:root {
  --bg:#f6f7fb;--panel:#fff;--panel-soft:#f9faff;--text:#161927;--muted:#687087;--muted-2:#9399aa;
  --line:#e7e9f1;--line-strong:#d9dce8;--brand:#6658f5;--brand-2:#7c6cff;--brand-soft:#eeecff;
  --blue:#3e7bfa;--green:#18a56b;--orange:#e9872f;--red:#db4d5e;--shadow:0 18px 60px rgba(30,35,70,.09);
  --radius:18px;--radius-sm:12px;--header:68px;--sidebar:270px;--toc:220px;--max:1440px;
  --sans:Inter,"SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg:#0b1020;--panel:#11172a;--panel-soft:#151c31;--text:#f4f5fb;--muted:#aab0c3;--muted-2:#788097;
  --line:#242c43;--line-strong:#313a54;--brand:#8d82ff;--brand-2:#a49cff;--brand-soft:#231f49;
  --blue:#6ca0ff;--green:#40c98f;--orange:#f0a457;--red:#f17886;--shadow:0 20px 70px rgba(0,0,0,.3);color-scheme:dark;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}img{max-width:100%;display:block}.skip-link{position:fixed;left:12px;top:-60px;z-index:9999;background:var(--text);color:var(--panel);padding:8px 12px;border-radius:8px}.skip-link:focus{top:10px}
.app-header{position:sticky;top:0;z-index:80;height:var(--header);border-bottom:1px solid color-mix(in srgb,var(--line) 85%,transparent);background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(18px) saturate(145%)}
.header-inner{max-width:var(--max);height:100%;margin:auto;padding:0 28px;display:grid;grid-template-columns:260px minmax(260px,560px) 1fr;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;width:max-content}.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(145deg,var(--brand),#856bff);box-shadow:0 8px 24px color-mix(in srgb,var(--brand) 30%,transparent);color:#fff;font-weight:900;letter-spacing:-.06em}.brand-copy{display:flex;align-items:baseline;gap:8px;font-weight:850;letter-spacing:.04em}.brand-copy small{font-size:12px;color:var(--muted);letter-spacing:0;font-weight:650}.global-search{position:relative}.global-search .search-box{height:42px}.search-box{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--panel);border-radius:13px;padding:0 12px;box-shadow:0 4px 18px rgba(30,35,70,.03)}.search-box:focus-within{border-color:color-mix(in srgb,var(--brand) 55%,var(--line));box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 10%,transparent)}.search-box svg{color:var(--muted-2);flex:none}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--text);min-width:0}.search-box input::placeholder{color:var(--muted-2)}kbd{border:1px solid var(--line);background:var(--panel-soft);color:var(--muted);border-radius:7px;padding:2px 7px;font-size:11px;white-space:nowrap}.search-results{display:none;position:absolute;top:50px;left:0;right:0;z-index:100;background:var(--panel);border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);padding:7px;max-height:420px;overflow:auto}.search-results.open{display:block}.search-results a{display:flex;flex-direction:column;gap:2px;padding:10px 11px;border-radius:10px}.search-results a:hover{background:var(--panel-soft)}.search-results b{font-size:13px}.search-results span,.search-empty{font-size:12px;color:var(--muted)}.search-empty{padding:16px}.header-actions{justify-self:end;display:flex;align-items:center;gap:6px}.header-link{font-size:13px;font-weight:650;color:var(--muted);padding:8px 10px;border-radius:9px}.header-link:hover{background:var(--panel);color:var(--text)}.icon-btn{width:38px;height:38px;border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:11px;display:grid;place-items:center;cursor:pointer}.icon-btn:hover{color:var(--brand);border-color:color-mix(in srgb,var(--brand) 45%,var(--line))}.mobile-menu-btn{display:none}
#appMain{min-height:calc(100vh - var(--header))}.hero-shell{max-width:1240px;margin:0 auto;padding:82px 38px 66px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:66px;align-items:center}.eyebrow{display:inline-flex;align-items:center;color:var(--brand);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero-copy h1{font-size:clamp(42px,5.6vw,72px);line-height:1.07;letter-spacing:-.055em;margin:16px 0 22px;max-width:780px}.hero-copy h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),#4f96ff 60%,#73d7bd);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-copy>p{max-width:690px;color:var(--muted);font-size:17px;margin:0 0 28px}.hero-search{height:56px;max-width:660px;padding:0 16px;border-radius:16px}.hero-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.hero-links a{font-size:12px;color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:5px 10px;border-radius:999px}.hero-links a:hover{color:var(--brand);border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}.hero-panel{background:linear-gradient(155deg,color-mix(in srgb,var(--panel) 94%,var(--brand) 6%),var(--panel));border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:18px;transform:rotate(1.2deg)}.window-dots{display:flex;gap:6px}.window-dots i{width:9px;height:9px;border-radius:50%;background:#ff6b67}.window-dots i:nth-child(2){background:#ffc651}.window-dots i:nth-child(3){background:#38c87a}.hero-panel-head{display:flex;justify-content:space-between;align-items:center;margin:22px 0 14px;font-size:12px;color:var(--muted)}.hero-panel-grid{display:grid;grid-template-columns:1fr 1.5fr;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:var(--bg)}.hero-panel-grid>div{padding:18px;display:flex;flex-direction:column;gap:9px}.hero-panel-grid>div+div{border-left:1px solid var(--line);background:var(--panel)}.hero-panel-grid small{color:var(--muted-2);font-size:10px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:4px}.hero-panel-grid b{font-size:12px;font-weight:650;padding:6px 8px;border-radius:8px}.hero-panel-grid b:first-of-type{background:var(--brand-soft);color:var(--brand)}
.home-section{max-width:1240px;margin:0 auto;padding:58px 38px}.soft-section{max-width:none;padding-left:max(38px,calc((100vw - 1240px)/2 + 38px));padding-right:max(38px,calc((100vw - 1240px)/2 + 38px));background:color-mix(in srgb,var(--panel) 48%,transparent);border-block:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head span{font-size:10px;letter-spacing:.14em;color:var(--brand);font-weight:800}.section-head h2{margin:3px 0 0;font-size:26px;letter-spacing:-.03em}.section-head p,.section-head>a{margin:0;color:var(--muted);font-size:13px}.section-head>a:hover{color:var(--brand)}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.product-card{min-height:240px;padding:24px;border:1px solid var(--line);background:var(--panel);border-radius:20px;display:flex;flex-direction:column;transition:.22s ease;position:relative;overflow:hidden}.product-card:before{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-55px;top:-55px;background:radial-gradient(circle,color-mix(in srgb,var(--brand) 13%,transparent),transparent 70%)}.product-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand) 35%,var(--line));box-shadow:0 14px 40px rgba(40,43,80,.08)}.product-card.is-planned{opacity:.8}.product-icon{font-size:27px}.product-title-row{margin-top:22px}.product-title-row h3{font-size:16px;margin:0}.product-title-row span{font-size:11px;color:var(--muted)}.product-card p{font-size:13px;color:var(--muted);margin:12px 0 20px}.product-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between}.status{font-size:11px;padding:4px 8px;border-radius:999px;background:var(--panel-soft);color:var(--muted)}.status.ready{background:color-mix(in srgb,var(--green) 12%,transparent);color:var(--green)}.arrow{color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.topic-card{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:12px;padding:17px;background:var(--panel);border:1px solid var(--line);border-radius:15px;transition:.18s}.topic-card:hover{border-color:color-mix(in srgb,var(--brand) 35%,var(--line));transform:translateX(3px)}.topic-icon{width:38px;height:38px;display:grid;place-items:center;background:var(--panel-soft);border-radius:11px}.topic-card b{font-size:14px}.topic-card p{font-size:12px;color:var(--muted);margin:2px 0 0}.topic-arrow{color:var(--muted)}.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:78px}.trust-row>div{display:flex;flex-direction:column;padding-left:16px;border-left:2px solid var(--brand)}.trust-row b{font-size:13px}.trust-row span{font-size:12px;color:var(--muted);margin-top:3px}
.docs-shell{max-width:var(--max);margin:auto;display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr) var(--toc);min-height:calc(100vh - var(--header))}.docs-sidebar{position:sticky;top:var(--header);height:calc(100vh - var(--header));overflow:auto;border-right:1px solid var(--line);padding:22px 18px 60px}.sidebar-product{padding:0 4px 18px;border-bottom:1px solid var(--line);margin-bottom:18px}.back-products{font-size:11px;color:var(--muted)}.back-products:hover{color:var(--brand)}.sidebar-product-title{display:flex;align-items:center;gap:10px;margin-top:14px}.sidebar-product-title>span{width:36px;height:36px;border-radius:11px;background:var(--brand-soft);display:grid;place-items:center}.sidebar-product-title div{display:flex;flex-direction:column}.sidebar-product-title b{font-size:13px}.sidebar-product-title small{color:var(--muted);font-size:10px}.side-group{margin:18px 0}.side-group h3{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);margin:0 7px 6px;display:flex;gap:6px;align-items:center}.side-link{display:block;font-size:12.5px;color:var(--muted);padding:7px 9px;border-radius:9px;margin:1px 0}.side-link:hover{background:var(--panel);color:var(--text)}.side-link.active{background:var(--brand-soft);color:var(--brand);font-weight:700}.docs-content{min-width:0;padding:38px 54px 90px}.docs-toc{position:sticky;top:var(--header);height:calc(100vh - var(--header));padding:34px 22px;border-left:1px solid var(--line)}.toc-card{display:flex;flex-direction:column;gap:8px}.toc-card>b{font-size:11px;margin-bottom:4px}.toc-card>a{font-size:11.5px;color:var(--muted);line-height:1.45}.toc-card>a:hover{color:var(--brand)}.toc-card .toc-h3{padding-left:10px;font-size:11px}.breadcrumbs{display:flex;gap:7px;align-items:center;color:var(--muted-2);font-size:11px;margin-bottom:30px}.breadcrumbs a:hover{color:var(--brand)}.product-overview,.article-wrap{max-width:790px;margin:0 auto}.product-hero-card{display:grid;grid-template-columns:74px 1fr;gap:22px;border:1px solid var(--line);background:var(--panel);padding:28px;border-radius:22px;box-shadow:0 12px 40px rgba(30,35,70,.05)}.product-hero-icon{width:74px;height:74px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(145deg,var(--brand-soft),color-mix(in srgb,var(--blue) 12%,var(--panel)));font-size:35px}.product-hero-card h1{margin:4px 0 8px;font-size:30px;letter-spacing:-.035em}.product-hero-card p{color:var(--muted);margin:0;font-size:14px}.meta-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.pill{font-size:10.5px;color:var(--muted);border:1px solid var(--line);background:var(--panel-soft);padding:4px 8px;border-radius:999px}.pill.ready{color:var(--green);background:color-mix(in srgb,var(--green) 9%,transparent);border-color:color-mix(in srgb,var(--green) 20%,var(--line))}.pill.link:hover{color:var(--brand);border-color:color-mix(in srgb,var(--brand) 30%,var(--line))}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.guide-group-card{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:16px}.guide-group-head{display:flex;align-items:center;gap:9px;padding:2px 3px 10px;border-bottom:1px solid var(--line);margin-bottom:6px}.guide-group-head>span{width:30px;height:30px;background:var(--panel-soft);display:grid;place-items:center;border-radius:9px}.guide-group-head div{display:flex;flex-direction:column}.guide-group-head b{font-size:12px}.guide-group-head small{font-size:9px;color:var(--muted)}.guide-group-card>a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 4px;color:var(--muted);font-size:11.5px}.guide-group-card>a:hover{color:var(--brand)}.guide-group-card>a small{font-size:9px;white-space:nowrap;color:var(--muted-2)}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}.article-head h1{font-size:clamp(32px,4.2vw,46px);line-height:1.16;letter-spacing:-.045em;margin:9px 0 13px}.article-head>p{font-size:15px;color:var(--muted);max-width:690px;margin:0}.article-figure{margin:28px 0 34px;border:1px solid var(--line);background:var(--panel);border-radius:17px;overflow:hidden}.article-figure img{width:100%;background:var(--panel-soft)}.article-figure figcaption{padding:10px 13px;font-size:10.5px;color:var(--muted);border-top:1px solid var(--line)}.prose{font-size:14px;color:var(--text)}.prose h2,.prose h3{scroll-margin-top:calc(var(--header) + 26px);letter-spacing:-.025em}.prose h2{font-size:22px;margin:42px 0 13px}.prose h3{font-size:16px;margin:26px 0 10px}.prose p{color:var(--muted);margin:10px 0}.prose strong{color:var(--text)}.prose ul,.prose ol{padding-left:21px;color:var(--muted)}.prose li{margin:7px 0}.prose code{font-family:"SFMono-Regular",Consolas,monospace;font-size:.9em;background:var(--panel);border:1px solid var(--line);padding:2px 5px;border-radius:5px;color:var(--brand)}.prose pre{background:#111526;color:#e8ebf8;border:1px solid #272d44;border-radius:14px;padding:18px 20px;overflow:auto;margin:16px 0 22px;box-shadow:0 9px 30px rgba(0,0,0,.12)}.prose pre code{background:none;border:0;color:inherit;padding:0;font-size:12px;line-height:1.7}.prose table{width:100%;border-collapse:separate;border-spacing:0;margin:15px 0 24px;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--panel)}.prose th,.prose td{font-size:11.5px;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}.prose tr:last-child td{border-bottom:0}.prose th{background:var(--panel-soft);color:var(--text);font-weight:750}.prose td{color:var(--muted)}.callout{display:grid;grid-template-columns:150px 1fr;gap:12px;margin:18px 0;padding:14px 15px;border:1px solid var(--line);border-left:3px solid var(--blue);background:color-mix(in srgb,var(--blue) 5%,var(--panel));border-radius:12px}.callout strong{font-size:11.5px}.callout span{font-size:11.5px;color:var(--muted)}.callout.tip{border-left-color:var(--green);background:color-mix(in srgb,var(--green) 5%,var(--panel))}.callout.danger{border-left-color:var(--red);background:color-mix(in srgb,var(--red) 5%,var(--panel))}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0 24px}.feature-card{border:1px solid var(--line);background:var(--panel);padding:14px;border-radius:12px;display:flex;flex-direction:column;gap:4px}.feature-card b{font-size:11.5px}.feature-card span{font-size:11px;color:var(--muted)}.steps{list-style:none!important;padding:0!important;counter-reset:step;margin:16px 0 24px!important}.steps li{counter-increment:step;display:grid;grid-template-columns:31px 1fr;grid-template-rows:auto auto;column-gap:11px;padding:11px 0!important;margin:0!important;border-bottom:1px solid var(--line)}.steps li:before{content:counter(step);grid-row:1/3;width:27px;height:27px;border-radius:9px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:11px}.steps b{font-size:12px}.steps span{font-size:11.5px;color:var(--muted)}.article-feedback{margin-top:48px;padding:17px;border:1px solid var(--line);background:var(--panel);border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:20px}.article-feedback div{display:flex;flex-direction:column}.article-feedback b{font-size:11.5px}.article-feedback span{font-size:10.5px;color:var(--muted)}.article-feedback a{font-size:10.5px;color:var(--brand);white-space:nowrap}.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.pager-card{border:1px solid var(--line);background:var(--panel);border-radius:13px;padding:13px 14px;display:flex;flex-direction:column;gap:2px}.pager-card:hover{border-color:color-mix(in srgb,var(--brand) 30%,var(--line))}.pager-card small{font-size:9px;color:var(--muted)}.pager-card b{font-size:11.5px}.pager-card.next{text-align:right}.coming-wrap{max-width:610px;margin:80px auto;text-align:center}.coming-icon{font-size:54px;margin-bottom:18px}.coming-wrap h1{font-size:42px;letter-spacing:-.04em;margin:8px 0}.coming-wrap p{color:var(--muted)}.coming-actions{display:flex;justify-content:center;gap:10px;margin-top:24px}.primary-btn,.secondary-btn{font-size:12px;padding:9px 14px;border-radius:10px;border:1px solid var(--line)}.primary-btn{background:var(--brand);border-color:var(--brand);color:#fff}.secondary-btn{background:var(--panel)}
@media(max-width:1180px){:root{--toc:190px}.header-inner{grid-template-columns:220px minmax(240px,500px) 1fr}.product-grid{grid-template-columns:repeat(2,1fr)}.hero-shell{grid-template-columns:1fr .8fr;gap:36px}.docs-content{padding-left:34px;padding-right:34px}}
@media(max-width:980px){.header-inner{grid-template-columns:auto minmax(220px,1fr) auto}.brand-copy small,.header-link{display:none}.docs-shell{grid-template-columns:240px minmax(0,1fr)}.docs-toc{display:none}.hero-shell{grid-template-columns:1fr;padding-top:60px}.hero-panel{display:none}.trust-row{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}}
@media(max-width:760px){:root{--header:62px}.header-inner{padding:0 14px;grid-template-columns:auto 1fr auto;gap:10px}.brand-copy{display:none}.global-search .search-box{height:38px;padding-inline:10px}.global-search kbd{display:none}.mobile-menu-btn{display:grid}.docs-shell{display:block}.docs-sidebar{position:fixed;z-index:90;top:var(--header);left:0;width:min(82vw,300px);height:calc(100vh - var(--header));background:var(--bg);transform:translateX(-105%);transition:.22s ease;box-shadow:var(--shadow)}.docs-sidebar.open{transform:translateX(0)}.docs-content{padding:24px 18px 70px}.hero-shell{padding:52px 20px 42px}.hero-copy h1{font-size:42px}.hero-copy>p{font-size:14px}.home-section,.soft-section{padding:40px 20px}.product-grid,.topic-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.trust-row{padding-bottom:52px}.product-hero-card{grid-template-columns:1fr;padding:21px}.product-hero-icon{width:56px;height:56px}.article-head h1{font-size:34px}.article-figure{margin-inline:-3px}.feature-grid{grid-template-columns:1fr}.callout{grid-template-columns:1fr;gap:4px}.article-feedback{align-items:flex-start;flex-direction:column}.pager{grid-template-columns:1fr}.pager-card.next{text-align:left}.prose table{display:block;overflow-x:auto;white-space:normal}.breadcrumbs{margin-bottom:22px}}
@media(max-width:430px){.header-inner{grid-template-columns:auto 1fr auto}.icon-btn{width:36px;height:36px}.header-actions{gap:4px}.hero-copy h1{font-size:37px}.hero-search{height:50px}.product-card{min-height:205px}.docs-content{padding-inline:15px}.article-head h1{font-size:31px}.article-head>p{font-size:13.5px}.prose{font-size:13.5px}}