:root{color-scheme:light;--bg:#f6f7f3;--paper:#fff;--ink:#24312e;--muted:#65706b;--accent:#315b6a;--border:#dfe4dd;--wash:#edf1eb;--selected:#e4edf0;--code:#f0f3ee;--shadow:0 28px 90px -45px #182d3c55;--serif:Georgia,'Songti SC','STSong',serif}
html[data-theme=dark]{color-scheme:dark;--bg:#171d1e;--paper:#202829;--ink:#e7ece7;--muted:#abb8b3;--accent:#b1d2dc;--border:#3c4948;--wash:#1c2424;--selected:#30454b;--code:#283334;--shadow:0 28px 90px -45px #000a}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer;color:inherit}button,a{ -webkit-tap-highlight-color:transparent}button{border:0;background:none}a,button{transition:background .18s,color .18s,box-shadow .18s}a:focus-visible,button:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{cursor:default}svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}img{max-width:100%}.container{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;left:20px;top:-80px;z-index:100;background:var(--ink);color:var(--bg);padding:12px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}[hidden]{display:none!important}
.site-header{height:88px;border-bottom:1px solid var(--border)}.nav-wrap{max-width:1328px;margin:auto;padding:0 40px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px}.brand>span{font-size:24px;font-weight:600;letter-spacing:2px;display:flex;align-items:baseline;gap:12px}.brand small{font-size:13px;font-weight:400;letter-spacing:.2px;color:var(--muted)}.site-header nav{display:flex;gap:34px;font-size:14px;color:var(--muted)}.site-header nav a:hover{color:var(--ink)}.nav-actions{display:flex;align-items:center;gap:18px;font-size:13px}.nav-contact{padding:8px 13px;border:1px solid var(--border);border-radius:6px}.nav-contact:hover{background:var(--wash)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px}.nav-actions .theme-toggle{width:40px;height:40px;border-radius:50%}.nav-actions .theme-toggle:hover{background:var(--wash)}html[data-theme=dark] .brand img,html[data-theme=dark] .closing img{filter:brightness(2.8) saturate(.5)}
.hero{text-align:center;padding-top:80px;padding-bottom:50px}.eyebrow{font-size:12px;letter-spacing:1.5px;color:var(--muted);display:flex;align-items:center;gap:9px;margin:0 0 20px}.hero .eyebrow{justify-content:center}.status-dot{width:6px;height:6px;display:inline-block;border-radius:50%;background:#6c8b75}.hero h1{font-size:clamp(40px,5.2vw,68px);font-weight:550;line-height:1.27;letter-spacing:-1.8px;margin:0 0 25px;text-wrap:balance}.hero h1 span{color:var(--accent);font-family:var(--serif);font-weight:400;letter-spacing:0}.hero-copy{font-size:16px;color:var(--muted);line-height:1.9;margin:0}.hero-actions{display:flex;align-items:center;justify-content:center;gap:28px;margin:28px 0 16px}.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:24px;border-radius:5px;padding:11px 22px;font-size:14px;font-weight:500}.primary{background:var(--ink);color:var(--bg)}.primary:hover{background:var(--accent);color:var(--bg)}.text-link{display:inline-flex;gap:14px;align-items:center;padding:8px 0;font-size:13px;color:var(--accent)}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.hero-note{font-size:11px;letter-spacing:1px;color:var(--muted);margin:0}
.experience{padding-top:18px}.demo-caption{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;color:var(--muted)}.demo-caption h2,.demo-caption p{font-size:12px;font-weight:400;margin:0}.app-demo{border:1px solid var(--border);border-radius:12px;background:var(--paper);overflow:hidden;box-shadow:var(--shadow)}.window-bar{height:42px;background:var(--wash);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:0 16px;font-size:11px;color:var(--muted)}.traffic-lights{display:flex;gap:6px;width:80px}.traffic-lights i{height:9px;width:9px;border-radius:50%;background:#e08c83}.traffic-lights i:nth-child(2){background:#d6b669}.traffic-lights i:nth-child(3){background:#92b49b}.window-layout{width:80px;text-align:right}.app-workspace{display:grid;grid-template-columns:185px minmax(0,1fr) 168px;min-height:490px}.demo-files,.demo-outline{background:var(--wash);padding:18px 12px;font-size:11px;position:relative}.demo-files{border-right:1px solid var(--border)}.demo-outline{border-left:1px solid var(--border)}.demo-files>strong,.demo-outline>strong{display:block;padding:0 8px;margin-bottom:24px;font-size:11px;font-weight:600}.folder,.file{display:flex;align-items:center;gap:7px;white-space:nowrap;padding:7px 9px;min-height:33px}.folder{color:var(--muted);margin-bottom:5px}.folder svg,.file svg{width:14px;height:14px}.file{margin:3px 0 3px 14px;border-radius:4px}.file.selected{background:var(--selected);color:var(--accent)}.muted{color:var(--muted)}.sidebar-note{position:absolute;bottom:24px;left:24px;font-family:var(--serif);font-size:14px;line-height:1.8;color:var(--muted)}.demo-main{min-width:0;display:flex;flex-direction:column}.demo-toolbar{height:42px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);padding:0 13px;gap:10px}.demo-toolbar>span{display:flex;gap:6px;align-items:center;font-size:10px;white-space:nowrap}.demo-toolbar svg{width:13px;height:13px;color:var(--muted)}.mode-switch{display:flex;border-radius:4px;background:var(--wash);padding:3px;gap:2px;flex-shrink:0}.mode-switch button{font-size:10px;line-height:1.4;padding:5px 8px;border-radius:3px;color:var(--muted)}.mode-switch button[aria-pressed=true]{background:var(--paper);color:var(--ink);box-shadow:0 1px 3px #0001}.demo-paper{height:448px;overflow:auto;padding:25px 36px 32px;font-size:13px;line-height:1.95;overflow-wrap:anywhere;scroll-behavior:smooth}.demo-paper .preview-heading-1{font-size:25px;line-height:1.45;font-weight:600;letter-spacing:-.5px;margin:0 0 14px}.demo-paper .preview-heading-2{font-size:16px;line-height:1.5;margin:24px 0 10px}.demo-paper p{margin:0 0 13px}.demo-paper p:first-of-type{color:var(--muted)}.demo-paper blockquote{border-left:2px solid #9ab9c4;padding:10px 14px;margin:16px 0;background:var(--wash);color:var(--muted);font-size:12px}.demo-paper ul{padding-left:20px;margin:12px 0}.demo-paper code{background:var(--code);padding:2px 4px;border-radius:3px;font-size:.9em}.demo-paper pre{background:var(--code);padding:12px;overflow:auto}.demo-paper pre code{padding:0}.demo-paper> :last-child{margin-bottom:0}#demo-source{resize:none;width:100%;height:448px;padding:25px 30px;border:0;outline-offset:-4px;background:var(--paper);color:var(--ink);font:12px/1.9 'SFMono-Regular',Consolas,monospace;tab-size:2}.demo-outline button{display:block;width:100%;text-align:left;font-size:10px;padding:7px 9px;margin-bottom:4px;border-radius:4px;line-height:1.6;overflow-wrap:anywhere;color:var(--muted)}.demo-outline button:first-child{background:var(--selected);color:var(--accent)}.demo-outline button:hover{background:var(--border)}.demo-outline .depth-2{padding-left:18px}.app-status{height:26px;border-top:1px solid var(--border);background:var(--wash);padding:0 12px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:9px}.demo-footnote{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted);margin:14px 0}.demo-footnote button{white-space:nowrap;font-size:11px;min-height:36px}.demo-footnote button:hover{color:var(--accent)}
.features{padding-top:110px;padding-bottom:106px}.section-intro h2,.appearance-grid h2{font-size:clamp(30px,3vw,40px);line-height:1.45;font-weight:500;letter-spacing:-1px;margin:0 0 22px}.section-intro>p:last-child,.appearance-grid>div>p:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:44px}.feature-grid article{border-top:1px solid var(--border);padding-top:22px}.feature-number{font-size:11px;color:var(--muted);letter-spacing:1px}.feature-grid h3{font-size:18px;font-weight:500;margin:18px 0 12px}.feature-grid p{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:28px}.feature-detail{display:flex;align-items:center;gap:10px;font-size:11px;min-height:44px;color:var(--muted);flex-wrap:wrap}.feature-detail strong{font-size:12px;font-weight:500;color:var(--ink)}.feature-detail code{font-size:10px;color:var(--accent)}kbd{border:1px solid var(--border);border-radius:4px;min-width:25px;height:26px;display:inline-grid;place-items:center;background:var(--paper);font-family:inherit;color:var(--ink)}
.appearance-section{background:var(--wash);padding:90px 0}.appearance-grid{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:70px}.appearance-grid .text-link{margin-top:10px}.paper-pair{position:relative;height:370px;isolation:isolate}.mini-paper{position:absolute;width:62%;height:325px;border:1px solid #d9ded7;border-radius:7px;padding:28px 30px;box-shadow:0 18px 40px -25px #152a3644}.light-paper{background:#fdfefb;color:#293b35;left:0;top:0;transform:rotate(-5deg);z-index:1}.dark-paper{background:#242f32;color:#e3eae7;right:0;bottom:0;transform:rotate(6deg);z-index:2;border-color:#455254}.mini-paper>span{font-size:9px;letter-spacing:1.2px;opacity:.65}.mini-paper h3{font-size:27px;line-height:1.45;font-family:var(--serif);font-weight:400;margin:20px 0 15px}.mini-paper p{font-size:12px;line-height:1.8;opacity:.7}.mini-paper small{font-size:9px;opacity:.55}.mini-lines{margin:17px 0}.mini-lines i{display:block;height:3px;background:currentColor;opacity:.12;margin:7px 0;width:90%}.mini-lines i:nth-child(2){width:75%}.mini-lines i:last-child{width:45%}
.release{padding-top:105px;padding-bottom:80px}.release-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:90px;padding:45px 0 40px}.release h2{font-size:32px;font-weight:500;letter-spacing:-1px;margin:0 0 18px}.release-panel>div>p:not(.eyebrow){font-size:14px;line-height:1.9;color:var(--muted)}.release .button{margin-top:12px}.release .contact-address{font-size:11px!important;margin-top:12px}.release-state{padding:28px 32px;background:var(--wash);border:1px solid var(--border);border-radius:8px}.release-label{font-size:11px;color:var(--muted)}.version{font-size:34px;font-weight:500;margin-top:8px;letter-spacing:-1px}.version>span{font-size:12px;letter-spacing:0;color:var(--muted);margin-left:10px}dl{font-size:12px;margin:20px 0}dl>div{display:flex;justify-content:space-between;gap:16px;margin:10px 0}dt{color:var(--muted)}dd{margin:0}.release-state p{font-size:11px!important;border-top:1px solid var(--border);padding-top:15px;margin:0}.changelog{border-top:1px solid var(--border);border-bottom:1px solid var(--border);font-size:13px;color:var(--muted)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:64px}summary::-webkit-details-marker{display:none}summary>span{font-size:19px;font-weight:300}details[open]>summary>span{transform:rotate(45deg)}.changelog ul{padding-left:20px}.changelog>p{font-size:12px;margin-bottom:24px}
.faq{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;padding:25px 0 95px}.faq .section-intro h2{font-size:30px}.faq-list details{border-bottom:1px solid var(--border)}.faq-list details:first-child{border-top:1px solid var(--border)}.faq-list summary{font-size:14px;line-height:1.6;padding:14px 0}.faq-list p{font-size:13px;color:var(--muted);line-height:1.9;margin:0 25px 24px 0}.faq-list a{text-decoration:underline;text-underline-offset:3px}.closing{text-align:center;padding:65px 0 75px;border-top:1px solid var(--border)}.closing h2{font-family:var(--serif);font-size:30px;font-weight:400;margin:20px 0 10px}.closing p{font-size:12px;color:var(--muted);letter-spacing:1px}.closing .text-link{margin-top:8px}.site-footer{border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:24px 0;font-size:11px;color:var(--muted)}.site-footer nav{display:flex;gap:24px;align-items:center}.site-footer button{font-size:11px;padding:0}.site-footer a:hover,.site-footer button:hover{color:var(--ink)}dialog{width:500px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 48px);overflow:auto;border:1px solid var(--border);border-radius:10px;background:var(--paper);color:var(--ink);padding:25px}dialog::backdrop{background:#15252677}dialog header{display:flex;justify-content:space-between;align-items:center}dialog h2{font-size:20px;margin:0}dialog header button{width:40px;height:40px;font-size:26px}dialog p{font-size:14px;color:var(--muted);line-height:1.9}
@media(min-width:1440px){.hero{padding-top:92px}.experience{max-width:1120px}}
@media(max-width:900px){.app-workspace{grid-template-columns:145px minmax(0,1fr)}.demo-outline{display:none}.demo-paper{padding:24px 30px}.feature-grid{gap:24px}.appearance-grid{gap:35px}.mini-paper{padding:22px}.mini-paper h3{font-size:24px}.release-panel{gap:40px}.faq{gap:40px}.nav-wrap{padding:0 24px}}
@media(max-width:640px){html{scroll-padding-top:24px}.container{width:calc(100% - 40px)}.site-header{height:72px}.nav-wrap{padding:0 20px;gap:10px}.brand{gap:7px}.brand>span{font-size:21px;gap:5px}.brand small{display:none}.brand img{width:30px;height:25px}.site-header nav{display:none}.nav-actions{gap:6px}.nav-contact{font-size:11px;padding:7px 10px}.hero{padding-top:55px;padding-bottom:40px}.hero h1{font-size:39px;letter-spacing:-1.5px;margin-bottom:20px}.hero .eyebrow{font-size:10px;letter-spacing:.4px;margin-bottom:22px}.hero-copy{font-size:13px;line-height:1.95}.hero-actions{gap:18px;margin-top:24px}.button{font-size:12px;padding:11px 15px;gap:15px}.hero-actions .text-link{font-size:11px;gap:8px}.hero-note{font-size:9px}.demo-caption{align-items:flex-start;gap:12px}.demo-caption h2{font-size:11px}.demo-caption p{font-size:10px;max-width:135px;text-align:right}.app-workspace{display:block;min-height:0}.demo-files{display:none}.window-bar{height:34px;padding:0 11px;font-size:9px}.traffic-lights{gap:4px;width:43px}.traffic-lights i{width:7px;height:7px}.window-layout{width:43px}.demo-toolbar{height:auto;min-height:43px;padding:7px 10px;flex-wrap:wrap}.demo-toolbar>span{font-size:10px}.mode-switch{margin-left:auto}.mode-switch button{font-size:9px;padding:5px 7px}.demo-paper{height:410px;padding:22px 24px;font-size:12px}.demo-paper .preview-heading-1{font-size:22px}.demo-paper .preview-heading-2{font-size:15px}#demo-source{height:410px;padding:20px;font-size:11px}.app-status{font-size:8px}.demo-footnote{font-size:10px;align-items:flex-start;gap:12px}.demo-footnote button{font-size:10px;min-height:30px}.features{padding-top:65px;padding-bottom:60px}.section-intro h2,.appearance-grid h2{font-size:30px}.feature-grid{grid-template-columns:1fr;gap:26px;margin-top:30px}.feature-grid article{padding-top:18px}.feature-grid h3{margin-top:12px}.feature-grid p{font-size:14px;margin-bottom:13px}.feature-detail{min-height:34px}.appearance-section{padding:58px 0}.appearance-grid{grid-template-columns:1fr;gap:35px}.paper-pair{height:335px;max-width:400px;width:100%;margin:auto}.mini-paper{height:295px;padding:20px}.mini-paper h3{font-size:24px}.release{padding-top:48px;padding-bottom:55px}.release-panel{grid-template-columns:1fr;gap:25px;padding:20px 0 30px}.release h2{font-size:28px}.release-state{padding:24px}.faq{grid-template-columns:1fr;gap:18px;padding-bottom:55px}.faq .eyebrow{margin-bottom:10px}.faq .section-intro h2{margin-bottom:12px}.faq-list summary{font-size:13px}.closing{padding:45px 0}.closing h2{font-size:25px}.site-footer{align-items:flex-start;gap:20px;flex-direction:column;padding:24px 0}.site-footer nav{gap:24px;flex-wrap:wrap}.app-demo{border-radius:9px}}
@media(prefers-reduced-motion:reduce){html,.demo-paper{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Product screenshots and web sandbox have distinct roles. */
.product-shot{display:block}.product-shot img{display:block;width:100%;height:auto;border-radius:1.5% / 2.7%;box-shadow:var(--shadow)}.shot-note{color:var(--muted);font-size:12px;margin:12px 0 0}.product-showcase{margin-bottom:64px}.web-demo{max-width:800px;margin:auto;border:1px solid var(--border);border-radius:8px;overflow:hidden;background:var(--paper)}.experience>.demo-caption,.experience>.demo-footnote{max-width:800px;margin-inline:auto}.web-demo .demo-toolbar{height:50px}.web-demo .demo-paper{height:380px;font-size:14px}.web-demo #demo-source{height:380px;display:block;font-size:13px}.web-demo #demo-source:focus{outline:none;box-shadow:none}.web-demo .demo-paper:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.real-theme-pair{display:grid;gap:18px}.real-theme-pair figure{margin:0}.real-theme-pair img{display:block;width:100%;height:auto;border-radius:1.5% / 2.7%}.real-theme-pair figcaption{font-size:11px;color:var(--muted);margin-top:5px}

.editing-status{font-size:10px;color:var(--muted);margin-left:8px;visibility:hidden}.web-demo:has(#demo-source:focus) .editing-status{visibility:visible}