*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px;color-scheme:dark}body{margin:0;background:#090909;color:#f2f2f2;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}::selection{background:#ddd;color:#111}a{color:inherit;text-decoration:none;text-underline-offset:5px}button{font:inherit}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid #eee;outline-offset:6px}img{display:block;max-width:100%;height:auto}header{position:sticky;top:0;z-index:10;background:#090909f5;border-bottom:1px solid #ffffff12}.wrap,.nav{max-width:1136px;margin:auto;padding:0 28px}.nav{height:68px;display:flex;gap:36px;align-items:center}.brand{font-size:17px;font-weight:620;letter-spacing:-.5px;white-space:nowrap}.brand span,.lite-label{font-size:10px;letter-spacing:1px;border:1px solid #555;border-radius:4px;padding:3px 5px;margin-left:6px;vertical-align:middle}nav{display:flex;gap:28px;margin-left:auto;font-size:13px;color:#999}nav [aria-current]{color:#eee}.button{display:inline-flex;align-items:center;gap:20px;justify-content:center;border:1px solid #ffffff28;background:#151515;border-radius:7px;padding:12px 18px;font-size:13px;font-weight:550;transition:background .2s,transform .2s}.button:hover{background:#252525;transform:translateY(-1px)}.button.primary{background:#ededed;color:#111;border-color:#ededed}.button.primary:hover{background:white}.button.small{padding:8px 13px;font-size:12px}.hero{padding-top:92px;padding-bottom:35px}.hero h1{font-size:clamp(44px,5vw,66px);font-weight:570;letter-spacing:-.035em;line-height:1.17;margin:0 0 30px;max-width:950px}.hero-bottom{display:flex;align-items:end;justify-content:space-between;gap:30px}.hero p{font-size:17px;line-height:1.8;color:#ddd;margin:0}.hero p strong{font-weight:400;color:#999}.actions{display:flex;gap:24px;align-items:center;padding-bottom:6px;flex-shrink:0}.quiet{color:#b3b3b3;font-size:13px}.quiet span{margin-left:8px}.hero-stage{height:620px;max-width:1450px;margin:0 auto;position:relative;overflow:hidden;perspective:1600px}.stage-light{position:absolute;left:14%;right:10%;height:200px;top:75px;background:radial-gradient(ellipse at 50% 100%,#ffffff0d,transparent 65%)}.screen{position:absolute;width:1120px;left:50%;top:70px;transform:translateX(-48%) rotateX(18deg) rotateY(-13deg) rotateZ(3deg);transform-origin:center 10%;border:1px solid #ffffff30;border-radius:12px;overflow:hidden;box-shadow:0 40px 80px #0008;animation:arrive 1.3s cubic-bezier(.16,1,.3,1) both}.screen img{width:100%}.hero-stage:after{content:"";pointer-events:none;position:absolute;inset:0;background:linear-gradient(0deg,#090909 0%,#090909e0 8%,transparent 43%),linear-gradient(90deg,#090909 0%,transparent 15%,transparent 88%,#090909 100%)}.stage-caption{position:absolute;bottom:23px;left:max(28px,calc((100% - 1080px)/2));right:max(28px,calc((100% - 1080px)/2));display:flex;justify-content:space-between;z-index:2;color:#888;font-size:11px}.intro{display:grid;grid-template-columns:1fr 1fr;gap:100px;padding-top:92px;padding-bottom:65px}.intro h2,.section-heading h2{font-size:44px;line-height:1.22;font-weight:550;letter-spacing:-.035em;margin:0}.intro p,.section-heading p{font-size:16px;color:#999;line-height:1.85;margin:0}.intro p strong{font-weight:400;color:#ddd}.textlink{font-size:13px;display:inline-flex;gap:22px;align-items:center;margin-top:23px;color:#ddd}.textlink:hover{color:white}.textlink span{transition:transform .2s}.textlink:hover span{transform:translate(2px,-2px)}.showcase{margin-bottom:115px}.tabs{display:flex;border-bottom:1px solid #ffffff15;gap:32px}.tabs button{border:0;background:none;color:#888;padding:18px 0;font-size:14px;cursor:pointer;position:relative}.tabs button[aria-selected=true]{color:#f4f4f4}.tabs button[aria-selected=true]:after{content:"";height:2px;background:#ddd;position:absolute;bottom:-1px;left:0;right:0}.panel{height:410px;display:grid;grid-template-columns:38% 62%;background:#0d0d0d;overflow:hidden;border-bottom:1px solid #ffffff12}.panel[hidden]{display:none}.panel-copy{padding:57px 32px 30px 0;position:relative;z-index:2;background:linear-gradient(90deg,#0d0d0d 90%,transparent)}.panel-copy h3{font-size:27px;font-weight:530;line-height:1.4;letter-spacing:-.03em;margin:0 0 18px}.panel-copy p{color:#aaa;font-size:14px;line-height:1.9;max-width:310px}.crop{position:relative;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 12%,#000 90%,transparent)}.crop img{max-width:none;position:absolute;width:1320px;top:-8px;left:-60px}.ai-crop img{width:1000px;left:auto;right:-6px;top:5px}.showcase-foot{display:flex;justify-content:space-between;color:#888;font-size:12px;padding:20px 0}.showcase-foot a{color:#bbb}.data-art{position:relative;padding:50px 40px;text-align:center;overflow:hidden}.source-row{display:flex;justify-content:space-around;gap:18px}.source-row span{background:#151515;border:1px solid #ffffff19;border-radius:7px;padding:12px 20px;font-size:13px;color:#bbb}.data-lines{height:55px;width:73%;margin:auto;border-left:1px solid #555;border-right:1px solid #555;border-bottom:1px solid #555;border-radius:0 0 18px 18px}.research-node{background:#1b1b1b;position:relative;display:inline-block;padding:13px 30px;border:1px solid #666;border-radius:8px;margin-top:-1px;font-size:14px}.output-line{height:35px;width:1px;background:#555;margin:auto}.output-node{font-size:13px;color:#bbb}.output-node i{color:#555;margin:0 10px;font-style:normal}.data-art small{display:block;color:#888;margin-top:25px;font-size:10px}.foundation{padding-top:20px;border-top:1px solid #ffffff13;padding-bottom:85px}.section-heading{display:flex;justify-content:space-between;gap:60px;align-items:end;padding:68px 0 0}.section-heading h2 span{color:#999}.section-heading p{font-size:14px;max-width:435px;padding-bottom:3px}.system{position:relative;height:420px;margin-top:35px;background:radial-gradient(ellipse at center,#ffffff04,transparent 55%)}.system svg{position:absolute;width:100%;height:100%;inset:0;fill:none;stroke:#3a3a3a;stroke-width:1}.system .signal{stroke:#bbb;stroke-dasharray:35 650;stroke-dashoffset:690;animation:signal 8s linear infinite}.node{position:absolute;left:6%;width:21%;top:13%;background:linear-gradient(140deg,#171717,#101010);border:1px solid #ffffff14;border-radius:12px;padding:22px 18px}.node b{display:block;font-size:16px;font-weight:500}.node span{display:block;margin-top:8px;color:#999;font-size:12px}.n2{top:auto;bottom:13%}.n3{left:auto;right:6%}.n4{left:auto;right:6%;top:auto;bottom:13%}.core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:154px;height:154px;border-radius:23px;background:linear-gradient(145deg,#292929,#141414);box-shadow:0 25px 40px #0008;display:flex;align-items:center;justify-content:center;flex-direction:column}.core span{font-size:14px;color:#ccc}.core b{font-size:34px;font-weight:550;letter-spacing:2px;margin:6px 0 10px}.core small{font-size:9px;color:#999;letter-spacing:1px}.system-caption{position:absolute;bottom:0;left:0;right:0;text-align:center;color:#888;font-size:11px}.foundation-links{display:flex;justify-content:center;gap:45px}.ai-feature{border-top:1px solid #ffffff13;padding-bottom:95px}.ai-wide{height:470px;position:relative;overflow:hidden;margin-top:44px;mask-image:linear-gradient(180deg,#000 75%,transparent)}.ai-wide>img{width:100%;opacity:.85}.ai-overlay{position:absolute;inset:auto 0 0;padding:95px 40px 65px;background:linear-gradient(transparent,#090909 60%);display:flex;align-items:center;justify-content:space-between}.ai-overlay>span{font-size:25px;letter-spacing:-.02em}.compare{border-top:1px solid #ffffff13;padding-bottom:80px}.compare-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:48px;gap:70px}.compare-grid article{border-top:1px solid #ffffff24;padding:25px 0}.compare h3{font-size:23px;font-weight:500;margin:0 0 18px}.compare-grid p{color:#aaa;font-size:14px;line-height:1.9;max-width:400px}.compare-note{font-size:12px;color:#888}.closing{border-top:1px solid #ffffff13;padding-top:65px;padding-bottom:70px;display:flex;justify-content:space-between;align-items:center;gap:25px}.closing h2{font-size:34px;font-weight:550;letter-spacing:-.03em}footer{display:flex;align-items:center;gap:25px;padding-top:28px!important;padding-bottom:40px!important;border-top:1px solid #ffffff13;color:#999;font-size:12px}footer>.brand{margin-right:auto;color:#ddd}footer a:hover{color:white}body{scrollbar-color:#444 #090909;scrollbar-width:thin}@keyframes arrive{from{opacity:.6;filter:blur(3px);transform:translateX(-48%) translateY(24px) rotateX(22deg) rotateY(-13deg) rotateZ(3deg)}to{opacity:1;filter:blur(0);transform:translateX(-48%) rotateX(18deg) rotateY(-13deg) rotateZ(3deg)}}@keyframes signal{to{stroke-dashoffset:0}}@media(max-width:900px){.hero-bottom{display:block}.actions{margin-top:24px}.hero-stage{height:480px}.screen{width:950px}.intro{gap:40px}.section-heading{align-items:start;gap:30px}.section-heading h2,.intro h2{font-size:37px}.section-heading p{max-width:330px}.panel-copy{padding-top:40px}.ai-wide{height:380px}}@media(max-width:600px){.wrap,.nav{padding-left:22px;padding-right:22px}.nav{gap:15px;height:60px}.brand{font-size:15px}nav{gap:17px}nav a:nth-child(n+3){display:none}.nav>.button{display:none}.hero{padding-top:54px}.hero h1{font-size:40px;line-height:1.22;margin-bottom:24px}.hero p{font-size:14px;line-height:1.9}.actions{gap:20px}.hero-stage{height:320px}.screen{width:650px;top:30px;transform:translateX(-49%) rotateX(12deg) rotateY(-10deg) rotateZ(3deg);animation:none}.stage-caption{font-size:10px;bottom:14px;left:22px;right:22px}.stage-caption span:last-child{display:none}.intro{grid-template-columns:1fr;gap:24px;padding-top:50px;padding-bottom:38px}.intro h2,.section-heading h2{font-size:33px}.intro p{font-size:15px}.tabs{gap:0;justify-content:space-between}.tabs button{font-size:12px;padding:17px 0}.panel{height:540px;grid-template-columns:1fr;grid-template-rows:240px 300px}.panel-copy{padding:26px 0;background:none}.panel-copy h3{font-size:25px}.panel-copy p{max-width:none;font-size:13px;margin:12px 0}.panel-copy .textlink{margin-top:8px}.crop img{width:950px;left:-48px;top:-10px}.ai-crop img{width:700px;left:auto;right:-3px}.showcase-foot{gap:20px;line-height:1.8;font-size:11px}.showcase-foot>span{max-width:150px}.showcase{margin-bottom:50px}.section-heading{display:block;padding-top:40px}.section-heading p{margin-top:23px;max-width:none}.system{height:350px;margin-top:25px}.node{width:29%;left:0;padding:15px 12px}.node span{font-size:10px;line-height:1.6}.node b{font-size:14px}.n3,.n4{left:auto;right:0}.core{width:104px;height:114px;border-radius:17px}.core span{font-size:11px}.core b{font-size:26px}.core small{font-size:7px}.foundation{padding-bottom:45px}.foundation-links{gap:25px}.foundation-links .textlink{font-size:12px;gap:12px}.data-art{padding:25px 0}.source-row span{padding:10px 15px}.ai-wide{height:280px;margin-top:28px;mask-image:none}.ai-wide>img{width:620px;max-width:none;position:absolute;right:0}.ai-overlay{padding:95px 0 0;gap:15px;align-items:end}.ai-overlay>span{font-size:16px;max-width:130px;line-height:1.6}.ai-overlay .button{font-size:11px;padding:10px 12px;gap:12px}.ai-feature{padding-bottom:45px}.compare-grid{grid-template-columns:1fr;gap:15px;margin-top:28px}.compare{padding-bottom:40px}.closing{display:block;padding-top:35px;padding-bottom:45px}.closing h2{font-size:28px;line-height:1.4}footer{flex-wrap:wrap;gap:20px}footer>.brand{width:100%}footer>span{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.screen,.system .signal{animation:none}.signal{display:none}*{transition:none!important}}
/* Current Linear homepage reference: broader, calmer product framing. */
.hero{padding-top:112px}.hero-stage{perspective:2200px}.screen{transform:translateX(-50%) rotateX(9deg) rotateY(-5deg) rotateZ(1deg);top:45px}
@keyframes arrive{from{opacity:.65;filter:blur(2px);transform:translateX(-50%) translateY(20px) rotateX(12deg) rotateY(-5deg) rotateZ(1deg)}to{opacity:1;filter:blur(0);transform:translateX(-50%) rotateX(9deg) rotateY(-5deg) rotateZ(1deg)}}
@media(max-width:600px){.hero{padding-top:54px}.screen{transform:translateX(-50%) rotateX(7deg) rotateY(-4deg);top:25px}}
@media(max-width:600px){.hero h1{font-size:32px}}

/* Detail pages share the homepage shell and monochrome design tokens. */
.detail-page .detail{max-width:960px;padding-top:65px;padding-bottom:50px}
.backlink{font-size:13px;color:#999;display:inline-block;margin-bottom:35px}
.backlink:hover{color:#fff}
.detail h1{font-size:55px;font-weight:570;line-height:1.2;letter-spacing:-.035em;margin:0 0 25px}
.detail .lead{font-size:18px;line-height:1.85;color:#aaa;max-width:740px;margin:0 0 48px}
.detail .shot{width:100%;border:1px solid #ffffff18;border-radius:12px;margin:0 0 55px}
.detail .section{border-top:1px solid #ffffff16;padding:42px 0}
.detail .section h2{font-size:28px;line-height:1.4;font-weight:550;letter-spacing:-.025em;margin:0 0 23px}
.detail .section h3{font-size:17px;font-weight:550;line-height:1.6;margin:30px 0 10px}
.detail .section p{font-size:15px;color:#aaa;line-height:1.95;max-width:740px;margin:13px 0}
.detail .scope h2{color:#f2f2f2}.detail .scope p:first-of-type{color:#ddd}
.detail .section .textlink{margin-top:0}.detail .actions{margin-top:15px;justify-content:flex-start}
.scope-summary{max-width:700px;margin:28px auto 0;color:#aaa;font-size:14px;line-height:1.9;text-align:center}
@media(max-width:600px){.detail-page .detail{padding-top:35px}.detail h1{font-size:34px}.detail .lead{font-size:16px;margin-bottom:32px}.detail .section{padding:30px 0}.detail .section h2{font-size:24px}.detail .section p{font-size:14px}.detail .actions{flex-wrap:wrap}.scope-summary{text-align:left;font-size:13px}.backlink{margin-bottom:25px}}

.detail-scope{color:#999;font-size:13px;line-height:1.9}.detail-scope a{color:#ddd}
@media(max-width:600px){.nav{height:auto;min-height:60px;flex-wrap:wrap;padding-top:14px;padding-bottom:12px;gap:12px}.nav nav{width:100%;margin-left:0;justify-content:space-between;gap:12px}.nav nav a:nth-child(n){display:inline}.nav>.button.small{display:inline-flex;margin-left:auto;order:-1}.nav>.brand{order:-2}}

.docs-prompt{margin:24px 0;padding:24px;background:#141414;border:1px solid #ffffff18;border-radius:12px;color:#ddd;font-size:15px;line-height:1.95}.docs-list{display:grid}.docs-list a{padding:19px 0;border-bottom:1px solid #ffffff14;display:flex;justify-content:space-between;gap:20px;font-size:14px}.docs-list a span:last-child{font-size:12px;color:#999}.docs-list a:hover{color:white}@media(max-width:600px){.docs-prompt{padding:18px;font-size:14px}}


.github-logo{display:inline-block;flex-shrink:0;vertical-align:-3px}a:has(>.github-logo){gap:8px}

/* Match the official SiteHeader, scoped to protect Lite content. */
.site-header {
  height: 72px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(5,5,5,.9);
  backdrop-filter: blur(18px);
}
.site-header .brand { display: flex; align-items: center; gap: 10px; font-weight: 760; letter-spacing: -.02em; }
.site-header .brand img { width: 28px; height: 28px; border-radius: 7px; }
.site-header nav { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 1.8vw, 30px); white-space: nowrap; font-size: 14px; font-weight: 620; color: #c7c8cc; }
.site-header nav a:hover { color: #fff; }
.site-header .header-action { justify-self: end; padding: 10px 17px; border-radius: 9px; background: #fff; color: #050505; font-size: 14px; font-weight: 760; }
.site-header .brand, .site-header .header-action { white-space: nowrap; }
.site-header nav > a { padding: 12px 0; }
.site-header a:focus-visible, .nav-resources summary:focus-visible { outline: 2px solid #7a9cff; outline-offset: 5px; border-radius: 4px; }
.nav-resources { position: relative; }
.nav-resources summary { display: flex; align-items: center; gap: 7px; padding: 12px 0; list-style: none; cursor: pointer; user-select: none; }
.nav-resources summary::-webkit-details-marker { display: none; }
.nav-resources summary:hover, .nav-resources[open] summary { color: #fff; }
.nav-chevron { transition: transform .15s ease; }
.nav-resources[open] .nav-chevron { transform: rotate(180deg); }
.resources-dropdown { position: absolute; top: calc(100% + 4px); right: -16px; width: 168px; padding: 8px; border: 1px solid #303238; border-radius: 12px; background: #111215; box-shadow: 0 16px 48px #0008; }
.site-header .resources-dropdown a { display: block; padding: 12px 16px; border-radius: 7px; line-height: 1.4; }
.site-header .resources-dropdown a:hover, .site-header .resources-dropdown a:focus-visible { background: #23252b; color: #fff; }
@media (max-width: 1150px) {
  .site-header { height: auto; grid-template-columns: 1fr auto; gap: 8px 20px; padding: 14px 24px 8px; }
  .site-header nav { grid-column: 1 / -1; grid-row: 2; justify-content: space-between; gap: 16px; }
  .site-header .header-action { grid-column: 2; grid-row: 1; }
}
@media (max-width: 640px) {
  .site-header { padding: 12px 16px 6px; }
  .site-header nav { display: grid; grid-template-columns: repeat(4, auto); gap: 0 12px; font-size: 12px; }
  .site-header nav > a, .nav-resources summary { padding: 10px 0; }
  .resources-dropdown { right: 0; }
}


.site-header{position:relative;top:auto;background:rgba(8,9,11,.94);border-bottom-color:#24262c;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.5;color:#f7f7f8}
.site-header .brand{font-size:16px}.site-header .brand span{font-size:inherit;font-weight:inherit;letter-spacing:inherit;border:0;padding:0;border-radius:0;margin:0}
.site-header nav{margin:0}.site-header nav a:nth-child(n){display:block}.site-header .header-action{border-radius:999px;padding-inline:22px}.site-header nav a[aria-current="page"]{color:#fff}
html{scroll-padding-top:170px}@media(max-width:800px){.site-header .brand span{font-size:15px}.site-header .header-action{padding-block:9px}}@media(max-width:640px){html{scroll-padding-top:265px}}