#ext-canvas{text-align:center;max-width:900px;margin:0 auto;padding:5rem 6vw}#ext-canvas .s-tag{margin-bottom:1rem}#ext-canvas h2{color:var(--dark);text-wrap:balance;margin:0 0 .6rem;font-size:clamp(1.5rem,2.8vw,2rem);font-weight:700}#ext-canvas .s-sub{color:var(--mid);max-width:560px;margin:0 auto 3rem;font-size:.98rem}.vc-wrap{flex-direction:column;align-items:center;gap:1.5rem;display:flex}.vc-demo-badge{border:1px solid var(--bd);letter-spacing:.04em;background:var(--warm);color:var(--mid);border-radius:99px;padding:.3rem .8rem;font-size:.7rem;font-weight:700;display:inline-block}.vc-canvas{aspect-ratio:4/3;border:1px solid var(--bd);background:#fafafa;border-radius:16px;width:100%;max-width:480px;position:relative;overflow:hidden}.vc-object{width:48px;height:48px;position:absolute}.vc-object-icon{width:100%;height:100%}.vc-object-icon svg{width:100%;height:100%;stroke:var(--dark);fill:none;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round}.vc-bbox{border:2px dashed var(--g);border-radius:6px;animation:.3s vc-bbox-in;position:absolute;inset:-8px}@keyframes vc-bbox-in{0%{opacity:0}to{opacity:1}}.vc-volume{background:var(--dark);color:#fff;border-radius:8px;padding:.4rem .8rem;font-size:.8rem;font-weight:700;animation:.3s vc-fade-in;position:absolute;bottom:12px;right:12px}.vc-sizes{align-items:center;gap:1rem;animation:.3s vc-fade-in;display:flex}.vc-size{border:1px solid var(--bd);width:44px;height:44px;color:var(--mid);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:.4rem;font-size:.85rem;font-weight:700;display:flex;position:relative}.vc-size-match{border-color:var(--g);color:var(--g);background:#ff57220f;width:auto;padding:0 1rem}.vc-availability{white-space:nowrap;color:var(--dark);border:1px solid var(--bd);background:#fff;border-radius:8px;padding:.3rem .6rem;font-size:.75rem;font-weight:600;animation:.3s vc-fade-in;position:absolute;top:calc(100% + .5rem);left:50%;transform:translate(-50%)}@keyframes vc-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.vc-controls{align-items:center;gap:1.5rem;width:100%;max-width:480px;margin-top:1.5rem;display:flex}.vc-nav-btn{border:1px solid var(--bd);color:var(--dark);cursor:pointer;background:0 0;border-radius:8px;flex-shrink:0;padding:.5rem 1rem;font-family:inherit;font-size:.82rem;font-weight:700}.vc-nav-btn:hover:not(:disabled){border-color:var(--g);color:var(--g)}.vc-nav-btn:disabled{opacity:.35;cursor:default}.vc-step-info{text-align:left;flex:1}.vc-step-count{color:var(--mid);letter-spacing:.06em;margin-bottom:.3rem;font-family:JetBrains Mono,monospace;font-size:.68rem;font-weight:700;display:block}.vc-step-t{color:var(--dark);font-size:1rem;font-weight:700;display:block}.vc-step-d{color:var(--mid);margin:.2rem 0 0;font-size:.85rem;line-height:1.5}@media (prefers-reduced-motion:reduce){.vc-bbox,.vc-volume,.vc-sizes,.vc-availability{animation:none}}@media (max-width:560px){.vc-controls{flex-direction:column;gap:1rem}.vc-step-info{text-align:center}}#ext-hero.vc-hero-solo{grid-template-columns:1fr}#ext-hero.vc-hero-solo>div{max-width:640px}.vc-why{text-align:center;max-width:640px;margin:0 auto;padding:3rem 6vw}.vc-why h3{color:var(--dark);margin:0 0 .6rem;font-size:1.15rem;font-weight:700}.vc-why p{color:var(--mid);margin:0;font-size:.92rem;line-height:1.6}.vc-bridge{text-align:center;border-top:1px solid var(--bd);border-bottom:1px solid var(--bd);padding:3.5rem 6vw}.vc-bridge p{color:var(--dark);max-width:560px;margin:0 auto 1rem;font-size:1.05rem;font-weight:600}.vc-bridge-link{color:var(--g);font-size:.9rem;font-weight:700;text-decoration:none;display:inline-block}.vc-bridge-link:hover{text-decoration:underline}