@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Instrument+Serif:ital@0;1&family=Noto+Serif+SC:wght@400;500;600&display=swap');
:root{color-scheme:dark;--bg:#080a0d;--surface:#111419;--raised:#191d23;--ink:#edf0ed;--muted:#9da6ad;--faint:#727d87;--line:#ffffff20;--accent:#c8d9c3;--accent-ink:#172719;--danger:#ffac9e;--serif:'Instrument Serif','Noto Serif SC',Georgia,serif;--sans:'DM Sans','PingFang SC','Microsoft YaHei',sans-serif;--ease:cubic-bezier(.2,.8,.2,1)}
:root[data-theme=paper]{color-scheme:light;--bg:#f7f7f2;--surface:#eeeeea;--raised:#fff;--ink:#202b27;--muted:#59675f;--faint:#68746d;--line:#203c2726;--accent:#355641;--accent-ink:#fff;--danger:#a83827}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}button{border:0;background:transparent}input,textarea{color:var(--ink)}img,canvas{max-width:100%}::selection{background:#c8d9c344}a,button{transition:background .2s,color .2s,border-color .2s,transform .25s var(--ease)}:focus-visible{outline:2px solid 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@media(min-width:1700px){.hero-galaxy{right:-85px;width:90%}.hero{min-height:740px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header-nav{gap:20px}.hero{min-height:610px}.hero-galaxy{right:-32px;width:88%}.hero-copy{width:52%}.hero h1{font-size:112px}.portal h3{font-size:27px}.portal+.portal{padding-left:20px}.portal{padding-right:18px}.hero-description{font-size:16px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:80px;gap:12px}.header-nav{display:none}.wordmark{font-size:14px;gap:10px}.brand-symbol{font-size:34px}.header-tools{gap:3px}.hero{min-height:780px;align-items:flex-start;display:block}.hero-copy{width:100%;padding:51px 0 0}.hero h1{font-size:95px;margin:25px 0 22px}.hero h1 br{display:none}.hero-description{max-width:330px}.hero-actions{margin-top:24px}.hero-galaxy{top:240px;right:-20px;width:calc(100% + 40px);height:520px;mask-image:linear-gradient(transparent,#000 15%,#000 90%,transparent)}.galaxy-caption{bottom:18px;left:0;right:auto;font-size:11px}.motion-toggle{bottom:10px;right:0}.coordinates{flex-direction:column;align-items:flex-start;gap:17px}.quote{max-width:100%;text-align:left;font-size:15px}.clocks{gap:22px;font-size:12px}.portals{grid-template-columns:repeat(2,1fr)}.portal,.portal+.portal{min-height:228px;padding:24px 16px 22px 0}.portal:nth-child(even){padding-left:20px;border-left:1px solid var(--line)}.portal:nth-child(odd){border-left:0}.portal:nth-child(n+3){border-top:1px solid var(--line)}.portal h3{font-size:28px;margin-top:25px}.explore{padding:45px 0 50px}.site-footer{min-height:160px;flex-direction:column;align-items:flex-start;gap:10px;justify-content:center;padding-right:80px}.footer-right{padding:0}.chat-launch{right:16px;bottom:18px;padding:12px 17px}.chat-dock{right:16px;bottom:82px;height:min(680px,100dvh - 110px)}.sub-hero{padding:45px 0 35px;display:block}.sub-hero .intro{margin-top:24px;max-width:100%}.rooms{grid-template-columns:1fr;gap:14px;padding-bottom:45px}.room{min-height:245px;padding:25px}.room h2{font-size:36px}.hero h1{font-size:clamp(75px,12vw,95px)}html[lang=zh-CN] .hero h1{font-size:78px}html[lang=zh-CN] .hero h1 br{display:block}html[lang=zh-CN] .hero-galaxy{top:280px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
/* Preserve the original home: identity and clocks above an open sky, four doors below. */
.home-page{min-height:100svh;isolation:isolate}.home-sky{position:fixed;inset:0;z-index:-2;background:#070d18;transition:opacity .5s}.home-sky:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(#05091066,transparent 32%,#05091022 62%,#050910dd)}.home-page .wrap{width:calc(100% - 72px);max-width:none}.home-page .site-header{height:83px}.home-hero{min-height:calc(100svh - 286px);display:block;isolation:auto}.home-heading{display:flex;align-items:center;justify-content:space-between;gap:35px;padding-top:38px}.home-hero h1,.home-page[lang] h1{font-family:var(--sans);font-size:clamp(46px,5.6vw,82px);font-weight:500;letter-spacing:-.065em;line-height:1.1;margin:0;white-space:nowrap}.home-hero h1 span{color:var(--accent)}.home-intro{text-align:right;max-width:40%;}.home-intro .quote{max-width:none;font-size:17px;line-height:1.6;color:#c0c9d4}.home-explore{padding:0 0 26px}.home-explore .portals{background:#09121bcc;backdrop-filter:blur(14px);border:1px solid #ffffff29;border-radius:3px}.home-explore .portal,.home-explore .portal+.portal{min-height:177px;padding:20px 24px}.home-explore .portal h3{font-family:var(--sans);font-size:25px;font-weight:500;margin:19px 0 8px;letter-spacing:-.03em}.home-explore .portal p{font-size:13px}.home-explore .portal .arrow{position:absolute;right:21px;bottom:18px;font-size:20px;padding:0}.home-explore .portal .soon-label{font-size:11px;margin-top:10px}.home-explore .portal[data-status=soon]{color:#a0acbb}.home-explore .portal+.portal{border-color:#ffffff20}.home-explore a.portal:hover{background:#ffffff0c}.sky-caption{position:absolute;bottom:27px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;font-size:11px;letter-spacing:.17em;color:#b3c1d1}.sky-caption .motion-toggle{position:static;width:32px;height:32px}.home-clocks{display:flex;align-items:center;gap:22px;font-size:12px;font-variant-numeric:tabular-nums;color:var(--ink)}.home-clocks .clock-place{font-size:10px;letter-spacing:.05em;color:var(--muted)}.locate-button{display:flex;align-items:center;gap:8px;font-size:12px;min-height:40px;padding-inline:9px;color:var(--muted)}.saved-cities{font-size:12px;color:var(--muted);margin-top:8px}.home-page .chat-launch{bottom:12px;right:19px;font-size:12px;padding:9px 14px}.home-page .header-tools{gap:10px}.location-dialog{width:min(480px,100% - 32px);padding:0;margin:auto;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:15px}.location-dialog::backdrop{background:#0008;backdrop-filter:blur(8px)}.location-inner{padding:32px}.location-inner h2{font-family:var(--serif);font-size:35px;line-height:1.2;margin:18px 0}.location-inner>p:not(.eyebrow){font-size:15px;line-height:1.75;color:var(--muted)}.location-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:26px}[data-theme=paper] .home-sky{background:transparent;opacity:.22;mix-blend-mode:multiply}[data-theme=paper] .home-sky:after{display:none}[data-theme=paper] .home-intro .quote,[data-theme=paper] .sky-caption{color:var(--muted)}[data-theme=paper] .home-explore .portals{background:#f7f7f2dc;border-color:var(--line)}[data-theme=paper] .home-explore .portal+.portal{border-color:var(--line)}[data-theme=paper] .home-explore .portal[data-status=soon]{color:var(--muted)}[data-theme=night] .home-sky{opacity:.26}html[lang=zh-CN] .home-hero h1{font-family:var(--sans);font-size:clamp(46px,5.6vw,82px);font-weight:500;letter-spacing:-.065em;line-height:1.1}html[lang=zh-CN] .home-explore .portal h3{font-size:24px;letter-spacing:.02em;font-family:var(--serif)}
@media(max-width:1050px){.home-clocks{gap:12px}.home-page .wordmark span:last-child{display:none}.home-page .header-tools{gap:5px}.home-explore .portal h3{font-size:22px}}
@media(max-width:760px){.home-page .wrap{width:calc(100% - 32px)}.home-page .site-header{height:77px}.home-clocks{gap:10px}.home-clocks>span{display:flex;flex-direction:column;gap:2px}.home-clocks .clock-place{font-size:9px;margin:0}.home-clocks time{font-size:12px}.home-page .language-button{min-width:47px;padding-inline:10px}.home-page .tool-button{min-width:34px;padding:0 7px}.home-page .locate-button{display:none}.home-heading{display:block;padding-top:29px}.home-hero h1,html[lang=zh-CN] .home-hero h1{font-size:clamp(38px,9.4vw,63px);white-space:nowrap}.home-intro{text-align:left;max-width:100%;margin-top:20px}.home-intro .quote{text-align:left;font-size:15px;max-width:90%}.home-hero{min-height:450px}.home-explore .portal,.home-explore .portal+.portal{min-height:174px;padding:21px 16px}.home-explore .portal h3{font-size:22px;margin-top:17px}.home-explore .portal p{font-size:12px}.home-explore .portal:nth-child(n+3){border-color:#ffffff20}.home-explore .portal .arrow{right:15px;bottom:13px}.home-explore .portal:nth-child(odd){border-left:0}.home-explore .portal:nth-child(even){border-left:1px solid var(--line)}.home-explore{padding-bottom:50px}.sky-caption{bottom:22px;font-size:10px}.home-page .chat-launch{bottom:14px}.home-page .wordmark{gap:0}.home-page .brand-symbol{font-size:31px}.home-page .header-tools{gap:0}html[lang=zh-CN] .home-explore .portal h3{font-size:22px}}
@media(max-width:760px){.home-page .locate-button{display:flex;width:32px;min-height:40px;padding:0;justify-content:center}.home-page #locationLabel{display:none}.home-page .locate-button .status-dot{width:8px;height:8px;margin:0}}
.home-clocks .clock-place{font-size:12px}.home-clocks time{font-size:14px}.locate-button svg{width:17px;height:17px}@media(max-width:760px){.home-clocks .clock-place{font-size:12px;letter-spacing:0}.home-clocks time{font-size:14px}.home-clocks{gap:10px}}

.brand-version{font-family:var(--sans);font-size:25px;font-weight:500;letter-spacing:-.055em;line-height:1;font-variant-numeric:tabular-nums}.home-page .wordmark .brand-version{display:inline-block}@media(max-width:760px){.brand-version{font-size:22px}}

[data-emblem]{position:relative;flex-shrink:0}[data-emblem] canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.emblem-ready>img{visibility:hidden}.home-identity{display:flex;align-items:center;gap:12px;min-width:0}.home-emblem{width:96px;height:96px}.home-emblem>img{width:100%;height:100%}@media(max-width:760px){.home-emblem{width:62px;height:62px}.home-identity{gap:8px}.home-identity h1{font-size:clamp(30px,7.7vw,58px)}}

.home-emblem{width:64px;height:64px}.home-identity{gap:10px}@media(max-width:760px){.home-emblem{width:44px;height:44px}.home-identity{gap:6px}}