@charset "UTF-8";
:root{--ink:#171a2b;--muted:#697183;--blue:#4859ed;--blue-dark:#3747d0;--line:#e6e9f0;--surface:#f7f9fc;--radius:18px;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,summary,iframe{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #8192ff;outline-offset:5px}svg{display:block;width:20px;height:20px}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.4;letter-spacing:-.035em}::selection{background:#dce1ff}main>section[id]{scroll-margin-top:98px}.container{width:min(1184px,calc(100% - 80px));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:20px;z-index:100;background:#fff;border:2px solid var(--blue);padding:10px 20px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{height:86px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}.header-inner{display:flex;align-items:center;height:100%;gap:34px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--blue);color:#fff;display:flex;justify-content:center;align-items:center;font-size:26px;line-height:1;font-weight:700;letter-spacing:-5px;padding-right:5px}.brand-mark span{color:#c4ceff}.brand-copy{display:flex;flex-direction:column;gap:2px}.brand-name{font-size:17px;line-height:1.4;font-weight:750;letter-spacing:-.02em}.brand-chinese{font-size:13px;margin-left:9px;font-weight:500;color:#616779}.brand-sub{font-size:10px;line-height:1.4;color:#7e8595;letter-spacing:.09em}.nav-links{display:flex;gap:29px;margin-left:auto;align-items:center;font-size:13px;color:#5d6475}.nav-links a{padding:8px 0;position:relative;white-space:nowrap}.nav-links a:hover,.text-link:hover,.small-link:hover,.footer-links a:hover{color:var(--blue)}.nav-links a:hover:after{content:"";position:absolute;bottom:2px;left:0;right:0;height:2px;background:var(--blue)}.header-github{display:flex;align-items:center;gap:7px;border-left:1px solid var(--line);padding-left:26px;font-size:13px;font-weight:600}.header-github svg{width:18px;height:18px;fill:currentColor}.menu-toggle{display:none;background:none;border:0;width:34px;height:34px;padding:5px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:var(--ink);margin:5px 0}
.hero{display:grid;grid-template-columns:.89fr 1.11fr;align-items:center;gap:50px;padding-top:93px;padding-bottom:93px;position:relative}.hero-badge{display:inline-flex;align-items:center;gap:9px;background:#edf0ff;border:1px solid #dfe4ff;padding:5px 13px;border-radius:100px;font-size:11px;font-weight:550;color:#4855bb;letter-spacing:.025em}.status-dot{width:6px;height:6px;border-radius:50%;background:#5c6eee}.hero h1{font-size:62px;line-height:1.28;letter-spacing:-.05em;font-weight:800;margin-top:22px;margin-bottom:24px}.hero h1 span{color:var(--blue)}.hero-lead{font-size:14px;color:#687082;line-height:2.05;margin-bottom:29px}.hero-actions{display:flex;gap:12px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:13px;font-weight:600;min-height:47px;padding:12px 19px;border:1px solid transparent;border-radius:9px;line-height:1.35;cursor:pointer;transition:background .16s,transform .16s,box-shadow .16s}.button:hover{transform:translateY(-2px)}.button svg{height:17px;width:17px}.button-primary{color:#fff;background:var(--blue);box-shadow:0 4px 11px #4859ed1c}.button-primary:hover{background:var(--blue-dark);box-shadow:0 5px 20px #4859ed35}.button-secondary{background:#fff;border-color:#dce0ea;color:#505868}.button-secondary:hover{background:#f4f6ff;border-color:#adb8f5}.hero-platforms{display:flex;align-items:center;gap:12px;color:#7c8192;font-size:11px;margin-top:21px}.hero-platforms i{width:3px;height:3px;background:#b9bfcb;border-radius:50%}.hero-platforms .platform-note{padding-left:12px;border-left:1px solid var(--line)}.hero-disclaimer{font-size:10px;color:#949baa;margin-top:9px}.hero-visual{position:relative;min-width:0}.visual-glow{position:absolute;inset:-55px -35px -60px -40px;background:radial-gradient(ellipse at 55% 48%,#dce2ff 0,#eff1fd65 55%,transparent 73%);z-index:-1}.editor-showcase{border:1px solid #363947;border-radius:12px;overflow:hidden;background:#252834;box-shadow:0 23px 60px -15px #25284645;transform:rotate(-1deg)}.showcase-titlebar{display:flex;align-items:center;gap:14px;min-height:38px;padding:0 14px;color:#a6adbd;font-size:9px;background:#242733}.window-dots{display:flex;gap:5px}.window-dots i{width:7px;height:7px;border-radius:50%;background:#fb7e7b}.window-dots i:nth-child(2){background:#e5bd5b}.window-dots i:nth-child(3){background:#78b58a}.showcase-label{margin-left:auto;color:#c3c9d7;font-size:8px;border:1px solid #424653;border-radius:3px;line-height:1.8;padding:0 5px}.official-screenshot{width:100%;height:auto;aspect-ratio:1.6;object-fit:contain;background:#2d2c33}.showcase-bottom{display:flex;justify-content:space-between;gap:10px;font-size:9px;color:#9aa2b5;padding:9px 13px;align-items:center}.showcase-bottom>span{display:flex;align-items:center;gap:7px}.mini-dot{height:4px;width:4px;background:#8899f2;border-radius:50%}.showcase-bottom a{color:#a8b3cf}.floating-note{position:absolute;right:-12px;bottom:-25px;display:flex;gap:10px;align-items:center;background:#fff;padding:12px 17px;border:1px solid #e7eaf6;border-radius:11px;box-shadow:0 8px 30px #30395818;transform:rotate(1deg)}.floating-note-icon{color:#6959ee;font-size:28px;line-height:1}.floating-note strong,.floating-note small{display:block}.floating-note strong{font-size:11px}.floating-note small{color:#9298a7;font-size:9px;margin-top:2px}
.intro-strip{display:flex;justify-content:space-between;gap:24px;padding:24px 28px;background:#f7f8fc;border:1px solid #eceef5;border-radius:12px;font-size:12px;color:#687084;align-items:center}.intro-label{font-size:11px;color:#9398a6;letter-spacing:.08em}.intro-strip a{display:flex;align-items:center;gap:14px}.intro-strip a>span:last-child{font-size:16px;color:#9ba2b1;margin-left:12px}.strip-number{font-size:10px;letter-spacing:.06em;color:#a2a8b7;font-variant-numeric:tabular-nums}
.section{padding-top:87px;padding-bottom:25px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:32px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:.13em;color:#6c79c8;margin-bottom:12px;line-height:1.4}.section h2,.bottom-cta h2{font-size:32px;font-weight:720;letter-spacing:-.04em}.section-heading p:not(.eyebrow){color:var(--muted);font-size:12px;margin-top:12px;line-height:1.8}.text-link{color:#545e90;font-size:12px;font-weight:550;white-space:nowrap;padding-bottom:3px}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.download-card{border:1px solid var(--line);border-radius:var(--radius);padding:29px;transition:border-color .18s,box-shadow .18s;background:#fff}.download-card:hover{border-color:#aeb8f3;box-shadow:0 8px 28px #4553820b}.os-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:#f0f2fc;color:#5d68ad;font-size:31px;line-height:1;margin-bottom:21px}.windows-icon{display:grid;grid-template-columns:10px 10px;grid-template-rows:10px 10px;gap:3px;align-content:center;justify-content:center}.windows-icon i{background:#6974b8}.mac-icon{font-size:31px}.linux-icon{font-family:monospace;font-size:22px;letter-spacing:-.06em}.download-card h3{font-size:21px;letter-spacing:-.01em;font-weight:650}.download-card>p{color:#7f8698;font-size:11px;margin-top:7px}.download-meta{display:flex;justify-content:space-between;font-size:10px;color:#9299a8;margin-top:27px;margin-bottom:12px}.download-meta span:last-child{background:#f4f5f9;border:1px solid #eceef4;padding:0 5px;border-radius:3px;letter-spacing:.03em}.button-dark{background:#282d44;color:#fff;width:100%;justify-content:space-between;font-size:12px;border-radius:7px;min-height:42px}.button-dark:hover{background:#4556d6}.small-link{font-size:10px;color:#8890a3;display:block;margin-top:14px}.release-note{display:flex;gap:18px;color:#9298a8;font-size:10px;align-items:center;padding:18px 4px}.release-note>a{margin-left:auto;color:#6c789d}.release-version{display:flex;align-items:center;gap:7px}.release-version strong{font-size:9px;color:#567965;border:1px solid #dce8de;background:#f4f9f5;border-radius:4px;padding:1px 6px;font-weight:500}.alpha-note{display:flex;align-items:center;gap:13px;border:1px solid #eee9d8;background:#fbfaf5;color:#928269;border-radius:9px;padding:15px 18px;font-size:11px}.info-icon{display:flex;justify-content:center;align-items:center;width:19px;height:19px;flex-shrink:0;line-height:1;border:1px solid #c7baa0;border-radius:50%;font-family:Georgia,serif;font-style:italic;font-weight:bold}.alpha-note strong{color:#766754;font-weight:600}.alpha-note a{margin-left:auto;white-space:nowrap;color:#9a8765;font-size:10px}
.feature-section{margin-top:58px;background:#f8f9fd;padding:68px 0 64px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:42px;margin-top:42px}.feature-item{position:relative}.feature-icon{color:#717ece;height:46px;width:46px;font-size:39px;line-height:1;display:flex;align-items:center;margin-bottom:19px;font-family:Georgia,serif}.feature-icon.type-icon{font-size:36px}.type-icon span{font-size:25px;align-self:flex-end;margin-bottom:7px}.file-icon{font-size:12px;font-family:var(--font);border:1.5px solid #b1b8da;border-radius:4px;width:34px;height:41px;padding-left:4px;margin-top:5px;position:relative}.file-icon:before{content:"";position:absolute;right:-2px;top:-2px;width:9px;height:9px;background:#f8f9fd;border-left:1px solid #b1b8da;border-bottom:1px solid #b1b8da}.layers-icon{display:block;position:relative;font-size:42px;padding-left:1px;transform:rotate(-3deg)}.layers-icon span{position:absolute;top:12px;left:1px}.feature-item h3{font-size:16px;font-weight:600;letter-spacing:-.02em;margin-bottom:11px}.feature-item p{color:#7d8596;font-size:11px;line-height:1.9;max-width:230px}.feature-caption{display:block;font-size:9px;color:#a0a6b5;letter-spacing:.025em;margin-top:17px}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}.guide-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .16s}.guide-card:hover{box-shadow:0 12px 36px #5f6b9815}.guide-art{height:228px;background:linear-gradient(160deg,#bfd8eb,#dbe4ed 48%,#ead6c6);position:relative;overflow:hidden}.art-sun{position:absolute;width:110px;height:110px;border-radius:50%;background:#f3dbc3;right:70px;top:27px;box-shadow:0 0 60px #f7e5cb73}.art-mountain{position:absolute;width:100%;height:150px;left:0;bottom:-37px;background:#62747e;clip-path:polygon(0 28%,18% 48%,39% 12%,64% 49%,79% 43%,100% 0,100% 100%,0 100%)}.art-mountain-back{background:#9caeb6;bottom:4px;clip-path:polygon(0 38%,15% 49%,40% 8%,64% 39%,100% 30%,100% 100%,0 100%)}.art-word{position:absolute;left:28px;top:32px;font-size:32px;line-height:1.04;color:#fff;font-weight:750;letter-spacing:-.025em;text-shadow:0 2px 30px #7b8c9930}.art-chip{position:absolute;right:18px;bottom:17px;padding:5px 11px;border:1px solid #ffffff50;border-radius:5px;background:#5266723b;color:#eef3f7;font-size:9px;backdrop-filter:blur(7px)}.guide-card-body{padding:25px 28px}.guide-category{font-size:9px;letter-spacing:.035em;color:#8893bb;font-weight:550}.guide-card-body h3{font-size:20px;margin-top:10px;margin-bottom:10px;font-weight:650;letter-spacing:-.025em}.guide-card-body p{font-size:11px;color:#81899b;line-height:1.9}.guide-read{display:flex;justify-content:space-between;font-size:11px;font-weight:550;color:#6a74aa;margin-top:22px}.guide-list{display:flex;flex-direction:column;gap:17px}.guide-row{border:1px solid var(--line);border-radius:13px;padding:27px 24px;display:flex;align-items:center;gap:20px;flex:1;transition:background .16s,border-color .16s}.guide-row:hover{background:#f9faff;border-color:#bac2ef}.guide-row-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:26px;font-family:Georgia,serif;background:#f1f3fb;color:#8b95ba;border-radius:11px;flex-shrink:0}.guide-row-code{font-family:monospace;font-size:16px}.guide-row h3{font-size:15px;letter-spacing:-.02em;font-weight:600;margin:7px 0}.guide-row p{font-size:10px;color:#9299a8}.guide-arrow{margin-left:auto;color:#abb2c4;font-size:17px}
.comparison-section{padding-bottom:25px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}.comparison-table{width:100%;border-collapse:collapse;text-align:left;min-width:650px;font-size:12px}.comparison-table thead{background:#f7f8fc}.comparison-table th,.comparison-table td{padding:20px 26px;vertical-align:middle;border-bottom:1px solid var(--line)}.comparison-table tr:last-child>td,.comparison-table tr:last-child>th{border-bottom:0}.comparison-table th{font-weight:500;color:#727b8e}.comparison-table thead th{font-size:13px;color:#3d4559;padding-block:19px;white-space:nowrap}.comparison-table tbody th{font-size:11px;width:24%}.comparison-table tbody td{color:#798296;font-size:11px;line-height:1.8;width:38%}.comparison-table thead th:nth-child(2),.comparison-table td:nth-child(2){background:#f4f5fd66}.table-product-mark{display:inline-flex;align-items:center;justify-content:center;background:#5868db;color:#fff;width:23px;height:23px;border-radius:5px;font-size:12px;letter-spacing:-.08em;margin-right:5px}.table-tag{background:#e6eafa;color:#7485b7;font-size:8px;border-radius:4px;margin-left:7px;padding:3px 6px;vertical-align:middle}.positive{color:#5d9278}.comparison-footnote{font-size:10px;color:#9aa0ae;padding:15px 3px;line-height:1.9}.comparison-footnote a{color:#818aa7;text-decoration:underline;text-underline-offset:3px}
.playground-section{background:#f7f8fc;margin-top:56px;padding-top:68px;padding-bottom:53px}.local-badge{display:flex;align-items:center;gap:7px;background:#eaf3ed;border:1px solid #d8e8dc;color:#6e987d;border-radius:100px;padding:5px 12px;font-size:10px;white-space:nowrap}.local-badge span{font-size:12px}.editor-frame{display:block;width:100%;border:0;border-radius:15px;background:#191d2b;height:690px;box-shadow:0 15px 38px #26304714}.playground-note{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:16px;font-size:10px;color:#9198a9}.playground-note .text-link{font-size:10px}.faq-section{display:grid;grid-template-columns:1fr 1.75fr;gap:88px;padding-top:83px;padding-bottom:74px}.faq-intro h2{font-size:30px;line-height:1.5}.faq-intro>p:last-child{font-size:11px;color:#939aa9;margin-top:24px;line-height:2.2}.faq-intro a{color:#737ea6}.faq-list details{border-bottom:1px solid var(--line)}.faq-list details:first-child{border-top:1px solid var(--line)}.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;list-style:none;cursor:pointer;font-size:12px;font-weight:550;padding:19px 0;line-height:1.8}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:21px;font-weight:300;color:#9aa5bc;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{font-size:11px;color:#9198a9;line-height:2;padding:0 30px 23px 0}
.bottom-cta{background:#f1f3fc;border:1px solid #e5e8f6;border-radius:16px;padding:41px 45px;display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:75px}.bottom-cta .eyebrow{display:block;font-size:9px}.bottom-cta h2{font-size:24px;margin-top:10px}.bottom-cta h2 span{color:#6471ba}.bottom-cta p{color:#8b93a8;font-size:11px;margin-top:12px}.bottom-cta .button{font-size:12px;white-space:nowrap}.site-footer{border-top:1px solid var(--line);padding-top:42px;background:#fff}.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1.2fr 1fr;gap:45px;padding-bottom:35px}.site-footer .brand-mark{width:33px;height:33px;border-radius:9px;font-size:20px;letter-spacing:-4px;padding-right:4px}.site-footer .brand-name{font-size:13px}.site-footer .brand-sub{font-size:9px;letter-spacing:.02em}.footer-grid>div>p{font-size:10px;color:#9a9fad;line-height:1.9;margin-top:17px}.footer-links{display:flex;flex-direction:column;gap:11px;font-size:10px;color:#878fa3;padding-top:4px}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #eff0f5;color:#a1a7b5;font-size:9px;padding:17px 0 23px}
.article-page{padding-top:38px;padding-bottom:78px}.breadcrumb{display:flex;gap:8px;font-size:11px;color:#939bab;margin-bottom:37px}.breadcrumb a{color:#7682b2}.article-layout{display:grid;grid-template-columns:minmax(0,780px) 220px;gap:70px}.prose{max-width:780px;min-width:0;font-size:14px;color:#626c80;line-height:1.95}.prose h1{color:var(--ink);font-size:38px;line-height:1.45;margin:12px 0 19px}.prose .eyebrow{color:#7c86bb}.prose .article-meta,.article-meta{font-size:10px;color:#9aa3b3;margin-bottom:26px;line-height:1.8;padding-bottom:22px;border-bottom:1px solid var(--line)}.prose>p{margin:17px 0}.prose h2{font-size:23px;color:#293148;line-height:1.6;margin:40px 0 13px;scroll-margin-top:104px}.prose h3{font-size:17px;color:#39435a;margin:26px 0 12px;scroll-margin-top:104px}.prose a{color:#5669c4;text-decoration:underline;text-decoration-color:#c5ccef;text-underline-offset:4px}.prose strong{color:#35405a;font-weight:600}.prose ul,.prose ol{padding-left:25px;margin:17px 0}.prose li{padding-left:3px;margin:9px 0}.prose .callout{border:1px solid #e2e7f9;background:#f5f7fe;border-left:3px solid #8192de;padding:16px 20px;margin:24px 0;border-radius:7px;font-size:12px}.prose .callout p{margin:6px 0}.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.87em;background:#f0f2f8;border-radius:4px;padding:3px 5px;color:#5b688c}.prose .comparison-table{min-width:550px}.prose .comparison-table th,.prose .comparison-table td{padding:15px}.prose .table-wrap{margin:20px 0}.article-toc{grid-column:2;grid-row:1;align-self:start;position:sticky;top:126px;padding-left:21px;border-left:1px solid var(--line);font-size:11px;line-height:1.9;color:#949eaf}.article-toc h2,.article-toc h3{font-size:12px;font-weight:550;color:#626e85;letter-spacing:0;margin-bottom:15px}.article-toc ul,.article-toc ol{list-style:none;padding:0;margin:0}.article-toc li{margin:9px 0}.article-toc a:hover{color:var(--blue)}.article-layout .prose{grid-column:1;grid-row:1}.related-links{border-top:1px solid var(--line);margin-top:40px;padding-top:20px}.related-links a{display:inline-block;margin-right:22px;font-size:12px}.article-page>.prose{max-width:780px;margin-inline:auto}.prose .step-list li{padding-left:8px}.prose .step-list li::marker{color:#6a78bf;font-weight:700}
.article-lead{font-size:16px;line-height:1.9;color:#7c879c}.prose .source-note{font-size:11px;line-height:1.9;color:#96a0b3;margin-top:15px}.article-meta span{margin-left:18px}.article-toc>p{font-weight:600;color:#707c94;margin-bottom:13px}.article-toc .toc-back{display:inline-block;font-size:10px;margin-top:22px;color:#8a96b6}.related-links>a{display:flex;align-items:center;justify-content:space-between;margin:12px 0}.related-links .eyebrow{margin-bottom:18px}
@media(min-width:1500px){.container{width:1240px}.hero{gap:62px}.hero h1{font-size:68px}.hero-lead{font-size:15px}}
@media(max-width:1100px){.container{width:calc(100% - 56px)}.header-inner{gap:22px}.nav-links{gap:21px}.brand-chinese{display:block;margin:0;font-size:11px;line-height:1.5}.brand-sub{display:none}.hero{gap:30px;padding-block:74px}.hero h1{font-size:50px}.hero-lead{font-size:12px}.hero-actions{gap:8px}.hero-actions .button{font-size:11px;padding-inline:13px}.hero-actions .button svg{width:15px;height:15px}.header-github{padding-left:19px}.intro-strip{gap:15px;padding:21px;font-size:10px}.intro-strip a{gap:10px}.intro-strip a>span:last-child{margin-left:5px}.download-card{padding:24px}.guide-row{padding:22px 20px;gap:14px}.guide-row h3{font-size:13px}.feature-grid{gap:26px}.article-layout{gap:38px;grid-template-columns:minmax(0,1fr) 185px}}
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