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0;gap:8px}.connection-dialog .assembly-recap p:nth-child(4){animation-delay:.95s}.connection-trigger{display:inline-flex;align-items:center;gap:10px;padding:14px 20px;border:1px solid #b6a2ce;border-radius:999px;background:#ece3f6;color:#59416e;font-weight:650}.connection-dialog .assembly-figure{aspect-ratio:760 / 620}.connection-dialog.is-reduced .assembly-progress>div{transform:scaleX(var(--assembly-progress, 0))}.connection-motion-svg{width:100%;height:100%;display:block;overflow:hidden}.connection-network-orbit{fill:none;stroke:#ad91c5;stroke-width:1;opacity:.1}.connection-network-orbit.outer{stroke-dasharray:3 9;transform-origin:352px 304px;animation:connection-orbit 65s linear infinite}.connection-camera{transform-origin:360px 310px;transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}.connection-camera-0{transform:translate(-6px,16px) scale(1.02)}.connection-camera-1{transform:translate(-12px) scale(1.035)}.connection-camera-2{transform:translate(-6px,-15px) scale(1.02)}.connection-camera-3{transform:translate(12px,-12px) scale(1.035)}.connection-camera-all{transform:none}.connection-kidney{filter:drop-shadow(0 0 20px #f3a6be22);animation:assembly-text 1s both}.connection-kidney-label{font-family:var(--sans);font-size:12px;letter-spacing:.22em;fill:#ffcfdb}.connection-route{opacity:.07;transition:opacity .65s}.connection-route.is-visible{opacity:.3}.connection-route.is-focus{opacity:1}.connection-route.is-focus>path{stroke-dasharray:1;animation:assembly-line 1.2s ease both}.connection-signals{filter:drop-shadow(0 0 5px currentColor)}.connection-node{opacity:.1;transition:opacity .7s,filter .7s}.connection-node.is-visible{opacity:.5}.connection-node.is-focus{opacity:1;filter:drop-shadow(0 0 12px color-mix(in srgb,var(--connection-color) 15%,transparent))}.connection-node>rect{fill:#1e1c31;stroke:var(--connection-color);stroke-width:1.5}.connection-node.is-focus>rect{animation:connection-node-reveal .9s ease both}.connection-node text{font-family:var(--sans);font-size:13.5px;font-weight:550;fill:#fff5ee}.connection-node .connection-route-label{fill:var(--connection-color);font-size:13px;paint-order:stroke fill;stroke:#101222;stroke-width:5px;stroke-linejoin:round}.connection-node .connection-calcium-label{fill:#f6d286;font-size:13px}.connection-heart{transform-origin:550px 120px}.connection-heart.is-beating{animation:connection-heartbeat 1.1s ease-in-out infinite}.connection-pulse{stroke-dasharray:.2 .05;animation:connection-pulse 2.3s linear infinite}.connection-water-drop{transform-origin:94px 522px;animation:connection-drop 2.6s ease-in-out infinite}.connection-balance-waves{animation:connection-wave 3s ease-in-out infinite}.connection-direction{border:1px solid #ffffff20;border-radius:16px;padding:12px 16px;color:var(--assembly-accent);font-size:.9rem;animation:assembly-text .8s .8s both}.connection-lesson .match-row{border:1px solid #ded4e6;border-radius:18px;background:#f6f0fa;padding:18px}.connection-lesson .match-row>span{display:block;font-weight:650;margin-bottom:12px}.connection-lesson .match-row .slot{min-height:62px;border:1px dashed #a99abd;border-radius:12px;padding:12px;display:grid;place-items:center;background:#fffaf3;line-height:1.4}.connection-lesson .match-row .slot.is-filled{border-style:solid;border-color:#8d7cff;background:#eee9ff}.connection-lesson .match-row.is-ok{border-color:#68b89b;background:#effaf3}.connection-lesson .match-row.is-bad{border-color:#d98270;background:#fff0eb}.connection-lesson .chip-row{margin-block:18px}@keyframes connection-orbit{to{transform:rotate(360deg)}}@keyframes connection-node-reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes connection-heartbeat{0%,70%,to{transform:scale(1)}18%,42%{transform:scale(1.1)}28%,52%{transform:scale(1.015)}}@keyframes connection-pulse{to{stroke-dashoffset:-1}}@keyframes connection-drop{50%{transform:translateY(-5px) scale(1.06)}}@keyframes connection-wave{50%{opacity:.4;transform:translate(4px)}}@media(max-width:700px){.connection-dialog .assembly-title{font-size:2.4rem}.connection-dialog .assembly-key-hint{display:none}.connection-dialog .assembly-figure{width:min(100%,420px)}}.fact-lesson{min-height:calc(100dvh - 100px)}.fact-dialog .assembly-title{font-size:clamp(2.5rem,3.8vw,4.6rem)}.fact-dialog.is-complete .assembly-title{font-size:clamp(2.4rem,3.5vw,4rem);margin-bottom:14px}.fact-dialog .assembly-recap{margin:14px 0;gap:8px}.fact-dialog .assembly-figure{aspect-ratio:760 / 620}.fact-dialog.is-reduced .assembly-progress>div{transform:scaleX(var(--assembly-progress, 0))}.fact-trigger{display:inline-flex;align-items:center;gap:10px;padding:14px 20px;border:1px solid #b6a2ce;border-radius:999px;background:#ece3f6;color:#59416e;font-weight:650}.fact-direction{border:1px solid #ffffff20;border-radius:16px;padding:12px 16px;color:var(--assembly-accent);font-size:.9rem;animation:assembly-text .8s .8s both}.fact-motion-svg{display:block;width:100%;height:100%;overflow:hidden}.fact-orbit{fill:none;stroke:var(--assembly-accent);stroke-width:1;opacity:.1}.fact-orbit.dashed{stroke-dasharray:3 9;transform-origin:380px 300px}.fact-orbit.is-moving{animation:connection-orbit 65s linear infinite}.fact-scene{animation:fact-scene-reveal 1.1s cubic-bezier(.2,.8,.2,1) both;transform-origin:380px 300px}.fact-number{font-size:76px;font-weight:650;font-family:var(--serif);fill:var(--assembly-accent);letter-spacing:-2px;animation:assembly-text .9s .5s both}.fact-number.medium{font-size:46px;letter-spacing:-1px}.fact-label{fill:#fff5ed;font-size:15px;letter-spacing:1.5px;font-weight:600;animation:assembly-text .8s .7s both}.fact-caption{fill:#fff5ed;font-size:17px;font-weight:550;paint-order:stroke fill;stroke:#111425;stroke-width:4px;stroke-linejoin:round}.fact-caption.small{font-size:15px}.fact-caption.muted{fill:#b8acc1}.fact-loupe{animation:fact-loupe-reveal 1.2s ease both;transform-origin:485px 293px}.fact-unit{animation:assembly-text .7s var(--fact-delay, 0ms) both}.fact-small-kidney{filter:drop-shadow(0 0 18px #ffb6cd22)}.fact-active-kidney{filter:drop-shadow(0 0 12px #ffb6cd44)}.fact-scene.is-moving .fact-active-kidney{animation:fact-kidney-glow 3.2s ease-in-out infinite}.fact-urine-fill{transform-origin:588px 470px;animation:fact-fill 1.8s .4s ease both}.fact-draw{stroke-dasharray:1;animation:assembly-line 1.7s .2s ease both}.fact-crystal{animation:fact-crystal-gather 2.2s var(--fact-delay, 0ms) cubic-bezier(.2,.8,.2,1) both}.fact-summary-symbol{font-family:var(--serif);font-size:52px;font-weight:650}.fact-library{border-top:1px solid #dacdde;padding-top:34px;margin-top:38px}@keyframes fact-scene-reveal{0%{opacity:0;transform:scale(.94) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes fact-loupe-reveal{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:scale(1)}}@keyframes fact-fill{0%{transform:scaleY(.05)}to{transform:scaleY(1)}}@keyframes fact-crystal-gather{0%{opacity:0;transform:translate(var(--crystal-x),var(--crystal-y)) rotate(25deg)}30%{opacity:1}to{opacity:1;transform:translate(0) rotate(0)}}@keyframes fact-kidney-glow{50%{filter:drop-shadow(0 0 23px #ffb6cd88)}}@media(max-width:700px){.fact-dialog .assembly-title{font-size:2.4rem}.fact-dialog .assembly-key-hint{display:none}.fact-dialog .assembly-figure{width:min(100%,420px)}}.blender-preview{max-width:1300px;margin:0 auto;padding:36px 32px;display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center}.blender-preview-copy h1{font-size:clamp(40px,5vw,72px);line-height:1.08}.kidney-model.stage-3d{height:auto;min-height:0;width:100%;background:radial-gradient(ellipse at 65% 24%,#43364f66,transparent 65%),linear-gradient(145deg,#252237,#121321 80%);text-align:left}.kidney-model-top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:15px 20px 0}.kidney-model-top>span{display:flex;align-items:center;gap:8px;color:#d7cbe6;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase}.kidney-model-top>span i{width:5px;height:5px;background:#c9b4e3;border-radius:50%;box-shadow:0 0 10px #c9b4e388}.model-rotate{display:flex;align-items:center;gap:6px;padding:6px 9px;border:1px solid #b5a3cf30;border-radius:20px;background:#ffffff04;color:#afa0c3;font-size:.7rem}.model-rotate[aria-pressed=true]{color:#e4d4f4;background:#b5a3cf15;border-color:#b5a3cf55}.model-rotate span{font-size:1.1rem}.kidney-model-viewport{height:clamp(290px,43svh,420px);position:relative}.kidney-model-viewport canvas:active{cursor:grabbing!important}.kidney-model-note{position:absolute;bottom:7px;left:0;right:0;pointer-events:none;text-align:center;color:#b6a7c8;font-size:.65rem;letter-spacing:.02em}.kidney-model-poster{width:100%;height:100%;object-fit:contain}.kidney-model-label{display:inline-block;padding:5px 10px;color:#f6edf9;background:#181526e8;border:1px solid #d0b8e57a;box-shadow:0 5px 18px #0004;border-radius:30px;white-space:nowrap;font-size:11px}.kidney-model-toolbar{display:flex;gap:10px;padding:9px 20px 15px}.model-open{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:11px 15px;border:1px solid #d2bde66b;border-radius:15px;color:#281d38;background:linear-gradient(135deg,#e4d6ef,#c3abd9);font-size:.85rem;font-weight:650;box-shadow:inset 0 1px #fff6,0 5px 20px #0002}.model-open>span:first-child{font-size:1.2rem}.model-open>span:last-child{margin-left:auto}.kidney-model-parts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;padding:15px 20px 0;border-top:1px solid #ffffff0c;background:#080b1624}.kidney-model-parts button{min-width:0;display:flex;align-items:center;justify-content:center;gap:7px;border:1px solid #b8a1d12b;border-radius:11px;padding:9px 5px;font-size:.71rem;font-weight:500;color:#c9bddb;background:#ffffff04;transition:background .2s,border-color .2s,color .2s}.kidney-model-parts button:hover{background:#b29bcc18;border-color:#c2a5e26b}.kidney-model-parts button[aria-pressed=true]{background:#b29bcc29;border-color:#c2a5e2a6;color:#fff5ff}.kidney-model-parts button i{width:7px;height:7px;flex:none;border-radius:50%;background:var(--part-color)}.kidney-model-detail{padding:16px 20px 19px;min-height:111px;background:#080b1624}.kidney-model-detail strong{color:#f0e3f6;font-size:.87rem;font-weight:600}.kidney-model-detail p{margin:6px 0 0;color:#bdb0cb;font-size:.78rem;line-height:1.6}@media(max-width:800px){.blender-preview{padding:24px 18px;grid-template-columns:1fr;gap:24px}.kidney-model-viewport{height:330px}.kidney-model-top{padding-inline:15px}.kidney-model-top>span{font-size:.61rem;letter-spacing:.09em}.kidney-model-toolbar,.kidney-model-parts,.kidney-model-detail{padding-inline:15px}.kidney-model-parts button{font-size:.68rem}.kidney-model-detail{min-height:125px}}@media(prefers-reduced-motion:reduce){.kidney-model-parts button{transition:none}}@media(max-width:480px){.kidney-model-parts{grid-template-columns:repeat(2,minmax(0,1fr))}.kidney-model-parts button{min-height:40px;font-size:.76rem}}