.pcv-360{ position:relative; background:#f6f7f9; border-radius:12px; overflow:hidden; user-select:none; }
.pcv-360 .pcv-frames{ width:100%; height:100%; display:flex; align-items:center; justify-content:center; }
.pcv-360 .pcv-img{ max-width:100%; max-height:100%; object-fit:contain; display:block; }
.pcv-360 .pcv-loader{ font:14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Arial; opacity:.6; }
.pcv-360 .pcv-help{ position:absolute; left:12px; bottom:10px; font:12px/1.2 system-ui,-apple-system,Segoe UI,Roboto,Arial; background:rgba(0,0,0,.55); color:#fff; padding:6px 8px; border-radius:999px; }
.pcv-360.pcv-drag{ cursor:grabbing; }
.pcv-360 .pcv-frames{ cursor:grab; }