@charset "UTF-8";
:root{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#203c37;background:#edf0ec;font-synthesis:none;--green:#205d50;--muted:#74817b;--line:#dce2db}
*{box-sizing:border-box}body{margin:0}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,[tabindex]:focus-visible{outline:3px solid #3a9e84;outline-offset:4px}button{border:0;background:transparent}button:disabled{opacity:.45;cursor:not-allowed}h1,h2,p{margin:0}button,a{-webkit-tap-highlight-color:transparent}.app{display:grid;grid-template-columns:300px 1fr;height:100svh;min-height:660px}.sidebar{background:#fafbf7;border-right:1px solid var(--line);padding:34px 26px 22px;display:flex;flex-direction:column;z-index:2}.brand{display:flex;gap:10px;align-items:center;font-size:13px;font-weight:600;line-height:1.7}.brand h1{font:inherit}.destinations{margin-top:36px}.brand svg{width:30px;height:30px;fill:none;stroke:var(--green);stroke-width:1.7;flex:none}.section-heading{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px}.section-heading h2{font-size:12px;letter-spacing:1px;font-weight:500}.section-heading>span{font-size:10px;color:var(--muted)}.destination{width:100%;padding:23px 2px;display:flex;align-items:center;gap:13px;text-align:left;border-bottom:1px solid var(--line);transition:background .2s,padding .2s}.destination:hover,.destination[aria-pressed=true]{background:#e9efE7;padding-left:10px;padding-right:9px}.number{font-size:10px;color:#929e94}.destination strong{display:block;font-size:15px;font-weight:500;letter-spacing:.5px}.destination small{display:block;font-size:10px;color:var(--muted);margin-top:7px}.destination>b{margin-left:auto;white-space:nowrap;font-size:13px;font-weight:500}.destination>b span{display:inline-block;margin-left:5px;color:#83918a}.destination[aria-pressed=true]>b{color:var(--green)}.selection{margin-top:32px;font-size:12px;line-height:1.9}.selection h2{font-size:17px;font-weight:500;margin:10px 0}.selection>p{color:#78817a}.selection .floor-detail{font-size:30px;color:var(--green);margin-bottom:10px}.selection button{margin-top:16px;background:var(--green);color:#fff;padding:10px 13px;border-radius:3px;font-size:11px}.workspace{min-width:0;position:relative;display:grid;grid-template-rows:65px 1fr 57px 115px;overflow:hidden}.view-header{display:flex;justify-content:space-between;align-items:center;padding:0 30px;font-size:11px;background:#f1f3ed;z-index:1}.view-header>div{display:flex;align-items:center;gap:13px}.view-badge{font-size:9px;padding:6px 10px;border:1px solid #cbd6ca;border-radius:3px;color:#65796b}.text-button{min-height:40px;white-space:nowrap;font-size:11px}.text-button span{margin-left:9px}.viewport{position:relative;min-height:0;overflow:hidden;outline-offset:-4px!important;background:#e5ebe3}.viewport canvas{position:absolute;inset:0;display:block;touch-action:none}.viewport>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.viewport.ready>img{display:none}.load-status{position:absolute;bottom:15px;left:50%;transform:translateX(-50%);font-size:11px;padding:9px 15px;white-space:normal;width:max-content;max-width:90%;color:#fff;background:#203c37d9;border-radius:3px}.viewport.ready .load-status{display:none}#labels{position:absolute;inset:0;pointer-events:none}.model-label{position:absolute;left:0;top:0;transform:translate(-50%,-100%);font-size:10px;white-space:nowrap;background:#fdfdf6ed;border:1px solid #d3ddcd;padding:7px 10px;border-radius:4px;color:#294b40;box-shadow:0 3px 10px #15332d10;transition:opacity .2s}.model-label::after{content:"";position:absolute;left:50%;bottom:-20px;width:1px;height:20px;background:#7b9384}.model-label.active{background:#205d50;color:white;border-color:#205d50}.toolbar{position:absolute;right:25px;top:83px;display:flex;align-items:center;gap:3px;z-index:1;background:#fafbf8ed;padding:5px;border:1px solid #dbe2d6;border-radius:6px;box-shadow:0 5px 20px #182d2510}.toolbar button{padding:9px 12px;font-size:11px;min-height:36px;border-radius:3px}.toolbar button:hover,.toolbar button[aria-pressed=true]{background:#dfE9dc;color:var(--green)}.toolbar>span{height:18px;border-left:1px solid var(--line);margin:0 3px}.scene-footer{display:flex;justify-content:space-between;align-items:center;padding:0 30px;font-size:9px;color:var(--muted);background:#edf0e9;border-top:1px solid #dfe4da}.interaction-hint span,.model-note span{display:block;margin-top:5px;font-size:8px;opacity:.9}.model-note{text-align:right}.photo-strip{display:flex;gap:12px;align-items:center;background:#f7f8f2;border-top:1px solid var(--line);padding:16px 30px;min-width:0}.photo-strip-title{width:83px;flex:none;font-size:12px}.photo-strip button{position:relative;height:76px;flex:1;max-width:185px;min-width:0;overflow:hidden;padding:0;border-radius:3px}.photo-strip img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.photo-strip button:hover img{transform:scale(1.06)}.photo-strip button::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 30%,#102c25a6)}.photo-strip button>span{position:absolute;left:10px;bottom:8px;color:white;font-size:10px;z-index:1}.photo-strip button:hover{outline:2px solid var(--green)}dialog{padding:0;border:0;background:#f8faf5;color:#203c37;border-radius:7px;box-shadow:0 25px 90px #0b282b55;max-width:1100px;width:90vw;max-height:92svh}dialog::backdrop{background:#102421b3;backdrop-filter:blur(5px)}.dialog-header{padding:20px 25px;display:flex;align-items:center;justify-content:space-between}.dialog-header h2{font-size:18px;font-weight:500;margin-top:5px}.close-button{width:40px;height:40px;background:#e7ede3;border-radius:50%;font-size:16px}.photo-stage{background:#182722;display:flex;justify-content:center}.photo-stage img{max-width:100%;width:auto;height:60svh;object-fit:contain}.dialog-footer{padding:15px 25px 22px;font-size:11px;color:var(--muted)}#photo-tabs{display:flex;gap:5px;flex-wrap:wrap;margin-top:15px}#photo-tabs button{border:1px solid #d9e1d6;border-radius:3px;padding:8px 10px;font-size:10px}#photo-tabs button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.no-script{position:fixed;bottom:0;left:0;right:0;padding:10px;background:#fff;z-index:10}
.sidebar,.workspace{min-height:0}.sidebar{overflow-y:auto}.selection{flex-shrink:0}
@media(min-width:1500px){.app{grid-template-columns:340px 1fr}.sidebar{padding:38px 32px}.destination{padding-top:28px;padding-bottom:28px}.selection{margin-top:44px}}
@media(max-width:850px){.app{grid-template-columns:240px 1fr}.sidebar{padding:24px 18px}.brand{font-size:11px}.destination{gap:9px}.destination strong{font-size:13px}.destination small{font-size:9px}.selection{margin-top:24px}.view-header{padding:0 18px}.toolbar{right:12px;gap:0}.toolbar button{padding:8px}.photo-strip{padding:15px;gap:8px}.photo-strip-title{width:55px;font-size:10px}.scene-footer{padding:0 16px}.model-note{display:none}}
@media(max-width:600px){.app{display:grid;overflow-anchor:none;grid-template-columns:minmax(0,1fr);height:auto;min-height:100svh;grid-template-rows:auto 48px minmax(330px,48svh) auto auto auto auto 47px 88px;grid-template-areas:"brand" "header" "model" "tools" "tour" "destinations" "selection" "hint" "photos"}.sidebar,.workspace{display:contents}.brand{grid-area:brand;padding:15px 18px;background:#fafbf7;font-size:12px}.brand svg{width:25px}.section-heading{display:none}.destinations{grid-area:destinations;margin-top:0;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 18px;background:#fafbf7}.destination{padding:15px 5px;border-top:1px solid var(--line);border-bottom:0;gap:6px}.destination strong{font-size:13px}.destination>b{font-size:11px}.destination>b span{display:none}.destination:hover,.destination[aria-pressed=true]{padding-left:5px;padding-right:5px}.number{font-size:8px}.selection{grid-area:selection;margin:0;padding:13px 18px;background:#eff3eb;border-top:1px solid var(--line);font-size:10px;line-height:1.7}.selection h2{display:inline;font-size:12px;margin-right:10px}.selection .floor-detail{display:inline;font-size:15px}.selection>p{margin-top:5px}.selection button{margin-top:8px;padding:7px 10px;font-size:10px}.view-header{padding:0 16px;font-size:10px}.view-badge{font-size:8px;padding:5px 7px}.view-header>div{gap:7px}.toolbar{grid-area:tools;position:static;justify-content:center;flex-wrap:wrap;border-radius:0;box-shadow:none;min-height:52px}.toolbar button{font-size:10px;padding:7px 9px;min-width:44px;min-height:44px}.toolbar button[data-view=reset] span{display:none}.scene-footer{font-size:8px;padding:0 15px}.interaction-hint span{font-size:7px}.photo-strip{padding:10px 12px;gap:6px}.photo-strip-title{width:43px;font-size:9px}.photo-strip button{height:60px}.photo-strip button>span{left:5px;bottom:6px;font-size:8px}.model-label{font-size:9px;padding:5px 7px}.dialog-header{padding:14px}.dialog-header h2{font-size:16px}.photo-stage img{height:45svh}.dialog-footer{padding:14px;font-size:10px}#photo-tabs button{padding:8px;font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}

.campus-filing{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;padding:14px 16px;background:#fafbf7;font-size:11px;line-height:1.8}.campus-filing a{color:#65796b;text-decoration:none}.campus-filing a:focus-visible{outline:2px solid #205d50;outline-offset:4px}
[hidden]{display:none!important}
.viewport{overflow:clip}
.selection .tour-start{display:block;width:100%;background:#205d50;font-size:12px;min-height:44px;margin:12px 0 0}.selection .tour-start:disabled{background:#7c8e83}
.tour-panel{position:absolute;bottom:188px;left:18px;width:min(420px,calc(100% - 36px));background:#fafcf6f5;border:1px solid #d6e1d2;border-radius:12px;padding:14px 16px 8px;box-shadow:0 8px 28px #213c3520;z-index:2;backdrop-filter:blur(12px)}
.tour-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px}.tour-heading span{font-size:9px;color:#8a7045}.tour-panel>p{margin:8px 0;color:#667b6f;font-size:11px;line-height:1.6}.tour-panel progress{appearance:none;border:0;display:block;width:100%;height:4px;border-radius:8px;overflow:hidden;background:#e0e6dc;accent-color:#ce9a46}.tour-panel progress::-webkit-progress-bar{background:#e0e6dc}.tour-panel progress::-webkit-progress-value{background:#ce9a46}.tour-panel progress::-moz-progress-bar{background:#ce9a46}.tour-actions{display:flex;align-items:center;gap:2px;margin-top:5px}.tour-actions button{flex:1;min-height:44px;font-size:10px;border-radius:6px;white-space:nowrap}.tour-actions button:hover{background:#e9eee4}#tour-play{color:#fff;background:#205d50;flex:.8}#tour-play:disabled{background:#89978c}.tour-arrival{display:grid;grid-template-columns:105px 1fr;gap:12px;align-items:center;margin:8px 0;padding-top:12px;border-top:1px solid var(--line)}.tour-arrival button{padding:0;border-radius:5px;overflow:hidden}.tour-arrival img{display:block;width:100%;height:70px;object-fit:cover}.tour-arrival p{font-size:11px;line-height:1.7;color:#3c594b}
@media(max-width:600px){.view-header{grid-area:header}.viewport{grid-area:model}.scene-footer{grid-area:hint}.photo-strip{grid-area:photos}.tour-panel{grid-area:tour;position:static;width:calc(100% - 20px);margin:0 10px 10px;padding:11px 12px 5px}.tour-heading{font-size:12px}.tour-panel>p{font-size:10px;margin:5px 0}.tour-actions button{font-size:10px}.tour-arrival{grid-template-columns:94px 1fr}.tour-arrival p{font-size:10px}.tour-active .selection>p,.tour-active .selection>button{display:none}.tour-active .selection{padding-top:9px;padding-bottom:9px}}

.route-start{margin:12px 0 0;padding:0;border:0;display:flex;gap:8px;min-width:0}.route-start legend{padding:0;margin-bottom:5px;font-size:10px;color:var(--muted)}.route-start label{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;min-height:44px;border:1px solid #cbd8cc;border-radius:5px;font-size:12px;cursor:pointer}.route-start label:has(input:checked){background:#e3ede2;border-color:#205d50;color:#205d50}.route-start input{margin:0;accent-color:#205d50}.route-start label:focus-within{outline:2px solid #205d50;outline-offset:2px}

@media(max-width:600px){body:not(.tour-active) .selection:has(.tour-start)::after{content:"";position:fixed;left:0;right:0;bottom:0;height:calc(72px + env(safe-area-inset-bottom));background:#fafbf7;box-shadow:0 -4px 20px #183f3914;z-index:3}.selection .tour-start{position:fixed;left:18px;right:18px;bottom:calc(12px + env(safe-area-inset-bottom));width:auto;min-height:48px;margin:0;font-size:14px;z-index:4;box-shadow:0 4px 24px #183f3940}.campus-filing{padding-bottom:calc(84px + env(safe-area-inset-bottom))}}

.brand h1{min-width:0}.campus-help{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin-left:auto;color:var(--green);text-decoration:none;flex:none}.campus-help:focus-visible,.destination-next:focus-visible,.tour-next-actions a:focus-visible{outline:3px solid #3a9e84;outline-offset:3px}.destination-next{display:block;color:var(--green);padding:12px 0;font-size:12px}.tour-next-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.tour-next-actions a{display:inline-flex;align-items:center;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:4px;color:var(--green);font-size:12px;text-decoration:none}.tour-next-actions{grid-column:1/-1}.tour-next-actions a{flex:1 1 100%}