/* PanoViewer 基本樣式；各網站用 CSS 變數覆蓋顏色 */
.pv{position:relative;overflow:hidden;touch-action:none;cursor:grab;outline:none;user-select:none;-webkit-user-select:none;background:#111}
.pv.pv-drag{cursor:grabbing}
.pv canvas{display:block;width:100%!important;height:100%!important}
.pv-layer{position:absolute;inset:0;pointer-events:none}
.pv-layer>*{position:absolute;left:0;top:0;pointer-events:auto;will-change:transform}
.pv-off{opacity:0;pointer-events:none!important}
.pv.pv-loading::after{content:"載入中…";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fff;font-size:13px;letter-spacing:2px;background:rgba(0,0,0,.5);padding:8px 14px;border-radius:20px}

/* 地面箭頭 */
.pv-arrow{width:64px;height:64px;margin:-32px 0 0 -32px;border:0;background:none;cursor:pointer;transition:opacity .2s}
.pv-arrow svg{width:64px;height:64px;filter:drop-shadow(0 2px 3px rgba(0,0,0,.55));transform:perspective(120px) rotateX(38deg)}
.pv-arrow path{fill:none;stroke:var(--pv-arrow,#fff);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;transition:stroke .15s}
.pv-arrow:hover path,.pv-arrow:focus-visible path{stroke:var(--pv-accent,#ffd24a)}
.pv-arrow span{position:absolute;left:50%;top:100%;white-space:nowrap;font-size:12px;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.8);translate:-50% 0;transform-origin:50% -24px;opacity:0;transition:opacity .15s}
.pv-arrow:hover span,.pv-arrow:focus-visible span{opacity:1}

/* 資訊點 */
.pv-spot{width:0;height:0;border:0;background:none;cursor:pointer;transition:opacity .2s}
.pv-spot i{position:absolute;left:-15px;top:-15px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-weight:700;font-size:15px;color:var(--pv-spot-fg,#111);background:var(--pv-spot-bg,rgba(255,255,255,.92));box-shadow:0 0 0 6px var(--pv-spot-ring,rgba(255,255,255,.28)),0 4px 14px rgba(0,0,0,.35);animation:pv-pulse 2.4s ease-in-out infinite}
.pv-spot span{position:absolute;left:22px;top:-12px;white-space:nowrap;font-size:12px;font-weight:700;padding:4px 10px;border-radius:14px;background:rgba(0,0,0,.65);color:#fff;opacity:0;transform:translateX(-4px);transition:all .18s;pointer-events:none}
.pv-spot:hover span,.pv-spot:focus-visible span,.pv-spot.pv-active span{opacity:1;transform:none}
.pv-spot:focus-visible i{outline:2px solid var(--pv-accent,#ffd24a);outline-offset:4px}
@keyframes pv-pulse{50%{box-shadow:0 0 0 11px transparent,0 4px 14px rgba(0,0,0,.35)}}
@media (prefers-reduced-motion:reduce){.pv-spot i{animation:none}}