:root{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#292b29;background:#fff;font-synthesis:none;--accent: #82352f;--muted: #83867f;--rule: #e1e3de}*{box-sizing:border-box}body{margin:0}button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;-webkit-tap-highlight-color:transparent}button:disabled{opacity:.38;cursor:default}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button svg{flex-shrink:0}.museum-app{width:100%;min-height:100svh;height:100svh;display:flex;flex-direction:column;background:#fff;padding:0 36px 18px;position:relative;overflow:hidden}.app-header{height:100px;min-height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #303530;gap:16px}.identity{display:flex;align-items:baseline;gap:22px;min-width:0}.identity h1{font-family:"Noto Serif SC",Songti 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minmax(0,1fr);gap:20px;padding-top:18px}.space-nav{display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}.room-list{display:flex;flex-direction:column;gap:5px;flex:1;min-height:0;overflow-y:auto;padding-right:8px;scrollbar-width:thin;scrollbar-color:#d9ddd4 transparent}.room-card{position:relative;flex:0 0 auto;width:100%}.room-button{display:flex;align-items:center;gap:11px;padding:5px;width:100%;border:1px solid transparent;border-radius:7px;text-align:left;font-size:12px;line-height:1.4;font-weight:400;flex-shrink:0}.room-picture{position:relative;display:block;flex-shrink:0;line-height:0}.room-thumbnail{width:70px;height:41px;flex-shrink:0;object-fit:cover;border-radius:4px;background:#f0f0ea}.room-number{position:absolute;left:3px;top:3px;border-radius:3px;background:#fffffff2;color:#353c34;font-size:10px;font-weight:600;line-height:1;padding:3px 4px;font-variant-numeric:tabular-nums;box-shadow:0 1px 3px 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#dddcd4;border-radius:8px;background:#fffffff0;touch-action:none;user-select:none;-webkit-user-select:none;isolation:isolate}.segment-thumb{position:absolute;z-index:-1;left:3px;top:3px;bottom:3px;width:calc((100% - 6px) / var(--segment-count));border-radius:5px;transform:translate(calc(var(--segment-index) * 100%));background:var(--accent);box-shadow:0 1px 4px #82352f1f;transition:transform .18s ease;pointer-events:none}.segmented-control button{position:relative;padding:8px 10px;font-size:12px;min-height:34px;white-space:nowrap;color:#71786b;border-radius:5px;display:flex;align-items:center;justify-content:center;gap:5px}.segmented-control button[aria-checked=true]{color:#fff}.segmented-control.is-disabled{opacity:.55}.segmented-control button:disabled{opacity:1}.tour-segments{width:180px}.viewport-toolbar{display:flex;align-items:center;gap:1px;padding:3px;background:#fffffff0;border:1px solid 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.joystick-knob{background:#68725e;box-shadow:0 2px 7px #68725e33}.joystick-caption,.is-walking .enter-button,.is-walking .walk-button{display:none}.loading-overlay{position:absolute;inset:0;background:#fff;display:flex;align-items:center;justify-content:center;z-index:7}.loading-inner{max-width:320px;padding:28px;text-align:center;color:#737b6c}.loading-inner p{font-size:13px;line-height:1.8;margin:20px 0 8px}.loading-progress{font-size:12px;color:#828b78}.loader{width:29px;height:29px;border:1px solid #e0e3db;border-top-color:#82352f;border-radius:50%;animation:spin 1.2s linear infinite;margin:auto}.loading-inner button{margin-top:10px;padding:9px 20px;border:1px solid #cdd2c6;border-radius:5px;font-size:12px}.notice{position:absolute;z-index:8;top:106px;right:8px;padding:11px 15px;background:#fff;border:1px solid #dce0d7;border-radius:5px;color:#656e5c;font-size:12px}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1700px){.museum-app{padding:0 52px 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.room-button{min-height:40px}.foyer-scheme{margin:2px 0 3px 62px;width:64px}.space-nav{overflow:hidden}.space-detail{height:auto;padding:6px 5px 0 0}.enter-button,.walk-button{position:static;min-height:31px;width:100%;padding:5px 8px;font-size:11px}.walk-button{margin-top:5px}.viewport{margin:0}.is-walking .workspace{display:flex;flex-direction:column}.is-walking .space-nav{display:none}.is-walking .viewport{flex:1}.is-walking .walk-controls{left:18px;right:18px;bottom:20px}.is-walking .joystick{width:64px;height:64px}.is-walking .joystick-knob{left:calc(50% - 13px);top:calc(50% - 13px);width:26px;height:26px}.is-walking .walk-status{bottom:30px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}