/* V4 新增展陈区，兼容 V3 按钮和玻璃拟态系统 */
.museum-panel{border:1px solid rgba(214,196,147,.37);border-radius:24px;overflow:hidden;margin:22px 0 28px;color:#f3eee5;background:radial-gradient(circle at 75% 30%,rgba(172,135,95,.20),transparent 43%),linear-gradient(138deg,#0f3739,#061c24 70%);box-shadow:0 25px 65px rgba(0,38,39,.18)}
.museum-topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 24px 0}.museum-kicker{color:#d7bb83;font-size:11px;letter-spacing:.22em}.museum-subtitle{color:#c9d5ce;font-size:12px}
.museum-panel h2{font-family:inherit;font-size:clamp(22px,3vw,29px);font-weight:600;line-height:1.3;margin:9px 0 5px;color:#f4eee3}.museum-selectors{display:flex;flex-wrap:wrap;gap:8px;margin:12px 24px 4px}.museum-selectors button{color:#d7dad6;cursor:pointer;padding:10px 15px;border-radius:60px;background:rgba(244,250,249,.07);border:1px solid rgba(237,235,218,.18);font-size:13px}.museum-selectors button.active{background:rgba(211,175,112,.18);color:#ffe8b6;border-color:rgba(222,178,109,.67)}
.museum-body{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(235px,1fr);gap:0;align-items:stretch;min-height:380px}.museum-canvas-wrap{position:relative;min-height:390px;background:radial-gradient(ellipse at 50% 52%,rgba(118,158,153,.23) 0%,transparent 66%),repeating-linear-gradient(0deg,transparent 0 35px,rgba(194,224,207,.025) 36px 37px)}
#museum-canvas{width:100%;height:100%;min-height:390px;touch-action:none;display:block;cursor:grab}#museum-canvas:active{cursor:grabbing}.museum-dais{position:absolute;bottom:21px;left:18%;right:18%;height:14px;border-radius:50%;background:rgba(193,165,113,.16);filter:blur(13px);pointer-events:none}.museum-hotspots{position:absolute;inset:0;pointer-events:none}.museum-spot{position:absolute;width:32px;height:32px;transform:translate(-50%,-50%);border-radius:50%;border:1px solid #f4d6a0;color:#282d2d;background:linear-gradient(135deg,#f1d6a1,#bfa06a);font-size:11px;font-weight:750;box-shadow:0 0 0 6px rgba(212,177,117,.10);cursor:pointer;pointer-events:auto}.museum-hotspot-detail{position:absolute;left:15px;right:15px;bottom:60px;background:rgba(9,36,42,.94);color:#f8ead4;border:1px solid rgba(227,185,121,.6);border-radius:15px;padding:14px 44px 15px 15px;backdrop-filter:blur(18px);z-index:10}.museum-hotspot-detail strong{font-size:14px}.museum-hotspot-detail p{font-size:13px;margin:6px 0 0;color:#d7d7cf;line-height:1.55}.museum-hotspot-detail button{position:absolute;top:9px;right:11px;background:none;border:0;color:#eee;font-size:23px;cursor:pointer}
.museum-info{border-left:1px solid rgba(239,219,181,.15);background:linear-gradient(180deg,rgba(237,237,227,.055),rgba(254,254,254,.01));padding:28px 20px;display:flex;flex-direction:column;justify-content:center;gap:9px}.museum-info b{font-size:19px;font-weight:600;color:#f4e5c5}.museum-info p{color:#cad5d2;font-size:13px;line-height:1.85;margin:4px 0}.museum-provenance{color:#d3b784;font-size:11px;line-height:1.7}.museum-controls{display:flex;flex-wrap:wrap;gap:8px;padding-top:13px}.museum-controls button{background:rgba(252,248,236,.09);border:1px solid rgba(252,248,236,.16);color:#ebebe5;border-radius:8px;font-size:12px;padding:8px 10px;cursor:pointer}.museum-status{font-size:11px;line-height:1.6;color:#c3d2c9}.museum-honesty{padding:11px 22px;background:rgba(20,35,40,.75);color:#d1d0c7;font-size:11px;line-height:1.7;border-top:1px solid rgba(239,219,181,.13)}
.heritage-audio-section{margin:22px 0 30px;padding:26px;border-radius:22px;border:1px solid #d9dbd2;background:linear-gradient(130deg,#f7f6f0,#e9f0ed)}.heritage-audio-section h2{font-size:25px;margin:5px 0 11px;color:#214447}.heritage-audio-section>p{font-size:13px;line-height:1.75;color:#506667;margin-bottom:16px}.heritage-audio-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.heritage-audio-card{border-radius:15px;background:rgba(255,255,255,.84);border:1px solid #d9e3dc;padding:15px;min-width:0;display:flex;flex-direction:column;gap:9px;transition:border-color .2s,box-shadow .2s}.heritage-audio-card.archive-playing{border-color:#b5965d;box-shadow:0 0 0 3px #e5dac744}.heritage-audio-top{display:flex;gap:8px;align-items:center;justify-content:space-between}.heritage-audio-index{font-size:10px;color:#7f8d87}.heritage-audio-state{font-size:10px;background:#fff0da;color:#765a37;padding:5px 7px;border-radius:30px}.heritage-audio-card h3{color:#193c3f;font-size:18px;margin:0}.heritage-audio-card p{font-size:12px;line-height:1.7;color:#425d5c;margin:0}.heritage-audio-card .heritage-audio-provenance{font-size:10px;color:#667470}.heritage-audio-card audio{width:100%;max-width:100%;height:38px}.heritage-audio-controls{display:flex;gap:8px;align-items:center;margin-top:auto}.heritage-audio-controls label,.heritage-audio-controls button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;background:#163f41;color:white;border:1px solid #163f41;padding:9px 12px;font-size:12px}.heritage-audio-controls button{background:white;color:#255355;border-color:#b4cbc5}.heritage-audio-file{position:absolute;width:1px;height:1px;opacity:0}.heritage-audio-hint{font-size:10px;line-height:1.6;color:#7a8580}.heritage-audio-public{background:#e8eeee;border:1px solid #cfddd7;padding:12px 15px;border-radius:12px;margin-top:13px}.heritage-audio-public a{color:#235d61;text-decoration:underline}.heritage-audio-public p{color:#4d6360;font-size:12px;margin:0;line-height:1.8}.heritage-audio-public p+p{margin-top:7px}
@media(max-width:850px){.museum-body{grid-template-columns:1fr}.museum-info{border-left:0;border-top:1px solid rgba(239,219,181,.13)}.museum-canvas-wrap{min-height:315px}#museum-canvas{min-height:315px;height:340px}.heritage-audio-grid{grid-template-columns:1fr}.museum-topbar{align-items:flex-start;flex-direction:column}.heritage-audio-section{padding:17px}.museum-selectors{margin:12px 15px}.museum-topbar{padding:20px 17px 0}.museum-info{padding:20px}.museum-panel{border-radius:17px}}
@media(prefers-reduced-motion:reduce){.museum-panel *{transition:none!important}}

.museum-fallback-image{width:100%;height:390px;object-fit:contain;padding:14px;box-sizing:border-box}.museum-fallback-image[hidden]{display:none!important}
@media(max-width:850px){.museum-fallback-image{height:330px}}