@layer base,layout,components;
@layer base{
:root{color-scheme:dark;--bg:#171819;--panel:#222324;--line:#3b3c3d;--text:#f5f2ed;--muted:#b6b5b1;--red:#cb3034;--pink:#f4aaa5;--font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,.demo:focus-visible{outline:3px solid var(--pink);outline-offset:5px}img{max-width:100%;height:auto;display:block}p{line-height:1.85;color:var(--muted)}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.045em}h2{font-size:clamp(32px,4.6vw,62px);line-height:1.22}h3{font-size:24px;line-height:1.5}::selection{background:var(--red);color:white}button{color:inherit}kbd{display:inline-flex;align-items:center;justify-content:center;border:1px solid #555653;border-radius:6px;min-width:29px;min-height:28px;padding:3px 7px;background:#2b2c2d;color:#f3f1eb;font-family:inherit;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip{position:fixed;top:-100px;z-index:99;background:var(--red);padding:15px}.skip:focus{top:0}svg{display:block}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}[hidden]{display:none!important}
}
@layer layout{
.wrap{width:min(1360px,calc(100% - 96px));margin-inline:auto}.header{display:flex;align-items:center;gap:35px;min-height:105px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.brand img{width:44px;height:44px}.brand strong{font-size:27px;letter-spacing:-1.4px}.brand small{display:block;font-size:9px;letter-spacing:4px;color:var(--muted);margin-top:2px}.nav{display:flex;gap:28px;align-items:center;margin-left:auto}.nav a{font-size:14px;padding:12px 0;position:relative;color:#c6c5c0}.nav a:hover,.nav a[aria-current=page]{color:white}.nav a::after{content:"";position:absolute;bottom:2px;left:0;right:0;height:3px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .2s}.nav a:hover::after,.nav a[aria-current=page]::after{transform:scaleX(1)}.header-tag{font-size:10px;letter-spacing:1px;border-left:1px solid var(--line);padding-left:22px;color:var(--muted)}.mobile-menu{display:none}.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;padding:70px 0 75px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.16em;font-weight:600;color:var(--pink);display:block;margin-bottom:24px}.hero h1{font-size:clamp(40px,4.7vw,68px);font-weight:850;line-height:1.28;margin-bottom:24px}.hero h1 span{display:block}.hero h1 .red{color:#eb4549;position:relative;white-space:nowrap}.hero .lede{font-size:17px;max-width:490px;margin-bottom:33px}.hero-art{position:relative;transform:rotate(2deg);margin:0}.hero-art img{border-radius:38px;width:100%;box-shadow:13px 15px 0 #0f1011}.hero-art figcaption{display:flex;justify-content:space-between;margin-top:26px;gap:20px;font-size:11px;color:var(--muted);letter-spacing:1px}.art-tag{position:absolute;bottom:40px;left:-30px;background:#ece6dd;color:#242323;padding:16px 23px;transform:rotate(-7deg);font-size:17px;font-weight:800;box-shadow:5px 6px 0 #0005}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;background:var(--red);border:1px solid transparent;border-radius:13px;padding:17px 27px;font-weight:700;min-height:55px;transition:background .2s,transform .2s}.button:hover{background:#dd373b;transform:translateY(-2px)}.button.secondary{background:transparent;border-color:#575855}.button.secondary:hover{background:#252627}.hero-actions{display:flex;gap:15px;flex-wrap:wrap}.hero-meta{font-size:12px;line-height:1.7;margin:16px 0 0}.format-strip{border-block:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;color:var(--muted)}.format-strip strong{color:var(--text)}.format-strip span:nth-child(2){word-spacing:13px;letter-spacing:1px;font-size:11px}.section{padding:100px 0;border-bottom:1px solid var(--line)}.section-head{display:grid;grid-template-columns:1.2fr 1fr;gap:90px;align-items:end;margin-bottom:45px}.section-head h2{margin-bottom:0}.section-head p{margin:0;max-width:410px;font-size:16px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:55px;margin-top:60px}.step-num{font-size:13px;color:var(--pink);display:block;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:24px}.step h3{margin-bottom:13px}.step p{font-size:14px}.workflow-note{margin:23px 0 0;font-size:12px}.feature-tabs{display:flex;gap:30px;margin:0 0 22px;overflow:auto;white-space:nowrap}.feature-tab{background:transparent;border:0;border-bottom:3px solid transparent;padding:15px 0 12px;color:var(--muted);font-size:14px}.feature-tab[aria-selected=true]{border-color:var(--red);color:white}.feature-tab span{font-size:10px;color:var(--pink);margin-right:8px}.showcase{display:grid;grid-template-columns:1.7fr 1fr;gap:50px;align-items:center}.showcase h3{font-size:34px;line-height:1.3;margin-bottom:19px}.showcase p{font-size:14px}.text-link{color:var(--pink);display:inline-flex;align-items:center;gap:15px;min-height:44px;font-size:14px}.source-note{font-size:11px!important;color:#999a97}.closing{display:grid;grid-template-columns:1fr auto;align-items:center;gap:35px;border:0;padding:85px 0}.closing h2{margin:0;font-size:clamp(33px,4vw,55px)}.footer{padding:38px 0;display:flex;gap:30px;align-items:center;font-size:12px;color:var(--muted)}.footer .signature{margin-right:auto}.signature strong{display:block;color:white;font-size:24px;margin-bottom:6px}.footer nav{display:flex;gap:25px}.page-head{padding:70px 0 45px;border-bottom:1px solid var(--line)}.page-head h1{font-size:clamp(38px,5vw,70px);line-height:1.2;margin-bottom:20px}.page-head p{max-width:700px;font-size:17px}.article-grid{display:grid;grid-template-columns:235px 1fr;gap:70px;padding:50px 0 80px}.toc{align-self:start;position:sticky;top:30px}.toc a{display:block;padding:12px 0;font-size:13px;color:var(--muted)}.toc a:hover{color:var(--pink)}.article section{padding:12px 0 35px;border-bottom:1px solid var(--line);margin-bottom:35px}.article h2{font-size:30px}.article p,.article li{font-size:15px;line-height:1.9;color:var(--muted)}.article ul{padding-left:20px}.article li{margin-bottom:9px}.key-table{width:100%;border-collapse:collapse;font-size:14px}.key-table th{text-align:left;color:var(--muted);font-weight:400}.key-table td,.key-table th{border-bottom:1px solid var(--line);padding:15px 8px;vertical-align:top}.faq details{border-bottom:1px solid var(--line);padding:23px 0}.faq summary{font-size:18px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq summary::after{content:'＋';color:var(--pink)}.faq details[open] summary::after{content:'−'}.faq p{margin:17px 0 0;max-width:790px;font-size:14px}.download-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;padding:60px 0 70px;align-items:start}.download-box{background:#232425;border:1px solid #424342;border-radius:25px;padding:35px}.download-box img{width:75px;height:75px;margin-bottom:25px}.download-box h2{font-size:32px;margin-bottom:8px}.download-box .button{width:100%;margin:23px 0 13px}.download-box p{font-size:13px}.download-box .checksum{font-size:10px;word-break:break-all}.download-side h3{font-size:22px;margin:0 0 14px}.download-side ol{padding-left:22px;color:var(--muted);font-size:14px;line-height:1.9}.download-side li{margin:0 0 18px;padding-left:5px}.notice{background:#282627;border-left:3px solid var(--red);padding:18px 22px;font-size:13px;line-height:1.9;color:#ccc7c2}.update{display:grid;grid-template-columns:170px 1fr;gap:50px;padding:42px 0;border-bottom:1px solid var(--line)}.update time{color:var(--pink);font-size:13px}.update h2{font-size:28px}.update p{font-size:14px;max-width:800px}.update ul{color:var(--muted);font-size:14px;line-height:2}.full-demo{padding:50px 0 80px}.full-demo>p{font-size:14px}.guide-shortcuts{display:flex;gap:15px;flex-wrap:wrap;align-items:center;padding:22px 0;color:var(--muted);font-size:12px}
@media(min-width:1700px){.hero{padding-top:95px;padding-bottom:95px}.hero h1{font-size:76px}}@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.hero{gap:35px}.header{gap:20px}.nav{gap:18px}.header-tag{display:none}.hero h1{font-size:clamp(36px,5vw,53px)}.showcase{gap:30px;grid-template-columns:1.5fr 1fr}.showcase h3{font-size:28px}.section-head{gap:45px}.article-grid{gap:35px;grid-template-columns:170px 1fr}.steps{gap:30px}.download-grid{gap:40px}}@media(max-width:700px){.wrap{width:calc(100% - 36px)}.header{min-height:82px}.brand strong{font-size:24px}.brand img{width:38px;height:38px}.nav{display:none}.mobile-menu{display:block;margin-left:auto;position:relative}.mobile-menu summary{list-style:none;padding:12px;font-size:14px;cursor:pointer}.mobile-menu nav{position:absolute;right:0;top:44px;z-index:20;background:#262728;border:1px solid #484947;border-radius:12px;min-width:175px;padding:10px;box-shadow:0 16px 35px #0008}.mobile-menu nav a{display:block;padding:13px}.hero{grid-template-columns:1fr;gap:45px;padding:44px 0 50px}.hero h1{font-size:clamp(36px,9vw,52px)}.hero .lede{font-size:15px}.hero-art{width:88%;justify-self:center}.hero-art img{border-radius:30px}.art-tag{font-size:14px;left:-18px;bottom:30px}.hero-art figcaption{font-size:9px;letter-spacing:.2px}.format-strip{flex-wrap:wrap;padding:19px 0;gap:12px}.format-strip span:nth-child(2){width:100%;order:3;font-size:10px;word-spacing:8px}.section{padding:60px 0}.section-head{grid-template-columns:1fr;gap:24px;margin-bottom:30px}.section-head p{font-size:14px}.steps{grid-template-columns:1fr;gap:22px;margin-top:35px}.step-num{margin-bottom:15px;padding-bottom:10px}.step h3{font-size:22px}.step p{margin-bottom:0}.showcase{grid-template-columns:1fr;gap:30px}.feature-tabs{gap:23px}.closing{grid-template-columns:1fr;gap:25px;padding:55px 0}.closing .button{justify-self:start}.footer{flex-wrap:wrap;padding:30px 0;gap:22px}.footer .signature{width:100%}.footer nav{gap:20px}.page-head{padding:40px 0 25px}.page-head p{font-size:14px}.article-grid{grid-template-columns:1fr;padding-top:25px;gap:30px}.toc{position:static;display:flex;flex-wrap:wrap;gap:0 20px;border-bottom:1px solid var(--line);padding-bottom:15px}.toc a{padding:9px 0;font-size:12px}.article h2{font-size:26px}.key-table td,.key-table th{padding:12px 5px;font-size:12px}.download-grid{grid-template-columns:1fr;gap:40px;padding:35px 0}.download-box{padding:25px}.update{grid-template-columns:1fr;gap:15px}.full-demo{padding-top:30px}.faq summary{font-size:16px}}
}
@layer components{
.demo{position:relative;aspect-ratio:16/9;border-radius:22px;overflow:hidden;background:#050505;outline:none;isolation:isolate}.demo-scene{width:100%;height:100%;object-fit:cover;user-select:none;pointer-events:none}.demo-white{position:absolute;inset:0;background:white;opacity:0;pointer-events:none;transition:opacity .25s}.demo[data-mode=draw] .demo-white{opacity:var(--white,.3)}.draw-canvas{position:absolute;inset:0;display:block;width:100%;height:100%;touch-action:none;cursor:ew-resize}.demo[data-mode=draw] .draw-canvas{cursor:crosshair}.demo .frame-number{position:absolute;top:15px;left:18px;pointer-events:none;font-size:10px;letter-spacing:1px;color:#292728;background:#eee8dfb0;padding:5px 8px;border-radius:4px}.demo-top{position:absolute;top:0;right:0;padding:13px 16px;display:flex;gap:15px;opacity:0;transform:translateY(-5px);transition:.2s;background:linear-gradient(#0004,transparent)}.demo:hover .demo-top,.demo:focus-within .demo-top{opacity:1;transform:none}.demo-top button{border:0;background:none;padding:7px;color:#151515}.demo-top button[aria-pressed=true]{color:var(--red)}.demo-seek{position:absolute;bottom:15px;left:7%;right:7%;opacity:0;transition:opacity .25s;filter:drop-shadow(0 1px 5px #000c)}.demo[data-active=true] .demo-seek,.demo:focus-within .demo-seek{opacity:.65}.demo-seek:hover,.demo-seek:focus-within{opacity:1!important}.demo-seek input{width:100%;margin:0;height:26px;background:transparent;appearance:none;cursor:pointer}.demo-seek input::-webkit-slider-runnable-track{height:7px;background:#fff8;border-radius:20px;transition:height .2s}.demo-seek input::-moz-range-track{height:7px;background:#fff8;border-radius:20px}.demo-seek input::-webkit-slider-thumb{appearance:none;width:13px;height:13px;background:white;border-radius:50%;margin-top:-3px;transition:transform .2s}.demo-seek:hover input::-webkit-slider-thumb{transform:scale(1.25);box-shadow:0 0 10px white}.demo-seek input::-moz-range-thumb{border:0;background:white;width:13px;height:13px;border-radius:50%}.demo-center{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;opacity:0;transition:opacity .2s}.demo-center.show{opacity:1}.demo-center span{font-size:32px;color:white;text-shadow:0 2px 10px #000b}.demo-label{position:absolute;left:17px;bottom:46px;background:#191a19bb;color:white;font-size:10px;letter-spacing:1px;padding:6px 9px;border-radius:6px;pointer-events:none}.demo-wheel{position:absolute;top:35%;left:42%;display:flex;gap:18px;padding:15px;border-radius:60px;background:#272728ec;box-shadow:0 10px 40px #0006}.demo-wheel button{width:53px;height:53px;display:grid;place-items:center;background:#ece8e0;color:#252525;border:2px solid transparent;border-radius:50%}.demo-wheel button[aria-pressed=true]{border-color:var(--red);color:var(--red)}.demo-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 0}.demo-controls button{padding:9px 13px;border:1px solid #4a4b48;background:#252627;border-radius:8px;font-size:12px;min-height:38px}.demo-controls button:hover{background:#303132}.demo-controls .tool-status{margin-left:auto;font-size:11px;color:var(--pink)}.opacity-control{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted);padding:5px 0}.opacity-control input{width:90px;accent-color:var(--red)}.demo-caption{color:#aaa9a4;font-size:11px;line-height:1.8}.guide-nav{display:flex;gap:30px;align-items:center;flex-wrap:wrap}.guide-nav a{color:var(--pink);font-size:13px;padding:15px 0}.badge{display:inline-flex;border:1px solid #4e4c49;padding:6px 10px;border-radius:30px;font-size:10px;letter-spacing:1px;color:#c9c6c0;margin:6px 4px 6px 0}.download-progress{height:5px;border-radius:10px;overflow:hidden;background:#484844;margin-top:15px}.download-progress span{display:block;background:var(--pink);height:100%;width:0;transition:width .2s}.small{font-size:12px!important}.hint-line{border-bottom:1px solid var(--line);display:flex;justify-content:space-between;padding:17px 0;gap:20px;font-size:13px;color:var(--muted)}.hint-line strong{color:#e9e7df;font-weight:500}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}@media(max-width:700px){.demo-top{opacity:1;transform:none;padding:5px 7px;gap:6px}.demo-top button{padding:6px}.demo-top .icon{width:19px;height:19px}.demo{border-radius:15px}.demo-wheel{left:calc(50% - 80px);top:35%;gap:12px;padding:10px}.demo-wheel button{width:45px;height:45px}.demo-seek{bottom:7px;left:5%;right:5%}.demo-label{bottom:36px;font-size:8px}.demo .frame-number{top:10px;left:10px;font-size:8px}.demo-controls .tool-status{margin-left:0}.demo-controls{gap:7px}.demo-controls button{font-size:11px;padding:7px 10px}}
}