@font-face{font-family:LeagueGothic;src:url('/assets/fonts/league-gothic-latin.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Montserrat;src:url('/assets/fonts/montserrat-latin-variable.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:Merriweather;src:url('/assets/fonts/merriweather-latin-variable.woff2') format('woff2');font-weight:300 900;font-style:normal;font-display:swap}
:root{--red:#eb1414;--red-web:#e51b17;--ink:#050505;--ink-soft:#161514;--paper:#f3f1ee;--white:#fff;--gray:#6d6a66;--rule:#cbc9c6;--max:1440px;--space:clamp(1rem,2vw,2rem);--ease:cubic-bezier(.22,.8,.2,1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Montserrat,"Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}
button{font:inherit;color:inherit}
.skip-link{position:fixed;z-index:20;top:-4rem;left:1rem;padding:.7rem 1rem;background:var(--red);color:var(--white);font-weight:700}.skip-link:focus{top:1rem}
.preview-ribbon{display:flex;justify-content:space-between;gap:1rem;padding:.55rem max(1rem,calc((100vw - var(--max))/2 + 2rem));background:var(--red);color:#fff;font:700 .7rem/1 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase}.preview-ribbon span:last-child{opacity:.8}
.site-header{position:relative;z-index:10;display:grid;grid-template-columns:minmax(12rem,1fr) auto auto;align-items:center;gap:2rem;padding:1.1rem max(1rem,calc((100vw - var(--max))/2 + 2rem));background:var(--paper);border-bottom:2px solid var(--ink)}
.brand{display:block;width:min(14rem,42vw)}.brand img{width:100%;height:auto}.header-meta{display:flex;gap:1.5rem;font:600 .68rem/1.2 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase}.menu-toggle{display:none;border:0;background:none;padding:.5rem 0;font-weight:700;cursor:pointer}.menu-toggle__close{display:none}.site-nav{display:flex;gap:1.35rem;font:700 .68rem/1 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase}.site-nav a{text-decoration:none}.site-nav a:hover,.site-nav a:focus-visible{color:var(--red)}.site-nav span{color:var(--gray);font-weight:500}
.section{padding:clamp(4rem,9vw,9rem) max(1rem,calc((100vw - var(--max))/2 + 2rem))}.section-dark,.section-black{background:var(--ink);color:var(--white)}.section-black{background:#111}.section-paper{background:var(--paper)}.section-red{background:var(--red);color:var(--white)}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(20rem,.95fr);min-height:min(760px,calc(100vh - 6rem));padding-top:clamp(4rem,8vw,8rem);padding-bottom:clamp(4rem,8vw,8rem);overflow:hidden}.hero__copy{align-self:center;max-width:46rem}.eyebrow{margin:0 0 1.3rem;font:700 .7rem/1.2 Montserrat,sans-serif;letter-spacing:.12em;text-transform:uppercase}.hero h1,.section-heading h2,.review-grid h2{margin:0;font:400 clamp(3.6rem,8.2vw,8.9rem)/.86 LeagueGothic,"Arial Narrow",sans-serif;letter-spacing:-.015em;text-transform:uppercase}.hero h1 em{color:var(--red);font-style:normal}.hero__en{margin:1.5rem 0 0;font:700 clamp(1rem,1.8vw,1.35rem)/1.2 Montserrat,sans-serif;letter-spacing:.01em}.hero__lede{max-width:38rem;margin:2rem 0 0;color:#d2d0cd;font:400 1.03rem/1.75 Merriweather,serif}.hero__actions{display:flex;align-items:center;gap:1.5rem;margin-top:2.5rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:.9rem;min-height:3rem;padding:.75rem 1rem;border:2px solid transparent;text-decoration:none;font:700 .72rem/1 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase;transition:transform 160ms var(--ease),background 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease)}.button:hover,.button:focus-visible{transform:translateY(-2px)}.button--red{background:var(--red);color:#fff}.button--red:hover,.button--red:focus-visible{background:#b90e0e}.button--outline{border-color:var(--white);color:var(--white)}.button--outline:hover,.button--outline:focus-visible{background:var(--white);color:var(--ink)}.text-link{font:700 .72rem/1 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase}.text-link--light{color:#fff}.hero__signal{display:grid;place-items:center;align-self:center;min-height:30rem}.signal-orbit{position:relative;width:min(42vw,34rem);aspect-ratio:1;border:1px solid #3e3b39;border-radius:50%}.signal-orbit:before,.signal-orbit:after{content:"";position:absolute;border:1px solid #3e3b39;border-radius:50%}.signal-orbit:before{inset:12%;transform:rotate(31deg) skewX(-15deg)}.signal-orbit:after{inset:27%;transform:rotate(-24deg) skewX(11deg)}.orbit-line{position:absolute;left:50%;top:50%;width:72%;height:2px;background:var(--red);transform-origin:left center}.orbit-line--a{transform:rotate(25deg)}.orbit-line--b{transform:rotate(-42deg);background:#77736f}.orbit-center{position:absolute;inset:0;display:grid;place-items:center;font:400 clamp(2rem,5vw,4rem)/1 LeagueGothic,sans-serif;letter-spacing:.03em}.orbit-node{position:absolute;display:grid;place-items:center;gap:.25rem;width:4.4rem;height:4.4rem;border:2px solid var(--red);border-radius:50%;background:var(--ink);color:#fff;text-align:center}.orbit-node b{font:400 2rem/1 LeagueGothic,sans-serif}.orbit-node small{font:600 .47rem/1.1 Montserrat,sans-serif;letter-spacing:.04em;text-transform:uppercase}.orbit-node--q{top:3%;left:13%}.orbit-node--m{top:13%;right:3%}.orbit-node--f{right:9%;bottom:8%}.orbit-node--p{bottom:1%;left:19%;border-color:#fff}.signal-caption{margin:1.2rem 0 0;color:#aaa49f;font:600 .65rem/1.3 Montserrat,sans-serif;letter-spacing:.08em;text-align:center;text-transform:uppercase}
.metrics{display:grid;grid-template-columns:repeat(3,1fr) 1.25fr;border-bottom:2px solid var(--ink);background:var(--paper)}.metric{display:flex;align-items:baseline;gap:1rem;padding:1.5rem max(1rem,calc((100vw - var(--max))/2 + 2rem));border-right:1px solid var(--ink)}.metric strong{font:400 clamp(3rem,5vw,5rem)/.8 LeagueGothic,sans-serif}.metric span{font:600 .67rem/1.35 Montserrat,sans-serif;letter-spacing:.03em}.metric--note{align-items:center;border-right:0;color:var(--gray)}
.section-heading{max-width:54rem;margin-bottom:clamp(2.5rem,5vw,5rem)}.section-heading h2{font-size:clamp(3.3rem,7.5vw,7.3rem);text-transform:uppercase}.section-intro{max-width:41rem;margin:1.8rem 0 0;font:400 1.05rem/1.75 Merriweather,serif}.section-heading--light .section-intro{color:#c8c4c0}.direction-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}.direction-card{position:relative;min-height:25rem;padding:1.5rem;border-right:1px solid var(--ink)}.direction-card:last-child{border-right:0}.direction-card--signal{background:var(--red);color:#fff}.direction-card--trace{background:#e3e0dc}.direction-card--route{background:var(--ink);color:#fff}.card-number{font:700 .7rem/1 Montserrat,sans-serif;letter-spacing:.1em}.direction-card h3{margin:4rem 0 1.2rem;font:400 clamp(3rem,5.8vw,6rem)/.8 LeagueGothic,sans-serif;text-transform:uppercase}.direction-card h3 small{display:block;margin-top:.7rem;font:700 .65rem/1 Montserrat,sans-serif;letter-spacing:.1em;text-transform:uppercase}.direction-card p{max-width:23rem;margin:0;font:400 .95rem/1.65 Merriweather,serif}.card-rule{display:block;width:45%;height:2px;margin:2.5rem 0 1rem;background:currentColor}.card-meta{font:700 .64rem/1 Montserrat,sans-serif!important;letter-spacing:.07em;text-transform:uppercase}.principle-bar{display:flex;justify-content:space-between;gap:2rem;padding:1.2rem 0;border-bottom:2px solid var(--ink);font-size:.8rem}.principle-bar span{font:700 .65rem/1 Montserrat,sans-serif;letter-spacing:.1em;text-transform:uppercase}.principle-bar strong{font-size:.95rem}
.website-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(18rem,.8fr);gap:clamp(2rem,6vw,7rem);align-items:start}.wireframe{border-top:2px solid #fff}.wireframe-row{display:grid;grid-template-columns:3rem 1fr auto;gap:1rem;align-items:baseline;padding:1.35rem 0;border-bottom:1px solid #484542}.wireframe-row span{color:var(--red);font:700 .7rem/1 Montserrat,sans-serif}.wireframe-row b{font:700 1rem/1.2 Montserrat,sans-serif}.wireframe-row small{color:#9a9691;font:400 .67rem/1.3 Montserrat,sans-serif;text-align:right}.wireframe-row--hero b{font-size:1.35rem}.wireframe-row--rail b{color:var(--red)}.role-panel{padding:1.7rem;background:var(--paper);color:var(--ink)}.role-panel h3{margin:0 0 1.5rem;font:400 clamp(2.5rem,4vw,4.5rem)/.85 LeagueGothic,sans-serif;text-transform:uppercase}.role-panel ul{margin:0;padding:0;list-style:none;border-top:2px solid var(--ink)}.role-panel li{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--ink);font-weight:700}.role-panel li span{color:var(--red);font:700 .65rem/1 Montserrat,sans-serif}.role-note{margin:1.5rem 0 0;color:var(--gray);font:400 .8rem/1.6 Merriweather,serif}.template-strip{display:flex;align-items:center;gap:1rem;margin-top:4rem;padding-top:1rem;border-top:2px solid #fff;font:700 .7rem/1 Montserrat,sans-serif;letter-spacing:.05em;text-transform:uppercase}.template-strip span{margin-right:auto;color:var(--red)}.template-strip i{color:#77736f;font-style:normal}
.system-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(19rem,.9fr);gap:2rem}.logo-specimen{margin:0;background:var(--ink)}.logo-stage{display:grid;place-items:center;min-height:18rem;padding:3rem}.logo-stage img{width:min(70%,23rem)}figcaption{display:flex;justify-content:space-between;gap:1rem;padding:.85rem 1rem;border-top:1px solid currentColor;font:600 .61rem/1.25 Montserrat,sans-serif;letter-spacing:.04em;text-transform:uppercase}.logo-specimen figcaption{color:#fff}.token-specimen{border-top:2px solid var(--ink)}.token-row{display:grid;grid-template-columns:2.5rem 1fr auto;gap:1rem;align-items:center;padding:1.1rem 0;border-bottom:1px solid var(--ink)}.swatch{width:2rem;height:2rem;border:1px solid var(--ink)}.swatch--red{background:var(--red)}.swatch--ink{background:var(--ink)}.swatch--paper{background:var(--paper)}.token-row b{display:block;font:700 .78rem/1.2 Montserrat,sans-serif}.token-row code{display:block;margin-top:.25rem;color:var(--gray);font:500 .68rem/1.2 Montserrat,sans-serif}.token-row small{color:var(--gray);font:600 .6rem/1.2 Montserrat,sans-serif;text-align:right;text-transform:uppercase}.token-row--type{grid-template-columns:2.5rem 1fr}.type-sample{font:400 2.4rem/.8 LeagueGothic,sans-serif}.token-row--type small{grid-column:2;text-align:left}.image-band{display:grid;grid-template-columns:1fr 1fr .8fr;gap:1rem;margin-top:clamp(3rem,6vw,6rem)}.image-band figure{margin:0;background:var(--ink);color:#fff}.image-band figure img{width:100%;aspect-ratio:4/3;object-fit:cover;filter:saturate(.75)}.image-band__note{align-self:end;padding:1.5rem 0 0;border-top:2px solid var(--ink)}.image-band__note span{font:700 .65rem/1 Montserrat,sans-serif;letter-spacing:.1em}.image-band__note strong{display:block;margin:1.4rem 0;font:400 clamp(2.7rem,4vw,4.8rem)/.8 LeagueGothic,sans-serif;text-transform:uppercase}.image-band__note p{max-width:18rem;color:var(--gray);font:400 .8rem/1.6 Merriweather,serif}
.filter-bar{display:flex;gap:1rem;margin-bottom:1.5rem;border-bottom:2px solid #fff}.filter-button{padding:.8rem 0;margin-right:1.2rem;border:0;border-bottom:3px solid transparent;background:transparent;color:#fff;cursor:pointer;font:700 .68rem/1 Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase}.filter-button span{color:#ffaaa5}.filter-button.is-active{border-color:#fff}.evidence-list{border-top:1px solid rgba(255,255,255,.5)}.evidence-item{display:grid;grid-template-columns:3rem 1fr auto;gap:1.5rem;align-items:start;padding:1.4rem 0;border-bottom:1px solid rgba(255,255,255,.5);transition:opacity 160ms ease,transform 160ms ease}.evidence-item.is-hidden{display:none}.evidence-index{font:400 2.2rem/.8 LeagueGothic,sans-serif}.evidence-item h3{margin:0 0 .5rem;font:700 1rem/1.25 Montserrat,sans-serif}.evidence-item p{max-width:48rem;margin:0;color:#ffe1df;font:400 .9rem/1.6 Merriweather,serif}.status{align-self:start;padding:.45rem .55rem;border:1px solid #fff;font:700 .58rem/1 Montserrat,sans-serif;letter-spacing:.08em;white-space:nowrap}.status--keep{background:#fff;color:var(--red)}.status--review{color:#fff}.filter-live{margin:1.2rem 0 0;color:#ffe1df;font:600 .68rem/1 Montserrat,sans-serif}
.review-section{padding-top:clamp(4rem,7vw,7rem);padding-bottom:2rem}.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,8vw,10rem);align-items:start}.review-grid h2{font-size:clamp(3.4rem,6.5vw,6.7rem)}.review-steps{margin:0;padding:0;list-style:none;border-top:1px solid #4b4845}.review-steps li{display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid #4b4845}.review-steps span{color:var(--red);font:400 2.2rem/.8 LeagueGothic,sans-serif}.review-steps b{display:block;font:700 .9rem/1.2 Montserrat,sans-serif}.review-steps small{display:block;margin-top:.35rem;color:#aaa49f;font:400 .75rem/1.4 Merriweather,serif}.review-footer{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-top:5rem;padding-top:1rem;border-top:1px solid #4b4845;color:#aaa49f;font:600 .65rem/1.2 Montserrat,sans-serif;letter-spacing:.06em;text-transform:uppercase}
.site-footer{display:flex;justify-content:space-between;gap:2rem;padding:2rem max(1rem,calc((100vw - var(--max))/2 + 2rem));background:var(--paper);border-top:2px solid var(--ink)}.site-footer>div{display:flex;align-items:center;gap:1.2rem}.site-footer img{width:5.5rem;height:auto}.site-footer span,.site-footer p{font:600 .65rem/1.5 Montserrat,sans-serif;letter-spacing:.04em;text-transform:uppercase}.site-footer p{margin:0;color:var(--gray);text-align:right}
:focus-visible{outline:3px solid var(--red);outline-offset:4px}
@media (max-width:900px){.site-header{grid-template-columns:1fr auto}.header-meta{display:none}.menu-toggle{display:block}.menu-toggle__close{display:none}.site-nav{position:absolute;top:100%;right:1rem;left:1rem;display:none;padding:1rem;background:var(--paper);border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink)}.site-nav.is-open{display:grid}.menu-toggle[aria-expanded=true] .menu-toggle__open{display:none}.menu-toggle[aria-expanded=true] .menu-toggle__close{display:inline}.hero{grid-template-columns:1fr;min-height:0}.hero__signal{min-height:25rem;margin-top:4rem}.signal-orbit{width:min(76vw,28rem)}.metrics{grid-template-columns:repeat(2,1fr)}.metric:nth-child(2){border-right:0}.metric--note{grid-column:1/-1;border-top:1px solid var(--ink);border-right:0}.direction-grid,.system-grid,.website-layout{grid-template-columns:1fr}.direction-card{min-height:20rem;border-right:0;border-bottom:1px solid var(--ink)}.direction-card:last-child{border-bottom:0}.role-panel{max-width:40rem}.image-band{grid-template-columns:1fr 1fr}.image-band__note{grid-column:1/-1}.review-grid{grid-template-columns:1fr}.review-footer{margin-top:3rem}}
@media (max-width:600px){.preview-ribbon{font-size:.58rem}.site-header{padding:1rem}.section{padding:4rem 1rem}.hero h1{font-size:clamp(3.6rem,17vw,6rem)}.hero__lede{font-size:.92rem}.hero__actions{align-items:flex-start;flex-direction:column;gap:1.2rem}.hero__signal{min-height:20rem}.signal-orbit{width:min(86vw,23rem)}.orbit-node{width:3.5rem;height:3.5rem}.orbit-node b{font-size:1.6rem}.orbit-node small{font-size:.38rem}.metrics{grid-template-columns:1fr 1fr}.metric{display:block;padding:1rem}.metric strong{display:block;margin-bottom:.5rem}.metric span{font-size:.58rem}.section-heading h2,.review-grid h2{font-size:clamp(3.5rem,15vw,6rem)}.wireframe-row{grid-template-columns:2rem 1fr}.wireframe-row small{grid-column:2;text-align:left}.template-strip{flex-wrap:wrap;gap:.65rem}.template-strip span{width:100%;margin:0}.token-row{grid-template-columns:2rem 1fr}.token-row small{grid-column:2;text-align:left}.swatch{width:1.7rem;height:1.7rem}.image-band{grid-template-columns:1fr}.image-band__note{grid-column:auto}.evidence-item{grid-template-columns:2rem 1fr}.evidence-item .status{grid-column:2;justify-self:start}.evidence-item h3{font-size:.9rem}.site-footer{display:block}.site-footer>div{margin-bottom:1rem}.site-footer p{text-align:left}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.evidence-item{transition:none}.orbit-line{transform:none}}

/* Chinese reading and keyboard review overrides. Keep the Latin display type, but
   let Chinese copy use a native sans stack with comfortable rhythm. */
:lang(zh-CN) body{font-family:"Noto Sans SC",Montserrat,system-ui,sans-serif;line-height:1.65}
:lang(zh-CN) .hero h1{font-size:clamp(3.6rem,7vw,6.5rem)}
:lang(zh-CN) .hero h1,:lang(zh-CN) .section-heading h2,:lang(zh-CN) .review-grid h2,:lang(zh-CN) .role-panel h3,:lang(zh-CN) .direction-card h3,:lang(zh-CN) .image-band__note strong{font-family:"Noto Sans SC",system-ui,sans-serif;font-weight:900;line-height:1.18;letter-spacing:0;text-transform:none}
:lang(zh-CN) .eyebrow,:lang(zh-CN) .site-nav,:lang(zh-CN) .button,:lang(zh-CN) .text-link,:lang(zh-CN) .card-meta,:lang(zh-CN) .template-strip,:lang(zh-CN) .review-footer{letter-spacing:.03em;text-transform:none}
:lang(zh-CN) .hero__en{font-family:Montserrat,"Noto Sans SC",sans-serif}
.metric-source{max-width:var(--max);margin:0 auto;padding:.65rem max(1rem,calc((100vw - var(--max))/2 + 2rem));color:var(--gray);font:600 .65rem/1.4 Montserrat,"Noto Sans SC",sans-serif;letter-spacing:.02em;background:var(--paper)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:sticky;top:0}
[id]{scroll-margin-top:5.5rem}
.wireframe-row{grid-template-columns:3rem minmax(0,1fr) minmax(0,auto)}
.wireframe-row small,.token-row small{overflow-wrap:anywhere}
.status{white-space:normal;text-align:center}
@media (max-width:600px){.wireframe-row{grid-template-columns:2rem minmax(0,1fr)}.wireframe-row small{min-width:0}.metric-source{padding-left:1rem;padding-right:1rem}.status{max-width:12rem;text-align:left}}
@media (min-width:901px){.hero{grid-template-columns:minmax(0,1.3fr) minmax(18rem,.7fr)}.hero__copy{max-width:60rem}.signal-orbit{width:min(38vw,30rem)}}