.edufun-3d-gallery{position:relative}.edufun-3d-trigger{position:absolute;z-index:5;bottom:18px;left:18px;display:inline-flex;align-items:center;gap:9px;background:#232622e6;color:#fff;border:0;border-radius:999px;box-shadow:0 4px 16px #0000002e;padding:11px 18px 11px 14px;font-family:inherit;font-weight:600;font-size:14px;line-height:1.2;letter-spacing:normal;text-transform:none;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.edufun-3d-trigger:hover{background:#232622}.edufun-3d-trigger[hidden],.edufun-3d-dialog [hidden]{display:none!important}.edufun-3d-dialog{--e3d-accent:#598527;--e3d-accent-ink:#3d5f1a;--e3d-accent-soft:#eff5e8;--e3d-ink:#1f2320;--e3d-muted:#686d66;--e3d-line:#e4e5df;--e3d-soft:#f5f5f1;padding:0;border:0;border-radius:16px;width:min(1280px,calc(100vw - 48px));max-width:none;height:min(820px,calc(100dvh - 48px));max-height:none;margin:auto;color:var(--e3d-ink);background:#fff;box-shadow:0 24px 80px #00000038;overflow:hidden;font-family:inherit}.edufun-3d-dialog::backdrop{background:#1a1d19b3}.edufun-3d-dialog button{font-family:inherit;letter-spacing:normal;text-transform:none}.edufun-3d-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;height:100%;position:relative}.edufun-3d-visual{position:relative;min-height:0;min-width:0;background:radial-gradient(120% 90% at 50% 38%,#fdfcfa,#f1efe9 62%,#e9e7e0)}.edufun-3d-canvas{position:absolute;top:0;right:0;bottom:74px;left:0}.edufun-3d-canvas edufun-model-viewer{position:relative;width:100%;height:100%;display:block;background:transparent;--poster-color:transparent;--progress-bar-color:var(--e3d-accent);--progress-bar-height:3px}.edufun-3d-state{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;z-index:1}.edufun-3d-poster{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;opacity:.45;pointer-events:none}.edufun-3d-state-inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:340px;padding:20px 24px;text-align:center}.edufun-3d-state[data-mode=loading] .edufun-3d-state-inner{background:#ffffffd9;border-radius:14px;box-shadow:0 4px 18px #0000000f}.edufun-3d-state[data-mode=error] .edufun-3d-state-inner{background:#fff;border-radius:14px;box-shadow:0 4px 18px #00000014}.edufun-3d-spinner{width:30px;height:30px;border-radius:50%;border:3px solid #d9ddd2;border-top-color:var(--e3d-accent);animation:edufun-3d-spin .9s linear infinite}@keyframes edufun-3d-spin{to{transform:rotate(360deg)}}.edufun-3d-status{margin:0;font-size:14px;line-height:1.5;color:var(--e3d-ink)}.edufun-3d-retry{min-height:44px;padding:10px 22px;border:0;border-radius:999px;background:var(--e3d-ink);color:#fff;font-size:14px;font-weight:600;cursor:pointer}.edufun-3d-hint{position:absolute;top:22px;left:50%;z-index:2;margin:0;padding:9px 16px;transform:translate(-50%,-6px);border-radius:999px;background:#1f2320cc;color:#fff;font-size:13px;line-height:1.3;white-space:nowrap;pointer-events:none;opacity:0}.edufun-3d-hint.is-visible{opacity:1;transform:translate(-50%)}.edufun-3d-toolbar{position:absolute;left:50%;bottom:16px;z-index:2;display:flex;align-items:center;gap:2px;padding:5px;transform:translate(-50%);background:#fff;border:1px solid var(--e3d-line);border-radius:999px;box-shadow:0 6px 22px #0000001a}.edufun-3d-tool{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:42px;height:42px;padding:0 11px;border:0;border-radius:999px;background:transparent;color:var(--e3d-ink);font-size:14px;font-weight:600;line-height:1;cursor:pointer}.edufun-3d-tool:hover{background:var(--e3d-soft)}.edufun-3d-tool--toggle{padding:0 16px 0 13px}.edufun-3d-tool--toggle[aria-pressed=true]{background:var(--e3d-accent-soft);color:var(--e3d-accent-ink)}.edufun-3d-tool:disabled{opacity:.45;cursor:wait}.edufun-3d-toolbar-sep{width:1px;height:24px;margin:0 5px;background:var(--e3d-line)}.edufun-3d-info{display:flex;flex-direction:column;gap:22px;min-height:0;padding:30px 28px 28px;overflow:auto;overscroll-behavior:contain;border-left:1px solid var(--e3d-line);text-align:left}.edufun-3d-dialog p{text-align:left!important;text-align-last:auto;word-spacing:normal}.edufun-3d-dialog .edufun-3d-status{text-align:center!important}.edufun-3d-title{margin:0;padding-right:52px;font-family:inherit;font-size:22px;font-weight:700;line-height:1.25;letter-spacing:0;text-transform:none;color:var(--e3d-ink)}.edufun-3d-label{margin:0 0 10px;font-size:13px;font-weight:600;color:var(--e3d-muted)}.edufun-3d-chips{display:flex;flex-wrap:wrap;gap:8px}.edufun-3d-chip{min-height:40px;padding:8px 15px;border:1px solid #d3d6cd;border-radius:999px;background:#fff;color:var(--e3d-ink);font-size:14px;font-weight:500;line-height:1.2;cursor:pointer}.edufun-3d-chip:hover{border-color:#9fa598}.edufun-3d-chip[aria-pressed=true]{border-color:var(--e3d-accent);box-shadow:inset 0 0 0 1px var(--e3d-accent);background:var(--e3d-accent-soft);color:var(--e3d-accent-ink);font-weight:600}.edufun-3d-size-single{margin:0;font-size:15px;font-weight:600}.edufun-3d-fallback{margin:-8px 0 0;padding:11px 13px;border:1px solid #ecdfb8;border-radius:10px;background:#fdf8ea;color:#5e4b12;font-size:13px;line-height:1.5}.edufun-3d-measurements{padding:18px;border:1px solid var(--e3d-line);border-radius:14px}.edufun-3d-measurements-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.edufun-3d-measurements h3{margin:0;font-family:inherit;font-size:15px;font-weight:700;line-height:1.3;letter-spacing:0;text-transform:none}.edufun-3d-code{font-size:12px;color:var(--e3d-muted);white-space:nowrap}.edufun-3d-dims{display:grid;grid-template-columns:repeat(auto-fit,minmax(76px,1fr));gap:8px;margin:0;padding:0}.edufun-3d-dims>div{padding:10px 11px;border-radius:10px;background:var(--e3d-soft)}.edufun-3d-dims dt{margin:0 0 3px;font-size:12px;font-weight:500;line-height:1.3;color:var(--e3d-muted)}.edufun-3d-dims dd{margin:0;font-size:17px;font-weight:700;line-height:1.2;white-space:nowrap;font-variant-numeric:tabular-nums}.edufun-3d-footnote{margin:14px 0 0;font-size:12px;line-height:1.55;color:var(--e3d-muted)}.edufun-3d-ar{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;min-height:48px;padding:10px 18px;border:1.5px solid var(--e3d-ink);border-radius:999px;background:#fff;color:var(--e3d-ink);font-size:15px;font-weight:600;cursor:pointer}.edufun-3d-ar:hover{background:var(--e3d-soft)}.edufun-3d-pilot{margin:0;padding:11px 13px;border-radius:10px;background:#f2f4ec;font-size:12px;line-height:1.55;color:var(--e3d-muted)}.edufun-3d-visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.edufun-3d-close{position:absolute;right:18px;top:18px;z-index:3;display:grid;place-items:center;width:42px;height:42px;padding:0;border:1px solid var(--e3d-line);border-radius:50%;background:#fff;color:var(--e3d-ink);cursor:pointer;box-shadow:0 2px 8px #0000000f}.edufun-3d-close:hover{background:var(--e3d-soft)}.edufun-3d-dialog :focus-visible,.edufun-3d-trigger:focus-visible{outline:3px solid var(--e3d-accent);outline-offset:3px}.edufun-3d-anchor{opacity:0!important;pointer-events:none!important;width:0;height:0;padding:0;margin:0;border:0}.edufun-3d-dimension-overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none!important;overflow:hidden;z-index:1}.edufun-3d-dimension-overlay *{pointer-events:none!important}.edufun-3d-dimension-line,.edufun-3d-dimension-tick{stroke:var(--e3d-accent);stroke-width:1.6;vector-effect:non-scaling-stroke}.edufun-3d-extension-line{stroke:var(--e3d-accent);stroke-opacity:.5;stroke-width:1;stroke-dasharray:3 3;vector-effect:non-scaling-stroke}.edufun-3d-dimension-box{fill:#fff;stroke:#cbd8bd;stroke-width:1;filter:drop-shadow(0 1px 2px #0000001a)}.edufun-3d-dimension-text{fill:var(--e3d-ink);font-family:inherit;font-size:12.5px;font-weight:600}@media(max-width:767px){.edufun-3d-trigger{left:12px;bottom:12px;padding:10px 15px 10px 12px;font-size:13px}.edufun-3d-dialog{width:100vw;height:100dvh;border-radius:0}.edufun-3d-layout{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto}.edufun-3d-visual{min-height:54dvh}.edufun-3d-info{gap:14px;max-height:44dvh;padding:18px 18px max(18px,env(safe-area-inset-bottom));border-left:0;border-top:1px solid var(--e3d-line);border-radius:18px 18px 0 0;margin-top:-16px;background:#fff;position:relative;z-index:2;box-shadow:0 -6px 20px #0000000d}.edufun-3d-title{padding-right:0;font-size:18px}.edufun-3d-label{margin-bottom:8px}.edufun-3d-chips{flex-wrap:nowrap;overflow-x:auto;margin:0 -18px;padding:0 18px 2px;scrollbar-width:none}.edufun-3d-chips::-webkit-scrollbar{display:none}.edufun-3d-chip{flex:0 0 auto}.edufun-3d-fallback{margin-top:-4px}.edufun-3d-measurements{padding:14px}.edufun-3d-measurements-head{margin-bottom:10px}.edufun-3d-dims{grid-template-columns:repeat(auto-fit,minmax(70px,1fr))}.edufun-3d-dims>div{padding:9px 10px}.edufun-3d-dims dd{font-size:16px}.edufun-3d-close{right:14px;top:14px}.edufun-3d-hint{top:18px;font-size:12px}.edufun-3d-canvas{bottom:84px}.edufun-3d-toolbar{bottom:28px}.edufun-3d-dimension-text{font-size:11.5px}}@media(pointer:coarse){.edufun-3d-tool--zoom{display:none}}@media(prefers-reduced-motion:no-preference){.edufun-3d-hint{transition:opacity .22s ease,transform .22s ease}.edufun-3d-tool,.edufun-3d-chip{transition:background .14s ease,color .14s ease,border-color .14s ease}}@media(prefers-reduced-motion:reduce){.edufun-3d-spinner{animation-duration:2.4s}}
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