@font-face{font-family:Mobius Mono;src:local("Cascadia Mono"),local("Consolas")}*{box-sizing:border-box}html{scroll-behavior:smooth}body{--paper:#f2f5ef;--ink:#080b09;--muted:#566159;--line:#c7cec6;--accent:#12643f;--panel:#dfe6de;margin:0;background:var(--paper);color:var(--ink);font-family:Mobius Mono,Microsoft YaHei UI,monospace;-webkit-font-smoothing:antialiased}button,a{font:inherit}button{border:0}a{color:inherit;text-underline-offset:4px}.wrap{width:min(1360px,calc(100% - 80px));margin-inline:auto}.skip{position:fixed;z-index:100;top:8px;left:8px;padding:10px 14px;background:var(--ink);color:var(--paper);transform:translateY(-140%)}.skip:focus{transform:none}.site-nav{height:74px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;text-decoration:none}.site-nav nav{display:flex;align-items:center;gap:32px;font-size:11px;font-weight:850}.site-nav nav>a{text-decoration:none}.site-nav nav>a:hover{text-decoration:underline}.lang-switch{display:flex;align-items:center;gap:7px;min-height:36px;padding:0 10px;border:1px solid var(--line);background:transparent;cursor:pointer}.lang-switch:hover{background:var(--ink);color:var(--paper)}.lang-label{font-size:9px}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.hero{min-height:calc(100vh - 74px);display:flex;align-items:center;position:relative}.hero-copy{width:45%;z-index:2}.signal{margin:0 0 18px;font-size:10px;font-weight:900;letter-spacing:.16em}.hero h1{margin:0;font:900 clamp(54px,7.4vw,114px)/.78 "Arial Black","Microsoft YaHei UI",sans-serif;letter-spacing:-.085em}.hero h1 .outline{color:var(--paper);-webkit-text-stroke:2px var(--ink);text-shadow:1px 0 var(--ink)}.lede{max-width:590px;margin:42px 0 0;font-family:Microsoft YaHei UI,sans-serif;font-size:16px;line-height:1.75}.actions{display:flex;align-items:center;gap:26px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--ink);text-decoration:none;font-size:11px;font-weight:900}.button.primary{background:var(--ink);color:var(--paper)}.button:hover{background:var(--accent);border-color:var(--accent);color:#fff}.text-link{font-size:11px;font-weight:900;text-decoration:none}.text-link:hover{text-decoration:underline}.hero-proof{margin-top:28px;color:var(--muted);font-size:9px;letter-spacing:.04em}.hero-art{position:absolute;right:-2%;top:7%;width:59%;height:86%;display:grid;place-items:center;overflow:hidden}.hero-art img{width:110%;max-width:none;filter:grayscale(1) contrast(1.55) brightness(.64);mix-blend-mode:multiply;transform:rotate(-4deg) scale(1.03)}.hero-art:after{content:"";position:absolute;top:5%;right:0;bottom:5%;left:0;background:repeating-linear-gradient(to bottom,transparent 0 5px,var(--paper) 6px 9px);mix-blend-mode:screen;pointer-events:none}.scan-field{position:absolute;z-index:-1;right:2%;top:10%;width:88%;height:78%;background:repeating-linear-gradient(to bottom,var(--ink) 0 2px,transparent 2px 9px);opacity:.12;clip-path:polygon(22% 0,100% 3%,91% 92%,7% 100%,0 27%)}.echo{position:absolute;border:1px solid var(--ink);width:64%;height:44%;opacity:.12;transform:skew(-7deg)}.echo-one{top:19%;right:0}.echo-two{bottom:12%;left:5%}.hero-status{position:absolute;right:5%;bottom:10%;padding:7px 9px;background:var(--paper);border:1px solid var(--ink);font-size:10px;font-weight:800;letter-spacing:.08em}.proof-band{border-block:1px solid var(--ink);background:var(--ink);color:var(--paper)}.proof-track{min-height:60px;display:flex;align-items:center;gap:clamp(25px,6vw,90px);font-size:11px;font-weight:900}.proof-note{margin-left:auto;color:#aeb8af;font-size:9px;font-weight:600}.chapter{padding-block:clamp(100px,12vw,180px);scroll-margin-top:40px}.chapter-copy h2,.section-head h2{max-width:800px;margin:0;font:900 clamp(38px,5vw,72px)/.98 "Arial Black","Microsoft YaHei UI",sans-serif;letter-spacing:-.055em;text-wrap:balance}.chapter-copy>p:last-child,.section-head>p:last-child{max-width:650px;margin:27px 0 0;color:var(--muted);font:15px/1.8 Microsoft YaHei UI,sans-serif}.continuity{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(50px,8vw,130px);align-items:center}.trajectory{display:grid;grid-template-columns:132px 1fr;border:1px solid var(--ink);background:var(--paper)}.trace-step{display:grid;grid-template-columns:28px 1fr;text-align:left;border:0;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);background:transparent;padding:15px 12px;cursor:pointer}.trace-step:nth-child(3){border-bottom:0}.trace-step span{grid-row:span 2;color:var(--muted);font-size:10px}.trace-step b{font-size:12px}.trace-step small{font-size:9px;color:var(--muted);margin-top:4px}.trace-step.active{background:var(--ink);color:var(--paper)}.trace-step.active span,.trace-step.active small{color:#aeb8af}.trace-screen{grid-column:2;grid-row:1/4;min-height:360px;padding:20px;background:var(--panel);position:relative;overflow:hidden}.trace-screen:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(transparent 0 5px,#080b090b 6px,#080b090b 7px);pointer-events:none}.trace-title{display:flex;justify-content:space-between;border-bottom:1px solid var(--ink);padding-bottom:11px;font-size:10px;font-weight:800}.trace-title i{width:8px;height:8px;background:var(--accent)}.trace-screen pre{margin:54px 0 0;font:clamp(12px,1.4vw,17px)/2 "Mobius Mono",monospace;white-space:pre-wrap}.section-head{display:grid;grid-template-columns:.32fr 1fr;column-gap:50px;align-items:start;margin-bottom:90px}.section-head .signal{grid-row:1/3}.section-head h2{max-width:900px}.section-head>p:last-child{grid-column:2}.features{padding-top:120px}.feature-row{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(40px,7vw,110px);align-items:center;padding-block:90px;border-top:1px solid var(--line)}.feature-row.reverse{grid-template-columns:1.3fr .7fr}.feature-row.reverse .feature-copy{grid-column:2}.feature-row.reverse .product-shot{grid-column:1;grid-row:1}.feature-number{display:inline-flex;padding:5px 8px;background:var(--ink);color:var(--paper);font-size:9px}.feature-copy h3{margin:24px 0 17px;font:850 clamp(27px,3.3vw,46px)/1.05 "Arial Black","Microsoft YaHei UI",sans-serif;letter-spacing:-.04em}.feature-copy p{color:var(--muted);font:14px/1.75 Microsoft YaHei UI,sans-serif}.feature-copy ul{margin:25px 0 0;padding:0;list-style:none}.feature-copy li{padding:10px 0;border-top:1px solid var(--line);font-size:10px}.feature-copy li:before{content:"↳";margin-right:10px;color:var(--accent)}.product-shot{margin:0;border:1px solid var(--ink);background:#0c1210;box-shadow:14px 14px 0 var(--ink)}.product-shot img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;object-position:top}.product-shot figcaption{padding:10px 12px;color:#aeb8af;font-size:9px}.demo{background:var(--ink);color:var(--paper)}.demo .section-head>p:last-child{color:#aeb8af}.video-shell{padding:12px;border:1px solid #425048;background:#111815;box-shadow:18px 18px 0 var(--accent)}.video-shell video{display:block;width:100%;aspect-ratio:16/9;background:#050706}.library-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(50px,8vw,120px);align-items:center}.pixel-canvas{min-height:550px;position:relative;border:1px solid var(--ink);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:24px 24px}.pixel-canvas article{position:absolute;border:1px solid var(--ink);background:var(--paper);padding:18px;box-shadow:6px 6px 0 var(--ink)}.pixel-canvas small{display:block;font-size:9px;margin-bottom:18px}.pixel-canvas b{display:block;font-size:14px}.pixel-canvas p,.pixel-canvas span{font-size:11px;line-height:1.8}.note-card{width:42%;left:8%;top:11%;transform:rotate(-2deg)}.link-card{width:43%;right:8%;top:30%;transform:rotate(2deg)}.session-card{width:56%;left:21%;bottom:9%}.install{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(50px,9vw,150px);align-items:start;border-top:1px solid var(--ink)}.install h2{margin:0 0 24px;font:900 clamp(42px,5.3vw,78px)/.94 "Arial Black","Microsoft YaHei UI",sans-serif;letter-spacing:-.06em}.install>div>p:not(.signal){max-width:580px;color:var(--muted);font:14px/1.75 Microsoft YaHei UI,sans-serif}.steps{counter-reset:steps;margin:0;padding:0;list-style:none}.steps li{display:grid;grid-template-columns:34px 1fr;padding:21px 0;border-top:1px solid var(--line)}.steps li:before{counter-increment:steps;content:"0" counter(steps);grid-row:1/3;color:var(--accent);font-size:10px}.steps b{font-size:13px}.steps p{margin:7px 0 0;color:var(--muted);font:12px/1.6 Microsoft YaHei UI,sans-serif}.install details{grid-column:2;margin-top:25px;border:1px solid var(--ink)}.install summary{padding:15px;cursor:pointer;font-size:11px;font-weight:900}.install pre{margin:0;padding:22px;border-top:1px solid var(--ink);background:var(--ink);color:#c9f4d3;overflow:auto;font-size:11px;line-height:1.8}.faq{border-top:1px solid var(--ink)}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 50px}.faq details{border-top:1px solid var(--line)}.faq summary{padding:24px 0;cursor:pointer;font-size:13px;font-weight:900}.faq details p{margin:0 0 25px;color:var(--muted);font:13px/1.7 Microsoft YaHei UI,sans-serif}footer{min-height:110px;display:flex;align-items:center;gap:35px;border-top:1px solid var(--ink);font-size:9px}footer>p{margin-right:auto;color:var(--muted)}footer>div{display:flex;gap:22px}.reveal{opacity:0;transform:translateY(24px)}@media(prefers-reduced-motion:no-preference){.hero-art img{animation:hero-breathe 6.4s cubic-bezier(.45,0,.25,1) infinite alternate}.echo{animation:echo-shift 3.2s steps(2,end) infinite}.echo-two{animation-delay:-1.4s}.trace-screen.flash pre{animation:log-in .26s steps(3,end)}.reveal{transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}@keyframes hero-breathe{to{transform:rotate(2deg) scale(1.09)}}@keyframes echo-shift{50%{transform:translate(13px,-5px) skew(-7deg)}}@keyframes log-in{50%{transform:translate(7px)}}}@media(max-width:900px){.wrap{width:min(100% - 36px,720px)}.site-nav nav{gap:16px}.site-nav nav>a:nth-child(-n+3){display:none}.lang-label{display:none}.hero{min-height:880px;align-items:flex-start;padding-top:90px}.hero-copy{width:100%}.hero h1{font-size:clamp(52px,14vw,90px)}.hero-art{top:47%;right:-8%;width:110%;height:47%}.lede{font-size:14px}.proof-track{overflow-x:auto}.proof-note{display:none}.continuity,.library-grid,.install{grid-template-columns:1fr}.trajectory{margin-top:45px}.section-head{display:block}.section-head .signal{margin-bottom:18px}.section-head>p:last-child{margin-top:24px}.feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:40px;padding-block:65px}.feature-row.reverse .feature-copy,.feature-row.reverse .product-shot{grid-column:1}.feature-row.reverse .product-shot{grid-row:2}.product-shot{box-shadow:8px 8px 0 var(--ink)}.install details{grid-column:1}.faq-grid{grid-template-columns:1fr}.pixel-canvas{min-height:470px}footer{align-items:flex-start;flex-direction:column;padding-block:30px;gap:16px}footer>p{margin:0}footer>div{flex-wrap:wrap}}@media(max-width:520px){.wrap{width:calc(100% - 30px)}.site-nav{height:68px}.site-nav nav>a[href="#install"]{display:none}.hero{min-height:780px;padding-top:60px}.hero h1{font-size:15.8vw;line-height:.84}.lede{margin-top:30px}.actions{align-items:flex-start;flex-direction:column;gap:18px}.hero-art{top:48%;height:43%}.continuity{padding-top:90px}.trajectory{grid-template-columns:1fr}.trace-step{grid-template-columns:30px 1fr;border-right:0}.trace-step:nth-child(3){border-bottom:1px solid var(--ink)}.trace-screen{grid-column:1;grid-row:auto;min-height:270px}.trace-screen pre{margin-top:32px}.chapter{padding-block:90px}.section-head{margin-bottom:55px}.chapter-copy h2,.section-head h2{font-size:36px}.product-shot figcaption{display:none}.feature-copy h3{font-size:29px}.pixel-canvas{min-height:430px}.note-card{width:52%;left:5%}.link-card{width:50%;right:5%}.session-card{width:64%;left:17%}}@media(max-width:900px){.hero-art{right:0;width:100%}}@media(forced-colors:active){.button,.trajectory,.product-shot,.video-shell{border:2px solid CanvasText}.hero h1 .outline{color:CanvasText;-webkit-text-stroke:0}.trace-step.active{outline:2px solid CanvasText}}.hero-status{z-index:1}.overview{padding-block:72px}.overview .section-head{max-width:100%;margin-bottom:40px}.overview h2{max-width:22ch;font-size:clamp(32px,3.5vw,60px)}.overview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px}.overview-grid h3{font-size:23px;line-height:1.25;letter-spacing:-.6px;margin:16px 0 12px}.overview-grid p{font-size:16px;line-height:1.65;color:var(--muted, #59635c);margin:0}.hero{min-height:min(760px,calc(100vh - 90px))}.demo.chapter{padding-block:64px}@media(max-width:1100px){.overview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}}@media(max-width:600px){.overview-grid{grid-template-columns:1fr;gap:28px}.overview{padding-block:48px}.hero{min-height:0}}@media(max-width:900px){.hero{display:block;min-height:0;padding-top:60px;padding-bottom:28px}.hero-art{position:relative;top:auto;right:auto;width:100%;height:clamp(240px,60vw,450px);margin-top:28px}}.cite{border-top:1px solid var(--ink)}.cite-block{max-width:72ch;margin:0;font:16px/1.75 Microsoft YaHei UI,sans-serif;color:var(--ink)}.film-chapters{display:grid;grid-template-columns:repeat(6,1fr);gap:0;margin:38px 0 0;padding:0;border-block:1px solid #425048;list-style:none}.film-chapters li{display:grid;gap:8px;padding:17px 14px;border-right:1px solid #425048;border-bottom:1px solid #425048;font-size:10px}.film-chapters li:nth-child(6n){border-right:0}.film-chapters li:nth-last-child(-n+6){border-bottom:0}.film-chapters b{color:#83b99a;font-size:9px}.film-chapters span{color:#d9e3dc}.product-shot img[src$=".gif"]{object-fit:contain;object-position:center;background:#f2f5ef}@media(max-width:900px){.film-chapters{grid-template-columns:repeat(3,1fr)}.film-chapters li:nth-child(6n){border-right:1px solid #425048}.film-chapters li:nth-child(3n){border-right:0}.film-chapters li:nth-last-child(-n+6){border-bottom:1px solid #425048}.film-chapters li:nth-last-child(-n+3){border-bottom:0}}