:root{color-scheme:light;--paper:#f7f6f0;--ink:#202b25;--muted:#71766d;--line:#dedfd5;--green:#24483b;--tint:#edf0e8;--white:#fffef8;--code:#1f3028;--shadow:rgba(36,48,36,.13);--serif:Georgia,'Songti SC','Noto Serif CJK SC',STSong,serif;--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;--mono:'SFMono-Regular',Consolas,monospace}
:root[data-theme=dark]{color-scheme:dark;--paper:#151c18;--ink:#efeee4;--muted:#a3ac9f;--line:#343f35;--green:#bbd1bd;--tint:#1d2821;--white:#26332a;--code:#101a14;--shadow:rgba(0,0,0,.3)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:2px solid var(--green);outline-offset:5px}button{border:0}svg{display:block}::selection{background:#bdcbb1;color:#14291d}.container{max-width:1200px;margin:auto;padding-left:40px;padding-right:40px}.site-header{height:98px;position:relative;z-index:5}.header-inner{height:100%;display:flex;align-items:center;gap:50px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;letter-spacing:-1px;font-weight:650}.brand svg{width:25px;height:30px;fill:none;stroke:var(--green);stroke-width:1.5;stroke-linejoin:round}.brand-dot{color:var(--green)}.desktop-nav{display:flex;gap:33px;margin-left:auto;font-size:13px}.desktop-nav a:hover,.text-link:hover{color:var(--green)}.header-actions{display:flex;align-items:center;gap:15px}.text-control,.icon-control{padding:4px;background:transparent;font-size:12px}.text-control{font-weight:600;min-width:26px}.icon-control{width:28px;height:28px}.icon-control svg{width:19px;height:19px;fill:none;stroke:var(--ink);stroke-width:1.3}.icon-control path{fill:var(--ink);stroke:none}.header-cta{font-size:12px;border-bottom:1px solid var(--ink);padding:6px 0;margin-left:8px}.hero{min-height:650px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:30px;padding-top:55px;padding-bottom:95px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2.2px;text-transform:uppercase;color:var(--green);display:flex;align-items:center;gap:10px;margin:0 0 30px}.status-dot{display:inline-block;background:var(--green);width:5px;height:5px;border-radius:50%;flex-shrink:0}h1,h2,h3,p{margin-top:0}.hero h1{font-family:var(--serif);font-weight:500;letter-spacing:-2.7px;font-size:64px;line-height:1.3;margin:0 0 26px}.hero-description{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:30px}.hero-actions{display:flex;gap:15px;align-items:center}.button{display:inline-flex;justify-content:center;align-items:center;gap:29px;font-size:13px;padding:14px 23px;border-radius:3px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--green);color:var(--paper)}.quiet{padding-left:8px;gap:15px}.hero-note{font-size:10px;letter-spacing:1px;color:var(--muted);margin:27px 0 0}.document-composition{position:relative;width:100%;height:465px;display:flex;align-items:flex-start;justify-content:center;padding-top:10px}.paper-back{position:absolute;width:290px;height:385px;top:31px;left:calc(50% - 145px);border:1px solid #d7d8cb;background:#e8e9df;border-radius:2px;transform:rotate(10deg)}.paper-back-two{transform:rotate(-9deg);background:#d8ddcf}.paper-back-one{transform:rotate(7deg)}.paper{position:relative;width:290px;height:385px;background:#fffef7;color:#29372b;box-shadow:0 15px 40px var(--shadow);padding:22px 24px;border:1px solid #e6e4d7;border-radius:2px;transform:rotate(-3deg)}.paper-top,.paper-foot{display:flex;justify-content:space-between;font-size:6px;letter-spacing:1px}.paper h2{font-family:Georgia,serif;font-size:33px;font-weight:400;line-height:1.08;letter-spacing:-1px;margin:30px 0 15px}.paper-line{width:24px;border-top:1px solid #6b7967;margin-bottom:10px}.paper p{font-family:Georgia,serif;font-size:10px;line-height:1.5;margin-bottom:17px;color:#7a8071}.paper-art{height:133px;background:#e7eadb;position:relative;overflow:hidden}.arch{position:absolute;border:1px solid #7b8f72;border-bottom:0;border-radius:100px 100px 0 0;width:104px;height:180px;top:22px;left:55px;transform:rotate(22deg)}.arch-two{left:118px;top:48px;transform:rotate(-10deg);background:#b2c0a4}.art-line{width:160px;position:absolute;border-top:1px solid #7b8f72;transform:rotate(-30deg);left:-14px;top:68px}.paper-art>span{font-family:Georgia,serif;position:absolute;bottom:9px;left:12px;font-size:10px;color:#4c6248}.paper-foot{margin-top:13px;letter-spacing:.5px}.reading-label{position:absolute;left:calc(50% - 120px);bottom:17px;min-width:340px;background:var(--white);border:1px solid var(--line);box-shadow:0 8px 22px var(--shadow);padding:17px;display:flex;align-items:center;gap:13px;border-radius:4px}.reading-label-icon{width:29px;height:34px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--green)}.reading-label strong{font-size:11px;font-weight:600;display:block}.reading-label div>span{font-size:9px;display:block;color:var(--muted);margin-top:2px}.small-status,.planned-status{font-size:9px;white-space:nowrap;line-height:1.6;border:1px solid var(--line);border-radius:2px;padding:2px 6px;display:inline-flex}.small-status{color:var(--green);background:var(--tint)}.reading-label .small-status{margin-left:auto}.section-divider{display:flex;justify-content:space-between;position:relative;padding-top:17px;font-size:11px;color:var(--muted)}.section-divider:before{content:'';position:absolute;top:0;left:40px;right:40px;border-top:1px solid var(--line)}.mono{font-family:var(--mono);font-size:9px;letter-spacing:1px}.section-space{padding-top:90px;padding-bottom:90px}.capabilities{display:grid;grid-template-columns:1fr 1.6fr;gap:100px}.section-intro h2,.sdk-heading h2,.closing h2{font-family:var(--serif);font-weight:500;font-size:39px;letter-spacing:-1px;line-height:1.45;margin-bottom:22px}.section-intro p:not(.eyebrow){font-size:13px;color:var(--muted);max-width:245px;line-height:1.9}.capability-item{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);position:relative}.capability-item:first-child{border-top:1px solid var(--line)}.capability-number{font-family:var(--mono);font-size:10px;color:var(--muted);padding-top:4px}.capability-heading{display:flex;align-items:center;gap:12px;margin-bottom:10px}.capability-item h3{font-size:20px;font-weight:500;letter-spacing:-.3px;line-height:1.4;margin-bottom:0}.capability-item p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:12px;max-width:410px}.capability-meta{font-size:8px;letter-spacing:1.5px;color:var(--muted)}.capability-arrow{font-size:22px;margin-left:auto}.available:hover .capability-arrow{transform:translate(2px,-2px)}.available:hover h3{color:var(--green)}.sdk-section{background:var(--tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sdk-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}.sdk-heading .eyebrow{margin-bottom:17px}.sdk-heading h2{margin:0}.sdk-heading>p{font-size:12px;color:var(--muted);line-height:1.9;margin:0 0 8px}.sdk-configurator{display:grid;grid-template-columns:1fr 1.2fr;border:1px solid var(--line);border-radius:4px;overflow:hidden}.module-options{padding:13px;background:var(--paper);display:flex;flex-direction:column;gap:5px}.module-option{display:flex;align-items:center;gap:15px;background:transparent;padding:20px 16px;border-radius:3px;text-align:left;border:1px solid transparent;flex:1}.module-option.selected{background:var(--tint);border-color:var(--line)}.radio-mark{width:13px;height:13px;border:1px solid var(--muted);border-radius:50%;position:relative;flex-shrink:0}.selected .radio-mark{border-color:var(--green)}.selected .radio-mark:after{content:'';background:var(--green);border-radius:50%;position:absolute;inset:3px}.module-option strong{font-size:13px;font-weight:500;display:block;margin-bottom:5px}.module-option>span>span:not(.radio-mark){display:block;font-size:10px;color:var(--muted)}.module-option code{margin-left:auto;color:var(--muted);font-size:9px}.code-panel{background:var(--code);color:#e5eadf;padding:0 24px;min-width:0}.code-header{display:flex;align-items:center;justify-content:space-between;padding:19px 0;border-bottom:1px solid #3d4b40;font-family:var(--mono);font-size:9px;color:#aab7a5}.copy-button{background:transparent;color:inherit;border:1px solid currentColor;border-radius:2px;font-size:9px;padding:3px 9px}.code-panel pre{font-size:11px;line-height:2.1;overflow-x:auto;margin:26px 0 32px;padding-bottom:5px;color:#e1e8cd;font-family:var(--mono)}.code-note{display:flex;align-items:center;gap:8px;color:#b0bda8;font-size:9px}.code-note .status-dot{background:#aec497}.dependency-line{display:flex;align-items:center;gap:15px;font-size:12px;padding:19px 0;color:#9aa992;border-top:1px solid #3d4b40;margin-top:23px}.sdk-footnote{display:flex;align-items:flex-start;justify-content:space-between;gap:50px;margin-top:23px}.sdk-footnote>p{font-size:10px;color:var(--muted);line-height:1.9;max-width:610px;margin:0}.text-link{font-size:11px;display:inline-flex;gap:15px;white-space:nowrap}.principles .eyebrow{margin-bottom:40px}.principles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}.principles-grid article{border-top:1px solid var(--line);padding-top:24px}.principle-icon{display:block;font-size:27px;font-weight:300;color:var(--green);margin-bottom:16px}.principles h3{font-size:17px;font-weight:500;margin-bottom:12px}.principles p{font-size:12px;line-height:1.9;color:var(--muted);margin:0;max-width:280px}.closing{padding-top:47px;padding-bottom:60px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px}.closing .eyebrow{margin-bottom:16px}.closing h2{font-size:32px;margin:0}.site-footer{display:flex;align-items:center;gap:25px;padding-top:27px;padding-bottom:30px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.footer-brand{font-size:16px;color:var(--ink);font-weight:650;letter-spacing:-.5px}.site-footer>a:not(.footer-brand){margin-left:auto}.copyright{font-size:9px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:var(--paper);padding:9px 18px;font-size:12px;border-radius:3px;opacity:0;pointer-events:none;transition:.2s;z-index:30}.toast.visible{opacity:1;transform:translate(-50%,0)}
/* Documentation */
.docs-layout{display:grid;grid-template-columns:195px minmax(0,1fr);gap:70px;border-top:1px solid var(--line);padding-top:44px;padding-bottom:80px}.docs-sidebar{position:sticky;top:35px;align-self:start;display:flex;flex-direction:column;gap:10px;font-size:12px}.docs-sidebar strong{font-size:10px;letter-spacing:1.2px;margin-bottom:10px;color:var(--muted);font-weight:500}.docs-sidebar a{padding:5px 0}.docs-sidebar a:hover{color:var(--green)}.docs-sidebar .sidebar-divider{border-top:1px solid var(--line);margin:12px 0}.docs-content{max-width:800px;min-width:0}.docs-content h1{font-family:var(--serif);font-size:44px;line-height:1.3;font-weight:500;letter-spacing:-1px;margin:0 0 19px}.docs-lead{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:33px}.docs-content section{padding-top:30px;padding-bottom:22px;border-top:1px solid var(--line);scroll-margin-top:24px}.docs-content h2{font-size:23px;font-weight:500;letter-spacing:-.5px;line-height:1.5;margin-bottom:20px}.docs-content h3{font-size:15px;font-weight:600;margin:25px 0 12px}.docs-content p,.docs-content li{font-size:13px;line-height:1.95}.docs-content p{color:var(--muted)}.docs-content p code,.docs-content li code{font-family:var(--mono);font-size:11px;color:var(--ink);background:var(--tint);padding:2px 5px;border-radius:2px}.docs-content ul,.docs-content ol{padding-left:20px;color:var(--muted)}.docs-code{background:var(--code);color:#e5eadf;border-radius:3px;overflow:hidden;margin:16px 0 23px}.docs-code .code-header{padding:12px 18px;margin:0}.docs-code pre{padding:18px;margin:0;overflow-x:auto;font:11px/1.9 var(--mono);tab-size:4}.docs-callout{border-left:2px solid var(--green);padding:12px 17px;background:var(--tint);margin:20px 0}.docs-callout p{margin:0;font-size:12px;line-height:1.9}.table-scroll{overflow-x:auto;margin-bottom:22px}.docs-content table{border-collapse:collapse;width:100%;font-size:11px;text-align:left;min-width:480px}.docs-content th,.docs-content td{padding:13px 10px;border-bottom:1px solid var(--line);vertical-align:top}.docs-content th{font-size:10px;color:var(--muted);font-weight:500}.docs-content td:first-child{font-family:var(--mono);font-size:10px;color:var(--green)}.docs-content a:not(.button){text-decoration:underline;text-underline-offset:3px}.docs-end{padding-top:30px;color:var(--muted);font-size:10px}.doc-tag{display:inline-flex;border:1px solid var(--line);padding:3px 7px;border-radius:2px;font-size:9px;margin:0 5px 15px 0;color:var(--muted)}
@media(min-width:1600px){.hero{min-height:720px}.hero h1{font-size:72px}}
@media(max-width:1000px){.container{padding-left:28px;padding-right:28px}.header-inner{gap:25px}.hero{gap:0}.hero h1{font-size:51px}.document-composition{transform:scale(.9);transform-origin:center}.capabilities{gap:50px;grid-template-columns:1fr 1.5fr}.section-divider:before{left:28px;right:28px}.module-option{padding:17px 10px;gap:10px}.module-option code{display:none}.code-panel{padding:0 18px}.code-panel pre{font-size:10px}.sdk-heading h2{font-size:33px}.docs-layout{gap:35px;grid-template-columns:160px minmax(0,1fr)}}
@media(max-width:720px){.container{padding-left:23px;padding-right:23px}.site-header{height:82px}.brand{font-size:21px;gap:9px}.brand svg{width:22px;height:27px}.desktop-nav{display:none}.header-actions{margin-left:auto;gap:10px}.header-cta{display:none}.hero{display:flex;flex-direction:column;align-items:stretch;padding-top:45px;padding-bottom:35px;min-height:0}.hero h1{font-size:48px;letter-spacing:-2px}.hero .eyebrow{font-size:9px;margin-bottom:24px}.hero-description{font-size:14px;margin-bottom:25px}.hero-actions{gap:8px}.button{font-size:12px;padding:12px 18px;gap:20px}.quiet{gap:10px;padding-left:12px;padding-right:0}.hero-note{font-size:9px;margin-top:23px}.document-composition{width:100%;height:440px;margin-top:37px;transform:scale(.88);transform-origin:top center;margin-bottom:-45px}.reading-label{left:calc(50% - 150px);bottom:1px;min-width:325px}.section-divider{font-size:9px;gap:20px;padding-top:13px}.section-divider:before{left:23px;right:23px}.section-divider .mono{font-size:8px;white-space:nowrap}.section-space{padding-top:58px;padding-bottom:58px}.capabilities{display:block}.section-intro h2{font-size:34px}.section-intro p:not(.eyebrow){max-width:320px;font-size:12px}.section-intro .eyebrow{margin-bottom:20px}.capability-list{margin-top:29px}.capability-item{gap:15px;padding:24px 0}.capability-item h3{font-size:18px}.capability-item p{font-size:11px}.capability-meta{font-size:7px}.sdk-heading{display:block;margin-bottom:28px}.sdk-heading .eyebrow{font-size:9px}.sdk-heading h2{font-size:31px}.sdk-heading>p{font-size:11px;margin-top:15px}.sdk-configurator{display:block}.module-options{padding:10px}.module-option{padding:15px 11px;min-height:78px}.module-option code{display:block}.module-option strong{font-size:12px}.module-option>span>span:not(.radio-mark){font-size:10px}.code-panel{padding:0 18px}.code-panel pre{font-size:10px;line-height:2;margin:23px 0 27px}.sdk-footnote{display:block;margin-top:19px}.sdk-footnote .text-link{margin-top:18px}.sdk-footnote>p{font-size:10px}.principles-grid{display:block}.principles-grid article+article{margin-top:27px}.principle-icon{margin-bottom:10px}.principles p{max-width:100%}.principles .eyebrow{font-size:9px;margin-bottom:25px}.closing{align-items:flex-start;flex-direction:column;padding-top:32px;padding-bottom:38px;gap:23px}.closing h2{font-size:26px}.closing .eyebrow{font-size:8px}.site-footer{display:flex;flex-wrap:wrap;gap:13px;padding-top:22px;padding-bottom:25px;font-size:9px}.site-footer>span:not(.copyright){display:none}.site-footer>a:not(.footer-brand){margin-left:auto}.copyright{flex-basis:100%;font-size:8px}.docs-layout{display:block;padding-top:25px}.docs-sidebar{position:relative;top:auto;display:flex;flex-direction:row;gap:20px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:30px;font-size:10px}.docs-sidebar strong,.docs-sidebar .sidebar-divider{display:none}.docs-sidebar a{padding:0}.docs-content h1{font-size:35px}.docs-lead{font-size:13px}.docs-content h2{font-size:21px}.docs-content p,.docs-content li{font-size:12px}.docs-code pre{font-size:10px;padding:15px}.docs-content section{padding-top:25px;padding-bottom:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}