html,body{margin:0;height:100%;background:#fff;color:#000;font-family:system-ui,sans-serif}model-viewer{position:fixed;inset:0;width:100%;height:100%;background:#fff}.btn-group{position:fixed;bottom:32px;left:50%;transform:translate(-50%);display:flex;z-index:10}#btnAbrir{padding:10px 28px;border-radius:10px;border:2px solid #000;background:transparent;color:#000;font-weight:700;font-size:14px;cursor:pointer;transition:all .2s ease}#btnAbrir:hover{background:#000;color:#fff}.ar-btn{color:#fff;font-size:14px;font-weight:700;background:#000;padding:10px 38px;border-radius:10px;border:none;position:absolute;bottom:16px;right:16px}