:root{color-scheme:dark;--bg:#15211f;--panel:#1c2926;--line:#35413b;--muted:#a4b1a8;--text:#f0f2e9;--accent:#d5b779;font-family:Inter,"PingFang TC","Noto Sans TC",Arial,sans-serif;color:var(--text);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;background:transparent;border:0}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.4}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:3px}header{height:86px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:14px;font-size:13px;letter-spacing:2px;font-weight:600}.brand-mark{font:30px Georgia,serif;letter-spacing:-3px;font-weight:400}.brand-mark span{color:var(--accent);margin:0 5px;font-size:22px}.brand small{display:block;font-size:8px;letter-spacing:1.25px;color:var(--muted);margin-top:6px;font-weight:400}nav,.locale-switch{display:flex;gap:3px;padding:4px;border:1px solid var(--line);border-radius:8px;background:#25312d}nav button{padding:10px 17px;font-size:12px;border-radius:5px;color:var(--muted)}nav button.active{background:#425047;color:var(--text)}.header-actions{display:flex;gap:13px;align-items:center}.locale-switch button{padding:7px;font-size:11px;border-radius:4px;color:var(--muted)}.locale-switch button.active{background:#435046;color:var(--text)}.download{font-size:11px;border:1px solid var(--line);padding:11px 13px;border-radius:6px}.download>span:first-child{color:var(--accent);margin-right:4px}.explorer{display:grid;grid-template-columns:minmax(0,1fr) 302px}.workspace{height:calc(100dvh - 127px);min-height:660px;position:sticky;top:0;background:#293632;overflow:hidden}canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:0}.view-title{position:absolute;top:30px;left:30px;pointer-events:none;text-shadow:0 1px 10px #17221e50}.eyebrow{color:var(--accent);font-size:9px;font-weight:600;letter-spacing:1.8px}.view-title h1{font:44px Georgia,serif;letter-spacing:-1px;margin:10px 0}.view-title p{font-size:12px;color:#dce3d9;margin:0}.view-title{background:linear-gradient(100deg,#20332cd9,#20332c00);padding:16px 55px 18px 18px;border-radius:5px}.view-meta{position:absolute;bottom:110px;left:30px;display:flex;align-items:center;gap:10px;font-size:9px;letter-spacing:1px;color:#e8eee3;text-shadow:0 1px 4px #15211f}.live-dot{width:5px;height:5px;background:var(--accent);border-radius:50%}.meta-divider{color:#c7d2c2}.bottom-controls{position:absolute;bottom:37px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:4px;white-space:nowrap;padding:5px;border:1px solid #73827355;border-radius:9px;background:#1b2b25f2;box-shadow:0 7px 25px #0003}.bottom-controls button{font-size:12px;padding:11px 12px;border-radius:5px}.bottom-controls button:hover{background:#3a4940}.movement{display:flex;gap:3px;padding-right:5px;border-right:1px solid #526150}.bottom-controls button.active{background:#d5b779;color:#18251e}#tour.active{background:#4b5c48}.bottom-controls #reset,.bottom-controls #fullscreen{font-size:19px;padding:7px 11px}#help{position:absolute;bottom:5px;left:18px;right:18px;text-align:center;color:#e0e6da;font-size:10px;pointer-events:none;text-shadow:0 1px 5px #14231a;margin:0 0 8px}#walk-pad{position:absolute;right:22px;bottom:108px;text-align:center;touch-action:none}#walk-pad button{display:inline-block;margin:2px;width:43px;height:41px;border:1px solid #83917566;background:#1d2c24ed;border-radius:7px;font-size:19px;touch-action:none;user-select:none}#walk-pad button.pressed{background:var(--accent);color:#16251e}#crosshair{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fffc;font-size:20px;text-shadow:0 0 3px #000;pointer-events:none}aside{padding:30px 24px 20px;background:var(--panel);border-left:1px solid var(--line)}aside h2{font:28px Georgia,serif;letter-spacing:-.3px;margin:9px 0}.intro-copy{font-size:11px;line-height:1.7;color:var(--muted);margin:0 0 20px}.presets{display:grid;gap:3px}.presets button{display:flex;align-items:center;gap:12px;text-align:left;font-size:12px;padding:12px 10px;border:1px solid transparent;border-radius:6px}.presets button>span:first-child{font:10px monospace;color:#a8b49e}.presets button>span:last-child{margin-left:auto;color:#8d9e87}.presets button:hover{background:#2b3b32}.presets button.active{background:#344838;border-color:#587050;color:#eaf0e1}.divider{height:1px;background:var(--line);margin:20px 0 14px}.switch-row{display:flex;align-items:center;justify-content:space-between;position:relative;padding:9px 0;font-size:11px;cursor:pointer}.switch-row input{position:absolute;right:0;width:33px;height:22px;opacity:0;cursor:pointer}.switch-row i{width:31px;height:18px;border-radius:20px;background:#536057;pointer-events:none}.switch-row i:after{content:"";display:block;width:12px;height:12px;margin:3px;border-radius:50%;background:#f6f8ef;transition:transform .2s}.switch-row input:checked+i{background:#b1955d}.switch-row input:checked+i:after{transform:translateX(13px)}.switch-row input:focus-visible+i{outline:2px solid var(--accent);outline-offset:3px}.switch-row input:disabled+i{opacity:.3}.lighting{display:flex;gap:3px;padding:4px;border:1px solid var(--line);border-radius:6px;margin-top:12px}.lighting button{flex:1;padding:9px 2px;font-size:11px;border-radius:4px}.lighting button.active{background:#445744}.exposure{display:block;margin-top:15px;color:var(--muted);font-size:11px}.exposure output{float:right}input[type=range]{display:block;width:100%;accent-color:var(--accent);margin:13px 0 0;height:16px}.note{font-size:10px;line-height:1.8;color:var(--muted);margin-top:22px}.text-link{color:var(--accent);font-size:11px;padding:8px 0}.map-wrap{margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}#minimap{display:block;width:100%;height:124px;margin-top:12px;background:#14201c;border-radius:5px}#map-shape polygon{fill:#314735;stroke:#76836e;stroke-width:.08}#map-obstacles rect{fill:#718369;opacity:.5}#map-marker circle{fill:#efd091;stroke:#17251c;stroke-width:.1}#map-marker path{fill:#efd091}.loading{position:absolute;inset:0;background:#293632;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:8}.loading strong{font:26px Georgia,serif;letter-spacing:3px}.loading>span:last-child{font-size:12px;color:#c6d0bf}.spinner{width:28px;height:28px;border:2px solid #586750;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#deded2}#toast{position:absolute;top:20px;right:20px;max-width:300px;padding:12px 16px;background:#15251af2;border:1px solid #6d805d;border-radius:5px;font-size:12px;line-height:1.6;opacity:0;pointer-events:none;z-index:5}#toast.show{opacity:1}.gallery{max-width:1500px;margin:auto;min-height:calc(100dvh - 127px);padding:44px 5vw}.gallery-heading h1{font:40px Georgia,serif;margin:12px 0}.gallery-heading p{font-size:12px;line-height:1.8;color:var(--muted);max-width:650px}.render-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}figure{margin:0}figure img{display:block;width:100%;aspect-ratio:1.6;object-fit:cover;border-radius:5px}figcaption{font-size:11px;color:var(--muted);margin-top:12px}footer{min-height:41px;padding:12px 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;font-size:9px;letter-spacing:1px;color:var(--muted)}footer>span:last-child{letter-spacing:0}.footer-sep{padding:0 10px;color:var(--accent)}.workspace:fullscreen{height:100dvh;min-height:0;width:100vw;position:relative}body.walking canvas{cursor:grab}body.walking canvas:active{cursor:grabbing}body.walking .view-title{padding:12px 25px 12px 15px}body.walking .view-title h1{font-size:30px;margin:7px 0}body.walking .eyebrow{font-size:8px}@media(min-width:1600px){.explorer{grid-template-columns:minmax(0,1fr) 330px}aside{padding:32px}.view-title{top:36px;left:36px}}@media(max-width:1050px){header{padding:0 18px;gap:12px}.brand small{max-width:145px;font-size:7px}.brand{gap:10px}.download span:last-child{display:none}.explorer{grid-template-columns:minmax(0,1fr) 260px}aside{padding:24px 18px}.view-title{top:20px;left:20px}.bottom-controls button{padding:10px 8px;font-size:11px}.view-meta{font-size:8px;left:20px}}@media(max-width:760px){header{height:auto;min-height:112px;display:grid;grid-template-columns:1fr auto;padding:15px 16px 12px;gap:13px}.brand small{max-width:none}.brand-mark{font-size:25px}.brand{font-size:12px;letter-spacing:1.5px}.header-actions{gap:8px}nav{grid-row:2;grid-column:1/-1;justify-content:center}nav button{flex:1;padding:8px}.locale-switch button{font-size:10px;padding:7px 5px}.download{padding:8px}.explorer{grid-template-columns:1fr}.workspace{position:relative;height:72dvh;min-height:500px;max-height:780px;top:auto}aside{border-left:0;border-top:1px solid var(--line);padding:25px 22px}.presets{grid-template-columns:1fr 1fr;gap:5px}.presets button{padding:12px 8px;font-size:11px;gap:7px}.view-title{left:14px;top:14px;padding:12px 25px 12px 13px}.view-title h1{font-size:34px}.view-title .eyebrow{font-size:8px}.view-meta{bottom:113px;left:16px;font-size:8px}.view-meta>span:last-child,.meta-divider{display:none}.bottom-controls{bottom:44px;max-width:calc(100% - 20px);gap:1px;padding:4px}.bottom-controls button{padding:10px 8px;font-size:10px}.bottom-controls #reset,.bottom-controls #fullscreen{font-size:17px;padding:8px}#help{font-size:9px;line-height:1.6;bottom:8px;max-width:95%;margin:0 auto}#walk-pad{right:12px;bottom:111px}#walk-pad button{width:39px;height:37px;font-size:17px}.render-grid{grid-template-columns:1fr;gap:24px}.gallery{padding:30px 18px}.gallery-heading h1{font-size:32px}footer{padding:15px 18px;line-height:1.6;display:block}footer>span{display:block}footer>span:last-child{margin-top:6px}#toast{top:110px;right:12px;left:12px;max-width:none;font-size:11px}.map-wrap{max-width:380px}.note{font-size:11px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
@media(min-width:761px){.workspace{min-height:540px}aside{height:calc(100dvh - 127px);min-height:540px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#63785d #1c2926}}

body.viewer-expanded{overflow:hidden}#viewport.expanded{position:fixed;inset:0;z-index:100;height:100dvh;width:100vw;min-height:0;max-height:none}