:root{color-scheme:light;--ink:#253b4d;--muted:#6c7e8c;--blue:#2c64a5;--panel:#fffffff2;--line:#ced9df;--bg:#e9eef0;--glass:#7096aa;--glass-dark:#385769;--roof:#d6dadd;--wall:#c3ced3;--grass:#9eae91;--lawn:#b9c5aa;--road:#67747b;--window:#a8cad4}
*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible{outline:2px solid #d99a49;outline-offset:4px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}
.site-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 3%;background:#ffffffef;border-bottom:1px solid #dce2e7;position:relative;z-index:10}.brand{display:flex;gap:11px;align-items:center}.brand img{width:39px;height:37px;object-fit:contain}.brand strong{display:block;font-size:17px;letter-spacing:2px}.brand small{font-size:8px;letter-spacing:1.6px;color:#69808f}.site-head nav{display:flex;gap:28px;align-items:center;font-size:12px}.site-head .back{font-size:12px;padding:11px 15px;border:1px solid #d7e0e5;border-radius:5px}
.experience{position:relative;isolation:isolate;height:calc(100svh - 70px);min-height:650px;overflow:hidden;background:radial-gradient(ellipse at 47% 35%,#fafbf7 0%,#edf1ef 46%,#d6e0e3 100%)}
.stage{width:100%;height:100%;position:absolute;inset:0}.stage svg{width:100%;height:100%;display:block;cursor:grab;touch-action:none}.stage svg.dragging{cursor:grabbing}.stage svg:focus-visible{outline:2px solid #547a9e;outline-offset:-4px}.world{transition:filter .6s}
.scene-heading{position:absolute;top:27px;left:32px;pointer-events:none}.scene-heading span{font:10px Consolas,monospace;letter-spacing:2.8px;color:var(--muted)}.scene-heading h1{font-size:18px;font-weight:500;letter-spacing:3px;margin:9px 0 0}.scene-heading p{font-size:11px;color:var(--muted);margin-top:9px;letter-spacing:.5px}
.toolbar{position:absolute;top:25px;right:30px;display:flex;align-items:center;gap:5px;background:var(--panel);padding:5px;border:1px solid #cad5dd99;border-radius:9px;box-shadow:0 5px 20px #1b354509;backdrop-filter:blur(16px)}.toolbar button{display:flex;gap:7px;align-items:center;justify-content:center;border:0;background:transparent;min-width:38px;min-height:38px;padding:8px 11px;border-radius:5px;color:var(--ink);font-size:12px}.toolbar button:hover{background:#e4edf2}.toolbar svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.4}.toolbar .play-tour{background:#2f5f83;color:white;padding:8px 15px;margin-right:3px}.toolbar .play-tour:hover{background:#214d71}.toolbar .separator{height:18px;width:1px;background:#d4dee5}.toolbar output{font:11px Consolas,monospace;min-width:38px;text-align:center;color:var(--muted)}.toolbar button[aria-pressed=true]:not(.play-tour){color:#206b98;background:#e2eff6}
.scene-footer{position:absolute;bottom:18px;left:30px;right:30px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);pointer-events:none;letter-spacing:.7px}.scene-footer .status{display:flex;align-items:center;gap:6px}.scene-footer .status:before{content:"";width:5px;height:5px;border-radius:50%;background:#62948b}.guide-hint{position:absolute;bottom:50px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);white-space:nowrap;padding:9px 14px;background:#ffffff8c;border:1px solid #c9d6dd55;border-radius:20px;pointer-events:none}
.hotspot{cursor:pointer;outline:none}.hotspot .hit{fill:transparent;stroke:none}.hotspot .pin{fill:#faffffb0;stroke:#50718b;stroke-width:.65}.hotspot .cross{fill:none;stroke:#416c88;stroke-width:.7}.hotspot .spot-name{font-size:12px;fill:#365269;font-weight:600;paint-order:stroke;stroke:#f2f6f2;stroke-width:3px;stroke-linejoin:round}.hotspot .spot-sub{font-size:8px;fill:#718590;paint-order:stroke;stroke:#f2f6f2;stroke-width:2px}.hotspot:hover .pin,.hotspot:focus-visible .pin,.hotspot[aria-pressed=true] .pin{fill:white;stroke:#1a628e;stroke-width:1.6}.hotspot:focus-visible .cross{stroke:#b27b28}.spot-leader{stroke:#64819866;stroke-width:.5;fill:none;pointer-events:none}.hotspot.active .spot-name{fill:#086b9e}
.glass{fill:var(--glass)}.glass-dark{fill:var(--glass-dark)}.roof{fill:var(--roof)}.wall{fill:var(--wall)}.lawn{fill:var(--lawn)}.grass{fill:var(--grass)}.road{fill:var(--road)}.pane{fill:var(--window)}.pane.lit{fill:#c2d8dd}.glass-reflection{opacity:.17}.lamp-light{opacity:0}.window-glow{opacity:0}.server-led{fill:#6eaaac}.module-light{transition:opacity .5s;opacity:0}.module-selected .module-light{opacity:1}.object-shadow{fill:#253c4933}.ground-shadow{fill:#1f374128}.night-sky{opacity:0}.fine-route{fill:none;stroke:#347fa088;stroke-width:1;stroke-dasharray:3 8;opacity:0}.demo-active .fine-route{opacity:.55}
.demo-panel{position:absolute;right:30px;top:95px;width:310px;background:var(--panel);border:1px solid #c9d6df;border-radius:12px;box-shadow:0 16px 50px #1c3e4b15;padding:22px;backdrop-filter:blur(16px);color:var(--ink)}.panel-top{display:flex;align-items:center;justify-content:space-between}.panel-top span{font:10px Consolas,monospace;letter-spacing:2px;color:var(--muted)}.icon-btn{border:0;background:transparent;color:var(--muted);width:34px;height:34px;border-radius:5px;font-size:22px;margin:-8px}.icon-btn:hover{background:#e7edf2}.demo-panel h2{font-size:20px;line-height:1.4;margin:13px 0 7px;font-weight:600}.demo-panel .intro{color:var(--muted);font-size:12px;line-height:1.8;margin:0 0 16px}.monitor{position:relative;height:155px;background:#1f3546;border:1px solid #3b566a;border-radius:7px;overflow:hidden}.monitor svg{display:block;width:100%;height:100%}.monitor-caption{position:absolute;top:9px;left:10px;color:#c0d3df;font:8px Consolas,monospace;letter-spacing:1px}.monitor-tag{position:absolute;right:9px;bottom:9px;border:1px solid #5d8194;border-radius:3px;padding:3px 6px;color:#c4dfe4;font-size:9px;background:#263d4be8}.demo-steps{list-style:none;padding:0;margin:18px 0 12px}.demo-steps li{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted);line-height:2.8}.demo-steps .step-dot{display:grid;place-items:center;width:18px;height:18px;font:9px Consolas,monospace;border-radius:50%;border:1px solid #c5d0d8;color:#798e9d}.demo-steps li.current{color:#2b6085;font-weight:600}.demo-steps li.current .step-dot{background:#2f6d92;border-color:#2f6d92;color:white}.demo-steps li.done .step-dot{background:#e4eeed;color:#397d6d;border-color:#bcd8cd}.step-progress{height:2px;background:#dce5ea;overflow:hidden}.step-progress span{display:block;height:100%;width:0;background:#3d7c9e;transform-origin:left}.step-description{font-size:11px;color:var(--muted);min-height:38px;line-height:1.8;margin:12px 0 0}.panel-actions{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #dce5e9;padding-top:12px;margin-top:12px;gap:8px}.panel-actions button{font-size:11px;padding:9px 10px;min-height:36px;border:1px solid #cbd8df;border-radius:5px;background:transparent;color:#426780}.panel-actions button:hover{background:#e6eef2}.panel-actions .next-step{background:#2c658a;border-color:#2c658a;color:white}.demo-note{font-size:9px;color:#758998;line-height:1.6;margin:12px 0 0}
.panel-actions .next-step:hover{background:#1d4f73;border-color:#1d4f73;color:#fff}
body[data-theme=night]{--ink:#c8d7df;--muted:#8ba1b1;--panel:#172d40ef;--line:#345166;--bg:#142839;--glass:#31546d;--glass-dark:#1c354c;--roof:#687c8d;--wall:#758d9e;--grass:#435f56;--lawn:#62786a;--road:#3d535f;--window:#355d76}
body[data-theme=night] .experience{background:radial-gradient(ellipse at 50% 35%,#284356 0%,#182f42 55%,#0d1c2c 100%)}body[data-theme=night] .site-head{background:#142c3e;border-color:#30485a}body[data-theme=night] .site-head .brand small{color:#9db5c4}body[data-theme=night] .site-head .back{border-color:#496173}body[data-theme=night] .pane.lit{fill:#e0c894}body[data-theme=night] .lamp-light{opacity:.6}body[data-theme=night] .window-glow{opacity:.16}body[data-theme=night] .server-led{fill:#95daca}body[data-theme=night] .glass-reflection{opacity:.08}body[data-theme=night] .toolbar button:hover{background:#2c485d}body[data-theme=night] .toolbar .separator{background:#426070}body[data-theme=night] .hotspot .spot-name{fill:#bfd5e0;stroke:#1d3546}body[data-theme=night] .hotspot .spot-sub{fill:#a3bccb;stroke:#1d3546}body[data-theme=night] .hotspot .pin{fill:#263f50;stroke:#9ab9cd}body[data-theme=night] .hotspot .cross{stroke:#c0d8e5}body[data-theme=night] .guide-hint{background:#243e51a6;border-color:#4a667c44}body[data-theme=night] .ground-terrain{filter:brightness(.65) saturate(.8)}body[data-theme=night] .step-progress{background:#354d60}body[data-theme=night] .demo-steps li.current{color:#b5d7ed}body[data-theme=night] .panel-actions{border-color:#3b5366}
body[data-theme=night] #glass-front stop:nth-child(1){stop-color:#537889}body[data-theme=night] #glass-front stop:nth-child(2){stop-color:#315970}body[data-theme=night] #glass-front stop:nth-child(3){stop-color:#4f7385}body[data-theme=night] #glass-front stop:nth-child(4){stop-color:#294d67}body[data-theme=night] #glass-side stop:nth-child(1){stop-color:#3d627b}body[data-theme=night] #glass-side stop:nth-child(2){stop-color:#24465f}body[data-theme=night] #glass-side stop:nth-child(3){stop-color:#18394f}
body[data-theme=night] .toolbar button[aria-pressed=true]:not(.play-tour){color:#d9ebf3;background:#35546a}body[data-theme=night] .brand img{background:#edf3f6;padding:3px;border-radius:4px}body[data-theme=night] #layer-roads{filter:brightness(.65)}body[data-theme=night] #layer-objects{filter:brightness(.85) saturate(.85)}
@media(min-width:1600px){.demo-panel{right:40px;top:105px;width:340px;padding:24px}.monitor{height:180px}.scene-heading{left:45px}}
@media(max-width:900px){.site-head{height:62px;padding:0 20px}.site-head nav{display:none}.experience{height:calc(100svh - 62px);min-height:720px}.scene-heading{left:20px;top:20px}.scene-heading h1{font-size:16px}.scene-heading p{display:none}.toolbar{top:78px;right:18px;left:18px;justify-content:center}.toolbar button{padding:8px}.demo-panel{top:auto;bottom:60px;right:18px;left:18px;width:auto;padding:15px 18px}.demo-panel h2{font-size:17px;margin-top:9px}.demo-panel .intro{display:none}.monitor{float:left;width:41%;height:135px;margin:12px 18px 8px 0}.demo-steps{margin-top:8px;min-height:145px}.demo-steps li{font-size:11px;line-height:3}.step-description{min-height:0}.panel-actions{clear:both}.demo-note{margin:7px 0 0}.scene-footer{left:20px;right:20px;font-size:9px}.scene-footer span:last-child{display:none}.guide-hint{bottom:48px;font-size:10px}.toolbar output{min-width:30px;font-size:10px}}
@media(max-width:430px){.brand small{font-size:7px}.toolbar{gap:1px;padding:4px}.toolbar button{min-width:33px;padding:7px;font-size:10px}.toolbar .play-tour{padding:7px 9px}.toolbar .separator{display:none}.scene-heading h1{font-size:15px}.monitor{width:39%;margin-right:12px}.demo-panel{padding:13px}.demo-steps li{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}