/* Shared theme and type tokens; responsive selectors use container queries. */
:root{--bg:#111512;--surface:#1b211c;--ink:#eff1e9;--muted:#a0aaa1;--line:#333d35;--accent:#d2f98a}
:root{font-family:Inter,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif}
:root{--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:48px;--duration-fast:160ms;--duration-flow:280ms}
.site{--font-ui:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Consolas,monospace;--type-display:clamp(2.375rem,calc(var(--portal-width,100vw) * .0425),4.125rem);--type-section:1.75rem;--type-card:1.625rem;--type-body:1rem;--type-control:.875rem;--type-caption:.8125rem;--type-note:.75rem;--type-brand:1.9375rem;--leading-display:1.34;--leading-title:1.35;--leading-body:1.8;--leading-ui:1.5}
@container (max-width:1100px){
.site-viewport.site-viewport .site{--type-display:clamp(2.25rem,calc(var(--portal-width,100vw) * .045),3.25rem)}
}
@container (max-width:760px){
.site-viewport.site-viewport .site{--type-display:clamp(2.25rem,calc(var(--portal-width,100vw) * .076),3.5rem);--type-section:1.5rem;--type-card:1.375rem;--type-body:.9375rem;--type-control:.875rem;--type-caption:.8125rem;--type-note:.75rem;--type-brand:1.6875rem}
}
.site{--type-art-letter:1.5rem}
@container (max-width:760px){
.site-viewport.site-viewport .site{--type-art-letter:1.3125rem}
}
.site{--font-tech:"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;--type-english:.75rem;--english-tracking:.06em}
:root{--on-accent:#111512;--surface-hover:#222a21;--surface-active:#293426;--border-strong:#809b64;--track-lime:#b3d471;--track-silver:#809486;--track-muted:#39493c;--signal-lime:#ecffd0;--signal-silver:#e1e9e1;--accent-soft:#d2f98a22;--symbol:#394738}
:root{color-scheme:dark}
:root[data-theme="light"]{--bg:#f3f5ed;--surface:#e8ede2;--ink:#172319;--muted:#51614f;--line:#c6d0bf;--accent:#426322;--on-accent:#f5f7ee;--surface-hover:#dfe7d6;--surface-active:#d6e1ca;--border-strong:#829477;--track-lime:#6d8a3c;--track-silver:#667b65;--track-muted:#9ba997;--signal-lime:#294c13;--signal-silver:#465e45;--accent-soft:#42632222;--symbol:#acbca0}
:root[data-theme="light"]{color-scheme:light}
.site{--train-direction:normal}
.site[data-direction="up"]{--train-direction:reverse}
.site[data-direction="down"]{--train-direction:normal}
.site .hero{--hero-baseline-inset:12px}
.site{--type-map-symbol:var(--type-english);--type-discovery:1rem;--type-discovery-sub:var(--type-discovery)}
@container (max-width:560px){
.site-viewport.site-viewport .site{--type-discovery:1rem;--type-discovery-sub:var(--type-discovery)}
}
:root{--track-resource:#566b58}
:root[data-theme="light"]{--track-resource:var(--track-muted)}

/* Page layout, controls and accessibility; responsive selectors use container queries. */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0}
button{font:inherit}
input{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.site{color:var(--ink);background:var(--bg)}
.site a{color:inherit;text-decoration:none}
.site button{color:inherit}
.site :focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.shell{max-width:1600px;margin:auto}
.accent{color:var(--accent)}
.skip-link{position:absolute;left:-9999px;top:0;padding:12px 16px;background:var(--accent);color:var(--bg)!important;z-index:4}
.skip-link:focus{left:12px;top:12px}
.site-header{display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line)}
.wordmark{display:flex;align-items:center;font-size:31px;font-weight:650;letter-spacing:-1.3px;white-space:nowrap}
.brand-mark{display:flex;gap:4px;align-items:center;margin-right:13px;transform:skewY(-17deg)}
.brand-mark i{display:block;width:4px;height:23px;background:var(--accent)}
.brand-mark i:nth-child(2){height:34px}
.brand-dot{color:var(--accent)}
.site-version{color:var(--muted);font:11px ui-monospace,SFMono-Regular,Consolas,monospace;white-space:nowrap}
.site-header nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.site-header nav a{font-size:14px;min-height:44px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.site-header nav a:hover{color:var(--accent)}
.hero{display:grid;grid-template-columns:1.08fr 1fr;align-items:center;padding:42px 0 30px}
.hero-copy{position:relative;z-index:1}
.eyebrow{font:11px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em;color:var(--muted)}
.section-index{font:11px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em;color:var(--muted)}
.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 30px}
.signal-dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.hero h1{margin:0 0 25px;white-space:nowrap}
.hero-description{color:var(--muted);margin:0}
.hero-next{display:inline-flex;align-items:center;min-height:52px;font-size:16px;font-weight:600}
.hero-next .next-arrow{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--accent);color:var(--bg);font-size:23px;transition:transform .15s ease}
.hero-next:hover .next-arrow{transform:translateY(4px)}
.hero-footnote{display:flex;align-items:center;gap:13px;color:var(--muted);font-size:10px;letter-spacing:.06em}
.hairline{height:1px;width:34px;background:var(--line)}
.applications{border-top:1px solid var(--line)}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}
.section-heading h2{margin:10px 0 0}
.section-heading p{color:var(--muted);margin:0 0 3px}
.find-tools{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.filter-set{display:flex;align-items:center;flex-wrap:wrap}
.filter-set button{background:transparent;color:var(--muted);font-size:13px}
.filter-set button[aria-pressed="true"]{font-weight:600}
.filter-set button:hover:not([aria-pressed="true"]){border-color:var(--muted);color:var(--ink)}
.search-wrap{display:flex;align-items:center;gap:10px;padding:0 13px;border:1px solid #59675a;color:var(--muted);background:var(--surface)}
.search-wrap:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.search-wrap input{border:0;outline:0!important;background:none;color:var(--ink);width:100%;min-width:0}
.search-wrap input::placeholder{color:var(--muted)}
.result-count{color:var(--muted);min-height:18px}
.empty-state{border:1px solid var(--line);background:var(--surface);padding:30px;color:var(--ink)}
.empty-state p{color:var(--muted);font-size:14px}
.empty-state button{border:1px solid var(--accent);background:var(--accent);color:var(--bg);border-radius:3px;padding:9px 15px}
.sample-note{margin:20px 0 0;color:var(--muted)}
.about{display:grid;grid-template-columns:195px 1fr auto;gap:34px;border-top:1px solid var(--line);padding:50px 0 62px;align-items:start}
.about h2{font-size:26px;margin:0 0 19px;font-weight:550}
.about p{font-size:13px;line-height:1.9;color:var(--muted);margin:0}
.about-symbol{font:italic 100px/.8 Georgia,serif;letter-spacing:-.12em;color:#394738;padding-right:15px}
.about-symbol span{font:300 56px sans-serif;vertical-align:top;color:#6a8052}
.site-footer{min-height:104px;display:flex;align-items:center;border-top:1px solid var(--line);color:var(--muted)}
.footer-brand{font-size:22px;letter-spacing:-1px;color:var(--ink)!important;font-weight:600}
.back-top{margin-left:auto;display:flex;gap:10px;align-items:center;min-height:44px}
.back-top:hover{color:var(--accent)!important}
.card-dialog{max-width:min(480px,calc(100vw - 28px));width:100%;padding:26px;border:1px solid #62745a;border-radius:6px;box-shadow:0 18px 55px #0008}
.card-dialog::backdrop{background:#030a05ba}
.card-dialog h2{margin:7px 0 12px}
.card-dialog p{color:var(--muted)}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
.dialog-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 14px;border:1px solid #6d8466;border-radius:4px;background:transparent;color:var(--ink);font-size:13px;text-decoration:none}
.dialog-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 14px;border:1px solid #6d8466;border-radius:4px;font-size:13px;text-decoration:none}
.dialog-actions a{font-weight:600}
.motion-paused .site{scroll-behavior:auto}
@container(max-width:1100px){
.site-header{gap:17px}
.site-header nav{gap:17px}
}
@container(max-width:860px){
.site-version{display:none}
.site-header{height:88px}
}
@container(max-width:560px){
.site-header{gap:10px}
.wordmark{font-size:26px}
.brand-mark{margin-right:8px}
.site-header nav{gap:10px}
.site-header nav a{font-size:12px}
.site-header nav a:nth-child(2){display:none}
.eyebrow{font-size:10px;margin-bottom:22px}
.hero h1{margin-bottom:18px}
.section-heading{display:block}
.section-heading p{margin:9px 0 0}
.filter-set{margin-bottom:12px}
.about{grid-template-columns:1fr;gap:16px;padding:33px 0}
.about h2{font-size:23px}
.about p{font-size:12px}
.about-symbol{display:none}
.site-footer{flex-wrap:wrap;min-height:88px}
.footer-brand{font-size:18px}
.back-top{gap:5px}
}
:focus-visible{outline-color:#24472a}
.shell{padding-inline:clamp(24px,5cqi,80px)}
.site-header{height:96px}
.site-version{display:none}
.hero{min-height:clamp(560px,calc(100svh - 164px),800px);gap:32px}
.hero h1{font-size:clamp(40px,4.8cqi,68px);font-weight:600;letter-spacing:-.025em;line-height:1.28}
.hero-description{font-size:16px;line-height:1.85}
.hero-next{margin-top:32px;gap:20px}
.hero-footnote{margin-top:48px}
.applications{padding:48px 0 64px;scroll-margin-top:110px}
.section-heading{margin-bottom:32px}
.section-heading h2{font-size:32px;font-weight:550;margin-top:12px;letter-spacing:-.02em}
.section-heading p{font-size:15px}
.find-tools{gap:24px;margin-bottom:20px}
.filter-set{gap:4px}
.filter-set button{display:flex;align-items:center;gap:8px;border:0;border-bottom:2px solid transparent;border-radius:0;min-height:44px;padding:0 12px}
.filter-set button::before{content:"";width:7px;height:7px;border:1px solid currentColor;border-radius:50%}
.filter-set button[aria-pressed="true"]{color:var(--accent);background:transparent;border-color:var(--accent)}
.filter-set button[aria-pressed="true"]::before{background:currentColor}
.filter-set button span{font:11px ui-monospace,monospace;opacity:.7}
.search-wrap{height:46px;min-width:260px;border-color:#536451;border-radius:4px}
.search-wrap svg{flex-shrink:0}
.search-wrap input{font-size:15px}
.result-count{margin-bottom:24px;font-size:12px}
.sample-note{font-size:12px;line-height:1.7;margin-top:24px}
.site-footer{font-size:12px;flex-wrap:wrap;padding-block:24px;gap:16px}
.filter-set button:active{transform:translateY(1px)}
html.motion-paused{scroll-behavior:auto}
.motion-paused .site *{transition:none!important}
.motion-paused .site *::before{transition:none!important}
@container(max-width:1100px){
.hero{min-height:560px;gap:24px}
}
@container(max-width:860px){
.hero{grid-template-columns:1fr;min-height:0;padding:48px 0 32px;gap:24px}
.hero h1{font-size:clamp(36px,6.4cqi,54px)}
.section-heading{align-items:start}
.find-tools{gap:16px}
}
@container(max-width:560px){
.shell{padding-inline:20px}
.site-header{height:76px}
.hero{padding:40px 0 28px}
.hero h1{font-size:clamp(30px,8.7cqi,43px);line-height:1.35;white-space:normal;letter-spacing:-.025em}
.hero-description{font-size:15px;line-height:1.8}
.hero-next{margin-top:24px;font-size:16px}
.hero-footnote{margin-top:32px;font-size:10px}
.applications{padding:32px 0 48px;scroll-margin-top:176px}
.section-heading h2{font-size:26px}
.section-heading p{font-size:14px}
.section-heading{margin-bottom:24px}
.find-tools{display:flex;flex-direction:column;align-items:stretch}
.search-wrap{order:-1;margin:0;width:100%;min-width:0}
.search-wrap input{font-size:16px}
.filter-set{flex-wrap:wrap;gap:0;margin:0}
.filter-set button{font-size:12px;padding:0 8px;gap:6px;min-height:44px}
.filter-set button span{display:none}
.result-count{margin-bottom:16px}
.site-footer{font-size:11px;gap:12px}
.site-footer .footer-version{flex-basis:100%;order:3}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(prefers-reduced-motion:reduce){*::before{animation:none!important;transition:none!important}}
@media(prefers-reduced-motion:reduce){*::after{animation:none!important;transition:none!important}}
.site{font-family:var(--font-ui);font-synthesis:none;min-height:0;overflow:clip}
.site *{box-sizing:border-box}
.site *::before{box-sizing:border-box}
.site *::after{box-sizing:border-box}
.site .shell{max-width:1600px;padding-inline:clamp(24px,calc(var(--portal-width,100vw) * .05),88px)}
.site .site-header{height:110px;gap:40px}
.site .wordmark{font-family:Inter,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;font-size:var(--type-brand);font-weight:600}
.site .site-header nav{gap:34px}
.site .site-header nav a{font-size:var(--type-control);font-weight:500;line-height:var(--leading-ui)}
.site .hero{grid-template-columns:1.08fr 1fr;gap:22px;min-height:635px;padding:42px 0 30px}
.site .hero h1{font-size:var(--type-display);font-weight:600;line-height:var(--leading-display);letter-spacing:-.025em;white-space:normal;margin-bottom:25px;overflow-wrap:anywhere}
.site .hero-description{font-size:var(--type-body);line-height:var(--leading-body)}
.site .hero-next .next-arrow{background:none;border:1px solid var(--line);color:var(--ink);transition:background .25s,color .25s,transform .25s}
.site .hero-next:hover .next-arrow{background:var(--accent);transform:translateY(4px)}
.site .hero-next:focus-visible .next-arrow{background:var(--accent);transform:translateY(4px)}
.site .hero-footnote{font-size:var(--type-note);margin-top:57px}
.site .hero-copy{animation:arrive .8s ease-out both}
.site .applications{padding:45px 0 54px;scroll-margin-top:110px}
.site .section-heading{margin-bottom:28px}
.site .section-heading h2{font-size:var(--type-section);font-weight:600;line-height:var(--leading-title);letter-spacing:-.02em}
.site .about h2{font-size:var(--type-section);font-weight:600;line-height:var(--leading-title);letter-spacing:-.02em}
.site .section-heading p{font-size:var(--type-body);line-height:var(--leading-body)}
.site .about p{font-size:var(--type-body);line-height:var(--leading-body)}
.site .card-dialog p{font-size:var(--type-body);line-height:var(--leading-body)}
.site .filter-set button{font-size:var(--type-control);line-height:var(--leading-ui);min-height:44px}
.site .empty-state button{font-size:var(--type-control);line-height:var(--leading-ui);min-height:44px}
.site .search-wrap input{font-size:1rem;line-height:var(--leading-ui)}
.site .result-count{font-size:var(--type-note);line-height:var(--leading-ui)}
.site .sample-note{font-size:var(--type-note);line-height:var(--leading-ui)}
.site .site-footer{font-size:var(--type-note);line-height:var(--leading-ui)}
.site .empty-state p{font-size:var(--type-body);line-height:var(--leading-body)}
.site .footer-brand{font-family:Inter,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;font-size:1.375rem}
.site .filter-set button{transition:color .16s ease,border-color .16s ease}
.site .about{padding:50px 0 62px}
.site .site-footer{min-height:104px}
@container (min-width:1600px){
.site-viewport.site-viewport .site .hero{min-height:710px}
}
@container (max-width:1100px){
.site-viewport.site-viewport .site .site-header{gap:20px}
.site-viewport.site-viewport .site .site-header nav{gap:24px}
.site-viewport.site-viewport .site .hero{min-height:580px;grid-template-columns:1.1fr 1fr}
}
@container (max-width:760px){
.site-viewport.site-viewport .site .site-header{height:auto;min-height:84px;padding-block:12px;gap:12px;flex-wrap:wrap}
.site-viewport.site-viewport .site .site-header nav{gap:18px}
.site-viewport.site-viewport .site .site-header nav a:nth-child(2){display:none}
.site-viewport.site-viewport .site .hero{grid-template-columns:1fr;gap:32px;padding:44px 0 28px;min-height:0}
.site-viewport.site-viewport .site .hero h1{margin-bottom:20px}
.site-viewport.site-viewport .site .hero-footnote{margin-top:32px}
.site-viewport.site-viewport .site .applications{padding:32px 0}
.site-viewport.site-viewport .site .section-heading{display:block;margin-bottom:23px}
.site-viewport.site-viewport .site .section-heading p{margin:12px 0 0}
.site-viewport.site-viewport .site .about{padding:32px 0 38px}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .shell{padding-inline:20px}
.site-viewport.site-viewport .site .filter-set button{font-size:var(--type-control)}
.site-viewport.site-viewport .site .filter-set button span{display:none}
.site-viewport.site-viewport .site .find-tools{display:flex;flex-direction:column;align-items:stretch}
.site-viewport.site-viewport .site .search-wrap{order:-1}
.site-viewport.site-viewport .site .site-footer{font-size:var(--type-note)}
.site-viewport.site-viewport .site .footer-brand{font-size:1.25rem}
}
.card-dialog h2{font-size:1.5rem;line-height:1.35}
.card-dialog p{font-size:1rem;line-height:1.8}
.card-dialog[open]{animation:dialog-arrive .2s ease-out both}
@keyframes arrive{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes appear{from{opacity:0}to{opacity:1}}
@keyframes dialog-arrive{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
.motion-paused .site *{animation-play-state:paused!important}
.motion-paused .site *::before{animation-play-state:paused!important}
.motion-paused .site *::after{animation-play-state:paused!important}
.motion-paused .card-dialog{animation:none!important}
@media(prefers-reduced-motion:reduce){.site .hero-copy{animation:none!important;opacity:1;transform:none!important}}
.site .eyebrow{font-family:var(--font-tech);font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking);font-variant-numeric:tabular-nums}
.site .section-index{font-family:var(--font-tech);font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking);font-variant-numeric:tabular-nums}
.site .site-version{font-family:var(--font-tech);font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking);font-variant-numeric:tabular-nums}
.site .footer-version{font-family:var(--font-tech);font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking);font-variant-numeric:tabular-nums}
.site .next-copy{display:flex;flex-direction:column;align-items:flex-start}
.site .next-subtitle{font-weight:400;line-height:var(--leading-ui)}
.site .card-layout-toggle{display:inline-flex;align-items:center;gap:8px;flex:none;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--muted);font:500 var(--type-control)/var(--leading-ui) var(--font-ui);cursor:pointer;transition:border-color .16s,background .16s}
.site .card-layout-toggle:hover:not(:disabled){border-color:var(--accent);background:var(--surface)}
.site .card-layout-toggle:active:not(:disabled){background:var(--surface)}
.site .card-layout-toggle:disabled{cursor:default;border-style:dashed}
.site .theme-switch{display:flex;align-items:center;gap:2px;flex:none;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.site .theme-button{border:0;border-radius:999px;min-height:40px;padding:0 12px;background:transparent;color:var(--muted);font:500 var(--type-caption)/var(--leading-ui) var(--font-ui);white-space:nowrap;transition:background .16s,color .16s}
.site .theme-button[aria-pressed="true"]{background:var(--accent);color:var(--on-accent);font-weight:400}
.site .theme-button:hover:not([aria-pressed="true"]){color:var(--ink);background:var(--surface-hover)}
.site .theme-button:focus-visible{outline-offset:2px}
.site .hero-copy{min-width:0}
.site .search-wrap{border-color:var(--border-strong)}
.site .about-symbol{color:var(--symbol)}
.site .about-symbol span{color:var(--track-lime)}
.site .hero-next:hover .next-arrow{color:var(--on-accent)}
.site .hero-next:focus-visible .next-arrow{color:var(--on-accent)}
.site .empty-state button{color:var(--on-accent)!important}
.site .skip-link{color:var(--on-accent)!important}
.card-dialog{background:var(--surface);color:var(--ink);border-color:var(--border-strong)}
.dialog-actions button{border-color:var(--border-strong)}
.dialog-actions a{border-color:var(--border-strong)}
.dialog-actions a{background:var(--accent);color:var(--on-accent)}
@container (max-width:760px){
.site-viewport.site-viewport .site .theme-switch{margin-left:auto}
.site-viewport.site-viewport .site .theme-button{padding-inline:10px}
}
.site .hero{grid-template-rows:minmax(0,1fr) auto;row-gap:24px}
.site .hero-copy{grid-column:1;grid-row:1}
.site .hero-footnote{grid-column:1;grid-row:2;align-self:end;margin:0;padding-bottom:var(--hero-baseline-inset);line-height:var(--leading-ui)}
@container (width > 1100px){
.site-viewport.site-viewport .site .hero{grid-template-columns:minmax(0,.84fr) minmax(0,1.24fr)}
}
@container (max-width:760px){
.site-viewport.site-viewport .site .hero{grid-template-rows:auto auto auto}
.site-viewport.site-viewport .site .hero-footnote{grid-column:1;margin:0;padding-bottom:0;flex-wrap:wrap}
}
@media(prefers-reduced-motion:reduce){.site *{animation:none!important;transition:none!important}}
@media(prefers-reduced-motion:reduce){.site *::before{animation:none!important;transition:none!important}}
@media(prefers-reduced-motion:reduce){.site *::after{animation:none!important;transition:none!important}}
.site .find-actions{display:flex;gap:12px;min-width:0;max-width:100%;margin-left:auto}
.site .find-actions .search-wrap{flex:1 1 260px;width:260px;min-width:0}
.site .find-actions .card-layout-toggle{padding:0 12px;border-color:var(--border-strong);border-radius:4px;background:var(--surface);font-size:1rem;white-space:nowrap}
.site .find-actions .card-layout-toggle:disabled{border-style:solid}
.site .hero-next{margin-top:56px}
.site .next-subtitle{font-size:var(--type-discovery-sub)}
.site .hero-next .next-arrow{flex:none}
@container (max-width:760px){
.site-viewport.site-viewport .site .find-actions{width:100%;margin-left:0}
.site-viewport.site-viewport .site .hero-next{margin-top:40px}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .find-actions{gap:8px}
.site-viewport.site-viewport .site .find-actions .search-wrap{order:0;width:auto;flex-basis:0;padding-inline:10px}
.site-viewport.site-viewport .site .find-actions .card-layout-toggle{padding-inline:8px;gap:4px}
.site-viewport.site-viewport .site .hero-next{gap:20px}
}
.site .hero-copy{align-self:stretch;display:grid;grid-template-rows:max-content minmax(0,.75fr) auto minmax(0,1.25fr);padding-top:var(--hero-baseline-inset)}
.site .hero-intro{grid-row:1;min-width:0}
.site .hero-next{grid-row:3;justify-self:start;align-self:start;gap:20px;min-height:3.25rem;font-size:var(--type-discovery);font-weight:500}
.site .next-copy{gap:4px;font-size:var(--type-discovery);font-weight:500;line-height:1.5}
.site .next-subtitle{font:inherit;color:inherit}
.site .hero-next .next-arrow{width:3.25rem;height:3.25rem;font-size:1.625rem}
@container (max-width:760px){
.site-viewport.site-viewport .site .hero-copy{display:block;padding-top:0}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .hero-next{min-height:3.25rem}
.site-viewport.site-viewport .site .hero-next .next-arrow{width:3.25rem;height:3.25rem;font-size:1.625rem}
}
.site .card-layout-toggle .layout-single{display:inline-flex;align-items:center;justify-content:center;padding:3px 6px;border-radius:3px;background:transparent;color:var(--muted)}
.site .card-layout-toggle .layout-double{display:inline-flex;align-items:center;justify-content:center;padding:3px 6px;border-radius:3px;background:transparent;color:var(--muted)}
.site .card-layout-toggle[data-effective="single"] .layout-single{background:var(--accent);color:var(--on-accent);font-weight:400}
.site .card-layout-toggle[data-effective="double"] .layout-double{background:var(--accent);color:var(--on-accent);font-weight:400}
.site .find-actions .search-wrap{transition:border-color .16s ease,background .16s ease}
.site .find-actions .card-layout-toggle{transition:border-color .16s ease,background .16s ease}
.site .find-actions .search-wrap:hover{border-color:var(--accent);background:var(--surface-hover)}
.site .find-actions .card-layout-toggle:hover:not(:disabled){border-color:var(--accent);background:var(--surface-hover)}
.site .find-actions .search-wrap:focus-within{border-color:var(--accent);background:var(--surface-hover)}
.site .find-actions .card-layout-toggle:focus-visible{border-color:var(--accent);background:var(--surface-hover)}
.site .card-layout-toggle{font-weight:400}
.site .card-layout-toggle .layout-single{font-weight:400}
.site .card-layout-toggle .layout-double{font-weight:400}
@container (max-width:560px){
.site-viewport.site-viewport .site .find-actions{order:0}
}
@container (max-width:760px){
.site-viewport.site-viewport .site .hero-footnote{grid-row:3}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .site-footer .footer-version{order:0}
}
.site .find-actions{align-items:stretch}
.site .find-actions .search-wrap{height:46px;min-height:46px;box-sizing:border-box;align-self:stretch;margin:0}
.site .find-actions .card-layout-toggle{height:46px;min-height:46px;box-sizing:border-box;align-self:stretch;margin:0}
.site .layout-note{display:none;margin:-5px 0 12px;color:var(--muted);font-size:12px;line-height:1.5}
@container (max-width:860px){
.site-viewport.site-viewport .site .layout-note{display:block}
}
body{background:var(--bg);color:var(--ink)}
.site-viewport{container-type:inline-size;width:100%;max-width:1920px;margin:auto}

/* One card template: square diagonal rails and three text groups at every width. */
.site .cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;--card-square:192px;--card-train-direction:reverse;grid-auto-rows:auto}
.site .cards[data-layout="single"]{grid-template-columns:1fr}
.site[data-direction="up"] .cards{--card-train-direction:normal}
.site[data-direction="down"] .cards{--card-train-direction:reverse}
.app-card{position:relative;display:grid;width:100%;text-align:left;border:1px solid var(--line);border-radius:4px;background:var(--surface);overflow:hidden;touch-action:manipulation;transition:background var(--duration-fast),border-color var(--duration-fast),transform var(--duration-fast)}
.app-card::before{content:"";position:absolute;inset:auto auto 0 0;height:2px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .6s ease}
.app-card:hover::before,.app-card:focus-visible::before{transform:scaleX(1)}
.site .app-card:hover,.site .app-card:focus-visible{background:var(--surface-hover);border-color:var(--border-strong)}
.site .app-card:active{transform:translateY(1px);background:var(--surface-active)}
.app-card[data-demo="true"]{cursor:help}
.site-viewport .site .cards .app-card{grid-template-columns:var(--card-square) minmax(0,1fr) auto;gap:0;min-height:var(--card-square);padding:0;align-items:center}
.site-viewport .site .cards .app-card .app-art{position:relative;display:block;width:var(--card-square);height:var(--card-square);aspect-ratio:1;min-height:0;align-self:start;grid-column:auto;padding:0;gap:0;overflow:hidden;border:0;border-right:1px solid var(--line);isolation:isolate;place-items:stretch center;flex-direction:column;justify-content:center}
.site-viewport .site .cards .app-card .app-rail{position:absolute;inset:0;width:100%;height:100%;display:grid;place-items:center;overflow:hidden;flex-shrink:0}
.site-viewport .site .cards .app-card .app-track{position:absolute;left:50%;top:50%;right:auto;bottom:auto;width:141.421356%;height:1px;transform:translate(-50%,-50%) rotate(-45deg);transform-origin:center;z-index:1;background:var(--track-muted)}
.site-viewport .site .cards .app-card .app-track::after{content:"";position:absolute;background:var(--accent);top:-2px;left:-28px;width:28px;height:5px;animation:card-diagonal-train 6s ease-in-out infinite;animation-direction:var(--card-train-direction)}
@keyframes card-diagonal-train{0%{left:-28px;opacity:0}15%{opacity:1}85%{opacity:1}100%{left:100%;opacity:0}}
.site-viewport .site .cards .app-card .app-station{position:relative;display:grid;place-items:center;width:63px;height:63px;margin:0;border:1px solid var(--border-strong);border-radius:50%;outline:7px solid var(--surface);background:var(--surface);color:var(--accent);box-shadow:none;font:500 24px var(--font-ui);letter-spacing:normal;z-index:2;transition:background var(--duration-fast),color var(--duration-fast),box-shadow var(--duration-flow)}
.site-viewport .site .cards .app-card .app-code{display:block;position:absolute;left:12px;right:12px;bottom:12px;top:auto;max-width:none;padding:0;background:transparent;color:var(--muted);font:400 11px/1.4 var(--font-tech);font-variant-numeric:tabular-nums;white-space:normal;overflow-wrap:anywhere;text-align:left;letter-spacing:.03em;z-index:2;align-self:auto}
.site-viewport .site .cards .app-card .app-copy{display:flex;flex-direction:column;gap:12px;min-width:0;padding:20px 24px}
.site-viewport .site .cards .app-card .app-meta{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 6px;color:var(--muted)}
.site-viewport .site .cards .app-card .app-category,.site-viewport .site .cards .app-card .card-label{font-size:12px;line-height:1.5;font-weight:400;min-height:0;padding:0;border:0!important;background:transparent;color:var(--muted)!important}
.app-category{display:block;letter-spacing:.02em}
.card-label{display:inline-flex;align-items:center;border-radius:3px}
.site-viewport .site .cards .app-card .meta-dot{font-size:12px}
.site-viewport .site .cards .app-card .app-title-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 8px}
.site-viewport .site .cards .app-card .app-title{display:block;font-size:24px;line-height:1.35;margin:0;font-weight:600;letter-spacing:-.015em}
.site-viewport .site .cards .app-card .app-purpose{font-size:14px;line-height:1.5;font-weight:400;color:var(--muted)}
.site-viewport .site .cards .app-card .app-summary{display:block;font-size:15px;line-height:1.65;max-width:none;margin:0;overflow-wrap:anywhere;color:var(--muted)}
.site-viewport .site .cards .app-card .app-arrow{display:grid;place-items:center;position:static;width:40px;height:40px;margin-right:20px;border:0;border-radius:50%;background:var(--accent);color:var(--on-accent);font-size:24px;transition:transform .3s ease,color .16s ease}
.site-viewport .site .cards .app-card[data-demo="true"] .app-arrow{background:transparent;color:var(--muted)}
.site-viewport .site .cards .app-card[data-demo="true"]:hover .app-arrow,.site-viewport .site .cards .app-card[data-demo="true"]:focus-visible .app-arrow{color:var(--accent)}
.site-viewport .site .cards .app-card:hover .app-station,.site-viewport .site .cards .app-card:focus-visible .app-station{background:var(--surface-hover);outline-color:var(--surface-hover)}
.site-viewport .site .cards .app-card:active .app-station{background:var(--surface-active);outline-color:var(--surface-active)}
.site-viewport .site .cards .app-card[data-route="local"]:hover .app-arrow,.site-viewport .site .cards .app-card[data-route="local"]:focus-visible .app-arrow{transform:rotate(45deg)}
.site-viewport .site .cards .app-card[data-route="external"]:hover .app-arrow,.site-viewport .site .cards .app-card[data-route="external"]:focus-visible .app-arrow{transform:rotate(-45deg)}
@container (max-width:1100px){.site-viewport.site-viewport .site .cards .app-card .app-copy{padding:16px 20px;gap:10px}}
@container (max-width:760px){
.site-viewport.site-viewport .site .cards .app-art{place-items:start stretch}
.site-viewport.site-viewport .site .cards .app-code{align-self:flex-end}
.site-viewport.site-viewport .site .cards{--card-square:clamp(112px,34cqi,144px)}
.site-viewport.site-viewport .site .cards .app-card{grid-template-columns:var(--card-square) minmax(0,1fr)}
.site-viewport.site-viewport .site .cards .app-card .app-station{width:42px;height:42px;font-size:20px}
.site-viewport.site-viewport .site .cards .app-card .app-code{left:8px;right:8px;bottom:8px;font-size:8px;letter-spacing:0}
.site-viewport.site-viewport .site .cards .app-card .app-copy{padding:12px 10px;gap:6px}
.site-viewport.site-viewport .site .cards .app-card .app-category,.site-viewport.site-viewport .site .cards .app-card .card-label,.site-viewport.site-viewport .site .cards .app-card .meta-dot{font-size:10px;line-height:1.4}
.site-viewport.site-viewport .site .cards .app-card .app-title{font-size:16px;line-height:1.35}
.site-viewport.site-viewport .site .cards .app-card .app-purpose{font-size:10px;line-height:1.4}
.site-viewport.site-viewport .site .cards .app-card .app-title-row{column-gap:6px}
.site-viewport.site-viewport .site .cards .app-card .app-summary{font-size:12px;line-height:1.55}
.site-viewport.site-viewport .site .cards .app-card .app-arrow{display:none;right:16px;bottom:12px}
}
@container (max-width:560px){.site-viewport.site-viewport .site .cards .app-card .app-arrow{font-size:21px}}

/* A2 network, station labels and motion; responsive selectors use container queries. */
.network{position:relative;min-width:0;padding:12px 0}
.network-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font:9px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.1em}
.network-caption{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font:9px ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.1em}
.network-top{padding:0 5px 12px}
.route-map{display:block;width:100%;overflow:hidden}
.track{stroke-width:2.5}
.track-lime{stroke:#b3d471}
.track-silver{stroke:#809486}
.track-muted{stroke:#39493c}
.signal{stroke-width:4;stroke-dasharray:28 972;animation:travel 13s linear infinite}
.signal-one{stroke:#ecffd0}
.signal-two{stroke:#e1e9e1;animation-duration:19s;animation-delay:-5s}
.stations circle{fill:var(--bg);stroke:#809486;stroke-width:2}
.stations .lime-station{stroke:var(--accent)}
.map-labels{fill:var(--muted);font:10px sans-serif;letter-spacing:1px}
.map-labels .hub-label{fill:var(--ink);font-size:26px;font-weight:600;letter-spacing:-1px}
.line-key{display:flex;align-items:center;gap:10px}
.line-key i{width:22px;height:2px;background:var(--accent)}
.network-caption{margin-top:-24px;position:relative}
.map-cross{font-size:24px;font-weight:200}
@keyframes travel{to{stroke-dashoffset:-1000}}
.motion-paused .signal{animation-play-state:paused}
@container(max-width:860px){
.network{width:100%;margin:auto}
}
@container(max-width:560px){
.network-top{font-size:8px}
.network-caption{font-size:8px}
}
.network .track{transition:opacity var(--duration-flow)}
.network .signal{transition:opacity var(--duration-flow)}
.network.is-routed .track{opacity:.18}
.network.is-routed .signal{opacity:.18}
.network.is-routed .route-active{opacity:1}
@container(max-width:860px){
.network{max-width:500px}
}
@container(max-width:560px){
.network{padding:0}
.route-map{max-height:260px}
}
.site .network{max-width:none;width:auto;margin:0;animation:appear 1.4s ease-out both}
.site .hub-pulse{stroke:var(--accent);stroke-width:1;fill:none;transform-origin:211px 250px;animation:pulse 4s ease-out infinite}
.site .route-map{max-height:none}
@container (max-width:760px){
.site-viewport.site-viewport .site .network{max-width:510px;width:100%;margin:0 auto}
.site-viewport.site-viewport .site .route-map{max-height:340px}
}
@keyframes pulse{0%{transform:scale(.65);opacity:0}25%{opacity:.55}100%{transform:scale(1.65);opacity:0}}
.motion-paused .site .network{transform:none;transition:none}
@media(prefers-reduced-motion:reduce){.site .network{animation:none!important;opacity:1;transform:none!important}}
.site .network-top{font-family:var(--font-tech);font-weight:400;font-variant-numeric:tabular-nums}
.site .map-english{font-family:var(--font-tech);font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking);font-variant-numeric:tabular-nums}
.site .network-caption{font-family:var(--font-ui);font-size:var(--type-note);line-height:var(--leading-ui)}
.site .map-canvas{position:relative;aspect-ratio:720/530}
.site .map-canvas .route-map{width:100%;height:100%;max-height:none;pointer-events:none}
.site .map-canvas .map-hit{fill:transparent;stroke:none;pointer-events:all}
.site .map-point{cursor:pointer}
.site .map-stops{position:absolute;inset:0;pointer-events:none}
.site .map-stop{position:absolute;left:var(--stop-x);top:var(--stop-y);width:44px;min-height:44px;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;background:transparent;border:0;border-radius:50%;padding:0;color:var(--muted);cursor:pointer;text-decoration:none;font-family:var(--font-ui);line-height:var(--leading-ui);pointer-events:auto}
.site .map-stop-marker{display:block;flex:none;border:2px solid #809486;border-radius:50%;background:var(--bg);font-size:0;transition:background .16s,border-color .16s,box-shadow .16s}
.site .map-stop[data-kind="application"] .map-stop-marker{border-color:var(--accent)}
.site .map-stop-label{position:absolute;left:calc(100% + 2px);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:3px;white-space:nowrap;text-align:left;padding:3px 5px;background:transparent;border-radius:3px;transition:color .16s}
.site .map-name{font-size:var(--type-control);font-weight:500;line-height:var(--leading-ui);color:var(--ink)}
.site .map-english{display:block}
.site .map-stop[data-label-side="left"] .map-stop-label{left:auto;right:calc(100% + 2px);text-align:right}
.site .map-stop[data-label-side="above"] .map-stop-label{left:50%;top:auto;bottom:100%;transform:translateX(-50%);text-align:center}
.site .map-stop[data-label-side="below"] .map-stop-label{left:50%;top:calc(100% + 8px);bottom:auto;transform:translateX(-50%);text-align:center}
.site .map-stop:hover{color:var(--accent)}
.site .map-stop:focus-visible{color:var(--accent)}
.site .map-stop:hover .map-stop-marker{background:var(--accent);border-color:var(--accent)}
.site .map-stop:focus-visible .map-stop-marker{background:var(--accent);border-color:var(--accent)}
.site .map-stop:hover .map-name{color:var(--accent)}
.site .map-stop:focus-visible .map-name{color:var(--accent)}
.site .network-caption{margin-top:0;padding-top:8px}
@container (max-width:1100px){
.site-viewport.site-viewport .site .map-canvas{aspect-ratio:auto}
.site-viewport.site-viewport .site .map-canvas .route-map{aspect-ratio:720/530;height:auto}
.site-viewport.site-viewport .site .map-stops{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}
.site-viewport.site-viewport .site .map-stop{position:static;left:auto;top:auto;transform:none;width:auto;min-height:64px;display:flex;justify-content:flex-start;gap:10px;border:1px solid var(--line);border-radius:4px;padding:10px;text-align:left}
.site-viewport.site-viewport .site .map-stop-marker{border-width:1px;font:12px/1 var(--font-tech);display:grid;place-items:center;color:var(--accent)}
.site-viewport.site-viewport .site .map-stop .map-stop-label{position:static;left:auto;right:auto;top:auto;bottom:auto;transform:none;white-space:normal;text-align:left;padding:0;background:none;min-width:0}
.site-viewport.site-viewport .site .map-english{overflow-wrap:anywhere}
}
@container (max-width:760px){
.site-viewport.site-viewport .site .map-canvas .route-map{max-height:none}
.site-viewport.site-viewport .site .network-caption{margin-top:0}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .map-stops{gap:8px}
.site-viewport.site-viewport .site .map-stop{gap:8px;padding:8px;min-height:76px}
}
.site .signal{animation-direction:var(--train-direction)}
.site .route-map #grid circle{fill:var(--line)}
.site .route-map #fade stop{stop-color:var(--bg)}
.site .track-lime{stroke:var(--track-lime)}
.site .track-silver{stroke:var(--track-silver)}
.site .signal-one{stroke:var(--signal-lime)}
.site .signal-two{stroke:var(--signal-silver)}
.site .stations circle:not(.map-hit){fill:var(--bg);stroke:var(--track-silver)}
.site .stations circle.lime-station{stroke:var(--accent)}
.site .hub-shell{fill:var(--bg);stroke:var(--accent)}
.site .hub-core{fill:var(--accent)}
.site .map-stop-marker{border-color:var(--track-silver)}
@container (max-width:1100px){
.site-viewport.site-viewport .site .map-stop:hover .map-stop-marker{color:var(--on-accent)}
.site-viewport.site-viewport .site .map-stop:focus-visible .map-stop-marker{color:var(--on-accent)}
}
.site .network{grid-column:2;grid-row:1 / 3;padding:12px 0 var(--hero-baseline-inset)}
.site .network-caption{position:absolute;left:auto;right:0;bottom:0;justify-content:flex-end;margin:0;padding:0;letter-spacing:0}
.site .network-top{padding:0 0 14px}
.site .possibility-copy{display:flex;min-width:0}
.site .possibility-cn{font:500 var(--type-body)/var(--leading-ui) var(--font-ui)}
.site .possibility-en{font:400 var(--type-english)/1.5 var(--font-tech);font-variant-numeric:tabular-nums}
.site .possibility-range{display:inline-flex;align-items:center;color:var(--accent)}
.site .possibility-track{position:relative;display:block;height:1px;background:var(--track-lime)}
.site .possibility-track::before{content:"";position:absolute;top:-2px;width:5px;height:5px;border:1px solid var(--accent);border-radius:50%;background:var(--bg)}
.site .possibility-track::after{content:"";position:absolute;top:-2px;width:5px;height:5px;border:1px solid var(--accent);border-radius:50%;background:var(--bg)}
.site .possibility-track::before{left:0}
.site .possibility-track::after{right:0}
.site .possibility-infinity{font-family:var(--font-ui)}
.site .map-stop-marker{position:relative;width:16px;height:16px}
.site .map-stop-marker::after{content:"";position:absolute;inset:-7px;border:1px solid var(--accent);border-radius:50%;pointer-events:none;opacity:0;transform:scale(.75);animation:station-arrival 3.6s ease-out infinite;animation-delay:var(--station-delay,0s)}
.site .map-stop:nth-child(2){--station-delay:-.5s}
.site .map-stop:nth-child(3){--station-delay:-1s}
.site .map-stop:nth-child(4){--station-delay:-1.5s}
.site .map-stop:nth-child(5){--station-delay:-2s}
.site .map-stop:nth-child(6){--station-delay:-2.5s}
.site .map-stop:hover .map-stop-marker{box-shadow:0 0 0 7px var(--accent-soft)}
.site .map-stop:focus-visible .map-stop-marker{box-shadow:0 0 0 7px var(--accent-soft)}
.site .map-stop:hover .map-stop-marker::after{animation:none;opacity:.85;transform:scale(1)}
.site .map-stop:focus-visible .map-stop-marker::after{animation:none;opacity:.85;transform:scale(1)}
.site .map-stop:hover .map-name{text-decoration:underline;text-underline-offset:4px}
.site .map-stop:focus-visible .map-name{text-decoration:underline;text-underline-offset:4px}
@container (max-width:1100px){
.site-viewport.site-viewport .site .network-caption{position:static;justify-content:flex-end;margin-top:12px;padding:0}
.site-viewport.site-viewport .site .map-stop-marker{width:24px;height:24px}
}
@container (max-width:760px){
.site-viewport.site-viewport .site .network{grid-column:1;align-self:auto;padding:0}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .network-top{gap:12px 16px}
}
@keyframes station-arrival{0%,12%{opacity:0;transform:scale(.75)}24%{opacity:.75}62%,100%{opacity:0;transform:scale(1.65)}}
.site .network-top{justify-content:flex-end;border-bottom:0;padding-bottom:0;text-align:right}
.site .possibility-copy{flex-direction:row;flex-wrap:wrap;justify-content:flex-end;max-width:100%}
.site .possibility-cn{white-space:nowrap}
.site .possibility-en{white-space:nowrap}
.site .possibility-origin{font:500 var(--type-map-symbol)/1 var(--font-tech);color:var(--accent);font-variant-numeric:tabular-nums}
.site .possibility-infinity{font:500 var(--type-map-symbol)/1 var(--font-tech);color:var(--accent);font-variant-numeric:tabular-nums}
.site .possibility-separator{color:var(--muted);font:400 var(--type-english)/1.5 var(--font-tech)}
.site .track-branch{stroke:var(--track-silver)}
.site .signal-three{stroke:var(--signal-silver);stroke-width:3;animation-duration:17s;animation-delay:-8s}
@container (max-width:560px){
.site-viewport.site-viewport .site .possibility-copy{column-gap:4px}
}
.site .network{align-self:stretch;display:flex;flex-direction:column}
.site .map-canvas{margin-top:auto}
.site .network-top{flex-wrap:wrap;align-items:center;gap:8px 16px;flex:none;margin-bottom:16px;font-size:var(--type-english);line-height:1.5;letter-spacing:var(--english-tracking)}
.site .possibility-copy{align-items:center;gap:4px 8px}
.site .possibility-cn{font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking)}
.site .possibility-en{font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking)}
.site .possibility-separator{font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking)}
.site .possibility-origin{font-size:var(--type-english);font-weight:400;line-height:1.5;letter-spacing:var(--english-tracking)}
.site .possibility-infinity{font-size:var(--type-english);font-weight:400;line-height:1.5}
.site .possibility-cn{color:var(--muted)}
.site .possibility-range{gap:8px}
.site .possibility-track{width:24px}
.site .possibility-infinity{display:inline-flex;align-items:center;letter-spacing:0}
.site .possibility-infinity svg{display:block;width:1.5em;height:1em;flex:none}
@container (max-width:760px){
.site-viewport.site-viewport .site .network{display:block}
}
@container (max-width:560px){
.site-viewport.site-viewport .site .possibility-cn{font-size:var(--type-english)}
}
.site .track-muted{stroke:var(--track-resource)}
.site .track-branch{stroke-opacity:.75}
.site .map-stop[data-label-side="right-below"] .map-stop-label{left:calc(100% + 2px);top:calc(100% + 8px);transform:none}
@container (max-width:1100px){
.site-viewport.site-viewport .site .map-stop[data-label-side="right-below"] .map-stop-label{position:static;left:auto;top:auto;transform:none}
}
@container (max-width:760px){
.site-viewport.site-viewport .site .network{grid-row:2}
.site-viewport.site-viewport .site .map-canvas{position:relative;aspect-ratio:720/530}
.site-viewport.site-viewport .site .map-canvas .route-map{width:100%;max-width:none;height:100%;margin:0}
.site-viewport.site-viewport .site .map-stops{position:absolute;inset:0;display:block;margin:0}
.site-viewport.site-viewport .site .map-stop{position:absolute;left:var(--stop-x);top:var(--stop-y);transform:translate(-50%,-50%);width:36px;min-height:36px;height:36px;display:flex;justify-content:center;align-items:center;padding:0;gap:0;border:0;border-radius:50%;background:transparent}
.site-viewport.site-viewport .site .map-stop-marker{width:10px;height:10px;font-size:0;border-width:1.5px}
.site-viewport.site-viewport .site .map-stop-marker::after{display:none}
.site-viewport.site-viewport .site .map-stop .map-stop-label{position:absolute;left:calc(50% + 10px);right:auto;top:50%;bottom:auto;transform:translateY(-50%);display:flex;gap:1px;white-space:nowrap;text-align:left;padding:0;background:transparent;max-width:none}
.site-viewport.site-viewport .site .map-name{font-size:11px;line-height:1.35}
.site-viewport.site-viewport .site .map-english{font-size:8px;line-height:1.35;letter-spacing:0;overflow-wrap:normal}
.site-viewport.site-viewport .site .map-stop[data-label-side="left"] .map-stop-label{left:auto;right:calc(50% + 10px);text-align:right}
.site-viewport.site-viewport .site .map-stop[data-label-side="above"] .map-stop-label{left:50%;right:auto;top:auto;bottom:calc(50% + 10px);transform:translateX(-50%);text-align:center}
.site-viewport.site-viewport .site .map-stop[data-label-side="below"] .map-stop-label{left:50%;right:auto;top:calc(50% + 10px);bottom:auto;transform:translateX(-50%);text-align:center}
.site-viewport.site-viewport .site .map-stop[data-label-side="right-below"] .map-stop-label{left:calc(50% + 10px);right:auto;top:calc(50% + 4px);bottom:auto;transform:none;text-align:left}
}

/* Approved transparent brand compositing; original code coordinates unchanged. */
.wg-entry{position:relative;min-width:0;--mini-code-size:128px}
.site-viewport.site-viewport .site .cards .wg-entry .app-copy{display:grid;grid-template-columns:minmax(0,1fr) var(--mini-code-size);align-items:center;gap:24px}
.wg-web-copy{display:flex;flex-direction:column;gap:12px;min-width:0}
.mini-program-panel{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0;text-align:center;cursor:default;color:var(--muted);font:400 11px/1.4 var(--font-ui)}
.mini-program-image{display:block;background:transparent;line-height:0}
#mini-program-code{display:block;width:var(--mini-code-size);height:var(--mini-code-size);max-width:100%;overflow:visible}
#mini-program-code feFlood{flood-color:var(--accent)}
.mini-program-trigger{display:none}
#mini-program-trigger-code{display:block;width:36px;height:36px}
#mini-program-trigger-code feFlood{flood-color:var(--accent)}
.mini-program-dialog{width:min(320px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;margin:auto;padding:20px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);color:var(--ink);font-family:var(--font-ui)}
.mini-program-dialog::backdrop{background:#0009}
.mini-program-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mini-program-dialog h2{margin:0;font-size:16px;font-weight:500}
#mini-program-close{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);font-size:24px;cursor:pointer}
#mini-program-modal-code{display:block;width:min(208px,100%);height:auto;margin:16px auto}
#mini-program-modal-code feFlood{flood-color:var(--accent)}
.mini-program-dialog p{margin:0;text-align:center;font-size:12px;color:var(--muted)}
.mini-program-trigger:focus-visible,#mini-program-close:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mini-program-copy{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;justify-content:center}
.mini-program-label{color:var(--ink);font-weight:400}
.wg-entry[hidden]{display:none!important}
@container(max-width:1100px){
 .site-viewport.site-viewport .site .cards[data-layout="double"] .wg-entry .app-copy{grid-template-columns:minmax(0,1fr);gap:12px}
 .cards[data-layout="double"] .mini-program-panel{align-items:flex-start;text-align:left}
 .wg-web-copy{gap:10px}
}
@container(max-width:760px){
 .site-viewport.site-viewport .site .cards .wg-entry .app-copy{grid-template-columns:minmax(0,1fr);gap:0;padding-top:48px}
 .wg-web-copy{gap:6px}
 .site .wg-entry .mini-program-panel{display:none}
 .mini-program-trigger{display:inline-flex;align-items:center;justify-content:center;position:absolute;right:8px;top:4px;width:44px;height:44px;padding:4px;border:0;border-radius:4px;background:transparent;color:var(--accent);cursor:pointer;touch-action:manipulation}
 .mini-program-trigger:hover,.mini-program-trigger:active{background:var(--surface-hover)}
}