@charset "UTF-8";
:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#293c34;font-synthesis:none;--green:#344f46;--paper:rgba(250,249,244,.95);--line:rgba(47,64,53,.12)}*{box-sizing:border-box}body{margin:0;overflow:hidden;background:#dedfd9}button,input{font:inherit}button{cursor:pointer;border:0;color:inherit;transition:background .18s,transform .18s}button:hover{background:#e7e9e1}button:focus-visible,input:focus-visible{outline:3px solid #739481;outline-offset:3px}button:disabled{cursor:wait;opacity:.65}button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}#viewport,#viewport>canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.topbar{position:absolute;top:26px;left:30px;right:30px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.identity{display:flex;align-items:center;gap:13px;text-shadow:0 1px 10px #ffffff}.home-mark{font-size:35px;line-height:1;width:48px;height:48px;display:grid;place-items:center;background:var(--paper);border-radius:14px;box-shadow:0 3px 16px #26382a0c}h1{font-size:20px;margin:0;font-weight:650;letter-spacing:1px}h1 span{font-size:12px;letter-spacing:.5px;font-weight:400;border-left:1px solid #8c968a;margin-left:8px;padding-left:11px}.identity p{font-size:11px;letter-spacing:.8px;margin:6px 0 0;color:#6b756b}.top-actions{display:flex;gap:8px;pointer-events:auto}.icon-btn{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:var(--paper);display:grid;place-items:center;font-size:17px}.room-card{position:absolute;left:30px;top:110px;display:flex;align-items:center;gap:9px;padding:12px 16px;background:var(--paper);border:1px solid #ffffff80;box-shadow:0 5px 30px #26382a0b;border-radius:10px;font-size:13px}.room-card small{color:#7b8278;font-size:11px;border-left:1px solid var(--line);padding-left:11px}.status-dot{width:6px;height:6px;background:#6c8e78;border-radius:50%}.map-panel{position:absolute;right:30px;top:95px;width:245px;background:var(--paper);padding:16px;border:1px solid #ffffffc0;border-radius:16px;box-shadow:0 8px 30px #26382a12}.panel-heading{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:650;letter-spacing:.5px}.text-btn{font-size:10px;background:transparent;padding:4px;color:#7b8278}.map-panel canvas{width:100%;height:auto;display:block;margin:11px 0 4px;cursor:crosshair;touch-action:none}.map-caption{display:flex;justify-content:space-between;font-size:9px;color:#8b9085}.room-links{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:13px}.room-links button{font-size:10px;background:#eeeee6;border-radius:5px;padding:6px 2px;white-space:nowrap}.room-links button.current{background:#d7e0d5;color:#284939}.map-panel.collapsed #mapContent{display:none}.map-panel.collapsed{width:180px}.bottom-wrap{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;align-items:center;flex-direction:column;gap:10px;max-width:100%;padding:0 12px}.scale-chips{display:flex;gap:7px;white-space:nowrap}.scale-chips>span{border:1px solid #ffffff75;background:rgba(249,248,241,.85);border-radius:20px;padding:7px 12px;font-size:10px;color:#727c70;backdrop-filter:blur(8px)}.scale-chips b{font-weight:550;color:#3a4d3e;margin-left:6px}.toolbar{display:flex;align-items:center;background:var(--paper);padding:7px;gap:4px;border:1px solid #ffffffd0;box-shadow:0 8px 36px #26382a1c;border-radius:14px;white-space:nowrap}.toolbar button{background:transparent;display:flex;align-items:center;gap:7px;font-size:11px;padding:12px 13px;border-radius:8px}.toolbar button:hover,.toolbar button.active{background:#e4e8de}.toolbar button.primary{background:var(--green);color:#fff}.toolbar button.primary:hover{background:#456257}.toolbar button.primary svg{width:17px}.divider{height:25px;width:1px;background:var(--line);margin:0 4px}.keyboard-hint{margin:0;color:#657063;font-size:10px;text-shadow:0 1px 8px #fff;display:flex;align-items:center;gap:4px}.keyboard-hint>span{margin:0 7px}kbd{font:9px inherit;display:inline-block;background:#f9faf3aa;border:1px solid #7d88782b;border-radius:3px;min-width:17px;text-align:center;padding:2px 4px}#reticle{position:absolute;left:50%;top:50%;width:5px;height:5px;background:#ffffffd0;border-radius:50%;box-shadow:0 0 0 1px #45544466;display:none;pointer-events:none}body.walking #reticle{display:block}#toast{position:absolute;left:50%;top:25%;transform:translateX(-50%);background:#2c4039ef;color:white;font-size:12px;padding:11px 18px;border-radius:8px;pointer-events:none;opacity:0;transition:opacity .2s;white-space:nowrap;z-index:10}#toast.show{opacity:1}.floating-panel{position:absolute;bottom:160px;left:50%;transform:translateX(-50%);width:310px;background:var(--paper);border:1px solid #fff;border-radius:14px;padding:20px;box-shadow:0 10px 40px #213b2920}.floating-panel label{display:block;font-size:12px;margin-top:21px}.floating-panel output{float:right;font-size:11px;color:#73826f}.floating-panel input[type=range]{width:100%;accent-color:#466850;margin-top:12px}.floating-panel p{font-size:10px;line-height:1.8;color:#879080}.floating-panel .check{display:flex;gap:8px;align-items:center}.check input{accent-color:#466850}.modal-backdrop{position:absolute;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;background:rgba(36,48,39,.22);backdrop-filter:blur(7px);padding:20px}.modal-backdrop[hidden]{display:none}.welcome-card{width:455px;background:#f8f7f1;box-shadow:0 25px 100px #13251928;border:1px solid #fff;border-radius:24px;padding:36px 36px 24px}.eyebrow{font-size:9px;letter-spacing:3px;color:#81917d;margin-bottom:20px}.welcome-card h2{font-size:32px;font-weight:550;margin:0;letter-spacing:2px}.intro{font-size:13px;color:#7b8376;margin:12px 0 28px}.facts{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:21px 0;margin-bottom:25px}.facts>div{flex:1}.facts>div+div{border-left:1px solid var(--line);padding-left:18px}.facts strong{font-family:Georgia,"Times New Roman",serif;font-size:25px;font-weight:400;display:block}.facts strong span{font-size:12px}.facts small{display:block;font-size:9px;margin-top:7px;color:#7f8879}.instruction-grid{display:flex;text-align:center;margin-bottom:25px}.instruction-grid>div{flex:1}.key-cluster{font:10px system-ui;display:inline-flex;justify-content:center;align-items:center;padding:5px 8px;border:1px solid #c5ccbf;border-radius:5px;letter-spacing:1px;height:28px}.mouse-icon{font:22px system-ui;color:#61705c;height:28px;display:block}.instruction-grid p{font-size:10px;color:#7b8675;margin:9px 0 0}.primary{background:var(--green);color:#fff}.primary:hover{background:#496659}.enter{width:100%;border-radius:10px;padding:15px 18px;display:flex;justify-content:space-between;font-size:13px}.load-track{height:2px;background:#e0e5da;margin-top:9px;overflow:hidden}.load-track>div{height:100%;width:8%;background:#6f8a70;transition:width .3s}.model-note{font-size:9px;line-height:1.9;color:#92998b;margin:20px 0 0}.touch-help,.touch-controls{display:none}body[data-mode=overview] .scale-chips>span:last-child{background:#344f46;color:white}.touch-controls{position:absolute;left:20px;bottom:150px;pointer-events:none;gap:10px;flex-direction:column;align-items:center}.touch-controls>span{font-size:9px;color:#52664f;text-shadow:0 1px 5px white}#joystick{width:100px;height:100px;border-radius:50%;background:#ffffff55;border:1px solid #ffffffb0;pointer-events:auto;touch-action:none;display:grid;place-items:center}#stick{width:43px;height:43px;border-radius:50%;background:#fafbf3bb;box-shadow:0 2px 12px #14241120;border:1px solid white;pointer-events:none}
@media(max-height:740px) and (min-width:701px){.map-panel{top:90px;width:210px;padding:13px}.room-links{margin-top:8px;gap:3px}.room-links button{padding:4px 1px}.welcome-card{padding:25px 32px 20px}.eyebrow{margin-bottom:13px}.intro{margin-bottom:18px}.facts{padding:15px 0;margin-bottom:20px}.instruction-grid{margin-bottom:18px}.model-note{margin-top:13px}.topbar{top:20px}.room-card{top:95px}}
@media(max-width:700px){.topbar{top:18px;left:17px;right:17px}.home-mark{width:38px;height:38px;font-size:29px;border-radius:10px}.identity{gap:9px}h1{font-size:16px}h1 span{font-size:10px;margin-left:5px;padding-left:8px}.identity p{font-size:8px;margin-top:4px}.icon-btn{width:32px;height:32px}.top-actions{gap:5px}.room-card{left:18px;top:81px;font-size:11px;padding:9px 11px}.room-card small{font-size:9px;max-width:135px}.map-panel{right:15px;top:132px;width:175px;padding:10px;border-radius:12px}.map-panel.collapsed{width:155px}.panel-heading{font-size:10px}.map-panel canvas{margin-top:7px}.map-caption{font-size:7px}.room-links{gap:3px;margin-top:8px}.room-links button{font-size:8px;padding:5px 1px}.bottom-wrap{bottom:14px;gap:8px;width:100%}.toolbar{gap:0;padding:5px;border-radius:11px;width:100%;justify-content:space-between}.toolbar button{padding:9px 8px;font-size:9px;gap:4px;flex-direction:column}.toolbar button svg{width:17px;height:17px}.toolbar .divider{display:none}.toolbar button.primary{padding:10px 12px}.scale-chips>span{font-size:8px;padding:6px 9px}.keyboard-hint{display:none}.welcome-card{width:390px;max-width:100%;padding:29px 25px 20px}.welcome-card h2{font-size:29px}.intro{font-size:12px;margin-bottom:24px}.facts{padding:17px 0;margin-bottom:20px}.facts strong{font-size:23px}.facts small{font-size:8px}.instruction-grid{display:none}.touch-help{display:block;font-size:11px;color:#7e8977;margin:0 0 22px;line-height:1.8}.model-note{font-size:8px}.floating-panel{bottom:135px;width:290px}.touch-controls{display:flex}body[data-mode=overview] .touch-controls{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.turn-controls{position:absolute;left:50%;bottom:165px;transform:translateX(-50%);display:flex;gap:6px;white-space:nowrap}.turn-controls button{display:flex;align-items:center;gap:6px;border:1px solid #ffffffa0;border-radius:8px;background:rgba(250,249,244,.90);padding:9px 13px;font-size:12px;box-shadow:0 2px 14px #243c2710}.turn-controls button:hover{background:#dce5d8}.turn-controls button span{font-size:10px}body[data-mode=overview] .turn-controls{display:none}@media(max-width:700px){.turn-controls{bottom:145px;left:auto;right:18px;transform:none;gap:4px}.turn-controls button{font-size:10px;padding:9px 10px}.turn-controls button span{font-size:9px}}

.look-controls{position:absolute;left:30px;top:44%;display:flex;flex-direction:column;gap:6px}.look-controls button{font-size:11px;border-radius:8px;background:rgba(250,249,244,.94);border:1px solid #ffffffb0;padding:11px 13px;box-shadow:0 2px 14px #243c2710}.look-controls button:hover{background:#dce5d8}.look-controls output{font-size:9px;color:#67755e;text-align:center;background:#fafbf3b0;border-radius:5px;padding:5px}body[data-mode=overview] .look-controls{display:none}.drag-help{font-size:10px;color:#7e8977;line-height:1.8;margin:-9px 0 20px}@media(max-width:700px){.look-controls{left:auto;right:18px;top:38%;gap:5px}.look-controls button{padding:10px 11px;font-size:10px}.drag-help{display:none}}