:root{color-scheme:dark;--bg:#06090e;--ink:#eef5fc;--muted:#a8b7c9;--blue:#add0eb;--pink:#efbfd3;--line:#bed4ed27;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-synthesis:none;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;line-height:1.7;background:radial-gradient(ellipse at 70% 8%,#0d253c38,transparent 33%),var(--bg)}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}a:hover{color:var(--blue)}:is(a,button,summary):focus-visible{outline:2px solid var(--pink);outline-offset:5px}[hidden]{display:none!important}::selection{background:var(--blue);color:#06182f}.wrap{width:min(1280px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:-100px;left:20px;background:var(--ink);color:var(--bg);padding:10px 20px;z-index:30}.skip:focus{top:16px}.header{min-height:104px;padding:28px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;border-bottom:1px solid #bed4ed10}.brand img{display:block;width:126px;height:auto}.header nav{display:flex;gap:30px;font-size:13px}.header-download{border:1px solid #bed4ed66;border-radius:999px;padding:10px 20px;display:flex;gap:24px;font-size:12px;align-items:center}.header-download span{font-size:17px}.hero{display:grid;grid-template-columns:.85fr 1.3fr;align-items:center;gap:50px;padding-block:85px 76px;min-height:660px}.version{color:var(--blue);font-size:12px;margin:0 0 26px;display:flex;align-items:center;gap:9px}.version>span{width:6px;height:6px;background:var(--pink);border-radius:50%}h1{font-weight:500;font-size:clamp(40px,4.2vw,61px);letter-spacing:-.035em;line-height:1.42;margin:0 0 26px}p{margin:0}.lead{font-size:15px;line-height:2;color:var(--muted)}.actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 22px;min-height:48px;border-radius:999px;font-size:13px;border:1px solid var(--line)}.light{background:#d6e9f7;color:#11283d;border-color:#d6e9f7}.light:hover{background:#f0f8ff;color:#06182f}.text-link{font-size:13px;display:inline-flex;gap:22px;align-items:center}.hero-note{font-size:11px;color:#9caec2;margin-top:21px}.hero-preview{margin:0;min-width:0;border:1px solid #c9def14a;border-radius:14px;padding:7px;background:#162131;box-shadow:0 25px 80px #0008}.hero-preview>img{display:block;width:100%;height:auto;border-radius:8px}.hero-preview figcaption{display:flex;gap:7px;align-items:center;font-size:10px;color:#bacbdd;padding:9px 7px 4px}.preview-dot{width:5px;height:5px;border-radius:50%;background:var(--blue)}.concepts{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--line);padding-block:30px;gap:30px}.concepts article{display:flex;align-items:flex-start;gap:16px;padding-right:20px}.concepts article+article{padding-left:28px;border-left:1px solid var(--line)}.concept-symbol{font-size:23px;color:var(--blue);line-height:1.4}.concepts h2{font-size:17px;font-weight:500;margin:0 0 8px}.concepts p{font-size:12px;color:var(--muted);line-height:1.9}.section{padding-block:95px}.eyebrow{font-size:12px;color:var(--blue);margin-bottom:14px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:35px}.section-heading h2,.collaboration h2{font-size:clamp(29px,3vw,41px);font-weight:500;line-height:1.5;letter-spacing:-.025em;margin:0}.section-heading>p{font-size:12px;line-height:1.9;color:var(--muted)}.tour-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:18px}.tour-tabs button{flex-shrink:0;background:transparent;border:1px solid var(--line);border-radius:999px;padding:10px 19px;color:var(--muted);font-size:12px;min-height:40px}.tour-tabs button[aria-selected=true]{background:var(--blue);border-color:var(--blue);color:#102538}.tour-panel{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,.85fr);gap:34px;align-items:start;border-top:1px solid var(--line);padding-top:24px}.tour-image-wrap{min-width:0}.tour-screen{position:relative;border:1px solid #c3d7e151;border-radius:10px;overflow:hidden;background:#edf2f7}.tour-screen>img{width:100%;height:auto;display:block}.tour-marker{position:absolute;transform:translate(-50%,-50%);width:26px;height:26px;display:grid;place-items:center;border-radius:50%;padding:0;border:2px solid #f2f8ff;background:#244e79;color:#fff;font-size:11px;box-shadow:0 2px 9px #0006;line-height:1}.tour-marker[aria-pressed=true]{background:#b95c88;scale:1.12}.image-footer{display:flex;justify-content:space-between;gap:16px;margin-top:11px;color:#9eb0c6;font-size:10px}.image-footer>a{white-space:nowrap;color:var(--blue)}.tour-entry{font-size:11px;line-height:1.9;color:var(--blue);margin:2px 0 13px}.tour-instructions h3{font-size:23px;font-weight:500;line-height:1.5;margin:0 0 12px}.tour-instructions>p:not(.tour-entry):not(.tour-hint){font-size:12px;color:var(--muted);line-height:1.9}.tour-points{margin-top:22px;display:grid;gap:10px}.tour-point{display:flex;gap:11px;align-items:flex-start;width:100%;text-align:left;padding:10px 0;background:none;border:0;border-bottom:1px solid var(--line);color:var(--ink)}.tour-point>span:first-child{flex:none;width:22px;height:22px;border:1px solid #9ebcdd55;border-radius:50%;display:grid;place-items:center;font-size:10px;color:var(--blue)}.tour-point strong{display:block;font-size:12px;font-weight:500}.tour-point small{display:block;font-size:11px;color:var(--muted);line-height:1.8;margin-top:3px}.tour-point[aria-pressed=true]>span:first-child{background:var(--pink);color:#231e30;border-color:var(--pink)}.tour-hint{margin-top:18px;padding:12px 14px;border-left:2px solid var(--blue);font-size:11px;line-height:1.9;color:#c0cede;background:#add0eb08}.noscript{margin-top:20px;font-size:13px}.getting-started{border-top:1px solid var(--line)}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:34px;row-gap:34px}.steps>li{display:flex;gap:17px;padding-top:22px;border-top:1px solid var(--line)}.step-number{font:400 32px/1.4 system-ui,sans-serif;color:#9cb7d3;flex:none;width:30px}.steps h3{font-size:16px;font-weight:500;margin:4px 0 10px}.steps p{font-size:12px;line-height:1.95;color:var(--muted)}.step-path{display:block;margin-top:13px;font-size:10px;line-height:1.8;color:#c1d3e7}.example{display:grid;grid-template-columns:1fr 1.6fr auto;gap:25px;align-items:center;margin-top:44px;padding:27px 30px;background:#add0eb08;border:1px solid var(--line);border-radius:10px}.example h3{font-size:16px;font-weight:500;margin:0 0 7px}.example p{font-size:11px;color:var(--muted)}.example blockquote{font-size:12px;line-height:1.95;margin:0;color:#cbd8e7}.example button{font-size:12px;border:1px solid #abc4e255;background:none;color:var(--ink);border-radius:999px;padding:11px 17px;white-space:nowrap}.example [role=status]{grid-column:2/-1;font-size:11px;color:var(--blue)}.example [role=status]:empty{display:none}.collaboration{display:grid;grid-template-columns:1fr 1.3fr;gap:80px;padding:62px 0;border-block:1px solid var(--line)}.collaboration>div>p:not(.eyebrow){font-size:12px;color:var(--muted);line-height:1.9;margin:19px 0}.collaboration dl{margin:0;display:grid;gap:0}.collaboration dl>div{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}.collaboration dl>div:first-child{padding-top:5px}.collaboration dl>div:last-child{border:0;padding-bottom:5px}.collaboration dt{font-size:15px}.collaboration dd{font-size:12px;color:var(--muted);margin:0;line-height:1.9}.faq{max-width:1000px}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:21px 26px 21px 0;list-style:none;position:relative;font-size:14px}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:'+';position:absolute;right:3px;top:20px;color:var(--blue);font-size:21px;line-height:1.3}.faq details[open] summary::after{content:'−'}.faq details>p{color:var(--muted);font-size:12px;line-height:2;padding:0 35px 24px 0;max-width:800px}.download{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:50px 44px;border:1px solid #b1cee345;border-radius:14px;background:#0b1723;margin-bottom:90px}.beta{display:inline-block;border:1px solid #efbfd34d;background:#efbfd30a;color:var(--pink);padding:4px 10px;border-radius:5px;font-size:10px;margin-bottom:16px}.download h2{font-size:27px;font-weight:500;line-height:1.5;margin:0 0 14px}.download p{font-size:12px;color:#c1d2e4}.download-note{margin-top:10px;font-size:11px!important;color:var(--muted)!important}.download-actions{display:flex;flex-direction:column;align-items:center;gap:15px;flex:none}.checksum{font-size:10px;text-decoration:underline;color:var(--muted)}.footer{display:flex;flex-wrap:wrap;gap:25px;align-items:center;padding:28px 0 35px;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.footer img{display:block;opacity:.75}.footer p{flex:1}.footer>div{display:flex;gap:23px}.footer>span{width:100%}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header{padding-inline:32px}.hero{gap:32px;grid-template-columns:1fr 1.2fr;padding-block:65px;min-height:590px}h1{font-size:43px}.lead{font-size:13px}.actions{gap:20px}.button{font-size:12px;padding:13px 18px;gap:18px}.tour-panel{grid-template-columns:minmax(0,1.7fr) minmax(240px,1fr);gap:25px}.steps{column-gap:25px}.example{grid-template-columns:1fr 1.4fr;padding:24px}.example button{grid-column:2;justify-self:start}.collaboration{gap:50px}.download{padding:35px 30px}.download h2{font-size:24px}}
@media(max-width:800px){html{scroll-padding-top:30px}.wrap{width:calc(100% - 48px)}.header{padding:23px 24px;min-height:84px;gap:18px}.header nav{display:none}.brand img{width:108px}.header-download{font-size:11px;padding:9px 14px;gap:16px}.hero{grid-template-columns:1fr;gap:36px;padding-block:42px 40px;min-height:0}.hero-copy{max-width:620px}h1{font-size:44px;line-height:1.38;margin-bottom:20px}.version{margin-bottom:19px;font-size:11px}.lead{font-size:13px;line-height:1.95}.actions{margin-top:25px}.hero-note{font-size:10px;margin-top:16px}.hero-preview{border-radius:9px;padding:5px}.hero-preview figcaption{font-size:9px}.concepts{grid-template-columns:1fr;padding-block:25px;gap:22px}.concepts article{padding:0;gap:14px}.concepts article+article{border-left:0;padding:0}.concepts h2{font-size:15px;margin-bottom:5px}.concepts p{font-size:11px}.section{padding-block:58px}.section-heading{display:block;margin-bottom:26px}.section-heading h2,.collaboration h2{font-size:29px;line-height:1.5}.section-heading>p{font-size:11px;margin-top:16px}.eyebrow{font-size:11px;margin-bottom:11px}.tour-tabs{margin-right:-24px;padding-right:24px;gap:7px}.tour-tabs button{padding:9px 14px;font-size:11px}.tour-panel{display:flex;flex-direction:column;gap:22px;padding-top:18px}.tour-image-wrap,.tour-instructions{width:100%}.tour-screen{border-radius:7px}.tour-marker{width:23px;height:23px;font-size:10px;border-width:1.5px}.image-footer{font-size:9px;line-height:1.8;gap:12px}.image-footer span{max-width:230px}.tour-entry{font-size:10px}.tour-instructions h3{font-size:22px}.tour-points{margin-top:18px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 16px}.tour-point strong{font-size:11px}.tour-point small{font-size:10px}.tour-point{gap:8px}.tour-hint{font-size:11px}.steps{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px;row-gap:22px}.step-number{font-size:27px;width:22px}.steps>li{gap:12px;padding-top:18px}.steps h3{font-size:14px}.steps p{font-size:11px}.step-path{font-size:9px}.example{display:flex;flex-direction:column;align-items:flex-start;gap:16px;padding:22px;margin-top:28px}.example blockquote{font-size:12px}.example [role=status]{font-size:10px}.collaboration{grid-template-columns:1fr;gap:26px;padding-block:37px}.collaboration>div>p:not(.eyebrow){font-size:11px}.collaboration dl>div{grid-template-columns:90px 1fr;gap:15px;padding:17px 0}.collaboration dt{font-size:13px}.collaboration dd{font-size:11px}.faq summary{font-size:13px;padding-block:19px}.faq details>p{font-size:11px;padding-right:15px}.download{display:block;padding:28px 24px;margin-bottom:50px}.download h2{font-size:23px}.download p{font-size:11px}.download-actions{align-items:flex-start;margin-top:25px}.footer{font-size:9px;gap:16px;padding-block:23px}.footer p{flex:auto}.footer>div{width:100%;gap:24px}.footer>span{width:auto}}
@media(max-width:420px){h1{font-size:38px}.desktop-break{display:none}.steps{grid-template-columns:1fr;gap:19px}.steps>li{gap:16px}.steps h3{font-size:15px}.steps p{font-size:12px}.step-path{font-size:10px}.tour-points{grid-template-columns:1fr}.tour-point strong{font-size:12px}.tour-point small{font-size:11px}.tour-marker{width:20px;height:20px;font-size:9px}.section-heading h2,.collaboration h2{font-size:27px}.hero .actions{gap:20px}.hero .button{font-size:11px;padding-inline:16px}.text-link{font-size:11px;gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}