.ckb-nec3d{--n3-ink:#362d25;--n3-dark:#504736;--n3-gold:#a59867;--n3-paper:#f7f5ef;--n3-line:rgba(54,45,37,.2);position:relative;margin:32px 0;border:1px solid var(--n3-line);border-radius:26px;background:#fff;box-shadow:0 28px 85px rgba(54,45,37,.2);overflow:hidden;color:var(--n3-ink)}
.ckb-nec3d[hidden]{display:none!important}.ckb-nec3d__hero{display:grid;grid-template-columns:1fr auto;gap:24px;padding:28px 32px;background:linear-gradient(135deg,var(--n3-ink),var(--n3-dark));color:#fff}.ckb-nec3d__eyebrow{margin:0 0 7px;color:#d9c891;font-size:.72rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.ckb-nec3d__hero h2{margin:0 0 8px;color:#fff;font-size:clamp(1.8rem,4vw,3.1rem);line-height:1}.ckb-nec3d__hero p:last-child{max-width:820px;margin:0;color:#eee8df}.ckb-nec3d button{min-height:42px;border:1px solid currentColor;border-radius:999px;padding:9px 15px;background:#fff;color:var(--n3-ink);font:inherit;font-weight:800;cursor:pointer}.ckb-nec3d__hero button{align-self:start;background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.ckb-nec3d__controls{display:grid;grid-template-columns:minmax(280px,1fr) auto;gap:18px;padding:20px 28px;background:var(--n3-paper);border-bottom:1px solid var(--n3-line)}.ckb-nec3d__chooser{display:grid;grid-template-columns:minmax(220px,.75fr) minmax(300px,1.25fr);gap:10px 14px}.ckb-nec3d__controls label{display:grid;gap:6px;font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.ckb-nec3d__controls input,.ckb-nec3d__controls select{width:100%;min-height:48px;border:1px solid var(--n3-line);border-radius:10px;background:#fff;padding:9px 12px;color:var(--n3-ink);font:inherit;text-transform:none;letter-spacing:normal}.ckb-nec3d__controls input:focus,.ckb-nec3d__controls select:focus{outline:3px solid rgba(165,152,103,.35);border-color:var(--n3-gold)}.ckb-nec3d__chooser p{grid-column:1/-1;margin:0;color:#71695e;font-size:.7rem}.ckb-nec3d__buttons{display:flex;flex-wrap:wrap;align-items:end;gap:7px}.ckb-nec3d__buttons button[aria-pressed="true"],.ckb-nec3d__buttons button:hover{background:var(--n3-dark);border-color:var(--n3-dark);color:#fff}
.ckb-nec3d__stage{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,340px);min-height:610px}.ckb-nec3d__canvas-wrap{position:relative;min-width:0;background:#f6f2e8}.ckb-nec3d canvas{display:block;width:100%;height:610px;touch-action:none;cursor:grab}.ckb-nec3d canvas:active{cursor:grabbing}.ckb-nec3d__legend{position:absolute;right:18px;bottom:16px;display:grid;grid-template-columns:auto 160px auto;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.9);font-size:.7rem;font-weight:800}.ckb-nec3d__gradient{height:10px;border-radius:99px;background:linear-gradient(90deg,#19394f,#368b6d,#e0a82e,#d82431)}
.ckb-nec3d__facts{padding:24px;background:var(--n3-ink);color:#fff}.ckb-nec3d__facts small{display:block;margin-bottom:7px;color:#d9c891;font-size:.68rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}.ckb-nec3d__facts h3{margin:0 0 7px;color:#fff;font-size:1.35rem}.ckb-nec3d__model{overflow-wrap:anywhere;color:#d7d0c7;font-size:.73rem}.ckb-nec3d__facts dl{display:grid;gap:8px;margin:22px 0}.ckb-nec3d__facts dl div{padding:12px;border:1px solid rgba(255,255,255,.16);border-radius:10px}.ckb-nec3d__facts dt{color:#d9c891;font-size:.67rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.ckb-nec3d__facts dd{margin:4px 0 0;font-weight:750}.ckb-nec3d__boundary{padding:14px;border-left:4px solid var(--n3-gold);border-radius:8px;background:rgba(255,255,255,.08);line-height:1.5}.ckb-nec3d__boundary strong{display:block;margin-bottom:5px}.ckb-nec3d__status{margin-top:16px;color:#d9c891;font-size:.74rem;font-weight:800}.ckb-nec3d__error{margin:16px 28px;padding:16px;border-left:4px solid #d82431;background:#fff0f0}.ckb-nec3d__error[hidden]{display:none!important}.ckb-nec3d__footer{padding:15px 28px;border-top:1px solid var(--n3-line);background:var(--n3-paper);font-size:.75rem;color:#655e55}
@media(max-width:900px){.ckb-nec3d__controls,.ckb-nec3d__stage{grid-template-columns:1fr}.ckb-nec3d__stage{min-height:0}.ckb-nec3d canvas{height:520px}.ckb-nec3d__facts{display:grid;grid-template-columns:1fr 1fr;gap:14px}.ckb-nec3d__facts dl{margin:0}.ckb-nec3d__boundary{grid-column:1/-1}}
@media(max-width:600px){.ckb-nec3d{border-radius:18px}.ckb-nec3d__hero{grid-template-columns:1fr;padding:24px 20px}.ckb-nec3d__controls{padding:16px}.ckb-nec3d__chooser{grid-template-columns:1fr}.ckb-nec3d__chooser p{grid-column:auto}.ckb-nec3d__buttons{overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}.ckb-nec3d__buttons button{flex:0 0 auto}.ckb-nec3d canvas{height:430px}.ckb-nec3d__facts{grid-template-columns:1fr;padding:20px}.ckb-nec3d__boundary{grid-column:auto}.ckb-nec3d__legend{left:12px;right:12px;grid-template-columns:auto 1fr auto}.ckb-nec3d__footer{padding:14px 18px}}