:root{color-scheme:light;--ink:#18202c;--muted:#67717d;--blue:#3659db;--line:#e1e5e9;--soft:#f4f6f8;--paper:#fbfaf7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.04em}p{line-height:1.85}em{font-style:normal;color:var(--blue)}[hidden]{display:none!important}[id]{scroll-margin-top:100px}a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #3659db66;outline-offset:5px}.eyebrow,.tiny-label{font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}.eyebrow{margin-bottom:24px}.tiny-label{display:block;margin-bottom:16px}
.intro{max-width:1220px;margin:auto;padding:82px 36px 60px}.intro h1{font-size:64px;font-weight:700;line-height:1.19;margin:0 0 25px}.intro .lead{font-size:17px;max-width:650px;line-height:1.9;color:var(--muted);margin-bottom:0}.home-intro{text-align:center;padding-top:78px}.home-intro h1{font-size:76px}.home-intro .lead{margin:auto;max-width:660px}.home-intro .actions{justify-content:center}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:46px;padding:12px 21px;border-radius:6px;font-size:14px;font-weight:700}.primary{background:var(--blue);color:white;border:1px solid var(--blue)}.primary:hover{background:#2849ca}.secondary{border:1px solid #dce1e6;background:white}.secondary:hover{border-color:#aab7ce}.text-link{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:650;color:var(--blue);line-height:1.7}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.section{max-width:1220px;padding:80px 36px;margin:auto}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin-bottom:42px}.section-heading h2{margin-bottom:0}.section-heading>p{max-width:420px;color:var(--muted);font-size:15px;margin:0 0 3px}h2{font-size:37px;line-height:1.4;font-weight:650}h3{font-size:24px;line-height:1.4;font-weight:650}.muted,.section-copy{color:var(--muted);line-height:1.85;font-size:14px}.figure-caption{font-size:12px;color:#7a828e;margin:16px 0 0;line-height:1.7;text-align:center}.hero-showcase{max-width:1220px;margin:auto;padding:0 36px 54px}.hero-showcase.compact{padding-bottom:20px}
/* Product demonstration: documents are content, not decorative placeholders. */
.workspace-demo{border:1px solid #d6dce5;border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 20px 60px #29394f0c}.workspace-top{height:39px;background:#f9fafb;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 16px;gap:18px;font-size:11px;color:#747d89}.window-dots{font-size:9px;letter-spacing:4px;color:#c5ccd5}.demo-tag{margin-left:auto;font-size:10px;border:1px solid var(--line);padding:2px 6px;border-radius:3px}.workspace-body{display:flex;min-height:490px}.demo-sidebar{display:flex;flex-direction:column;gap:16px;flex:0 0 148px;padding:22px 13px;background:#f7f8fa;border-right:1px solid var(--line);font-size:11px;color:#647080}.demo-sidebar>b{font-size:17px;color:#202936;margin:0 7px 5px}.demo-sidebar>span,.demo-sidebar>small{padding:0 8px}.demo-sidebar .new-session{background:#fff;padding:9px 8px;border:1px solid var(--line);border-radius:5px}.demo-sidebar .active{background:#e9edf4;border-radius:4px;padding:9px 8px;color:#273448}.demo-sidebar .sidebar-bottom{margin-top:auto}.document-area{flex:1;min-width:0;background:#edf0f4;padding-bottom:26px}.document-toolbar{height:38px;display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:0 16px;font-size:11px;color:#536071}.document-toolbar span{color:#8c949e}.paper{background:#fff;max-width:380px;min-height:390px;margin:22px auto 0;padding:32px 30px;box-shadow:0 3px 8px #3341550a}.paper-meta{font-size:7px;letter-spacing:.1em;color:#8b939d;margin-bottom:22px}.paper h3{font-size:18px;text-align:center;margin-bottom:6px;font-family:"SimSun","Songti SC",serif}.paper .paper-sub{text-align:center;font-size:9px;color:#8a939f;margin-bottom:24px}.paper h4{font-size:11px;margin:18px 0 8px}.paper p{font-size:10px;line-height:1.95;color:#596372;margin:0 0 8px}.paper .selected-text{background:#eaf0ff;border-left:2px solid #4c70e0;padding:5px 8px}.paper-footer{border-top:1px solid #edf0f4;font-size:8px;color:#939ba7;padding-top:14px;margin-top:22px}.agent-pane{flex:0 0 284px;min-width:0;border-left:1px solid var(--line);padding:20px 17px;display:flex;flex-direction:column;gap:23px;background:#fff}.agent-title{font-size:12px;font-weight:750;display:flex;align-items:center;gap:8px}.request{font-size:11px;line-height:1.9;background:#eff2f6;padding:12px;border-radius:7px}.agent-answer strong{display:block;font-size:12px;line-height:1.6;margin-bottom:15px}.agent-answer p{font-size:10px;color:#586475;margin-bottom:10px;line-height:1.8}.agent-answer .tiny-label{font-size:9px;color:#8993a1}.check{color:#49726a;margin-right:6px}.composer-demo{margin-top:auto;border:1px solid var(--line);border-radius:7px;padding:13px 10px;font-size:10px;color:#8a94a1;display:flex;justify-content:space-between;gap:8px}.composer-demo span{color:var(--blue)}.demo-tabs{display:flex;justify-content:center;gap:0;margin-bottom:24px}.demo-tabs button{border:0;border-bottom:2px solid transparent;background:none;cursor:pointer;padding:13px 24px;font-size:13px;color:var(--muted)}.demo-tabs button[aria-selected=true]{color:var(--blue);border-color:var(--blue);font-weight:700}.sheet{background:white;margin:24px 18px 0;border:1px solid #d8e0e6;overflow:hidden}.formula{padding:10px 12px;font-size:11px;color:#839084;border-bottom:1px solid var(--line)}.formula span{color:#42535b;margin-left:14px;font-family:monospace}.sheet table{font-size:10px;min-width:0}.sheet th,.sheet td{padding:11px 7px;min-width:0;border:1px solid #e4e9ee;white-space:nowrap}.sheet th{color:#86919a;font-weight:400;text-align:center;background:#f7f9fa}.sheet td{color:#44525d}.sheet .selected-cell{background:#edf7f1;box-shadow:inset 0 0 0 2px #5b9479}.sheet-tabs{font-size:9px;color:#267456;background:#f4f7f8;border-top:1px solid var(--line);padding:10px 15px}.sheet-tabs span{color:#87919c;margin-left:20px}.mini-chart{height:110px;display:flex;gap:24px;align-items:end;padding:12px 25px 24px}.mini-chart span{height:var(--bar);flex:1;background:#729789;font-size:9px;color:#5e6c64;display:flex;align-items:end;justify-content:center;padding-top:12px;position:relative;text-indent:-9999px}.mini-chart span::after{content:'';position:absolute;bottom:-12px;width:100%;border-top:1px solid var(--line)}.slide-stage{display:flex;gap:16px;padding:42px 20px}.slide-thumbs{display:flex;flex-direction:column;gap:12px}.slide-thumbs span{padding:16px 12px;background:#e4e9f1;font-size:10px;color:#697994}.slide{background:#edf1fb;color:#243451;aspect-ratio:1.55;flex:1;min-width:0;padding:30px 22px;display:flex;flex-direction:column}.slide-kicker{font-size:8px;letter-spacing:.08em}.slide h3{font-size:24px;margin:30px 0 10px;line-height:1.5}.slide-rule{height:3px;background:#5e7ed8;width:36px;margin-bottom:15px}.slide p{font-size:9px}.slide small{font-size:7px;margin-top:auto;color:#6e7d97}
/* Long-form product storytelling. */
.product-paths{border-top:1px solid var(--line)}.product-paths>a{display:flex;align-items:center;gap:38px;padding:33px 4px;border-bottom:1px solid var(--line);transition:background .2s}.product-paths>a:hover{background:#f8fafc}.path-index{font-size:12px;color:#8a94a1;font-family:monospace}.product-paths>a>div{display:grid;grid-template-columns:150px 180px 1fr;gap:20px;align-items:center;flex:1}.product-paths small{color:var(--muted);font-size:10px;letter-spacing:.12em}.product-paths h3{font-size:22px;margin:0}.product-paths p{font-size:14px;color:var(--muted);margin:0}.path-arrow{font-size:25px;color:var(--blue)}.editorial{max-width:1220px;margin:auto;padding:80px 36px;display:grid;grid-template-columns:1fr 1.15fr;gap:88px;align-items:center}.editorial.reverse{grid-template-columns:1.15fr 1fr}.editorial.reverse .editorial-copy{order:2}.editorial-copy h2{margin:20px 0}.editorial-copy>p{font-size:15px;color:var(--muted);max-width:420px}.section-number{font-size:11px;font-family:monospace;letter-spacing:.09em;color:#838e9d}.editorial-visual{min-width:0;background:#f1f3f6;padding:30px;border-radius:4px;min-height:370px;display:flex;flex-direction:column;justify-content:center}.editorial-visual>.paper{width:85%;margin:auto}.editorial-visual>.sheet{margin:0}.editorial-visual .paper{min-height:410px}.feature-list{margin:25px 0 0}.feature-list>div{display:grid;grid-template-columns:200px 1fr;gap:30px;padding:23px 0;border-top:1px solid var(--line)}.feature-list dt{font-weight:650;font-size:15px}.feature-list dd{margin:0;font-size:14px;line-height:1.85;color:var(--muted)}.editorial-copy .feature-list>div{grid-template-columns:90px 1fr;gap:15px;padding:18px 0}.editorial-copy .feature-list dd,.editorial-copy .feature-list dt{font-size:12px}.context-stack{background:white;border:1px solid var(--line);padding:28px}.context-stack>div{display:flex;gap:20px;padding:18px 0;border-top:1px solid var(--line);font-size:12px;line-height:1.8}.context-stack b{flex:0 0 50px;font-weight:600;color:#6d7888}.context-stack .context-result{color:var(--blue);padding-bottom:0}.prompt-list>div{background:white;padding:20px;margin-bottom:12px;display:flex;gap:20px;border:1px solid #e4e8ed}.prompt-list>div>span{font-size:20px;font-weight:700;color:var(--blue)}.prompt-list p{font-size:13px;margin:0}.prompt-list small{font-size:10px;color:var(--muted)}.section-link{max-width:1220px;padding:0 36px 30px;margin:-45px auto 0}.host-strip{display:flex;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:28px 0}.host-strip a{display:flex;align-items:center;gap:14px;padding:27px 10px;font-size:15px;font-weight:600}.host-strip img{width:30px;height:30px;object-fit:contain}.host-strip small{font-size:10px;color:var(--muted);font-weight:400}.use-cases article{display:grid;grid-template-columns:40px 1fr 1fr;gap:38px;border-top:1px solid var(--line);padding:32px 0;align-items:start}.use-cases h3{font-size:23px;margin:0 0 12px}.use-cases p{font-size:14px;color:var(--muted);margin:0}.use-cases blockquote{background:#f4f6f9;margin:0;padding:23px;font-size:14px;line-height:1.85;color:#5d6b7c;border-left:2px solid #b8c6e7}.closing{max-width:1148px;padding:42px 45px;margin:35px auto 80px;background:#f1f4fa;border-top:2px solid var(--blue);display:flex;align-items:center;gap:50px}.closing>div{flex:1}.closing h2{font-size:27px;margin-bottom:15px}.closing p{font-size:14px;color:var(--muted);max-width:740px;margin:0}.closing>a{flex-shrink:0}
/* Desktop: a workspace illustration and an explicit download surface. */
.desktop-workspace{background:white;border:1px solid #d7dde6;border-radius:9px;overflow:hidden;box-shadow:0 18px 50px #2532450a}.desktop-columns{display:grid;grid-template-columns:260px 1fr;min-height:405px}.desktop-columns>aside{display:flex;flex-direction:column;padding:30px;background:#f6f7f9;border-right:1px solid var(--line);gap:22px}.desktop-columns aside small{font-size:10px;color:var(--muted)}.desktop-columns aside b{font-size:16px}.desktop-columns aside>span{font-size:12px;color:#5b6878}.workspace-path{font-size:9px;color:var(--muted);margin-top:auto}.desktop-columns>div{padding:40px 50px}.desktop-columns h3{font-size:27px;margin:15px 0 27px}.task-line{display:flex;gap:20px;margin:20px 0}.task-line>span{font-size:11px;color:#7792c6;margin-top:5px}.task-line b{font-size:13px;font-weight:600}.task-line p{font-size:12px;color:var(--muted);margin:5px 0 0}.download-section{display:grid;grid-template-columns:1fr 1fr;max-width:1148px;margin:30px auto 0;padding:56px;background:#f4f5f7;gap:60px;align-items:center}.download-section h2{font-size:42px}.download-section>div>p{font-size:14px;color:var(--muted)}.download-box{background:#fff;border:1px solid var(--line);padding:30px}.windows-mark{font-size:55px;color:var(--blue);line-height:1;margin-bottom:15px}.download-box h3{font-size:23px}.download-box dl>div{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:13px 0;font-size:12px}.download-box dt{color:var(--muted)}.download-box dd{margin:0}.download-box .text-link{display:block;margin-top:20px}
/* Developer content: code, contracts, and specific capabilities. */
.code-block{background:#182331;color:#d4deeb;border-radius:8px;margin:0;overflow:hidden}.code-block figcaption{display:flex;justify-content:space-between;border-bottom:1px solid #344050;padding:18px 24px;font-size:12px;color:#a0b0c5}.code-block figcaption span{font-size:10px}.code-block pre{font:13px/1.9 ui-monospace,SFMono-Regular,Consolas,monospace;overflow-x:auto;padding:26px 30px;margin:0;tab-size:2}.code-showcase{max-width:1050px}.package-list{border-top:1px solid var(--line)}.package-list>a{display:flex;gap:40px;padding:35px 0;border-bottom:1px solid var(--line);align-items:start}.package-list>a>span{color:var(--muted);font:12px monospace;margin-top:6px}.package-list>a>div{flex:1;min-width:0}.package-list h3{margin:0 0 10px}.package-list p{font-size:14px;color:var(--muted);margin:0 0 15px}.package-list code{font-size:12px;overflow-wrap:anywhere;color:#788494}.package-list>a>b{font-size:25px;color:var(--blue)}.architecture{max-width:820px;margin:auto;text-align:center;display:grid;gap:14px}.architecture>div{background:#f6f7f9;padding:25px;border:1px solid var(--line)}.architecture small{display:block;font-size:12px;color:var(--muted);margin:10px 0}.architecture b{font-size:17px;font-weight:600}.architecture>span{font-size:11px;color:#97a0ab}.architecture>.architecture-pair{padding:0;border:0;background:none;display:grid;grid-template-columns:1fr 1fr;gap:18px}.architecture-pair>div{background:#f4f6f9;border:1px solid var(--line);padding:25px}.architecture>.core-layer{background:#edf2ff;border-color:#c7d4f5}.editor-triptych{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;background:#f0f3f7;padding:24px}.editor-triptych>div{min-width:0;overflow:hidden}.editor-triptych>div>span{font-size:10px;color:#748095;letter-spacing:.12em;display:block;margin-bottom:15px}.editor-triptych .paper{padding:25px 20px;margin:0;min-height:350px}.editor-triptych .paper h3{font-size:14px}.editor-triptych .sheet{margin:0}.editor-triptych .sheet th,.editor-triptych .sheet td{font-size:8px;padding:8px 4px}.editor-triptych .slide-stage{padding:0}.editor-triptych .slide-thumbs{display:none}.editor-triptych .slide{min-height:350px;padding:28px 18px}.editor-triptych .slide h3{font-size:23px}.conversion-path{display:flex;gap:20px;align-items:center;background:#f5f7fa;padding:32px}.conversion-path>div{flex:1;min-width:0;background:white;border:1px solid var(--line);padding:24px 20px;min-height:160px}.conversion-path small{font-size:10px;color:#8a94a3;display:block;margin-bottom:20px}.conversion-path b{font-size:14px;line-height:1.6}.conversion-path p{font-size:11px;color:var(--muted);margin:15px 0 0}.conversion-path>span{color:#a1adc0}
.table-wrap{overflow-x:auto;border-top:1px solid var(--line);margin-top:30px}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left;line-height:1.8}th,td{border-bottom:1px solid var(--line);padding:20px 17px;vertical-align:top;min-width:125px}th{font-weight:600;background:#f7f8fa}td{color:#657182}td:last-child{min-width:210px}table .text-link{font-size:12px}caption{padding:16px;color:var(--muted);font-size:12px;text-align:left}.support-nav{max-width:1148px;margin:0 auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;display:flex;gap:36px}.faq details{padding:24px 0;border-top:1px solid var(--line)}.faq summary{font-size:16px;font-weight:600;line-height:1.8;cursor:pointer}.faq p{font-size:14px;color:var(--muted);max-width:820px;margin-top:18px}.note{font-size:12px;color:var(--muted);line-height:1.8}.section-title{font-size:37px}.section-heading:has(>.section-kicker){display:block}.section-heading>.section-copy{margin-top:16px}.section>.text-link{margin-right:24px;margin-top:20px}
@media(max-width:1100px){.demo-sidebar{flex-basis:120px}.agent-pane{flex-basis:240px}.paper{max-width:330px;margin-left:18px;margin-right:18px}.product-paths>a>div{grid-template-columns:100px 160px 1fr}.host-strip small{display:none}.editorial{gap:44px}.editorial.reverse{gap:44px}.conversion-path{gap:12px;padding:20px}}
@media(max-width:900px){.intro h1{font-size:54px}.home-intro h1{font-size:64px}.demo-sidebar{display:none}.section-heading{gap:35px}.editorial,.editorial.reverse{gap:35px;grid-template-columns:1fr 1fr}.editorial-visual{padding:18px}.product-paths>a>div{grid-template-columns:150px 1fr}.product-paths small{grid-column:1/-1}.product-paths p{font-size:13px}.desktop-columns{grid-template-columns:210px 1fr}.desktop-columns>div{padding:30px}.download-section{margin:20px 36px 0;padding:36px;gap:30px}.download-section h2{font-size:34px}.closing{margin:30px 36px 65px;padding:35px;gap:25px}.editor-triptych{grid-template-columns:1fr}.editor-triptych>div{max-width:500px;width:100%;margin:auto}.editor-triptych .paper{max-width:none}.conversion-path{display:grid;grid-template-columns:1fr;text-align:center}.conversion-path>span{transform:rotate(90deg)}.conversion-path>div{min-height:0}.support-nav{margin:0 36px}.use-cases article{grid-template-columns:25px 1fr;gap:22px}.use-cases blockquote{grid-column:2}}
@media(max-width:700px){.intro{padding:48px 22px 38px}.intro h1{font-size:36px;line-height:1.25}.home-intro h1{font-size:54px}.intro .lead{font-size:15px}.eyebrow{font-size:10px;margin-bottom:20px}.hero-showcase{padding:0 20px 30px}.workspace-body{flex-direction:column;min-height:0}.document-area{padding-bottom:20px}.paper{margin:20px auto 0;max-width:290px;min-height:345px;padding:25px}.agent-pane{flex:0 0 auto;border-left:0;border-top:1px solid var(--line);gap:16px;padding:20px}.agent-answer{padding:0 4px}.agent-answer strong{margin-bottom:10px}.agent-pane .request{font-size:12px}.composer-demo{margin-top:5px}.workspace-top{gap:10px;padding:0 10px}.window-dots{font-size:7px;letter-spacing:2px}.demo-tag{font-size:8px}.demo-tabs button{padding:12px 11px;font-size:12px}.section{padding:50px 22px}.section-heading{grid-template-columns:1fr;gap:20px;margin-bottom:28px}h2,.section-title{font-size:28px}h3{font-size:22px}.section-heading>p{font-size:14px}.product-paths>a{gap:18px;padding:25px 0}.product-paths>a>div{display:block}.product-paths small{display:block;margin-bottom:8px}.product-paths h3{font-size:23px;margin-bottom:10px}.product-paths p{font-size:13px}.path-arrow{font-size:22px}.path-index{align-self:flex-start;margin-top:4px}.feature-list>div{grid-template-columns:1fr;gap:10px;padding:20px 0}.editorial,.editorial.reverse{grid-template-columns:1fr;padding:48px 22px;gap:25px}.editorial.reverse .editorial-copy{order:0}.editorial-visual{min-height:0;padding:25px 18px}.editorial-copy h2{margin:16px 0}.editorial-copy .feature-list>div{grid-template-columns:75px 1fr}.editorial-visual>.paper{width:100%}.section-link{margin:-20px 0 0;padding:0 22px 22px}.host-strip{display:block;margin-top:25px}.host-strip a{padding:20px 4px;border-bottom:1px solid var(--line)}.host-strip a:last-child{border:0}.host-strip small{display:block;margin-left:auto}.closing{margin:20px 22px 50px;padding:27px;display:block}.closing h2{font-size:24px}.closing>a{margin-top:23px}.desktop-columns{display:block}.desktop-columns>aside{padding:22px;border-right:0;border-bottom:1px solid var(--line);gap:14px}.desktop-columns>div{padding:26px}.desktop-columns h3{font-size:24px}.desktop-columns aside .workspace-path{display:none}.download-section{display:block;margin:10px 22px 0;padding:25px}.download-section h2{font-size:31px}.download-box{margin-top:26px;padding:25px}.code-block pre{padding:20px;font-size:11px}.code-block figcaption{font-size:10px;padding:15px}.code-block figcaption span{display:none}.package-list>a{gap:17px;padding:26px 0}.package-list h3{font-size:22px}.package-list p{font-size:13px}.package-list code{font-size:10px;overflow-wrap:anywhere}.architecture>.architecture-pair{gap:12px}.architecture-pair>div{padding:18px}.architecture b{font-size:14px}.architecture small{font-size:11px}.editor-triptych{padding:18px;gap:24px}.support-nav{margin:0 22px;gap:18px;flex-wrap:wrap}.support-nav .text-link{font-size:12px}.table-wrap{margin-top:20px}.use-cases article{padding:24px 0}.use-cases h3{font-size:22px}.use-cases blockquote{font-size:13px;padding:18px}.sheet{margin:18px 10px 0}.slide-stage{padding:30px 12px;gap:10px}.slide{padding:24px 16px}.slide h3{font-size:21px}.sheet th,.sheet td{padding:9px 4px;font-size:9px}.sheet td:last-child{min-width:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Keep chart labels visible and embedded tables independent of the support matrix. */
.sheet td:last-child { min-width:0; }
.mini-chart { padding-bottom:32px; }
.mini-chart span::after { content:attr(data-label); text-indent:0; bottom:-23px; border:0; text-align:center; white-space:nowrap; font-size:8px; }

h1,h2 { text-wrap:balance; }

.token-keyword { color:#91b5ff; } .token-string { color:#c9ddad; } .token-comment { color:#8d9cae; }