/*
! tailwindcss v3.3.3 | MIT License | https://tailwindcss.com
*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;font-feature-settings:normal;font-variation-settings:normal}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}[type=button],[type=reset],[type=submit],button{-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0}fieldset,legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]{display:none}*,:after,:before{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: }.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.relative{position:relative}.z-50{z-index:50}.mx-auto{margin-left:auto;margin-right:auto}.my-2{margin-top:.5rem;margin-bottom:.5rem}.my-4{margin-top:1rem;margin-bottom:1rem}.my-5{margin-top:1.25rem;margin-bottom:1.25rem}.my-8{margin-top:2rem;margin-bottom:2rem}.mb-10{margin-bottom:2.5rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.mr-16{margin-right:4rem}.mr-2{margin-right:.5rem}.mt-1{margin-top:.25rem}.mt-10{margin-top:2.5rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-5{margin-top:1.25rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.block{display:block}.inline-block{display:inline-block}.inline{display:inline}.flex{display:flex}.inline-flex{display:inline-flex}.hidden{display:none}.w-full{width:100%}.max-w-\[60\%\]{max-width:60%}.max-w-xl{max-width:36rem}.shrink{flex-shrink:1}.cursor-default{cursor:default}.cursor-pointer{cursor:pointer}.list-disc{list-style-type:disc}.flex-col{flex-direction:column}.items-start{align-items:flex-start}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.space-x-2>:not([hidden])~:not([hidden]){--tw-space-x-reverse:0;margin-right:calc(.5rem * var(--tw-space-x-reverse));margin-left:calc(.5rem * calc(1 - var(--tw-space-x-reverse)))}.space-y-2>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(.5rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(.5rem * var(--tw-space-y-reverse))}.space-y-3>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(.75rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(.75rem * var(--tw-space-y-reverse))}.space-y-6>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(1.5rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(1.5rem * var(--tw-space-y-reverse))}.whitespace-nowrap{white-space:nowrap}.rounded-lg{border-radius:.5rem}.rounded-md{border-radius:.375rem}.border{border-width:1px}.border-y-2{border-top-width:2px}.border-b-2,.border-y-2{border-bottom-width:2px}.border-gray-300{--tw-border-opacity:1;border-color:rgb(209 213 219/var(--tw-border-opacity))}.border-transparent{border-color:transparent}.bg-background{--tw-bg-opacity:1;background-color:rgb(237 237 237/var(--tw-bg-opacity))}.bg-gray-100{--tw-bg-opacity:1;background-color:rgb(243 244 246/var(--tw-bg-opacity))}.bg-gray-600{--tw-bg-opacity:1;background-color:rgb(75 85 99/var(--tw-bg-opacity))}.bg-white{--tw-bg-opacity:1;background-color:rgb(255 255 255/var(--tw-bg-opacity))}.p-4{padding:1rem}.px-2{padding-left:.5rem;padding-right:.5rem}.px-4{padding-left:1rem;padding-right:1rem}.py-1{padding-top:.25rem;padding-bottom:.25rem}.py-10{padding-top:2.5rem;padding-bottom:2.5rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.py-5{padding-top:1.25rem;padding-bottom:1.25rem}.pb-4{padding-bottom:1rem}.pl-3{padding-left:.75rem}.pl-7{padding-left:1.75rem}.pt-10{padding-top:2.5rem}.text-2xl{font-size:1.5rem;line-height:2rem}.text-3xl{font-size:1.875rem;line-height:2.25rem}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-sm{font-size:.875rem;line-height:1.25rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.text-xs{font-size:.75rem;line-height:1rem}.font-bold{font-weight:700}.font-medium{font-weight:500}.font-normal{font-weight:400}.font-semibold{font-weight:600}.leading-6{line-height:1.5rem}.text-gray-500{--tw-text-opacity:1;color:rgb(107 114 128/var(--tw-text-opacity))}.text-gray-700{--tw-text-opacity:1;color:rgb(55 65 81/var(--tw-text-opacity))}.text-gray-900{--tw-text-opacity:1;color:rgb(17 24 39/var(--tw-text-opacity))}.text-white{--tw-text-opacity:1;color:rgb(255 255 255/var(--tw-text-opacity))}.underline{text-decoration-line:underline}.shadow{--tw-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--tw-shadow-colored:0 1px 3px 0 var(--tw-shadow-color),0 1px 2px -1px var(--tw-shadow-color)}.shadow,.shadow-sm{box-shadow:var(--tw-ring-offset-shadow,0 0 #0000),var(--tw-ring-shadow,0 0 #0000),var(--tw-shadow)}.shadow-sm{--tw-shadow:0 1px 2px 0 rgba(0,0,0,.05);--tw-shadow-colored:0 1px 2px 0 var(--tw-shadow-color)}.outline-none{outline:2px solid transparent;outline-offset:2px}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}html{font-size:18px}body{font-family:Verdana,sans-serif;margin:auto;padding:20px;width:100%;text-align:left;background-color:#ededed;word-wrap:break-word;overflow-wrap:break-word;line-height:1.5;color:#000}body::-webkit-scrollbar{display:none}.wrapper,main{max-width:680px}main{margin:0 auto}.markdown strong{font-weight:900}.markdown h2{font-size:1.5rem;line-height:2rem}.markdown h2,.markdown h3{margin-top:2rem;margin-bottom:2rem;font-weight:700}.markdown h3{font-size:1.25rem;line-height:1.75rem}.markdown h4{font-size:1.125rem;line-height:1.75rem;font-weight:700}.markdown h4,.markdown p{margin-top:1.5rem;margin-bottom:1.5rem}.markdown p{font-size:1rem;line-height:1.65rem}.markdown li p{margin-top:auto;margin-bottom:auto}.markdown pre{line-height:1.6rem;letter-spacing:.03rem}.markdown ul{list-style-type:disc;padding-left:1rem}.markdown ol{margin-top:1.75rem;margin-bottom:1.75rem;list-style-type:decimal;padding-left:1rem}.markdown li{margin-top:.5rem;margin-bottom:.5rem;margin-left:.5rem;font-size:1rem;line-height:1.5rem}.markdown blockquote{margin:1rem 0;border-left:5px solid gray;padding:.1rem 1.5rem;font-style:italic;background:#fff}.markdown a{line-height:1.8rem;color:#616161;text-decoration:underline}.markdown sup{vertical-align:baseline}.markdown li code,.markdown p code{background:gray;color:#fff;padding:2px 4px;border-radius:2px;font-size:.9rem}.markdown .admonition-title{opacity:80%;font-weight:700;font-style:normal;padding-left:20px;position:relative}.markdown .admonition-title:before{content:"";position:absolute;left:-5px;top:0;width:20px;height:20px;background-size:contain;background-repeat:no-repeat}.markdown blockquote.admonition{font-style:normal}.markdown blockquote.admonition p{margin-top:.75rem;margin-bottom:.75rem}.markdown .admonition.note{border-left:5px solid #cecfd2;background:#cecfd230}.markdown .admonition.info{border-left:5px solid #48adcb;background:#48adcb30}.markdown .admonition.tip{border-left:5px solid #158a1d;background:#158a1d30}.markdown .admonition.caution{border-left:5px solid #e1992d;background:#e1992d30}.markdown .admonition.danger{border-left:5px solid #da1639;background:#da163930}.markdown .remark-highlight{font-size:.8rem}b,h1,h2,h3,h4,h5,h6,strong{color:#222}a{--tw-text-opacity:1;color:rgb(107 114 128/var(--tw-text-opacity))}a:hover{text-decoration-line:underline}nav a{margin-right:10px}textarea{width:100%}input,textarea{font-size:16px}content{line-height:1.6}table{width:100%}img{max-width:100%;height:auto}.newsletter nav.toc{display:none}nav.toc{margin-top:1rem;margin-bottom:1rem;width:100%;--tw-bg-opacity:1;background-color:rgb(243 244 246/var(--tw-bg-opacity));padding:.75rem 1.25rem;--tw-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--tw-shadow-colored:0 1px 3px 0 var(--tw-shadow-color),0 1px 2px -1px var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow,0 0 #0000),var(--tw-ring-shadow,0 0 #0000),var(--tw-shadow)}@media (min-width:640px){nav.toc{border-radius:.5rem}}@media (min-width:768px){nav.toc{width:50%}}nav.toc ol{list-style:disc}nav.toc li,nav.toc ol{margin-top:0;margin-bottom:0}nav.toc li{font-size:.875rem;line-height:1.25rem}nav.toc:before{content:"目錄";margin-top:0;margin-bottom:0;font-size:1rem;line-height:1.5rem;font-weight:700}#footnote-label{display:none}.footnotes li p{margin:0}main{animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0;transform:translateX(-3%)}to{opacity:1;transform:translateX(0)}}#progress-bar{--scrollAmount:0%;background-color:#000;width:var(--scrollAmount);z-index:100;height:5px;position:fixed;top:0;left:0}[href="#footnote-label"]{display:none}.markdown.custom-markdown *{font-size:.8rem;line-height:1.3rem;margin-top:0;margin-bottom:0}.markdown.custom-markdown blockquote{border-left:5px solid gray;padding:.2rem 1.5rem .2rem 1rem;background:#fff}.markdown.custom-markdown .footnotes li,.markdown.custom-markdown .footnotes li a,.markdown.custom-markdown .footnotes li span,.markdown.custom-markdown sup a{font-size:.6rem}.markdown blockquote.twitter-tweet{margin:1rem 0;padding:0;font-style:normal;background:transparent;border:none}.markdown blockquote.twitter-tweet p{margin:0;line-height:normal}.markdown blockquote.twitter-tweet a{color:inherit;text-decoration:none}.twitter-tweet{margin:1rem 0!important;padding:0!important;font-style:normal!important;background:transparent!important;border:none!important}.twitter-tweet p{margin:0!important;line-height:normal!important}.twitter-tweet a{color:inherit!important;text-decoration:none!important}.hover\:bg-gray-700:hover{--tw-bg-opacity:1;background-color:rgb(55 65 81/var(--tw-bg-opacity))}.hover\:underline:hover{text-decoration-line:underline}.focus\:border-b-2:focus{border-bottom-width:2px}.focus\:border-gray-500:focus{--tw-border-opacity:1;border-color:rgb(107 114 128/var(--tw-border-opacity))}.focus\:outline-none:focus{outline:2px solid transparent;outline-offset:2px}.focus\:ring-2:focus{--tw-ring-offset-shadow:var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow:var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow,0 0 #0000)}.focus\:ring-offset-2:focus{--tw-ring-offset-width:2px}@media (min-width:640px){.sm\:ml-3{margin-left:.75rem}.sm\:mt-0{margin-top:0}.sm\:flex{display:flex}.sm\:w-auto{width:auto}.sm\:max-w-xs{max-width:20rem}.sm\:items-center{align-items:center}.sm\:rounded-lg{border-radius:.5rem}.sm\:p-6{padding:1.5rem}.sm\:text-sm{font-size:.875rem;line-height:1.25rem}}@media (min-width:768px){.md\:sticky{position:sticky}.md\:top-0{top:0}.md\:my-0{margin-bottom:0}.md\:mt-0,.md\:my-0{margin-top:0}.md\:mt-12{margin-top:3rem}.md\:inline{display:inline}.md\:w-1\/2{width:50%}.md\:w-2\/3{width:66.666667%}.md\:w-\[65ch\]{width:65ch}.md\:max-w-\[30\%\]{max-width:30%}.md\:flex-row{flex-direction:row}.md\:flex-wrap{flex-wrap:wrap}.md\:items-center{align-items:center}.md\:space-y-8>:not([hidden])~:not([hidden]){--tw-space-y-reverse:0;margin-top:calc(2rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(2rem * var(--tw-space-y-reverse))}.md\:py-6{padding-top:1.5rem;padding-bottom:1.5rem}}code[class*=language-],pre[class*=language-]{color:#ccc;background:none;font-family:Consolas,Monaco,Andale Mono,Ubuntu Mono,monospace;font-size:1em;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:1.5;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;hyphens:none}pre[class*=language-]{padding:1em;margin:.5em 0;overflow:auto}:not(pre)>code[class*=language-],pre[class*=language-]{background:#2d2d2d}:not(pre)>code[class*=language-]{padding:.1em;border-radius:.3em;white-space:normal}.token.block-comment,.token.cdata,.token.comment,.token.doctype,.token.prolog{color:#999}.token.punctuation{color:#ccc}.token.attr-name,.token.deleted,.token.namespace,.token.tag{color:#e2777a}.token.function-name{color:#6196cc}.token.boolean,.token.function,.token.number{color:#f08d49}.token.class-name,.token.constant,.token.property,.token.symbol{color:#f8c555}.token.atrule,.token.builtin,.token.important,.token.keyword,.token.selector{color:#cc99cd}.token.attr-value,.token.char,.token.regex,.token.string,.token.variable{color:#7ec699}.token.entity,.token.operator,.token.url{color:#67cdcc}.token.bold,.token.important{font-weight:700}.token.italic{font-style:italic}.token.entity{cursor:help}.token.inserted{color:green}