:root{--ink:#18221e;--green:#147d6f;--mint:#9ed0bd;--paper:#f3f1eb;--white:#fffefb;--line:#dcd9cf;--muted:#69716c;--serif:Georgia,"Songti SC","STSong",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}main{overflow:hidden}.site-header{position:fixed;z-index:20;top:0;left:0;display:flex;width:100%;height:78px;padding:0 clamp(28px,5vw,76px);align-items:center;justify-content:space-between;border-bottom:1px solid transparent;transition:.3s}.site-header.scrolled{height:66px;background:rgba(243,241,235,.88);border-color:rgba(24,34,30,.1);backdrop-filter:blur(18px)}.brand{display:flex;gap:10px;align-items:center}.brand-mark{display:grid;width:35px;height:35px;place-items:center;color:#15211d;background:var(--mint);border-radius:9px;font:700 19px var(--serif)}.brand strong{display:block;font:700 16px var(--serif);letter-spacing:.06em}.brand small{display:block;margin-top:2px;color:#78817c;font-size:8px;letter-spacing:.2em}.site-header nav{display:flex;gap:36px;font-size:12px}.site-header nav a{position:relative}.site-header nav a:after{position:absolute;bottom:-8px;left:0;width:0;height:1px;content:"";background:var(--green);transition:.2s}.site-header nav a:hover:after{width:100%}.header-download{padding:10px 17px;color:#f4f7f5;background:var(--ink);border-radius:8px;font-size:12px}.header-download span{margin-left:14px;color:var(--mint)}
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var(--serif)}.score-card sup{color:var(--green);font-size:10px}.score-card span{color:var(--green);font-size:6px}.score-card span i{display:inline-block;width:5px;height:5px;margin-right:4px;background:#55a387;border-radius:50%}.local-card{left:-26px;bottom:-28px;padding:12px 15px;gap:10px;align-items:center;border-radius:9px}.local-card>i{display:grid;width:27px;height:27px;place-items:center;color:var(--green);background:#e4f1ed;border-radius:7px;font-style:normal}.local-card strong,.local-card small{display:block;font-size:7px}.local-card small{margin-top:3px;color:#969b97;font-size:5px}
.statement{padding:145px 8vw;text-align:center;background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.statement p{margin:0 0 24px;color:var(--green);font-size:11px;font-weight:700;letter-spacing:.18em}.statement h2{margin:0;font:500 clamp(32px,4vw,58px)/1.45 var(--serif);letter-spacing:-.03em}.statement h2 em{color:var(--green);font-style:normal}.workflow{padding:130px max(7vw,60px)}.section-intro{display:grid;margin-bottom:80px;grid-template-columns:.55fr 1.1fr .8fr;gap:35px;align-items:end}.section-intro>span,.privacy-copy>span{color:var(--green);font-size:9px;font-weight:700;letter-spacing:.2em}.section-intro h2{margin:0;font:500 clamp(35px,4vw,54px)/1.1 var(--serif);letter-spacing:-.04em}.section-intro p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}.workflow-list{max-width:1280px;margin:auto}.workflow-item{display:grid;min-height:480px;padding:80px 0;grid-template-columns:80px minmax(300px,.75fr) minmax(430px,1.25fr);gap:45px;align-items:center;border-top:1px solid var(--line)}.workflow-item.reverse .workflow-copy{order:3}.workflow-item.reverse .demo-card{order:2}.number{align-self:start;color:#9aa09b;font:400 12px var(--serif)}.workflow-copy>small,.feature-grid article>small{color:var(--green);font-size:8px;font-weight:700;letter-spacing:.2em}.workflow-copy h3{margin:13px 0 20px;font:500 35px/1.25 var(--serif)}.workflow-copy p{max-width:430px;margin:0;color:var(--muted);font-size:13px;line-height:1.95}.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:26px}.tags span,.model-chips span{padding:6px 10px;color:#68716c;background:#e9e7df;border-radius:20px;font-size:8px}.demo-card{position:relative;min-height:330px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px rgba(32,39,35,.08)}.topic-demo{padding:26px}.demo-title{display:flex;margin-bottom:17px;align-items:center;justify-content:space-between}.demo-title span{color:var(--green);font-size:7px;font-weight:700;letter-spacing:.17em}.demo-title b{color:#a0a49f;font-size:7px;font-weight:400}.topic-row{display:flex;min-height:76px;padding:15px;gap:14px;align-items:center;border-bottom:1px solid #eeeae3}.topic-row>i{display:grid;width:37px;height:37px;flex:none;place-items:center;color:var(--green);background:#e5f1ed;border-radius:50%;font:500 14px var(--serif);font-style:normal}.topic-row span,.topic-row strong{display:block}.topic-row span{margin-bottom:6px;color:#8b928d;font-size:7px}.topic-row strong{font:500 12px var(--serif)}.topic-row.top{background:#f6faf8;border:1px solid #c6ddd4;border-radius:8px}.topic-row.dim{opacity:.5}.writing-demo{padding:40px 45px;background:#fffefb}.paper-meta{color:var(--green);font-size:7px;letter-spacing:.13em}.writing-demo h4{margin:24px 0 19px;font:500 24px/1.4 var(--serif)}.writing-demo p{color:#626a65;font:11px/2 var(--serif)}.writing-demo blockquote{margin:20px 0;padding:10px 15px;color:var(--green);background:#edf5f1;border-left:2px solid var(--green);font:500 11px var(--serif)}.typing-line{display:flex;gap:5px;align-items:center}.typing-line span{width:60%;height:4px;background:#dcddd8}.typing-line i{width:1px;height:14px;background:var(--green);animation:blink 1s infinite}.visual-demo{padding:14px;background:#fdfcf8}.visual-image{position:relative;height:230px;overflow:hidden;background:linear-gradient(#cce1d8,#e8dfc7);border-radius:9px}.visual-image .sun{position:absolute;right:20%;top:17%;width:48px;height:48px;background:#f4d89d;border-radius:50%;filter:blur(1px)}.hill{position:absolute;bottom:-80px;border-radius:50% 50% 0 0}.hill.one{left:-10%;width:75%;height:210px;background:#719582;transform:rotate(8deg)}.hill.two{right:-12%;width:78%;height:185px;background:#345d4f;transform:rotate(-8deg)}.visual-image>span{position:absolute;bottom:12px;left:14px;padding:6px 8px;color:#fff;background:rgba(18,31,26,.55);border-radius:4px;font-size:7px;backdrop-filter:blur(5px)}.visual-tools{display:flex;padding:17px 7px 3px;align-items:center;justify-content:space-between}.visual-tools>div{display:flex;gap:8px;align-items:center}.visual-tools i{display:grid;width:24px;height:24px;place-items:center;color:#fff;background:var(--green);border-radius:50%;font-size:8px;font-style:normal}.visual-tools b,.visual-tools small{display:block;font-size:8px}.visual-tools small{margin-top:3px;color:#999f9b;font-size:6px}.visual-tools button{padding:8px 10px;color:#fff;background:var(--ink);border:0;border-radius:5px;font-size:6px}
.features{padding:130px max(7vw,60px);color:#eef3ef;background:#17231f}.section-intro.light{display:block}.section-intro.light span{color:var(--mint)}.section-intro.light h2{margin-top:16px}.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;max-width:1250px;margin:auto}.feature-grid article{position:relative;min-height:330px;padding:40px;overflow:hidden;background:#21302b;border:1px solid rgba(255,255,255,.08);border-radius:14px}.feature-main{grid-row:span 2}.feature-icon{display:grid;width:38px;height:38px;margin-bottom:45px;place-items:center;color:var(--mint);background:rgba(158,208,189,.1);border-radius:9px;font-size:16px}.feature-grid article>small{color:var(--mint)}.feature-grid h3{margin:12px 0 16px;font:500 28px var(--serif)}.feature-grid p{max-width:500px;color:rgba(238,243,239,.55);font-size:12px;line-height:1.85}.workspace-stack{margin-top:38px}.workspace-stack>div{display:flex;margin-bottom:8px;padding:14px;gap:11px;align-items:center;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.06);border-radius:9px}.workspace-stack i{display:grid;width:32px;height:32px;place-items:center;color:var(--mint);background:rgba(158,208,189,.1);border-radius:8px;font:500 12px var(--serif);font-style:normal}.workspace-stack b,.workspace-stack small{display:block;font-size:8px}.workspace-stack small{margin-top:4px;color:rgba(255,255,255,.35);font-size:6px}.workspace-stack em{margin-left:auto;color:rgba(255,255,255,.26);font-size:6px;font-style:normal}.model-chips{display:flex;gap:7px;margin-top:32px}.model-chips span{color:var(--mint);background:rgba(158,208,189,.08);border:1px solid rgba(158,208,189,.14)}.archive-line{display:flex;height:70px;margin-top:25px;gap:5px;align-items:end}.archive-line span{width:20%;background:rgba(158,208,189,.16);border-radius:3px 3px 0 0}.archive-line span:nth-child(1){height:35%}.archive-line span:nth-child(2){height:67%}.archive-line span:nth-child(3){height:48%}.archive-line span:nth-child(4){height:90%;background:var(--mint)}
.privacy{display:grid;min-height:740px;padding:120px max(8vw,70px);grid-template-columns:1fr 1fr;gap:8vw;align-items:center;background:#f7f5ef}.privacy-visual{position:relative;width:min(500px,42vw);height:min(500px,42vw);margin:auto}.privacy-ring{position:absolute;inset:0;border:1px solid rgba(20,125,111,.16);border-radius:50%}.ring-two{inset:13%}.ring-three{inset:28%;background:rgba(20,125,111,.025)}.privacy-core{position:absolute;inset:36%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#fff;background:var(--green);border-radius:50%;box-shadow:0 20px 50px rgba(20,125,111,.25)}.privacy-core span{font-size:24px}.privacy-core strong{margin-top:8px;font:700 10px var(--serif);letter-spacing:.2em}.privacy-core small{margin-top:5px;color:rgba(255,255,255,.6);font-size:7px}.privacy-chip{position:absolute;padding:10px 13px;background:#fff;border:1px solid var(--line);border-radius:7px;box-shadow:0 12px 30px rgba(23,35,31,.09);font-size:8px}.privacy-chip i{margin-left:10px;color:var(--green);font-style:normal}.chip-one{top:17%;left:-3%}.chip-two{right:-2%;top:34%}.chip-three{bottom:13%;left:7%}.privacy-copy h2{margin:20px 0 28px;font:500 clamp(38px,4vw,57px)/1.18 var(--serif);letter-spacing:-.04em}.privacy-copy>p{max-width:520px;color:var(--muted);font-size:13px;line-height:2}.privacy-copy ul{padding:0;margin:35px 0 0;list-style:none}.privacy-copy li{display:flex;padding:14px 0;gap:12px;align-items:center;border-top:1px solid var(--line)}.privacy-copy li>i{display:grid;width:25px;height:25px;place-items:center;color:var(--green);background:#e4f1ed;border-radius:50%;font-size:8px;font-style:normal}.privacy-copy li strong,.privacy-copy li small{display:block;font-size:10px}.privacy-copy li small{margin-top:4px;color:#858c87;font-size:8px}.download-section{position:relative;display:grid;min-height:600px;padding:100px max(9vw,80px);grid-template-columns:1fr .7fr;align-items:center;overflow:hidden;color:#f4f6f3;background:#147d6f}.download-section:after{position:absolute;right:-10%;bottom:-70%;width:760px;height:760px;content:"";border:1px solid rgba(255,255,255,.13);border-radius:50%}.download-glow{position:absolute;left:10%;top:-45%;width:600px;height:600px;background:radial-gradient(circle,rgba(158,208,189,.3),transparent 65%)}.download-copy{position:relative;z-index:2}.download-copy>span{font-size:9px;font-weight:700;letter-spacing:.2em}.download-copy h2{margin:20px 0;font:500 clamp(45px,5vw,72px)/1.12 var(--serif);letter-spacing:-.04em}.download-copy>p{color:rgba(255,255,255,.66);font-size:11px}.button-light{min-width:310px;margin-top:20px;padding:14px 18px;justify-content:flex-start;color:var(--ink);background:#fff;border:0}.button-light small{color:#818782}.button-light>b{margin-left:auto;color:var(--green)}.download-note{display:block;margin-top:15px;color:rgba(255,255,255,.47);font-size:8px}.download-mark{position:relative;z-index:2;justify-self:center;color:rgba(255,255,255,.9);font:400 clamp(190px,23vw,330px)/1 var(--serif);text-shadow:20px 28px 0 rgba(13,86,76,.23)}footer{display:flex;padding:42px max(6vw,70px);align-items:center;justify-content:space-between;background:#111a17;color:#eaf0ec}footer p{color:rgba(255,255,255,.4);font:400 12px var(--serif)}footer>div{display:flex;gap:25px;color:rgba(255,255,255,.4);font-size:8px}footer>div a{color:var(--mint)}.footer-brand .brand-mark{width:29px;height:29px;font-size:15px}.footer-brand strong{font-size:13px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}.reveal.visible{opacity:1;transform:none}.reveal-delay{transition-delay:.18s}@keyframes blink{50%{opacity:0}}
@media(max-width:1050px){.hero{min-height:auto;padding-top:130px;grid-template-columns:1fr}.hero-copy{max-width:720px}.hero-product{margin-top:45px}.section-intro{grid-template-columns:1fr 1.2fr}.section-intro p{grid-column:2}.workflow-item{grid-template-columns:45px 1fr}.workflow-item .demo-card{grid-column:2}.workflow-item.reverse .workflow-copy{order:initial}.workflow-item.reverse .demo-card{order:initial}.privacy{grid-template-columns:1fr}.privacy-visual{width:min(500px,75vw);height:min(500px,75vw)}}
@media(max-width:720px){.site-header{height:64px;padding:0 18px}.site-header nav{display:none}.header-download{padding:9px 12px}.hero{padding:115px 20px 70px;grid-template-columns:1fr}.hero h1{font-size:58px}.hero-copy>p{font-size:13px}.hero-actions{flex-direction:column}.button-primary{width:100%}.trust-row{flex-wrap:wrap;gap:10px}.hero-product{margin-top:48px}.statement{padding:90px 22px}.statement h2 br{display:none}.workflow,.features{padding:90px 20px}.section-intro{display:block;margin-bottom:55px}.section-intro h2{margin:15px 0}.workflow-item{display:block;padding:60px 0}.number{margin-bottom:22px}.workflow-copy{margin-bottom:35px}.demo-card{min-height:290px}.feature-grid{grid-template-columns:1fr}.feature-grid article{padding:28px}.privacy{padding:90px 20px}.privacy-visual{width:84vw;height:84vw}.privacy-chip{font-size:7px}.download-section{display:block;min-height:auto;padding:90px 22px}.download-mark{display:none}.button-light{width:100%;min-width:0}footer{padding:35px 20px;gap:25px;flex-wrap:wrap}footer p{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.typing-line i{animation:none}}

/* Download variants */
.portable-link>span{color:var(--ink)}.portable-link small{color:var(--muted)}.portable-link b{margin-left:8px;color:var(--green)}
.download-options{display:flex;gap:10px;margin-top:20px;align-items:stretch}.download-options .button-light{margin-top:0}.button-outline-light{padding:14px 18px;justify-content:flex-start;color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}.button-outline-light small{color:rgba(255,255,255,.58)}.button-outline-light>b{margin-left:auto;color:var(--mint)}
@media(max-width:720px){.download-options{flex-direction:column}.button-outline-light{width:100%;min-width:0}}

/* Mobile layout: render the product preview as a native-width card instead of a scaled desktop canvas. */
@media(max-width:720px){
  body{overflow-x:hidden}
  .site-header{gap:12px}.site-header .brand small{display:none}.site-header .brand-mark{width:31px;height:31px;font-size:16px}.site-header .brand strong{font-size:14px}.header-download{white-space:nowrap;font-size:11px}.header-download span{margin-left:7px}
  .hero{display:block;padding:104px 18px 64px}.hero-orbit{display:none}.eyebrow{margin-bottom:18px;font-size:8px}.eyebrow span{width:22px}.hero h1{font-size:clamp(46px,15vw,58px);letter-spacing:-.055em}.hero-copy>p{margin:23px 0;font-size:13px;line-height:1.8}.hero-actions{width:100%}.hero-actions .button{width:100%;min-width:0}.trust-row{display:grid;grid-template-columns:1fr 1fr;margin-top:20px}.trust-row span:last-child{grid-column:1/-1}
  .hero-product{width:100%;height:auto;margin:48px 0 0;transform:none;perspective:none}.app-window{width:100%;transform:none;border-radius:9px;box-shadow:0 22px 50px rgba(23,35,31,.18)}.window-bar{height:32px}.window-bar>b{display:none}.app-body{height:355px}.app-sidebar{display:none}.app-screen{width:100%}.steps{height:50px;padding:0 8px;justify-content:flex-start}.steps>div{min-width:0;flex:1;padding:0 7px}.steps>div:nth-child(n+3){display:none}.steps span{font-size:8px}.steps small{font-size:6px}.screen-content{padding:16px}.screen-head{align-items:start}.screen-head h2{max-width:220px;font-size:17px}.screen-head p{font-size:8px}.screen-head button{padding:7px 8px;white-space:nowrap}.screen-grid{display:block}.context-card{display:none}.prompt-card{min-height:220px;padding:13px}.editor-lines{height:126px}.floating-card{display:none}
  .statement{padding:78px 20px}.statement p{font-size:9px}.statement h2{font-size:29px;line-height:1.5}
  .workflow,.features{padding:78px 18px}.section-intro{margin-bottom:42px}.section-intro h2{font-size:36px}.workflow-item{min-height:0;padding:52px 0}.workflow-copy h3{font-size:29px}.workflow-copy p{font-size:12px}.demo-card{width:100%;min-height:0}.topic-demo{padding:16px}.topic-row{padding:12px 9px;gap:9px}.topic-row>i{width:32px;height:32px}.topic-row strong{font-size:10px}.writing-demo{padding:28px 24px}.writing-demo h4{font-size:21px}.visual-image{height:190px}.visual-tools{gap:8px}.visual-tools button{white-space:nowrap}
  .feature-grid article{min-height:0}.feature-icon{margin-bottom:30px}.feature-grid h3{font-size:25px}.workspace-stack>div{padding:11px}.workspace-stack em{display:none}
  .privacy{padding:78px 18px;gap:55px}.privacy-visual{width:min(82vw,340px);height:min(82vw,340px)}.privacy-chip{padding:8px 9px;white-space:nowrap}.chip-one{left:0}.chip-two{right:0}.chip-three{left:5%;bottom:8%}.privacy-copy h2{font-size:38px}.privacy-copy>p{font-size:12px}
  .download-section{padding:78px 18px}.download-copy h2{font-size:42px}.download-options .button{min-height:62px}.download-note{font-size:9px;line-height:1.6}
  footer{align-items:flex-start}footer>div{width:100%;justify-content:space-between}
}

@media(max-width:380px){
  .header-download{padding:8px 10px}.header-download span{display:none}.hero{padding-left:15px;padding-right:15px}.hero h1{font-size:44px}.trust-row{grid-template-columns:1fr}.trust-row span:last-child{grid-column:auto}.screen-head p{display:none}.privacy-chip{font-size:7px}.download-copy h2{font-size:37px}
}