:root{--reading-styles-ready:1;--reading-width:760px;color:#34434b;background:#fff;font:12px/1.5 Arial,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{-webkit-user-select:none;user-select:none;margin:0}canvas{display:block}button{color:#748b9b;cursor:pointer;background:0 0;border:0;padding:8px 0;font:11px Arial,sans-serif}button:focus-visible,a:focus-visible{outline-offset:4px;outline:2px solid #8aa6b8}[hidden]{display:none!important}#experience{background:#fff;padding:78px 34px 90px}#plain-page{width:var(--reading-width);color:#17232d;max-width:100%;margin:auto;font:18px/1.46 Times New Roman,Times,serif}.front-logo{width:365px;max-width:100%;height:auto;margin:0 0 24px;display:block}#plain-page p{margin:0 0 17px}.page-section{display:flow-root}.page-footer p{margin-top:8px!important;margin-bottom:0!important}.latest-update{color:#758590;font:13px/1.5 Times New Roman,serif}#plain-page:lang(zh),#plain-page:lang(zh) .latest-update{font-family:Hyperspace Chinese,Noto Serif CJK SC,serif}#plain-page a{color:#254f72;text-decoration:none}body.ready{touch-action:pan-y;overflow:hidden}body.ready :is(#explore-hyperspace,#hall-view-nav,#spatial-page-labels,#spatial-page-mail,#spatial-help summary){touch-action:none}body.ready #spatial-help-panel{touch-action:pan-y}body.ready #experience,body.measuring #experience{width:calc(var(--reading-width) + 90px);padding:34px 45px 48px;position:absolute;top:0;left:-10000px}body.ready #experience{pointer-events:none;overflow:hidden}body.ready #plain-page,body.measuring #plain-page{width:var(--reading-width);max-width:none}.startup-measurement{width:calc(var(--reading-width) + 90px);pointer-events:none;padding:34px 45px 48px;position:absolute;top:0;left:-10000px}.startup-measurement #plain-page{width:var(--reading-width);overflow-wrap:normal;max-width:none}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience{left:var(--reading-dom-left,0px);top:var(--reading-dom-top,20px);width:var(--reading-width);transform-origin:0 0;transform:translateZ(0) scale(var(--reading-dom-scale,1));z-index:3;opacity:var(--language-visibility,1);padding:0;position:fixed;overflow:visible}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience #plain-page{width:var(--reading-width);overflow-wrap:normal;max-width:none;margin:0}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience .front-logo{width:365px}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience #plain-page p{margin:0 0 17px}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience .latest-update{font:13px/1.5 Times New Roman,serif}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience #plain-page:lang(zh),body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience #plain-page:lang(zh) .latest-update{font-family:Hyperspace Chinese,Noto Serif CJK SC,serif}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #spatial-page-failure{z-index:8;background:#fff;width:100%;padding:8px 16px;position:fixed;bottom:0}#spatial-page-stage{touch-action:none;opacity:0;cursor:grab;position:fixed;inset:0}#spatial-page-stage:active{cursor:grabbing}body.ready #spatial-page-stage{opacity:1}body.ready[data-dom-reading=true] #spatial-page-stage{opacity:0}body.ready[data-dom-reading=true] #experience{z-index:3;opacity:var(--language-visibility,1);overflow:visible}body.ready[data-dom-reading=true] #experience a{pointer-events:auto;touch-action:none}body.ready[data-dom-reading=true] #spatial-page-mail{display:none}body[data-phone-reading=true] #spatial-page-stage,body[data-scene-ready=false] #spatial-page-stage{cursor:auto}body[data-phone-reading=true][data-scene-ready=false] #spatial-page-stage{touch-action:pan-y}@media (width<650px){:root{--reading-width:540px}button{font-size:9px}#plain-page p,body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience #plain-page p{margin-bottom:14px}body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience .front-logo,.front-logo{margin-bottom:18px}body.ready[data-phone-reading=true]{height:100dvh;min-height:0;overflow:hidden}body.ready[data-phone-reading=true]:after{content:"";top:var(--mobile-reading-bottom,100%);z-index:2;pointer-events:none;background:#fff;position:fixed;bottom:0;left:0;right:0}}@media (width<=430px){:root{--reading-width:390px}#plain-page{font-size:17px}.front-logo,body.reading-dom:is(:not(.ready),[data-dom-reading=true]) #experience .front-logo{width:300px}}:root{--spatial-styles-ready:1;--interface-ink:#34434b;--interface-rule:#dbe2e6;--control-feedback:color .15s ease-out, background-color .15s ease-out, border-bottom-color .15s ease-out;--spatial-ui-font:clamp(14px, .95vw, 24px);--spatial-ui-icon:clamp(16px, .95vw, 24px);--spatial-ui-target:clamp(44px, 2.8vw, 68px);--spatial-ui-gap:clamp(12px, 1vw, 24px);--spatial-ui-edge:clamp(22px, 1.8vw, 48px)}@media (width<650px){:root{--spatial-ui-font:13px;--spatial-ui-edge:12px}}#spatial-page-labels,#hall-view-nav,#explore-hyperspace,footer{filter:opacity(var(--language-visibility,1));translate:0 calc((1 - var(--language-visibility,1)) * 5px)}#language-switch{z-index:7;top:max(12px, env(safe-area-inset-top));right:max(var(--spatial-ui-edge), env(safe-area-inset-right));color:#52616a;touch-action:manipulation;-webkit-tap-highlight-color:transparent;min-width:64px;min-height:44px;transition:var(--control-feedback);background:#fffffff0;border-bottom:1px solid #c6d0d6;padding:0 12px;font-size:13px;position:fixed}#language-switch:disabled{cursor:progress}#explore-hyperspace{z-index:5;right:var(--spatial-ui-edge);bottom:max(24px, env(safe-area-inset-bottom));min-height:var(--spatial-ui-target);padding:0 var(--spatial-ui-gap);color:#52616a;font-size:var(--spatial-ui-font);-webkit-tap-highlight-color:transparent;background:#fffffff0;border-bottom:1px solid #c6d0d6;position:fixed}#hall-view-nav{z-index:5;left:auto;right:max(var(--spatial-ui-edge), env(safe-area-inset-right));bottom:max(var(--spatial-ui-edge), env(safe-area-inset-bottom));align-items:center;gap:var(--spatial-ui-gap);background:#fffffff0;border:0;border-radius:0;padding:0 8px;display:flex;position:fixed}#hall-view-nav button{min-height:var(--spatial-ui-target);min-width:44px;padding:0 var(--spatial-ui-gap);font-size:var(--spatial-ui-font);color:#52616a;-webkit-tap-highlight-color:transparent;transition:var(--control-feedback);border:0;border-bottom:1px solid #c6d0d6;border-radius:0}#language-switch:focus-visible,#hall-view-nav button:focus-visible{outline-offset:-3px;outline:2px solid #698695}#hall-view-nav button[data-hall-view=reading]{margin-right:var(--spatial-ui-gap)}#explore-hyperspace,#hall-view-nav button[data-hall-view=reading]{align-items:center;gap:.55em;display:flex}#explore-hyperspace svg,#hall-view-nav button[data-hall-view=reading] svg,#spatial-help summary svg{width:var(--spatial-ui-icon);height:var(--spatial-ui-icon);fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round;flex:none;display:block}@media (width<650px){#language-switch{background:0 0}#explore-hyperspace{background:0 0;bottom:auto;right:12px}#hall-view-nav{justify-content:flex-end;gap:4px;padding:0}#hall-view-nav button{white-space:nowrap;min-width:0;padding:0 3px;font-size:11px}#hall-view-nav button[data-hall-view=reading]{gap:4px;margin-right:2px}#hall-view-nav button[data-hall-view=reading] span{white-space:nowrap}}#spatial-page-labels{pointer-events:none;z-index:3;position:fixed;inset:0}#spatial-page-labels button{pointer-events:auto;white-space:nowrap;letter-spacing:.06em;min-height:var(--spatial-ui-target);color:#52616a;box-shadow:none;text-underline-offset:4px;-webkit-tap-highlight-color:transparent;transition:var(--control-feedback);background:#fffffff0;border:0;border-bottom:1px solid #c6d0d6;border-radius:0;padding:clamp(8px,.6vw,16px) clamp(8px,.45vw,12px);font-size:clamp(12px,.75vw,20px);position:absolute;transform:translate(-50%,-100%)}#spatial-page-labels button:focus-visible{outline-offset:3px;outline:2px solid #698695}@media (width<650px){#spatial-page-labels button{letter-spacing:0;min-height:28px;padding:4px 2px;font-size:9px}}#hall-view-nav button[aria-pressed=true],#spatial-page-labels button[aria-pressed=true]{color:#24343e;background:0 0;border-bottom:1px solid #34434b;font-weight:400}@media (hover:hover) and (pointer:fine){#language-switch:hover,#explore-hyperspace:hover,#hall-view-nav button:hover,#spatial-page-labels button:hover{color:#17232d;background:#fff;border-bottom-color:#34434b}}#language-switch:active,#explore-hyperspace:active,#hall-view-nav button:active,#spatial-page-labels button:active{color:#17232d;background:#f1f5f7;border-bottom-color:#647780}footer{z-index:5;left:max(var(--spatial-ui-edge), env(safe-area-inset-left));right:auto;bottom:max(var(--spatial-ui-edge), env(safe-area-inset-bottom));color:#7a8992;background:#fffffff0;border-radius:3px;justify-content:flex-start;align-items:center;gap:2px;width:max-content;padding:0;font-size:10px;display:flex;position:fixed}#spatial-page-hint{min-height:var(--spatial-ui-target);font-size:var(--spatial-ui-font);color:inherit;white-space:nowrap;background:0 0;align-items:center;padding:0;line-height:1.5;display:flex}#spatial-help{color:#52616a;position:static}#spatial-help summary .help-touch-icon{display:none}#spatial-help summary .help-mouse-icon,#spatial-help summary .help-touch-icon{order:-1}#spatial-help summary .help-chevron{width:12px;height:12px;transition:transform .32s ease-in-out}#spatial-help summary[aria-expanded=true] .help-chevron{transform:rotate(180deg)}#spatial-help summary{min-width:var(--spatial-ui-target);min-height:var(--spatial-ui-target);font-size:var(--spatial-ui-font);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0;border-radius:0;justify-content:flex-start;align-items:center;gap:8px;padding:0 9px 0 0;list-style:none;transition:color .15s ease-out;display:flex}#spatial-help summary::-webkit-details-marker{display:none}#spatial-help summary:focus-visible{outline-offset:-3px;outline:2px solid #698695}#spatial-help[open] summary{color:#24343e}@media (hover:hover) and (pointer:fine){#spatial-help summary:hover{color:#17232d}}#spatial-help summary:active{color:#17232d}#spatial-help>div{z-index:1;left:0;right:auto;bottom:calc(var(--spatial-ui-target) + 8px);width:max-content;max-width:calc(100vw - 24px);max-height:calc(100dvh - var(--spatial-ui-target) - var(--spatial-ui-edge) - 24px);box-shadow:none;color:var(--interface-ink);font-size:var(--spatial-ui-font);text-align:left;background:#fffffff0;border:0;border-bottom:1px solid #c6d0d6;border-radius:0;padding:10px 12px 10px 0;line-height:1.5;position:absolute;overflow:auto}#spatial-help>div p{color:#52616a;white-space:nowrap;margin:0;padding:3px 0}#spatial-help>div p[aria-disabled=true]{color:#919ba2}@media (width<650px){#spatial-help-pan-row,#spatial-help summary .help-mouse-icon{display:none}#spatial-help summary .help-touch-icon{display:block}#spatial-page-hint{text-align:right;max-width:100%}#spatial-page-hint,#spatial-help summary{font-size:11px}}#explore-hyperspace,#hall-view-nav,footer{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .32s ease-in-out, transform .32s ease-in-out, visibility 0s linear .32s, var(--control-feedback);transform:translateY(5px)}body[data-scene-ready=true] #explore-hyperspace[data-control-visible=true],body[data-scene-ready=true] #hall-view-nav[data-control-visible=true],body[data-scene-ready=true] footer[data-control-visible=true]{opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s;transform:translateY(0)}body[data-scene-ready=false] #spatial-page-labels{visibility:hidden}@media (prefers-reduced-motion:reduce){#spatial-help summary .help-chevron{transition:none}#spatial-page-labels,#hall-view-nav,#explore-hyperspace,footer{translate:none}#explore-hyperspace,#hall-view-nav,footer{transition:none;transform:none}#language-switch,#hall-view-nav button,#spatial-page-labels button,#spatial-help summary{transition:none}}#spatial-page-mail{z-index:4;display:none;position:fixed}#spatial-page-mail[data-active=true]{display:block}#spatial-page-mail:focus-visible{outline-offset:4px;background:#69869512;outline:2px solid #698695}#spatial-page-selection{z-index:5;color:#7a8992;pointer-events:none;margin:0;font-size:10px;position:fixed;bottom:61px;left:29px}#spatial-page-selection:empty,body[data-reading=true] #spatial-page-selection{display:none}#spatial-page-failure{border:1px solid var(--interface-rule);max-width:460px;color:var(--interface-ink);background:#fff;margin:0 auto 24px;padding:14px 18px;font-size:12px;position:static;bottom:30px;left:20px}body.ready #spatial-page-failure{z-index:8;background:#fff;position:fixed;bottom:12px;left:12px;right:12px}#spatial-page-failure p{margin:0 0 8px}#spatial-page-retry{color:#254f72;text-underline-offset:3px;min-height:44px;padding:0 12px;text-decoration:underline}@media (width<650px){#spatial-page-selection{font-size:9px;bottom:124px;left:20px;right:20px}}