{position:absolute;bottom:16px;left:24px;font-size:7px;letter-spacing:.14em;color:#60736b;pointer-events:none}.model-expand{position:absolute;right:15px;top:15px;width:44px;height:44px;border:1px solid #b8c8ba;border-radius:50%;background:#f7f7eee6;color:#274d42;font-size:27px;z-index:3}.model-status{position:absolute;bottom:8px;right:18px;max-width:55%;font-size:10px;background:#f3f4eede;color:#3c5750;border-radius:5px;padding:3px 7px;margin:0;pointer-events:none}.model-status:empty{display:none}.model-pin{border:1px solid white;background:#174c49;color:white;border-radius:50%;width:34px;height:34px;font-size:11px;box-shadow:0 0 0 6px #ffffff40;transform:translate(-50%,-50%)}.model-controls{padding:12px 17px 0;display:flex;flex-wrap:wrap;gap:9px;justify-content:space-between;border-top:1px solid #cdd9cb}.model-views,.model-adjust{display:flex;flex-wrap:wrap;gap:4px}.model-controls button{background:#f6f7ef;color:#365b50;min-height:36px;padding:6px 10px;border-radius:6px;font-size:10px}.model-controls button[aria-pressed=true]{background:#244e47;color:white}.model-adjust button{min-width:36px}.model-adjust button:last-child{font-size:9px}.model-help{font-size:10px;line-height:1.6;margin:13px 22px;color:#52695e}.feature-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;padding:0 17px 19px}.anatomy-feature{display:flex;gap:7px;align-items:center;text-align:left;background:#f5f5eb;color:#476355;border:1px solid #d1dbce;border-radius:8px;padding:12px 10px;font-size:10px;line-height:1.45;min-height:51px}.anatomy-feature>span{font-size:9px;color:#6b806f}.anatomy-feature[aria-pressed=true]{background:#254e46;color:#fff;border-color:#254e46}.anatomy-feature[aria-pressed=true]>span{color:#c4d9bc}.feature-panel{display:flex;flex-direction:column;justify-content:space-between;padding:33px 29px;min-width:0}.feature-copy>.eyebrow{font-size:8px;letter-spacing:.16em}.feature-copy h3{font:400 29px/1.2 Georgia,serif;margin:14px 0 19px}.feature-copy p{font-size:13px;line-height:1.85;color:#52625c;margin:0 0 20px}.feature-function{border-top:1px solid #dce0d3;padding-top:20px}.feature-function .eyebrow{font-size:8px;letter-spacing:.1em;margin-bottom:9px;display:block}.feature-notice{display:flex;gap:10px;padding:14px 13px;background:#eef1e5;border-radius:8px;margin-bottom:20px}.feature-notice>span{font-size:23px;line-height:1;color:#728664}.feature-notice p{font-size:12px;line-height:1.65;margin:0;color:#365446}.feature-copy .source-link{font-size:10px;line-height:1.5;display:block}.feature-navigation{display:flex;align-items:center;gap:6px;justify-content:space-between;border-top:1px solid #dce0d3;margin-top:25px;padding-top:18px}.feature-navigation button{min-height:42px;min-width:36px;background:transparent;color:#28584c;font-size:11px}.feature-navigation button:first-child,.feature-navigation button:last-child{font-size:20px}.body-mechanism{margin:35px 0 0;padding:29px 0;border-top:1px solid #d3dbcd;border-bottom:1px solid #d3dbcd}.body-mechanism header h3{font:400 27px Georgia,serif;margin:12px 0 25px}.body-mechanism ol{list-style:none;counter-reset:mechanism;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin:0 0 20px;padding:0}.body-mechanism li{counter-increment:mechanism;position:relative;padding-left:36px}.body-mechanism li:before{content:counter(mechanism,decimal-leading-zero);position:absolute;left:0;top:2px;color:#71856b;font-size:10px}.body-mechanism h4{font-weight:550;font-size:13px;margin:0 0 9px}.body-mechanism p{font-size:12px;line-height:1.8;color:var(--muted);margin:0}.body-mechanism>.source-link{font-size:10px}.anatomy-dialog{width:min(1300px,calc(100% - 28px));max-width:none;padding:0;border:0;background:#f9f8ed;max-height:calc(100svh - 28px);overflow:auto}.anatomy-dialog .anatomy-studio{border:0}.anatomy-dialog .model-stage{height:min(62svh,670px)}.anatomy-dialog .feature-panel{padding-top:45px}.compare-art img{width:100%;height:100%;object-fit:contain}.measurement-art img{width:100%;height:100%;object-fit:contain}.contrast-model .animal-art{filter:grayscale(1) brightness(var(--model-brightness,1.3));object-fit:contain}.animal-art{max-width:100%}.anatomy-studio button:focus-visible{outline:3px solid #bf8b35;outline-offset:2px}
@media(min-width:1600px){.model-stage{height:500px}.feature-copy p{font-size:14px}.feature-copy h3{font-size:33px}.anatomy-feature{font-size:12px}}
@media(max-width:1100px){.anatomy-studio{grid-template-columns:minmax(0,1.25fr) minmax(250px,1fr)}.feature-panel{padding:25px 21px}.feature-index{grid-template-columns:repeat(2,minmax(0,1fr))}.model-stage{height:365px}}
@media(max-width:800px){.anatomy-studio{grid-template-columns:1fr}.body-intro{grid-template-columns:1fr;gap:16px}.model-stage{height:420px}.feature-index{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-panel{padding:26px}.feature-copy h3{font-size:28px}.feature-copy p{font-size:14px}.feature-navigation{margin-top:20px}.anatomy-dialog .model-stage{height:45svh;min-height:270px}}
@media(max-width:480px){.model-stage{height:300px}.model-edition{top:17px;left:15px;font-size:6px}.model-watermark{left:15px;font-size:6px;max-width:70%}.model-status{bottom:29px;font-size:9px}.model-start{bottom:40px}.model-start .button{padding:11px 20px;font-size:11px}.feature-index{grid-template-columns:repeat(2,minmax(0,1fr));padding:0 12px 14px}.anatomy-feature{font-size:10px;padding:10px}.feature-panel{padding:24px 21px}.body-mechanism ol{grid-template-columns:1fr;gap:20px}.body-mechanism h3{font-size:25px}.body-intro h3{font-size:29px}.body-intro p{font-size:13px}.model-help{margin:12px 15px}.anatomy-dialog{width:calc(100% - 12px);max-height:calc(100svh - 12px);border-radius:12px}}
@media(prefers-reduced-motion:reduce){.model-poster{transition:none}}
@media print{.model-mount,.model-start,.model-controls,.model-expand{display:none!important}.model-poster{opacity:1!important}.anatomy-studio{display:block}.feature-index{display:none}}