@charset "UTF-8";
:root{--paper:#fcfcfb;--white:#fff;--ink:#263b45;--muted:#63747c;--line:#dce5e8;--wash:#f1f5f6;--accent:#345d71;--button:#e7f0f3;--serif:Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;--ease:cubic-bezier(.22,.61,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:5px}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid #47758c;outline-offset:5px}img{display:block;max-width:100%;height:auto}svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,p,figure{margin:0}h1,h2{font:400 54px/1.08 var(--serif);letter-spacing:-.04em}h3{font-size:22px;font-weight:500;letter-spacing:-.02em;line-height:1.35}p{color:var(--muted)}p+p{margin-top:16px}h3+p{margin-top:15px}[hidden]{display:none!important}.wrap{width:min(1120px,calc(100% - 80px));margin-inline:auto}.wide{width:min(1440px,calc(100% - 64px));margin-inline:auto}.section{padding-block:110px}.eyebrow{font-size:12px;letter-spacing:.075em;line-height:1.5;margin-bottom:22px}.section-heading>p:last-child{margin-top:22px}.section-heading h2{font-size:clamp(44px,4.6vw,64px)}.skip{position:fixed;top:8px;left:12px;z-index:99;transform:translateY(-160%);background:white;padding:8px 18px}.skip:focus{transform:none}
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.nav{min-height:76px;display:flex;gap:30px;align-items:center;justify-content:space-between}.wordmark{font:32px/1 var(--serif);letter-spacing:-1.5px;text-decoration:none;display:inline-flex;gap:12px;align-items:baseline}.version{font:12px/1 var(--sans);letter-spacing:0;color:var(--muted)}.nav-links{display:flex;gap:32px;align-items:center;font-size:14px}.nav-links a{text-decoration:none}.nav-links a:hover{color:var(--accent);text-decoration:underline}.nav-download{padding-left:28px;border-left:1px solid var(--line)}.nav-download span{margin-left:8px}
.hero{display:grid;grid-template-columns:minmax(285px,.85fr) minmax(0,2fr);gap:46px;align-items:center;min-height:640px;padding-block:64px 82px}.hero h1{font-size:clamp(46px,4.3vw,66px);line-height:1.09}.hero h1 em{color:var(--accent);font-weight:400}.hero .eyebrow{font-size:11px;letter-spacing:.04em;margin-bottom:24px}.intro{max-width:330px;margin-top:25px;font-size:17px;line-height:1.7}.actions{display:flex;gap:20px;flex-wrap:wrap;align-items:center}.hero .actions{align-items:flex-start;flex-direction:column;gap:17px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;gap:25px;padding:11px 20px;border:1px solid #c7d8df;border-radius:7px;background:white;font-size:14px;font-weight:500;text-decoration:none;transition:background 180ms,border-color 180ms}.button.primary{background:var(--button);color:#294f62}.button:hover{background:#dcebf1;border-color:#abc2cd}.text-link{font-size:14px;text-decoration:none;background:none;border:0;padding:0}.text-link:hover{text-decoration:underline}.text-link span{margin-left:8px}.platform{font-size:11px;margin-top:23px}.hero-figure{min-width:0}.image-open{position:relative;display:block;border:1px solid var(--line);padding:0;overflow:hidden;background:white;border-radius:8px;width:100%;text-align:left;box-shadow:0 18px 45px -34px #48616e55}.image-open img{width:100%}.expand-label{position:absolute;right:10px;bottom:10px;display:flex;gap:7px;align-items:center;padding:7px 9px;border:1px solid var(--line);border-radius:4px;background:#fffffff2;font:11px/1.3 var(--sans);opacity:0;transition:opacity 180ms;pointer-events:none}.expand-label svg{width:15px;height:15px}.image-open:hover .expand-label,.image-open:focus-visible .expand-label{opacity:1}figcaption{display:flex;gap:15px;justify-content:space-between;margin-top:17px;font-size:12px;line-height:1.5;color:var(--muted)}figcaption span{font-size:11px;color:#7a8990}.hero-figure figcaption{flex-wrap:wrap;gap:5px}
.writing{border-top:1px solid var(--line)}.split-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:100px;align-items:end}.split-heading>p:last-child{max-width:410px;padding-bottom:3px}.reading-figure{margin-top:45px}.reading-detail{box-shadow:none}.writing-points{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:54px}.point-index{font:12px/1.5 var(--sans);color:#80929b;display:block;margin-bottom:16px}.writing-points h3{font-size:20px}.writing-points p{font-size:15px;line-height:1.7}
.visual{background:var(--wash)}.visual .section-heading{max-width:780px}.visual .section-heading>p{font-size:17px;margin-top:20px}.slides-showcase{margin-top:40px}.slides-stage .image-open{box-shadow:none}.slides-showcase figcaption{display:flex;justify-content:flex-end;align-items:center;margin-top:10px;font-size:13px}.slides-showcase figcaption>span{font-size:13px;color:var(--muted)}.demo-toggle{color:var(--accent);white-space:nowrap;min-height:40px}.demo-toggle span{display:inline}.visual-points{display:grid;grid-template-columns:repeat(3,1fr);gap:44px;margin-top:38px;border-top:1px solid #d4e0e4;padding-top:28px}.visual-points h3{font-size:20px}.visual-points p{font-size:15px;margin-top:10px}
.continuity{display:grid;grid-template-columns:repeat(3,1fr);gap:44px;padding-block:56px}.continuity h3{font-size:20px}.continuity p{font-size:14px;line-height:1.7;margin-top:10px}
.start{background:#f2f6f7}.download-top{display:flex;align-items:center;justify-content:space-between;gap:65px}.download-top h2{font-size:61px}.download-top>div>p:last-child{font-size:15px;margin-top:24px}.download-options{flex-shrink:0}.download-options .button{width:100%;font-size:15px}.download-meta{font-size:11px!important;margin-top:15px;text-align:center}.download-links{font-size:12px;display:flex;justify-content:center;gap:11px;margin-top:21px}.download-links a{text-decoration:none}.download-links a:hover{text-decoration:underline}.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin:65px 0 0;border-top:1px solid var(--line);padding-top:35px}.step-index{display:block;font:24px/1 var(--serif);color:#6d8996;margin-bottom:18px}.steps h3{font-size:20px}.steps p{font-size:15px}.sample-link{margin-top:32px;font-size:13px}.sample-link a{margin-left:16px;color:var(--accent)}
.faq{padding-block:95px;display:grid;grid-template-columns:1fr 1.4fr;gap:70px}.faq>h2{font:34px/1.2 var(--serif);max-width:270px;letter-spacing:-.02em}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{position:relative;cursor:pointer;font-size:15px;font-weight:500;list-style:none;padding:18px 28px 18px 0}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:0;font-size:20px;line-height:1.3;font-weight:300}.faq details[open] summary:after{content:'−'}.faq details p{font-size:14px;padding-bottom:20px}.site-footer{border-top:1px solid var(--line);padding-block:40px;display:grid;grid-template-columns:1fr auto;gap:25px}.site-footer .wordmark{font-size:28px}.site-footer p{font-size:12px;margin-top:12px}.footer-links{display:flex;gap:26px;font-size:12px}.footer-links a{text-decoration:none}.footer-links a:hover{text-decoration:underline}.site-footer .credits{grid-column:1/-1;font-size:10px;line-height:1.7;color:#7b8990;margin-top:0}
.image-dialog{width:min(96vw,1680px);height:min(94vh,1200px);max-width:96vw;max-height:94vh;padding:0;border:1px solid var(--line);border-radius:9px;background:white;color:var(--ink);box-shadow:0 12px 80px #172e4055;overflow:hidden}.image-dialog[open]{display:flex;flex-direction:column}.image-dialog::backdrop{background:#253944ad}.viewer-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:62px;padding:12px 18px;border-bottom:1px solid var(--line);flex-shrink:0}.viewer-toolbar p{font-size:14px;line-height:1.4;color:var(--ink)}.viewer-toolbar>div{display:flex;gap:8px;flex-shrink:0}.viewer-toolbar button{border:1px solid var(--line);border-radius:5px;background:white;font-size:13px;padding:7px 11px;white-space:nowrap}.viewer-toolbar button:hover,.viewer-toolbar button[aria-pressed=true]{background:var(--wash)}.viewer-scroll{overflow:auto;flex:1;min-height:0;padding:20px;background:var(--wash);overscroll-behavior:contain}.viewer-scroll img{margin:auto;object-fit:contain;max-height:100%;max-width:100%;width:auto}.viewer-scroll.original img{max-width:none;max-height:none;width:auto;min-width:0;margin:0}body:has(.image-dialog[open]){overflow:hidden}
.release-page{max-width:800px;padding-block:75px 90px}.release-page h1{font-size:64px;margin-bottom:28px}.release-page h2{font-size:35px;margin:52px 0 22px}.release-page h3{margin:24px 0 12px}.release-page p{margin-bottom:18px}.release-page ul{padding-left:22px;color:var(--muted)}.release-page li+li{margin-top:10px}.release-page code{font:14px/1.6 Consolas,monospace;color:var(--ink)}.hash{overflow-wrap:anywhere;background:var(--wash);padding:16px;border:1px solid var(--line)}.hash code{font-size:12px}.release-intro{font-size:21px;line-height:1.55}.release-downloads{display:grid;grid-template-columns:max-content 1fr;align-items:center;gap:14px 22px;margin:26px 0}.release-downloads>span{font-size:13px;color:var(--muted)}.release-steps{color:var(--muted);padding-left:24px}.return-link{margin-top:56px!important}
@media(min-width:1450px){.hero{gap:75px;padding-block:85px 105px}.hero-copy{padding-left:35px}.hero-figure figcaption{padding-inline:6px}}
@media(max-width:1100px){.hero{grid-template-columns:1fr;gap:42px;padding-block:58px 65px}.hero-copy{display:grid;grid-template-columns:1fr 1fr;gap:0 45px;align-items:center;width:min(880px,100%);margin:auto}.hero .eyebrow{grid-column:1/-1;margin-bottom:18px}.hero h1{grid-row:2/5;font-size:59px}.intro{margin-top:0;max-width:none}.hero .actions{margin-top:21px;gap:13px}.hero .platform{grid-column:2;margin-top:16px}.hero-figure{width:min(880px,100%);margin:auto}.split-heading{gap:65px}.download-top{gap:40px}.download-top h2{font-size:50px}}
@media(max-width:800px){.wrap{width:calc(100% - 48px)}.wide{width:calc(100% - 32px)}.nav{min-height:72px}.nav-links{gap:22px}.nav-download{padding-left:22px}.section{padding-block:80px}.hero{padding-top:45px;gap:34px}.hero h1{font-size:50px}.hero-copy{gap:0 30px}.intro{font-size:15px}.hero .button{font-size:13px;gap:16px;padding-inline:14px}.hero .text-link{font-size:13px}.hero .platform{font-size:10px}.hero-figure figcaption{display:block}.hero-figure figcaption span{display:block;margin-top:5px}.split-heading{gap:35px}.split-heading>p:last-child{font-size:16px}.writing-points{gap:25px;margin-top:40px}.writing-points h3{font-size:18px}.writing-points p{font-size:14px}.continuity{gap:28px;padding-block:44px}.download-top{display:block}.download-options{margin-top:32px;max-width:290px}.steps{gap:30px;margin-top:45px}.faq{grid-template-columns:1fr;gap:30px;padding-block:75px}.faq>h2{max-width:none}.expand-label{opacity:1}}
@media(max-width:560px){body{font-size:16px}.wrap{width:calc(100% - 40px)}.wide{width:calc(100% - 24px)}.nav{min-height:70px;gap:15px}.wordmark{font-size:27px;gap:8px}.version{font-size:10px}.nav-links{gap:18px;font-size:12px}.nav-links>a:first-child{display:none}.nav-download{border:0;padding:0}.hero{padding:38px 0 52px;gap:32px}.hero-copy{display:block;padding-inline:8px}.hero h1{font-size:50px;max-width:350px}.hero .eyebrow{font-size:10px;margin-bottom:18px}.intro{margin-top:20px;font-size:16px;max-width:350px}.hero .actions{flex-direction:row;align-items:center;gap:18px;margin-top:24px}.hero .platform{margin-top:18px;font-size:11px}.hero .button{font-size:13px}.hero .text-link{font-size:12px}.image-open{border-radius:5px}figcaption{display:block;margin:12px 4px 0;font-size:11px}figcaption span{display:block;font-size:10px;margin-top:5px}.expand-label{font-size:0;padding:6px;gap:0}.expand-label svg{width:14px;height:14px}.section{padding-block:64px}.section-heading h2{font-size:43px}.eyebrow{font-size:10px;margin-bottom:17px}.split-heading{display:block}.split-heading>p:last-child{margin-top:25px}.reading-figure{margin-top:30px}.reading-figure figcaption span{max-width:230px}.writing-points{display:block;margin-top:34px}.writing-points article{position:relative;border-top:1px solid var(--line);padding:23px 0 23px 35px}.point-index{position:absolute;left:0;top:28px;font-size:10px}.writing-points h3{font-size:20px}.writing-points p{font-size:15px;margin-top:10px}.visual>.section-heading{text-align:left}.section-heading>p:last-child{font-size:16px}.download-top h2{font-size:46px}.download-top>div>p:last-child{font-size:14px;margin-top:21px}.download-options{max-width:none;margin-top:29px}.download-options .button{width:auto}.download-meta,.download-links{text-align:left;justify-content:flex-start}.steps{display:block;margin-top:35px;padding-top:0}.steps li{padding:24px 0 24px 35px;position:relative;border-bottom:1px solid var(--line)}.step-index{position:absolute;left:0;top:27px;font-size:23px}.steps p{margin-top:10px}.sample-link{font-size:12px;line-height:2}.sample-link a{display:inline-block;margin-left:0;margin-right:12px}.faq{padding-block:60px}.faq>h2{font-size:30px}.faq summary{font-size:14px}.faq details p{font-size:14px}.site-footer{display:block;padding-block:30px}.footer-links{flex-wrap:wrap;margin-top:24px;gap:22px}.site-footer .credits{margin-top:24px}.image-dialog{height:92vh;max-height:92vh;border-radius:6px}.viewer-toolbar{align-items:flex-start;flex-direction:column;gap:11px;padding:13px}.viewer-toolbar p{font-size:12px}.viewer-toolbar>div{width:100%;justify-content:space-between}.viewer-scroll{padding:8px}.release-page{padding-top:50px}.release-page h1{font-size:48px}.release-page h2{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.nav-links a{white-space:nowrap}
@media(max-width:360px){.nav-links>a:nth-child(2){display:none}}


.image-open{cursor:zoom-in}
.scroll-story{display:block;position:relative;isolation:isolate;min-height:0;padding-top:52px}
.scroll-story .hero-copy{display:block;width:min(760px,100%);margin-inline:auto;text-align:center;padding-inline:0}
.scroll-story h1{font-size:clamp(54px,5.8vw,78px)}
.scroll-story .intro{font-size:18px;max-width:520px;margin:22px auto 0}
.scroll-story .hero-figure{position:relative;z-index:1;width:min(1120px,100%);margin:54px auto 0}
.scroll-story .hero-actions{position:relative;z-index:2;text-align:center;margin:30px auto 0;background:var(--paper);padding-top:4px}
.scroll-story .hero-actions .actions{justify-content:center;align-items:center;flex-direction:row;margin:0;gap:25px}
.scroll-story .hero-actions .platform{margin-top:18px}
@media(min-width:760px) and (min-height:620px) and (prefers-reduced-motion:no-preference){
  .scroll-story{padding-top:64px}
  .scroll-story .hero-copy{position:sticky;top:140px;z-index:0}
  .scroll-story .hero-figure{margin-top:64px}
}
html.motion-off .scroll-story .hero-copy{position:static}
.scroll-story .hero-front{position:relative;z-index:1;background:var(--paper);margin-top:54px}
.scroll-story .hero-front .hero-figure{margin-top:0}
@media(max-width:759px){
  .scroll-story{padding-top:42px}
  .scroll-story .hero-copy{text-align:left;padding-inline:8px}
  .scroll-story h1{font-size:clamp(46px,8vw,64px)}
  .scroll-story .intro{font-size:16px;margin:21px 0 0;max-width:460px}
  .scroll-story .hero-figure{margin-top:32px}
  .scroll-story .hero-actions{text-align:left;padding-inline:8px}
  .scroll-story .hero-actions .actions{justify-content:flex-start;gap:18px}
}

html.motion-off{scroll-behavior:auto}

@media(max-width:800px){.visual-points{gap:24px}.visual-points h3,.continuity h3{font-size:18px}.visual-points p{font-size:14px}}
@media(max-width:560px){.visual .section-heading>p{font-size:15px}.slides-showcase{margin-top:28px}.slides-showcase figcaption{gap:12px}.slides-showcase figcaption>span{font-size:11px}.demo-toggle{font-size:12px}.visual-points{grid-template-columns:1fr;gap:24px;margin-top:24px;padding-top:24px}.visual-points h3{font-size:20px}.visual-points p{margin-top:6px}.continuity{grid-template-columns:1fr;gap:24px;padding-block:36px}.continuity p{margin-top:6px}}

/* One uncropped native frame and one quiet playback control. */
.native-demo video{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.native-demo figcaption{display:flex;align-items:center;flex-wrap:wrap;margin-top:12px;gap:8px 20px;font-size:13px}
.native-demo figcaption>span:first-child{display:inline;margin-top:0;color:var(--muted);font-size:13px}
.native-demo .demo-toggle{margin-left:auto;min-height:36px;font-size:13px}
.native-demo .demo-status:empty{display:none}
.native-demo .demo-status{flex-basis:100%;font-size:13px;color:var(--ink)}
@media(max-width:560px){.native-demo figcaption{display:flex;align-items:center;gap:4px 12px}.native-demo figcaption>span:first-child{font-size:11px;max-width:70%;margin:0}.native-demo .demo-toggle{font-size:12px}.native-demo video{border-radius:4px}}

.native-demo figcaption .demo-toggle span{display:inline;margin:0 0 0 6px}

.native-demo figcaption{display:grid;grid-template-columns:minmax(0,1fr) auto;justify-content:stretch}.native-demo figcaption>span:first-child{max-width:none}.native-demo .demo-status{grid-column:1/-1}

/* Focus gets its own full-width, quiet demonstration. */
.focus-showcase{border-top:1px solid var(--line)}
.focus-showcase .section-heading>p{margin-top:20px}
.writing-points{grid-template-columns:repeat(2,minmax(0,1fr))}