:root{--bg:#fff;--surface:#f8f9f8;--surface-hover:#f0f3f1;--ink:#202824;--muted:#636f68;--line:#e6ebe7;--accent:#087b70;--accent-soft:#edf7f3;--code:#f6f8f7;--warning-bg:#fff8eb;--warning:#8a5a16;--shadow:0 18px 65px rgba(21,40,31,.15);color-scheme:light;font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;font-size:15px}
:root[data-theme=dark]{--bg:#151b18;--surface:#19211d;--surface-hover:#233029;--ink:#e5ece7;--muted:#a5b3aa;--line:#2c3831;--accent:#72d5bc;--accent-soft:#20362e;--code:#1c2620;--warning-bg:#322919;--warning:#e9c88c;--shadow:0 18px 65px #0007;color-scheme:dark}
*{box-sizing:border-box}html{scroll-padding-top:100px;scrollbar-color:var(--line) transparent}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.75}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a{color:var(--accent);text-decoration:none;text-underline-offset:4px}a:hover{text-decoration:underline}button{color:inherit}::selection{background:#b7ead8;color:#153e30}::placeholder{color:var(--muted);opacity:1}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:focus:not(:focus-visible),main:focus{outline:none}svg.icon{width:19px;height:19px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:none;display:block}button svg{pointer-events:none}.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}.skip-link{position:fixed;top:-70px;left:20px;background:var(--bg);padding:10px 18px;z-index:100}.skip-link:focus{top:10px}.topbar{height:68px;display:flex;align-items:center;border-bottom:1px solid var(--line);padding:0 32px;position:sticky;top:0;background:var(--bg);z-index:20;gap:42px}.brand{display:flex;gap:10px;align-items:center;color:var(--ink);white-space:nowrap;flex:none}.brand:hover{text-decoration:none}.brand-tile{width:33px;height:33px;background:#0e201b;border-radius:7px;display:grid;place-items:center}.brand strong{font-size:16px;font-weight:750;letter-spacing:.035em}.brand-divider{height:20px;width:1px;background:var(--line);margin:0 2px 0 7px}.docs-word{font-size:14px;color:var(--muted)}.topnav{display:flex;gap:27px;height:100%;align-items:stretch}.topnav 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4px;background:var(--bg);font-size:11px;color:var(--muted)}.icon-button{width:34px;height:34px;display:grid;place-items:center;background:transparent;border:0;border-radius:6px;color:var(--muted)}.icon-button:hover{background:var(--surface-hover);color:var(--ink)}.mobile-menu{display:none}.layout{max-width:1512px;margin:auto;display:grid;grid-template-columns:252px minmax(0,1fr) 204px}.sidebar{height:calc(100dvh - 68px);position:sticky;top:68px;border-right:1px solid var(--line);background:var(--surface);padding:27px 20px 18px 25px;display:flex;flex-direction:column;overflow-y:auto}.product-label{display:flex;align-items:center;gap:10px;margin-bottom:29px}.product-icon{width:33px;height:33px;border:1px solid var(--line);border-radius:7px;background:var(--bg);display:grid;place-items:center;color:var(--muted)}.product-label strong{font-size:12px;font-weight:650;display:block;line-height:1.4}.product-label div>span{font-size:11px;color:var(--muted);display:block;margin-top:4px}.version{margin-left:auto;font-family:monospace;font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 5px}.nav-group{margin-bottom:24px}.nav-group h2{font-size:11px;font-weight:600;color:var(--muted);margin:0 0 8px 12px;letter-spacing:.04em}.nav-link{display:flex;align-items:center;gap:10px;min-height:36px;padding:6px 11px;color:var(--muted);font-size:12px;border-radius:6px;margin:2px 0}.nav-link .icon{width:16px;height:16px}.nav-link:hover{background:var(--surface-hover);color:var(--ink);text-decoration:none}.nav-link[aria-current=page]{background:var(--accent-soft);color:var(--accent);font-weight:600}.sidebar-bottom{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}.sidebar-bottom>a{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:12px}.sidebar-bottom 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.heading-anchor,.heading-anchor:focus{opacity:1}.intro-badges{display:flex;gap:8px;flex-wrap:wrap;margin:-5px 0 25px}.intro-badges span{font-size:11px;padding:2px 8px;background:var(--surface);border:1px solid var(--line);border-radius:4px;color:var(--muted)}.welcome-panel{background:var(--accent-soft);border:1px solid var(--line);border-radius:12px;padding:27px 25px;display:grid;grid-template-columns:1fr 1.12fr;gap:23px;align-items:center;margin:0 0 25px}.welcome-panel h2{font-size:23px;line-height:1.5;letter-spacing:-.035em;margin:0 0 9px;font-weight:650}.welcome-panel>div>p{color:var(--muted);font-size:11px;line-height:1.9;margin:0 0 20px}.button{font-size:12px;display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:36px;padding:8px 13px;border-radius:6px;font-weight:550;border:1px solid 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strong{color:var(--accent)}.reading-links>a>span:last-child{margin-left:auto;color:var(--muted)}.reading-links strong{font-size:13px}.reading-links p{margin:3px 0 0;color:var(--muted);font-size:11px}.link-icon{width:32px;height:32px;background:var(--surface);border-radius:7px;display:grid;place-items:center;color:var(--accent)}.workflow{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;counter-reset:steps;margin:20px 0}.workflow li{margin:0;position:relative;padding-top:30px;counter-increment:steps}.workflow li:before{content:counter(steps);position:absolute;top:0;left:0;width:22px;height:22px;background:var(--surface);border:1px solid var(--line);border-radius:50%;font-size:11px;display:grid;place-items:center;color:var(--muted)}.workflow strong{display:block;font-size:12px}.workflow span{display:block;font-size:11px;color:var(--muted);line-height:1.8;margin-top:5px}.callout{background:var(--accent-soft);border:1px solid 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td{border-bottom:0}td:first-child{color:var(--ink)}td{color:var(--muted)}td code{font-size:11px;white-space:nowrap}code{font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace;background:var(--code);border:1px solid var(--line);border-radius:4px;padding:1px 4px;font-size:.87em;color:var(--ink);overflow-wrap:anywhere}pre{margin:0;overflow:auto;line-height:1.8;tab-size:2;text-align:left}pre code{display:block;border:0;background:none;border-radius:0;padding:18px 20px;font-size:11px;overflow-wrap:normal;line-height:1.9;white-space:pre;color:var(--ink)}.code-block{margin:18px 0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--code)}.code-top,.prompt-label{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:7px 12px 7px 18px;font-size:11px;color:var(--muted);background:var(--surface)}.copy-code{font-size:11px;color:var(--muted);background:transparent;border:1px solid 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3px}summary:hover{color:var(--accent)}.inline-links{display:flex;gap:20px;flex-wrap:wrap;font-size:12px}.text-link{font-size:12px}.budget-example{background:var(--surface);padding:23px;border:1px solid var(--line);border-radius:10px;margin:20px 0}.budget-example>div{display:flex;justify-content:space-between;align-items:baseline}.budget-example>div>span{font-size:12px;color:var(--muted)}.budget-example>div>strong{font-size:27px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.budget-example small{font-size:12px;color:var(--muted);font-weight:400}.budget-example dl{margin:13px 0 0;border-top:1px solid var(--line);padding-top:10px}.budget-example dl div{display:flex;justify-content:space-between;font-size:12px;padding:5px 0}.budget-example dt{color:var(--muted)}.budget-example dd{margin:0;font-variant-numeric:tabular-nums}.budget-example .budget-rest{border-top:1px solid var(--line);margin-top:10px;padding-top:13px}.budget-rest dd{color:var(--accent);font-weight:600}.budget-example>p{font-size:11px;color:var(--muted);margin:14px 0 0}.page-nav{display:flex;gap:15px;margin:44px 0 26px;padding-top:26px;border-top:1px solid var(--line)}.page-nav a{border:1px solid var(--line);border-radius:8px;padding:12px 16px;display:flex;flex-direction:column;width:50%;color:var(--ink)}.page-nav a:hover{text-decoration:none;border-color:var(--accent)}.page-nav span{font-size:11px;color:var(--muted)}.page-nav strong{font-size:12px;margin-top:3px;font-weight:550}.page-nav .next{text-align:right;margin-left:auto}.article-footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;padding:6px 0 30px}.page-aside{position:sticky;top:68px;height:calc(100dvh - 68px);padding:48px 24px 20px 0;overflow-y:auto}.toc-label{font-size:11px;display:flex;gap:8px;align-items:center;color:var(--muted);margin-bottom:14px}.toc-label svg.icon{width:15px;height:15px}#toc{border-left:1px solid var(--line)}#toc a{display:block;font-size:11px;color:var(--muted);padding:6px 0 6px 13px;border-left:1px solid transparent;margin-left:-1px;line-height:1.7}#toc a:hover{text-decoration:none;color:var(--accent)}#toc a.active{color:var(--accent);border-left-color:var(--accent)}.aside-help{margin-top:30px;padding-top:21px;border-top:1px solid var(--line)}.aside-help strong{font-size:11px;font-weight:550}.aside-help p{font-size:11px;color:var(--muted);line-height:1.9;margin:7px 0 12px}.aside-help a{font-size:11px;display:flex;justify-content:space-between}.mobile-toc{display:none}dialog{color:var(--ink);background:var(--bg);border:1px solid var(--line);padding:0;border-radius:12px;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(19,31,25,.35)}body:has(dialog[open]){overflow:hidden}#search-dialog{width:min(600px,calc(100% - 32px));margin-top:14vh;max-height:75dvh;overflow:hidden}.search-head{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);color:var(--muted)}.search-head input{border:0;outline:0;background:transparent;color:var(--ink);font-size:14px;min-width:0;flex:1;caret-color:var(--accent)}#search-results{padding:8px;max-height:49dvh;overflow:auto}.result-heading{font-size:11px;color:var(--muted);padding:8px 12px;margin:0}.search-result{display:flex;gap:12px;align-items:center;padding:12px;border-radius:6px;color:var(--ink)}.search-result svg{color:var(--muted)}.search-result:hover,.search-result.selected{background:var(--accent-soft);text-decoration:none}.search-result div{min-width:0}.search-result strong{font-size:13px}.search-result p{font-size:11px;color:var(--muted);margin:3px 0 0;line-height:1.8}.search-empty{padding:33px 20px;text-align:center}.search-empty strong{font-size:14px}.search-empty p{font-size:12px;color:var(--muted)}.search-footer{display:flex;justify-content:space-between;gap:12px;padding:10px 17px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.search-footer kbd{margin-right:3px}#mobile-dialog{height:100dvh;max-height:100dvh;margin:0;width:min(310px,90vw);max-width:100vw;border-radius:0;border:0;border-right:1px solid var(--line);padding:20px;background:var(--surface)}.mobile-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.mobile-head strong{font-size:15px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);opacity:0;pointer-events:none;background:var(--ink);color:var(--bg);border-radius:7px;padding:9px 17px;font-size:12px;z-index:50;transition:opacity .18s ease,transform .18s ease;text-align:center;max-width:90vw}#toast.visible{opacity:1;transform:translate(-50%,0)}.no-script{position:fixed;bottom:20px;padding:15px;background:var(--warning-bg);color:var(--warning);left:20px;right:20px}.not-found{padding:40px 0}.not-found .button{margin-top:20px}
@media(min-width:1450px){main{padding-left:60px;padding-right:60px}.layout{grid-template-columns:265px minmax(0,1fr) 220px}.sidebar{padding-left:30px;padding-right:25px}.page-aside{padding-right:36px}}
@media(max-width:1180px){.topbar{gap:28px;padding:0 24px}.topnav{gap:18px}.search-trigger{width:180px}.layout{grid-template-columns:225px minmax(0,1fr) 170px}.sidebar{padding-left:16px;padding-right:14px}main{padding-left:32px;padding-right:32px}.page-aside{padding-right:16px}.welcome-panel{grid-template-columns:1fr;padding:23px}.welcome-panel>div>p br{display:none}.conversation{display:none}.welcome-panel h2 br{display:none}}
@media(max-width:1000px){.page-aside{display:none}.layout{grid-template-columns:225px minmax(0,1fr)}.topnav{display:none}main{max-width:780px}.mobile-toc{display:block;border:1px solid var(--line);border-radius:7px;padding:8px 12px;margin-bottom:24px;background:var(--surface)}.mobile-toc summary{font-size:11px;color:var(--muted);font-weight:400}.mobile-toc nav{display:flex;flex-direction:column;padding:8px 4px;gap:6px}.mobile-toc a{font-size:12px}.welcome-panel{grid-template-columns:1fr 1fr}.conversation{display:block}.welcome-panel h2 br{display:initial}}
@media(max-width:760px){html{font-size:15px}.topbar{height:59px;padding:0 18px;gap:12px}.brand{gap:8px}.brand strong{font-size:13px}.brand-tile{width:28px;height:28px;border-radius:6px}.brand-tile img{width:23px;height:23px}.brand-divider{margin-left:2px}.docs-word{font-size:12px}.top-actions{gap:3px}.search-trigger{width:33px;padding:0;border:0;background:none;justify-content:center}.search-caption,.search-trigger kbd{display:none}.mobile-menu{display:grid}.icon-button{width:32px;height:34px}.layout{display:block}.sidebar{display:none}main{padding:25px 22px 0;max-width:700px}.breadcrumb{font-size:11px;margin-bottom:17px}h1{font-size:30px}h2{font-size:20px;margin-top:32px}.lead{font-size:13px;margin-bottom:20px}.intro-badges{margin-bottom:22px}.welcome-panel{grid-template-columns:1fr;padding:23px;gap:23px}.welcome-panel h2{font-size:23px}.welcome-panel h2 br{display:none}.welcome-panel>div>p{font-size:12px}.conversation{display:block;padding:15px}.conversation-top{font-size:11px}.example-badge{font-size:11px}.conversation .chat-user{font-size:12px}.chat-assistant strong{font-size:12px}.chat-assistant p{font-size:11px}.awaiting{font-size:11px}.workflow{grid-template-columns:1fr 1fr;gap:22px}.workflow li{padding-left:32px;padding-top:0}.workflow li:before{top:2px}.table-wrap{margin-right:0}th,td{padding:10px 12px}.article-footer{font-size:11px}.page-nav{gap:10px;margin-top:33px}.page-nav a{padding:10px 12px}.code-top{padding-left:14px}pre code{padding:15px 14px;font-size:11px}.callout{padding:13px}.callout p{font-size:11px}.reading-links p{font-size:11px}.search-footer{font-size:11px;padding:10px 12px}.topbar .brand-divider,.topbar .docs-word{display:none}.prompt-example pre code{font-size:12px}.inline-links{gap:12px}.welcome-panel .button{min-height:38px}.mobile-toc{margin-bottom:20px}.nav-link{min-height:40px;font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

@media(max-width:760px){.top-actions{gap:0}.icon-button,.search-trigger{min-width:44px;min-height:44px}.copy-code{min-height:44px}.mobile-toc summary{min-height:44px}.nav-link{min-height:44px}}