:root{--bg: #0f0f12;--surface: #fff;--ink: #18181b;--muted: #71717a;--line: #e4e4e7;--accent: #c8a45c;--radius: 14px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#f5f5f4}header.top{background:var(--bg);color:#fff;padding:18px 24px;display:flex;align-items:center;gap:14px}header.top .logo{font-weight:700;letter-spacing:2px;font-size:18px}header.top .logo b{color:var(--accent)}header.top .tag{color:#a1a1aa;font-size:13px;margin-left:auto}.hero{padding:28px 24px 8px;max-width:1200px;margin:0 auto}.hero h1{font-size:22px;margin:0 0 4px}.hero p{color:var(--muted);margin:0;font-size:14px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;padding:18px 24px 40px;max-width:1200px;margin:0 auto}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:0 8px 24px #0000001a;transform:translateY(-2px)}.card model-viewer{width:100%;height:210px;background:#fafaf9}.card .meta{padding:12px 14px;display:flex;flex-direction:column;gap:10px;flex:1}.card .name{font-size:13px;line-height:1.35;margin:0;flex:1}.card .sku{color:var(--muted);font-size:11px}.card a.try{text-align:center;padding:10px;background:var(--bg);color:#fff;text-decoration:none;border-radius:10px;font-size:13px;font-weight:500}.card a.try:hover{background:#000}.badge-ar{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--accent);font-weight:600}.viewer-wrap{max-width:760px;margin:0 auto;padding:16px 16px 40px}.viewer-wrap a.back{color:var(--muted);font-size:13px;text-decoration:none}.viewer-wrap h1{font-size:19px;margin:10px 0 14px}.stage{position:relative}.stage model-viewer{width:100%;height:68vh;background:var(--surface);border-radius:var(--radius);--poster-color: #fff}.ar-btn{position:absolute;bottom:18px;left:50%;transform:translate(-50%);padding:13px 22px;border:0;border-radius:26px;background:var(--bg);color:#fff;font-size:15px;font-weight:500;cursor:pointer;box-shadow:0 6px 18px #00000040;display:inline-flex;align-items:center;gap:8px}.ar-btn:hover{background:#000}.qr{display:none;text-align:center;margin-top:18px;padding:22px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--line)}.qr h3{margin:0 0 6px;font-size:16px}.qr p{color:var(--muted);font-size:13px;margin:0 0 14px}.qr canvas{border-radius:8px}.hint{color:var(--muted);font-size:12px;margin-top:16px}.controls{margin-top:14px;display:flex;flex-direction:column;gap:12px;align-items:center}.ctrl{padding:11px 18px;border:0;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;background:var(--accent);color:#1a1407}.ctrl-off{background:#e4e4e7;color:#71717a}.temp{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center}.temp-cap{font-size:13px;color:var(--muted);width:100%;text-align:center}.temp-btn{padding:9px 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;font-size:13px;cursor:pointer;transition:border-color .15s,background .15s}.temp-btn.active{border-color:var(--accent);background:#fbf6ec;font-weight:600}.temp-label{font-size:13px;color:var(--muted)}.spinner{color:var(--muted);font-size:14px;padding:40px;text-align:center}