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var(--sl-nav-height))}}@media (width>=50rem) and (width<=71.99rem){.sidebar-pane{border-inline-end:1px solid var(--sl-color-hairline);width:min(100%,20rem)}}[data-has-sidebar] .header .title-wrapper{display:none}@media (width>=72rem){[data-has-sidebar] header.header{width:calc(100% - var(--sl-sidebar-width));inset-inline-start:var(--sl-sidebar-width)}[data-has-sidebar] .sidebar-pane{inset-block-start:0}}@media (width>=50rem){[data-has-sidebar] .header>.header{grid-template-columns:1fr auto}}:root{--course-control:2.5rem;--sl-nav-height:calc(var(--course-control) + 2rem);--sl-nav-pad-x:1rem;--sl-nav-pad-y:1rem;--sl-nav-gap:.5rem;--sl-menu-button-size:var(--course-control)}.header .right-group{gap:.5rem}.sl-menu-button,site-search button[data-open-modal],.course-language-button,.course-theme-toggle{height:var(--course-control);min-width:var(--course-control);border:1px solid var(--sl-color-gray-5);background:var(--sl-color-black);color:var(--sl-color-gray-2);box-shadow:none;cursor:pointer;border-radius:.5rem;justify-content:center;align-items:center;transition:border-color .12s,color .12s}.sl-menu-button:hover,site-search button[data-open-modal]:hover,.course-language-button:hover,.course-theme-toggle:hover{border-color:var(--sl-color-gray-2);color:var(--sl-color-white)}.sl-menu-button:has(~:popover-open),.course-language-button[aria-expanded=true]{border-color:var(--sl-color-accent);color:var(--sl-color-white)}@media (width<50rem){site-search button[data-close-modal]{top:1rem;width:var(--course-control);height:var(--course-control);border:1px solid var(--sl-color-gray-5);color:var(--sl-color-gray-2);border-radius:.5rem;justify-content:center;padding:0;font-size:0;inset-inline-end:1rem}site-search button[data-close-modal]:hover{border-color:var(--sl-color-gray-2);color:var(--sl-color-white)}site-search button[data-close-modal]:before{content:"";background:currentColor;width:1.25rem;height:1.25rem;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E") 50%/contain no-repeat}#starlight__search{--sl-search-cancel-space:calc(var(--course-control) + .5rem)}}#starlight__search .pagefind-ui__search-input{height:var(--course-control);border-radius:.5rem}#starlight__search .pagefind-ui__form:before{top:calc((var(--course-control) - 18px * var(--pagefind-ui-scale,.8)) / 2)}#starlight__search .pagefind-ui__search-clear{top:0;width:var(--course-control);height:var(--course-control);color:var(--sl-color-gray-2);border-radius:.5rem;justify-content:center;align-items:center;font-size:0;display:flex;inset-inline-end:calc(var(--sl-search-cancel-space) + .375rem)}#starlight__search .pagefind-ui__search-clear:hover{color:var(--sl-color-white)}#starlight__search .pagefind-ui__search-clear:before{background-color:currentColor;flex-shrink:0;width:1.25rem;height:1.25rem;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 6l12 12M18 6L6 18'/%3E%3C/svg%3E") 50%/contain no-repeat}@media (width<=71.99rem){site-search button[data-open-modal]{width:var(--course-control);max-width:none;font-size:var(--sl-text-xl);padding:0}site-search button[data-open-modal]>span,site-search button[data-open-modal]>kbd{display:none!important}}.sidebar-pane{scrollbar-gutter:auto}.course-progress{width:.7rem;height:.7rem;color:var(--sl-color-gray-3);vertical-align:-.05em;border:1.5px solid;border-radius:50%;flex-shrink:0;display:inline-block}.course-progress[data-state=seen]{background:linear-gradient(90deg,currentColor 50%,#0000 50%)}.course-progress[data-state=done]{color:var(--sl-color-accent);background:currentColor}.sidebar-content ul a .course-progress{margin-inline-end:.5rem}.sidebar-content ul a[aria-current=page] .course-progress[data-state=seen]{color:currentColor}.course-progress-row{justify-content:center;margin-top:2rem;display:flex}.course-progress-toggle{height:var(--course-control);border:1px solid var(--sl-color-gray-5);background:var(--sl-color-black);color:var(--sl-color-gray-2);font:inherit;font-size:var(--sl-text-sm);cursor:pointer;border-radius:.5rem;align-items:center;gap:.5rem;padding:0 1rem;transition:border-color .12s,color .12s;display:inline-flex}.course-progress-toggle:hover{border-color:var(--sl-color-gray-2);color:var(--sl-color-white)}.course-progress-toggle[aria-checked=true]{border-color:var(--sl-color-accent);color:var(--sl-color-white)}:root .expressive-code .copy button{width:var(--course-control);height:var(--course-control);border-radius:.5rem}:root .expressive-code .copy button:before{border-color:var(--sl-color-gray-5);opacity:1}:root .expressive-code .copy button:after{margin:.625rem}:root{--course-orange:#c2410c;--course-teal:#0f766e}:root[data-theme=dark]{--course-orange:#fb923c;--course-teal:#2dd4bf}.course-diagram{margin-block:1.5rem}.course-diagram svg{width:100%;max-width:24rem;height:auto;margin-inline:auto;display:block}@layer starlight.base{:root,::backdrop{--sl-color-white:#fff;--sl-color-gray-1:#edeef3;--sl-color-gray-2:#c1c3c8;--sl-color-gray-3:#888c96;--sl-color-gray-4:#555962;--sl-color-gray-5:#353841;--sl-color-gray-6:#23262f;--sl-color-black:#17181c;--sl-hue-orange:41;--sl-color-orange-low:hsl(var(--sl-hue-orange), 39%, 22%);--sl-color-orange:hsl(var(--sl-hue-orange), 82%, 63%);--sl-color-orange-high:hsl(var(--sl-hue-orange), 82%, 87%);--sl-hue-green:101;--sl-color-green-low:hsl(var(--sl-hue-green), 39%, 22%);--sl-color-green:hsl(var(--sl-hue-green), 82%, 63%);--sl-color-green-high:hsl(var(--sl-hue-green), 82%, 80%);--sl-hue-blue:234;--sl-color-blue-low:hsl(var(--sl-hue-blue), 54%, 20%);--sl-color-blue:hsl(var(--sl-hue-blue), 100%, 60%);--sl-color-blue-high:hsl(var(--sl-hue-blue), 100%, 87%);--sl-hue-purple:281;--sl-color-purple-low:hsl(var(--sl-hue-purple), 39%, 22%);--sl-color-purple:hsl(var(--sl-hue-purple), 82%, 63%);--sl-color-purple-high:hsl(var(--sl-hue-purple), 82%, 89%);--sl-hue-red:339;--sl-color-red-low:hsl(var(--sl-hue-red), 39%, 22%);--sl-color-red:hsl(var(--sl-hue-red), 82%, 63%);--sl-color-red-high:hsl(var(--sl-hue-red), 82%, 87%);--sl-color-accent-low:#17264f;--sl-color-accent:#3369ff;--sl-color-accent-high:#b3c7ff;--sl-color-text:var(--sl-color-gray-2);--sl-color-text-accent:var(--sl-color-accent-high);--sl-color-text-invert:var(--sl-color-accent-low);--sl-color-bg:var(--sl-color-black);--sl-color-bg-nav:var(--sl-color-gray-6);--sl-color-bg-sidebar:var(--sl-color-gray-6);--sl-color-bg-inline-code:var(--sl-color-gray-5);--sl-color-bg-accent:var(--sl-color-accent-high);--sl-color-hairline-light:var(--sl-color-gray-5);--sl-color-hairline:var(--sl-color-gray-6);--sl-color-hairline-shade:var(--sl-color-black);--sl-color-backdrop-overlay:#16181da8;--sl-shadow-sm:0px 1px 1px #0000001f, 0px 2px 1px #0000003d;--sl-shadow-md:0px 8px 4px #00000014, 0px 5px 2px #00000014, 0px 3px 2px #0000001f, 0px 1px 1px #00000026;--sl-shadow-lg:0px 25px 7px #00000008, 0px 16px 6px #0000001a, 0px 9px 5px #16181d54, 0px 4px 4px #000000bf, 0px 4px 2px #00000040;--sl-text-2xs:.75rem;--sl-text-xs:.8125rem;--sl-text-sm:.875rem;--sl-text-base:1rem;--sl-text-lg:1.125rem;--sl-text-xl:1.25rem;--sl-text-2xl:1.5rem;--sl-text-3xl:1.8125rem;--sl-text-4xl:2.1875rem;--sl-text-5xl:2.625rem;--sl-text-6xl:4rem;--sl-text-body:var(--sl-text-base);--sl-text-body-sm:var(--sl-text-xs);--sl-text-code:var(--sl-text-sm);--sl-text-code-sm:var(--sl-text-xs);--sl-text-h1:var(--sl-text-4xl);--sl-text-h2:var(--sl-text-3xl);--sl-text-h3:var(--sl-text-2xl);--sl-text-h4:var(--sl-text-xl);--sl-text-h5:var(--sl-text-lg);--sl-line-height:1.75;--sl-line-height-headings:1.2;--sl-font-system:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--sl-font-system-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--__sl-font:var(--sl-font,var(--sl-font-system)), var(--sl-font-system);--__sl-font-mono:var(--sl-font-mono,var(--sl-font-system-mono)), var(--sl-font-system-mono);--sl-nav-height:3.5rem;--sl-nav-pad-x:1rem;--sl-nav-pad-y:.75rem;--sl-mobile-toc-height:3rem;--sl-sidebar-width:18.75rem;--sl-sidebar-pad-x:1rem;--sl-content-width:45rem;--sl-content-pad-x:1rem;--sl-content-gap-y:1rem;--sl-main-pad:0 0 3vh 0;--sl-menu-button-size:2rem;--sl-nav-gap:var(--sl-content-pad-x);--sl-outline-offset-inside:-.1875rem;--sl-z-index-toc:4;--sl-z-index-menu:5;--sl-z-index-navbar:10;--sl-z-index-skiplink:20}:root[data-theme=light],[data-theme=light] ::backdrop{--sl-color-white:#17181c;--sl-color-gray-1:#23262f;--sl-color-gray-2:#353841;--sl-color-gray-3:#555962;--sl-color-gray-4:#888c96;--sl-color-gray-5:#c1c3c8;--sl-color-gray-6:#edeef3;--sl-color-gray-7:#f6f7f9;--sl-color-black:#fff;--sl-color-orange-high:hsl(var(--sl-hue-orange), 80%, 25%);--sl-color-orange:hsl(var(--sl-hue-orange), 90%, 60%);--sl-color-orange-low:hsl(var(--sl-hue-orange), 90%, 88%);--sl-color-green-high:hsl(var(--sl-hue-green), 80%, 22%);--sl-color-green:hsl(var(--sl-hue-green), 90%, 46%);--sl-color-green-low:hsl(var(--sl-hue-green), 85%, 90%);--sl-color-blue-high:hsl(var(--sl-hue-blue), 80%, 30%);--sl-color-blue:hsl(var(--sl-hue-blue), 90%, 60%);--sl-color-blue-low:hsl(var(--sl-hue-blue), 88%, 90%);--sl-color-purple-high:hsl(var(--sl-hue-purple), 90%, 30%);--sl-color-purple:hsl(var(--sl-hue-purple), 90%, 60%);--sl-color-purple-low:hsl(var(--sl-hue-purple), 80%, 90%);--sl-color-red-high:hsl(var(--sl-hue-red), 80%, 30%);--sl-color-red:hsl(var(--sl-hue-red), 90%, 60%);--sl-color-red-low:hsl(var(--sl-hue-red), 80%, 90%);--sl-color-accent-high:#0f1c8a;--sl-color-accent:#3d50f5;--sl-color-accent-low:#cfd4fc;--sl-color-text-accent:var(--sl-color-accent);--sl-color-text-invert:var(--sl-color-black);--sl-color-bg-nav:var(--sl-color-gray-7);--sl-color-bg-sidebar:var(--sl-color-bg);--sl-color-bg-inline-code:var(--sl-color-gray-6);--sl-color-bg-accent:var(--sl-color-accent);--sl-color-hairline-light:var(--sl-color-gray-6);--sl-color-hairline-shade:var(--sl-color-gray-6);--sl-color-backdrop-overlay:#545864a8;--sl-shadow-sm:0px 1px 1px #0000000f, 0px 2px 1px #0000000f;--sl-shadow-md:0px 8px 4px #00000008, 0px 5px 2px #00000008, 0px 3px 2px #0000000f, 0px 1px 1px #0000000f;--sl-shadow-lg:0px 25px 7px #00000003, 0px 16px 6px #00000008, 0px 9px 5px #16181d14, 0px 4px 4px #00000029, 0px 4px 2px #0000000a}@media (width>=50em){:root{--sl-nav-height:4rem;--sl-nav-pad-x:1.5rem;--sl-text-h1:var(--sl-text-5xl);--sl-text-h2:var(--sl-text-4xl);--sl-text-h3:var(--sl-text-3xl);--sl-text-h4:var(--sl-text-2xl)}}@media (width>=72rem){:root{--sl-content-pad-x:1.5rem;--sl-mobile-toc-height:0rem}}}@layer starlight.reset{*,:before,:after{box-sizing:border-box}*{margin:0}html{color-scheme:dark;accent-color:var(--sl-color-accent);-webkit-text-size-adjust:100%;text-size-adjust:100%}html[data-theme=light]{color-scheme:light}body{font-family:var(--__sl-font);line-height:var(--sl-line-height);-webkit-font-smoothing:antialiased;color:var(--sl-color-text);background-color:var(--sl-color-bg)}[lang]:where(:lang(zh),:lang(ja)){text-autospace:normal}[lang]:where(:not(:lang(zh),:lang(ja))){text-autospace:initial}pre,code,samp,kbd{text-autospace:no-autospace}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6,code{overflow-wrap:break-word}code{font-family:var(--__sl-font-mono)}}@layer starlight.core{.sl-banner:where(.astro-ofbg3qve){--__sl-banner-text:var(--sl-color-banner-text,var(--sl-color-text-invert));padding:var(--sl-nav-pad-y) var(--sl-nav-pad-x);background-color:var(--sl-color-banner-bg,var(--sl-color-bg-accent));color:var(--__sl-banner-text);line-height:var(--sl-line-height-headings);text-align:center;text-wrap:balance;box-shadow:var(--sl-shadow-sm)}.sl-banner:where(.astro-ofbg3qve) a{color:var(--__sl-banner-text)}.content-panel:where(.astro-a7po4psb){padding:1.5rem var(--sl-content-pad-x)}.content-panel:where(.astro-a7po4psb)+.content-panel:where(.astro-a7po4psb){border-top:1px solid var(--sl-color-hairline)}.sl-container:where(.astro-a7po4psb){max-width:var(--sl-content-width)}.sl-container:where(.astro-a7po4psb)>*+*{margin-top:1.5rem}@media (width>=72rem){.sl-container:where(.astro-a7po4psb){margin-inline:var(--sl-content-margin-inline,auto)}}p:where(.astro-gsljcgkv){border:1px solid var(--sl-color-orange);background-color:var(--sl-color-orange-low);color:var(--sl-color-orange-high);width:max-content;max-width:100%;font-size:var(--sl-text-body-sm);line-height:var(--sl-line-height-headings);text-align:start;align-items:center;gap:.75em;padding:.75em 1em}a:where(.astro-qlekgd3o){color:var(--sl-color-gray-3);align-items:center;gap:.5rem;text-decoration:none}a:where(.astro-qlekgd3o):hover{color:var(--sl-color-white)}footer:where(.astro-ddtxxk7k){flex-direction:column;gap:1.5rem}.meta:where(.astro-ddtxxk7k){font-size:var(--sl-text-sm);color:var(--sl-color-gray-3);flex-wrap:wrap;justify-content:space-between;gap:.75rem 3rem;margin-top:3rem}.meta:where(.astro-ddtxxk7k)>p:only-child{margin-inline-start:auto}.kudos:where(.astro-ddtxxk7k){font-size:var(--sl-text-xs);color:var(--sl-color-gray-3);align-items:center;gap:.5em;margin:1.5rem auto;text-decoration:none}.kudos:where(.astro-ddtxxk7k):hover{color:var(--sl-color-white)}site-search:where(.astro-b5kgnn7o){display:contents}button:where(.astro-b5kgnn7o)[data-open-modal]{color:var(--sl-color-gray-1);cursor:pointer;height:2.5rem;font-size:var(--sl-text-xl);background-color:#0000;border:0;align-items:center;gap:.5rem;display:flex}@media (width>=50rem){button:where(.astro-b5kgnn7o)[data-open-modal]{border:1px solid var(--sl-color-gray-5);background-color:var(--sl-color-black);color:var(--sl-color-gray-2);font-size:var(--sl-text-sm);border-radius:.5rem;width:100%;max-width:22rem;padding-inline:.75rem .5rem}button:where(.astro-b5kgnn7o)[data-open-modal]:hover{border-color:var(--sl-color-gray-2);color:var(--sl-color-white)}button:where(.astro-b5kgnn7o)[data-open-modal]>:where(.astro-b5kgnn7o):last-child{margin-inline-start:auto}}button:where(.astro-b5kgnn7o)>kbd:where(.astro-b5kgnn7o){font-size:var(--sl-text-2xs);background-color:var(--sl-color-gray-6);border-radius:.25rem;gap:.25em;padding-inline:.375rem}kbd:where(.astro-b5kgnn7o){font-family:var(--__sl-font)}dialog:where(.astro-b5kgnn7o){background-color:var(--sl-color-gray-6);border:1px solid var(--sl-color-gray-5);width:100%;max-width:100%;height:100%;max-height:100%;box-shadow:var(--sl-shadow-lg);margin:0}dialog:where(.astro-b5kgnn7o)[open]{display:flex}dialog:where(.astro-b5kgnn7o)::backdrop{background-color:var(--sl-color-backdrop-overlay);backdrop-filter:blur(.25rem)}.dialog-frame:where(.astro-b5kgnn7o){flex-direction:column;flex-grow:1;gap:1rem;padding:1rem;position:relative;overflow:auto}button:where(.astro-b5kgnn7o)[data-close-modal]{z-index:1;height:calc(64px * var(--pagefind-ui-scale));cursor:pointer;color:var(--sl-color-text-accent);background:0 0;border:0;align-self:flex-end;align-items:center;padding:.25rem;position:absolute}#starlight__search:where(.astro-b5kgnn7o){--pagefind-ui-primary:var(--sl-color-text);--pagefind-ui-text:var(--sl-color-gray-2);--pagefind-ui-font:var(--__sl-font);--pagefind-ui-background:var(--sl-color-black);--pagefind-ui-border:var(--sl-color-gray-5);--pagefind-ui-border-width:1px;--pagefind-ui-tag:var(--sl-color-gray-5);--sl-search-cancel-space:5rem}:root[data-theme=light] #starlight__search:where(.astro-b5kgnn7o){--pagefind-ui-tag:var(--sl-color-gray-6)}@media (width>=50rem){#starlight__search:where(.astro-b5kgnn7o){--sl-search-cancel-space:0px}dialog:where(.astro-b5kgnn7o){border-radius:.5rem;width:90%;max-width:40rem;height:max-content;min-height:15rem;max-height:calc(100% - 8rem);margin:4rem auto auto}.dialog-frame:where(.astro-b5kgnn7o){padding:1.5rem}}.pagefind-ui__result.svelte-j9e30.svelte-j9e30{align-items:flex-start;gap:min(calc(40px * var(--pagefind-ui-scale)), 3%);padding:calc(30px * var(--pagefind-ui-scale)) 0 calc(40px * var(--pagefind-ui-scale));border-top:solid var(--pagefind-ui-border-width) var(--pagefind-ui-border);list-style-type:none;display:flex}.pagefind-ui__result.svelte-j9e30.svelte-j9e30:last-of-type{border-bottom:solid var(--pagefind-ui-border-width) var(--pagefind-ui-border)}.pagefind-ui__result-thumb.svelte-j9e30.svelte-j9e30{width:min(30%, calc((30% - (100px * var(--pagefind-ui-scale))) * 100000));max-width:calc(120px * var(--pagefind-ui-scale));margin-top:calc(10px * var(--pagefind-ui-scale));aspect-ratio:var(--pagefind-ui-image-box-ratio);position:relative}.pagefind-ui__result-image.svelte-j9e30.svelte-j9e30{border-radius:var(--pagefind-ui-image-border-radius);width:auto;max-width:100%;height:auto;max-height:100%;font-size:0;display:block;position:absolute;left:50%;transform:translate(-50%)}.pagefind-ui__result-inner.svelte-j9e30.svelte-j9e30{margin-top:calc(10px * var(--pagefind-ui-scale));flex-direction:column;flex:1;align-items:flex-start;display:flex}.pagefind-ui__result-title.svelte-j9e30.svelte-j9e30{font-weight:700;font-size:calc(21px * var(--pagefind-ui-scale));margin-top:0;margin-bottom:0;display:inline-block}.pagefind-ui__result-title.svelte-j9e30 .pagefind-ui__result-link.svelte-j9e30{color:var(--pagefind-ui-text);text-decoration:none}.pagefind-ui__result-title.svelte-j9e30 .pagefind-ui__result-link.svelte-j9e30:hover{text-decoration:underline}.pagefind-ui__result-excerpt.svelte-j9e30.svelte-j9e30{font-weight:400;font-size:calc(16px * var(--pagefind-ui-scale));margin-top:calc(4px * var(--pagefind-ui-scale));min-width:calc(250px * 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