:root{color-scheme:dark;--bg: #080d14;--surface: #101a25;--text: #f3f6fa;--muted: #8d9baa;--border: #ffffff12;--accent: #6ef4de;--header-height: 82px;font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.8;font-synthesis:none;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-decoration:none;text-underline-offset:4px;transition:color .16s ease,border-color .16s ease}a:hover{color:#a8fff0}button,summary{font:inherit;cursor:pointer}button{color:var(--text);border:1px solid #ffffff20;background:transparent;border-radius:8px;padding:8px 14px}button:hover{color:var(--accent);border-color:#6ef4de70}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{color:var(--text);background:#285b56}html{scroll-padding-top:110px;scrollbar-color:#41665f #080d14;scrollbar-width:thin}.skip{position:fixed;top:-100px;left:20px;z-index:50;padding:10px;background:var(--bg)}.skip:focus{top:12px}.site-header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 max(32px,calc((100vw - 1360px)/2 + 32px));position:sticky;top:0;z-index:20;background:#080d14eb;-webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--border)}.brand{display:flex;gap:22px;align-items:center;flex-shrink:0}.brand img{width:150px;height:auto}.brand span{border-left:1px solid #ffffff20;padding-left:22px;color:#aab5c2;font-size:11px;letter-spacing:.14em}.header-actions{display:flex;align-items:center;gap:28px}.platform-link{font-size:12px;color:#aab5c2}.platform-link span{margin-left:8px}.languages{display:flex;gap:16px;padding-left:26px;border-left:1px solid var(--border);font-size:12px}.toggle{display:none}.shell{display:grid;grid-template-columns:224px minmax(0,1fr);max-width:1360px;margin:auto;align-items:start}.sidebar{position:sticky;top:var(--header-height);height:calc(100dvh - var(--header-height));overflow-y:auto;padding:38px 24px 24px 32px;border-right:1px solid var(--border);display:flex;flex-direction:column}.nav-group+.nav-group{margin-top:32px}.label{font-size:10px;font-weight:600;color:#667b8d;letter-spacing:.14em;margin:0 0 14px}nav a{color:var(--muted)}nav a:hover{color:var(--accent)}.sidebar nav,.mobile-menu nav{display:flex;flex-direction:column}.sidebar nav a{display:flex;justify-content:space-between;gap:8px;padding:9px 0;font-size:12px;line-height:1.6}a[aria-current=page],.nav-marker{color:var(--accent)}.sidebar-bottom{display:flex;gap:10px;align-items:center;border-top:1px solid var(--border);padding-top:20px;margin-top:auto}.sidebar-bottom p{font-size:10px;line-height:1.7;margin:0;color:#667b8d}main{padding:38px 48px 20px;min-width:0;width:100%;max-width:960px;margin:0 auto;min-height:calc(100vh - var(--header-height))}main:focus{outline:none}.content{overflow-wrap:anywhere}.article-breadcrumb{display:flex;gap:12px;align-items:baseline;color:#6c8092;font-size:11px;margin-bottom:30px}.article-breadcrumb a{color:var(--muted)}.article-breadcrumb>:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}h1,h2,h3{line-height:1.35;font-weight:600;scroll-margin-top:110px}h1{font-size:clamp(30px,3vw,40px);letter-spacing:-.04em;margin:0 0 28px}h2{font-size:23px;letter-spacing:-.025em;margin:46px 0 18px;padding-top:28px;border-top:1px solid var(--border)}h3{font-size:17px;margin:30px 0 12px}p,li{font-size:14px;line-height:1.9;color:#b8c5d1}p{margin:18px 0}li{margin:8px 0}li::marker{color:#70889b}ul,ol{padding-left:22px}strong{color:#e3ecf2}.content>p:first-of-type{color:var(--muted)}.content p a:hover,.content li a:hover,footer a:hover{text-decoration:underline}.eyebrow{font-size:10px;font-weight:600;color:var(--accent);letter-spacing:.16em;margin:0 0 20px}.header-anchor{font-size:.7em;margin-left:8px;opacity:0}h2:hover .header-anchor,h3:hover .header-anchor,.header-anchor:focus{opacity:1}.header-anchor:before{content:"#"}blockquote{margin:24px 0;padding:1px 20px;border-left:2px solid var(--accent);background:var(--surface);border-radius:0 10px 10px 0}img{max-width:100%;height:auto}.content img{border-radius:12px}table{display:block;width:max-content;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:12px;margin:26px 0;border:1px solid var(--border);border-radius:10px}th,td{border-bottom:1px solid var(--border);padding:14px 18px;text-align:left;line-height:1.8;color:#b8c5d1}th{background:var(--surface);color:#e3ecf2;font-weight:600}tr:last-child td{border-bottom:0}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88em}p code,li code{padding:3px 6px;color:#a5e8dc;background:var(--surface);border:1px solid var(--border);border-radius:4px}div[class*=language-]{position:relative;background:#0d1721;border:1px solid #ffffff14;border-radius:12px;margin:26px 0;overflow:hidden}pre{overflow-x:auto;padding:24px;margin:0;line-height:1.8}pre code{display:block;min-width:fit-content}.line-numbers-wrapper,.lang,button.copy{display:none}.vp-code span{color:var(--shiki-dark, var(--text))}footer{border-top:1px solid var(--border);margin-top:58px;padding:24px 0 8px;color:#667b8d;font-size:10px}footer nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:14px;font-size:11px}.outline,.mobile-menu{display:none}.home-layout main{max-width:none;padding-top:0}.home-hero{position:relative;display:flex;align-items:center;min-height:360px;padding:58px 0 46px;isolation:isolate}.home-hero:before{content:"";position:absolute;z-index:-1;top:0;right:-32px;bottom:-20px;left:-32px;pointer-events:none;background:radial-gradient(ellipse at 80% 40%,#6ef4de0c,transparent 65%)}.hero-copy{position:relative;z-index:1;max-width:620px}.status-dot{display:inline-block;width:5px;height:5px;margin:0 6px 2px 0;border-radius:50%;background:var(--accent);box-shadow:0 0 12px #6ef4de50}.home-hero h1{font-size:clamp(34px,3.65vw,48px);letter-spacing:-.045em;margin-bottom:20px}.home-hero h1 span{color:var(--accent)}.hero-description{max-width:470px;color:#9cabb9;font-size:14px;line-height:1.9}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px 24px;margin-top:28px}.primary-action{display:inline-flex;align-items:center;gap:24px;padding:11px 18px;background:var(--accent);color:#08251f;border:1px solid var(--accent);border-radius:9px;font-size:12px;font-weight:600}.primary-action:hover{color:#08251f;border-color:#ecfffa;text-decoration:underline}.text-action{font-size:12px;color:#c1ced7}.text-action span{margin-left:10px}.hero-symbol{position:absolute;right:0;width:230px;height:250px;display:grid;place-items:center;z-index:-1}.hero-symbol img{width:90px;filter:drop-shadow(0 0 32px #6ef4de35);transform:rotate(-8deg)}.orbit{position:absolute;width:200px;height:200px;border:1px solid #6ef4de16;border-radius:50%}.orbit-one{transform:rotate(-35deg) scaleY(.56)}.orbit-two{transform:rotate(40deg) scaleY(.7);width:230px;height:230px}.symbol-label{position:absolute;bottom:8px;font-family:monospace;font-size:8px;letter-spacing:.17em;color:#658d88}.home-section{padding-top:10px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2{border:0;padding:0;margin:0;font-size:19px}.section-heading>span{color:#667b8d;font-size:10px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.card{display:flex;flex-direction:column;min-width:0;padding:22px;border:1px solid #ffffff12;border-radius:14px;background:#101a25;color:var(--text);transition:border-color .16s,transform .16s}.card:hover{border-color:#6ef4de55;transform:translateY(-2px)}.card-top{display:flex;justify-content:space-between;align-items:center}.card-icon{width:32px;height:32px;border:1px solid #6ef4de25;border-radius:9px;display:grid;place-items:center;color:var(--accent);font-size:18px}.card-number{font:10px monospace;color:#5b7082}.card h3{margin:24px 0 10px;font-size:15px;letter-spacing:-.02em}.card p{font-size:12px;line-height:1.8;color:#8d9baa;margin:0 0 22px}.card-link{display:flex;justify-content:space-between;color:#a2b4c1;font-size:11px;margin-top:auto}.card:hover .card-link{color:var(--accent)}.home-resources{margin-top:40px;padding-top:30px;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr;gap:40px}.home-resources .eyebrow{font-size:9px;margin-bottom:12px}.home-resources h2{padding:0;margin:0;border:0;max-width:300px;font-size:23px}.home-resources p:not(.eyebrow){font-size:12px;color:var(--muted)}.home-resources nav{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;align-content:start}.home-resources nav a{display:flex;justify-content:space-between;gap:8px;padding:14px 0;border-bottom:1px solid var(--border);font-size:11px;color:#b8c5d1}.home-resources nav a:hover{color:var(--accent)}.home-resources nav span{color:#5e7e86}.scope-note{font-size:10px;color:#63798c;margin-top:26px}@media (min-width: 1280px){.has-outline{grid-template-columns:224px minmax(0,1fr) 190px}.outline{display:flex;flex-direction:column;position:sticky;top:calc(var(--header-height) + 44px);max-height:calc(100dvh - var(--header-height) - 80px);overflow-y:auto;border-left:1px solid var(--border);padding:0 20px;margin-top:44px}.outline .label{font-size:9px}.outline nav{display:flex;flex-direction:column;gap:12px}.outline nav a{font-size:10px;line-height:1.65}.outline-top{font-size:10px;color:#667b8d;margin-top:28px}}@media (max-width: 1150px){main{padding-right:32px;padding-left:32px}.hero-symbol{opacity:.3;right:12px}.hero-copy{max-width:540px}.card{padding:18px}.cards{gap:10px}}@media (max-width: 900px){:root{--header-height: 72px}.site-header{padding:0 24px}.shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:30px 18px 20px 24px}.sidebar nav a{font-size:11px}.cards{grid-template-columns:1fr}.card{padding:20px}.card h3{margin-top:18px}.hero-symbol{display:none}.home-resources{grid-template-columns:1fr;gap:12px}.section-heading>span{display:none}.home-hero h1{font-size:36px}}@media (max-width: 700px){:root{--header-height: 68px}.site-header{padding:env(safe-area-inset-top,0px) 20px 0}.brand{gap:14px}.brand img{width:126px}.brand span{padding-left:14px;font-size:9px}.languages,.sidebar,.platform-link{display:none}.toggle{display:block;min-height:40px;font-size:12px}.shell{display:block}main{padding:28px 22px 20px}h1{font-size:30px}h2{font-size:21px;padding-top:24px;margin-top:36px}p,li{font-size:14px}.article-breadcrumb{margin-bottom:24px;font-size:10px}.home-hero{min-height:0;padding:42px 0 38px}.home-hero:before{top:0;right:-22px;bottom:0;left:-22px}.home-hero h1{font-size:clamp(30px,8vw,42px)}.hero-description{font-size:13px}.eyebrow{font-size:9px}.hero-actions{gap:20px}.primary-action{padding:10px 16px}.home-section{padding-top:4px}.home-resources{margin-top:30px;padding-top:28px}.home-resources h2{font-size:23px}.home-resources nav{column-gap:18px}.card{padding:22px}.mobile-menu{display:block;position:fixed;top:var(--header-height);left:16px;right:16px;max-height:calc(100dvh - var(--header-height) - 16px);overflow-y:auto;overscroll-behavior:contain;z-index:30;padding:14px 20px 20px;background:#111b25f5;-webkit-backdrop-filter:blur(24px) saturate(160%);backdrop-filter:blur(24px) saturate(160%);border:1px solid #ffffff12;border-radius:16px;box-shadow:0 16px 40px #0005}.mobile-menu nav a{padding:10px 0;font-size:13px}.mobile-menu details{margin-top:14px;padding-top:16px;border-top:1px solid var(--border)}.mobile-menu summary{font-size:12px;color:#c1ced7}.mobile-menu details a{display:block;padding:9px 0;font-size:12px;color:var(--muted)}.mobile-menu a:hover{color:var(--accent)}footer{margin-top:36px;padding-bottom:env(safe-area-inset-bottom,0px)}footer nav{gap:8px 16px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}