:root{color-scheme:light;--bg-0: #f4f9ff;--bg-1: #eaf4ff;--bg-2: #d8ebff;--panel: rgba(255, 255, 255, .72);--panel-soft: rgba(246, 251, 255, .66);--line: rgba(53, 118, 170, .2);--text: #173953;--muted: #5f7d96;--accent: #1eb2ea;--accent-2: #39d4be;--danger: #df5b43}*{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden;touch-action:manipulation;overscroll-behavior:none;-webkit-text-size-adjust:100%;font-family:Avenir Next,PingFang SC,Noto Sans SC,Microsoft YaHei,sans-serif;color:var(--text);background:radial-gradient(circle at 10% 10%,var(--bg-2) 0%,var(--bg-1) 35%,var(--bg-0) 100%)}.tour-app{position:relative;width:100%;height:100%;overflow:hidden}.viewer-section{position:absolute;top:0;right:0;bottom:0;left:0}.viewer{width:100%;height:100%;background:#deeeff}.viewer-shade{position:absolute;left:0;right:0;pointer-events:none}.viewer-shade.top{top:0;height:160px;background:linear-gradient(180deg,#d2e4f46b,#d2e4f400)}.viewer-shade.bottom{bottom:0;height:180px;background:linear-gradient(0deg,#d5e6f573,#d5e6f500)}.top-bar{position:absolute;top:14px;left:12px;right:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:12}.brand-pill{min-width:0;padding:10px 14px;border-radius:14px;border:1px solid var(--line);background:#ffffff9e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.brand-title{margin:0;font-size:14px;font-weight:650;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand-sub{margin:4px 0 0;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.icon-btn{border:1px solid var(--line);background:#ffffffa8;color:var(--text);border-radius:12px;min-width:78px;height:40px;font-size:13px;font-weight:600;cursor:pointer}.scene-indicator{position:absolute;left:12px;right:64px;bottom:86px;z-index:10;display:flex;flex-direction:column;gap:4px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:#ffffff9e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.scene-indicator strong{font-size:15px;font-weight:650}.scene-indicator span{font-size:12px;color:var(--muted)}.scene-warning{position:absolute;left:12px;right:64px;bottom:152px;z-index:11;border:1px solid rgba(223,91,67,.45);background:#fff4f1c7;border-radius:12px;padding:10px 12px;color:#8a2e1f;font-size:12px;line-height:1.4}.network-warning{bottom:206px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#ffffffc7;color:#28506e}.network-warning span{min-width:0}.inline-retry-btn{flex:0 0 auto;height:30px;padding:0 12px;border-radius:999px;border:1px solid rgba(59,166,226,.35);background:#e8f7ffe6;color:#137bb8;font-weight:700;cursor:pointer}.zoom-panel{position:absolute;z-index:14;right:12px;bottom:170px;width:44px;padding:8px 7px;border-radius:14px;border:1px solid var(--line);background:#ffffffa8;display:flex;flex-direction:column;align-items:center;gap:8px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.zoom-btn{width:30px;height:30px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);font-size:18px;line-height:1;cursor:pointer}.zoom-slider{writing-mode:vertical-lr;width:18px;height:90px}.bottom-nav{position:absolute;z-index:13;bottom:16px;left:12px;right:12px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.nav-btn{height:46px;border-radius:12px;border:1px solid var(--line);background:#ffffffa3;color:var(--text);font-weight:600;font-size:14px;letter-spacing:.2px;cursor:pointer}.nav-btn.primary{border:none;background:linear-gradient(120deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff}.nav-btn:disabled{cursor:not-allowed;opacity:.45}.state-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:25;display:grid;place-items:center;gap:12px;text-align:center;padding:24px;background:#e8f3fcb8}.state-overlay p{margin:0;font-size:14px}.state-overlay.error p{color:#8a2e1f}.retry-btn{height:40px;min-width:108px;border-radius:10px;border:none;background:linear-gradient(120deg,#ff9a7c 0%,var(--danger) 100%);color:#fff;font-weight:700;cursor:pointer}.control-panel{position:fixed;left:0;right:0;bottom:0;z-index:20;max-height:82vh;display:flex;flex-direction:column;background:var(--panel);border-top:1px solid var(--line);border-radius:20px 20px 0 0;transform:translateY(105%);transition:transform .26s ease;box-shadow:0 -12px 32px #2c588033}.control-panel.open{transform:translateY(0)}.panel-handle{width:56px;height:5px;border-radius:6px;margin:10px auto 2px;background:#5690be59}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px}.panel-head h2{margin:0;font-size:16px;letter-spacing:.2px}.close-btn{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:10px;min-width:74px;height:34px;font-size:12px;cursor:pointer}.tab-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:4px 14px 10px}.tab-btn{height:38px;border-radius:10px;border:1px solid var(--line);background:var(--panel-soft);color:var(--muted);font-size:13px;font-weight:650;cursor:pointer}.tab-btn.active{color:#fff;border:none;background:linear-gradient(120deg,var(--accent) 0%,var(--accent-2) 100%)}.panel-body{flex:1;overflow:auto;padding:0 14px 16px}.route-card{border:1px solid var(--line);border-radius:14px;padding:12px;background:#ffffffad;margin-bottom:10px}.route-card.active{border-color:#1eb2eab8;box-shadow:0 0 0 1px #1eb2ea3d inset}.route-main{cursor:pointer}.route-main h3{margin:0;font-size:14px;line-height:1.35}.route-main p{margin:6px 0 0;font-size:12px;color:var(--muted);line-height:1.45}.route-actions{display:flex;gap:8px;margin-top:10px}.mini-btn{flex:1;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:12px;font-weight:650;cursor:pointer}.mini-btn.primary{border:none;background:linear-gradient(120deg,var(--accent) 0%,var(--accent-2) 100%);color:#fff}.node-list{margin:10px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}.node-item{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:10px;border:1px solid rgba(103,154,196,.24);background:#f5fbffb8;cursor:pointer}.node-item.active{border-color:#1eb2eac2;background:#e5f5ffcc}.node-seq{min-width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#2497e033;color:#1b557f;font-size:12px;font-weight:700}.node-text{min-width:0;display:flex;flex-direction:column}.node-text strong{font-size:13px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.node-text small{margin-top:2px;font-size:11px;color:var(--muted)}.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;align-content:start}.scene-filter-panel{grid-column:1 / -1;display:grid;gap:8px;margin-bottom:4px}.scene-filter-panel input,.scene-filter-panel select{width:100%;min-height:38px;border:1px solid var(--line);border-radius:12px;padding:0 10px;background:#ffffffbd;color:var(--text);font:inherit;outline:none}.scene-filter-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.scene-btn{min-width:0;min-height:78px;border:1px solid var(--line);border-radius:12px;background:#ffffffad;color:var(--text);text-align:left;padding:10px 12px;display:flex;flex-direction:column;gap:4px;cursor:pointer}.scene-btn strong{font-size:13px;line-height:1.35;display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.scene-meta{display:flex;align-items:center;flex-wrap:wrap;gap:4px;margin-top:auto}.scene-tag{display:inline-flex;align-items:center;min-height:20px;padding:2px 7px;border:1px solid transparent;border-radius:999px;font-size:10px;font-weight:650;line-height:1.2;white-space:nowrap}.scene-category-tag.tone-0{color:#185d91;border-color:#368bcd47;background:#daefffe6}.scene-category-tag.tone-1{color:#6550a5;border-color:#7d60be42;background:#ede6ffeb}.scene-category-tag.tone-2{color:#08757b;border-color:#169b9f47;background:#d6f7f5eb}.scene-category-tag.tone-3{color:#9a5917;border-color:#d3893547;background:#ffefd2f0}.scene-category-tag.tone-4{color:#9b4661;border-color:#c35c7c42;background:#ffe3edeb}.scene-category-tag.tone-5{color:#38713d;border-color:#4b975242;background:#e0f5dceb}.scene-space-tag.indoor{color:#53627a;border-color:#6b7c963d;background:#e8eef7f0}.scene-space-tag.outdoor{color:#34735f;border-color:#45977c3d;background:#def5ecf0}.scene-btn.active{border-color:#1eb2eac7;box-shadow:0 0 0 1px #1eb2ea4d inset;background:#e8f6ffd1}.scene-empty{grid-column:1 / -1;padding:18px 12px;border:1px dashed rgba(30,178,234,.35);border-radius:12px;color:var(--muted);text-align:center}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:16;background:#1b45673d;opacity:0;pointer-events:none;transition:opacity .22s ease}.backdrop.show{opacity:1;pointer-events:auto}.campus-map-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;flex-direction:column;gap:12px;padding:14px;background:radial-gradient(circle at 10% 6%,#c4e8ffe6,#ebf7fff5 38%,#f8fcfffa)}.campus-map-head,.campus-map-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:#ffffffad;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.campus-map-head p,.campus-map-head h2{margin:0}.campus-map-head p{color:var(--muted);font-size:11px}.campus-map-head h2{margin-top:3px;font-size:17px}.campus-map-head button,.campus-map-switcher button{border:1px solid var(--line);border-radius:10px;min-height:38px;padding:0 12px;background:#fffc;color:var(--text);font-weight:650;cursor:pointer}.campus-map-switcher{display:flex;gap:8px;overflow-x:auto}.campus-map-switcher button.active{border:none;color:#fff;background:linear-gradient(120deg,var(--accent) 0%,var(--accent-2) 100%)}.campus-map-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:12px;padding:8px 10px;background:#ffffff94;color:var(--muted);font-size:12px}.campus-map-toolbar div{display:flex;align-items:center;gap:8px}.campus-map-toolbar button{min-height:32px;border:1px solid var(--line);border-radius:9px;padding:0 10px;color:var(--text);background:#ffffffdb;font-weight:650;cursor:pointer}.campus-map-toolbar strong{min-width:44px;text-align:center;color:#146b99}.campus-map-scroll{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff9;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.campus-map-scroll.dragging{cursor:grabbing}.campus-map-canvas{position:relative;width:min(100%,1360px);height:auto;max-width:100%;max-height:100%;transform-origin:50% 50%;transition:transform .12s ease}.campus-map-scroll.dragging .campus-map-canvas{transition:none}.campus-map-stage{position:relative;width:100%;height:100%;min-height:0;overflow:hidden;background:#e0f1fcb8}.campus-map-stage img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}.campus-map-state{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;color:var(--muted);text-align:center;background:#f0f8ffe0}.campus-map-state.error{color:#8a2e1f;background:#fff4f1eb}.campus-map-state span{max-width:560px;color:var(--muted);font-size:12px;line-height:1.5}.campus-map-state button{min-height:38px;border:1px solid var(--line);border-radius:10px;padding:0 14px;color:#fff;background:linear-gradient(120deg,var(--accent) 0%,var(--accent-2) 100%);cursor:pointer}.campus-map-marker{position:absolute;display:flex;align-items:center;gap:1px;transform:translate(-50%,-50%);border:1px solid rgba(255,255,255,.92);border-radius:999px;padding:3px 6px 3px 4px;color:#fff;background:#0a90d7e6;box-shadow:0 4px 14px #083f6a57;cursor:pointer;animation:map-marker-pulse 1.8s infinite ease-in-out}.campus-map-marker span{font-size:10px;line-height:1}.campus-map-marker small{max-width:104px;overflow:hidden;font-size:8px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.campus-map-footer{color:var(--muted);font-size:12px}.campus-map-footer strong{color:#146b99}@keyframes map-marker-pulse{0%,to{box-shadow:0 4px 14px #083f6a52,0 0 #1eb2ea2e}50%{box-shadow:0 6px 18px #083f6a61,0 0 0 5px #1eb2ea14}}.arrow-hotspot{width:26px;height:26px;border:0;background:transparent;overflow:visible;cursor:pointer;pointer-events:auto;z-index:30!important}.arrow-surface{position:absolute;left:50%;top:50%;width:54px;height:38px;display:inline-flex;align-items:center;justify-content:center;border:2px solid rgba(255,255,255,.9);border-radius:50%;color:#fff;background:radial-gradient(circle,#32c7c3d1,#108bd3d6 68%,#0a5ba4e0);box-shadow:0 5px 10px #052b494d;transform:translate(-50%,-50%);transform-origin:50% 50%}.arrow-hotspot-ground .arrow-surface{transform:translate(-50%,-50%) perspective(90px) rotateX(58deg)}.arrow-surface:before{content:"";position:absolute;top:5px;right:5px;bottom:5px;left:5px;border-radius:50%;border:1px solid rgba(255,255,255,.72);background:#ffffff14}.arrow-glyph{position:relative;z-index:1;font-size:20px;line-height:1;font-weight:700;text-shadow:0 2px 3px rgba(0,0,0,.34)}.arrow-label{position:absolute;left:50%;top:calc(50% + 26px);max-width:128px;padding:3px 7px;border:1px solid rgba(255,255,255,.72);border-radius:999px;color:#fff;background:#052a499e;box-shadow:0 4px 12px #052a493d;font-size:10px;line-height:1.25;text-align:center;text-shadow:0 1px 2px rgba(0,0,0,.38);transform:translate(-50%);white-space:nowrap;pointer-events:none}.pnlm-zoom-controls{display:none!important}@media(min-width:1025px){.tour-app{display:grid;grid-template-columns:minmax(0,1fr) 380px}.viewer-section{position:relative;grid-column:1 / 2}.top-bar{left:16px;right:16px}.scene-indicator{left:16px;right:auto;max-width:520px;bottom:92px}.scene-warning{left:16px;right:auto;width:min(620px,calc(100vw - 430px));bottom:160px}.network-warning{bottom:218px}.zoom-panel{right:20px;bottom:170px}.bottom-nav{left:16px;right:auto;width:460px}.control-panel{position:relative;grid-column:2 / 3;max-height:none;height:100%;border-radius:0;border-top:0;border-left:1px solid var(--line);transform:translateY(0);box-shadow:-6px 0 28px #00000024}.panel-handle,.close-btn,.backdrop{display:none}}@media(max-width:640px){.campus-map-overlay{padding:10px}.campus-map-toolbar{align-items:flex-start;flex-direction:column}.campus-map-toolbar div{width:100%;justify-content:space-between}.campus-map-canvas{width:100%;height:auto}.campus-map-marker{gap:1px;padding:2px 4px 2px 3px;transform:translate(-50%,-50%) scale(.58);box-shadow:0 2px 8px #083f6a3d}.campus-map-marker span{font-size:9px}.campus-map-marker small{max-width:64px;font-size:7px;font-weight:600}.campus-map-footer{align-items:flex-start;flex-direction:column;gap:3px}}