*,*::before,*::after{box-sizing:inherit;-webkit-box-sizing:inherit;-moz-box-sizing:inherit}html{box-sizing:border-box;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;font-weight:400;font-size:14px;line-height:1.2}body{margin:0;-webkit-overflow-scrolling:touch;text-size-adjust:100%;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;-ms-text-size-adjust:100%}p{margin:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0}hr{margin:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0;-webkit-margin-before:0;-webkit-margin-after:0;-webkit-margin-start:0;-webkit-margin-end:0;border-top-style:inset;border-top-width:1px;border-right:none;border-bottom:none;border-left:none}ol,ul{margin:0;padding:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0;padding-inline-start:0;-webkit-margin-before:0;-webkit-margin-after:0;-webkit-margin-start:0;-webkit-margin-end:0;-webkit-padding-start:0}dl{margin:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0;-webkit-margin-before:0;-webkit-margin-after:0;-webkit-margin-start:0;-webkit-margin-end:0}dd{margin-left:0;margin-inline-start:0;-webkit-margin-start:0}table{line-height:inherit;font-weight:400;font-size:inherit}th{font-weight:600}tt,code,kbd,samp,pre{font-family:monospace}pre{margin:0;white-space:pre;word-break:normal;word-wrap:normal}blockquote{margin:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0}h1,h2,h3,h4,h5,h6{margin:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0;font-weight:600}strong,b{font-weight:600}mark{color:currentColor;background-color:#ff0}svg,img{max-width:100%;border:none}@font-face{font-family:fontello;src:url(../assets/font/fontello.eot?32072760);src:url(../assets/font/fontello.eot?32072760#iefix)format('embedded-opentype'),url(../assets/font/fontello.woff2?32072760)format('woff2'),url(../assets/font/fontello.woff?32072760)format('woff'),url(../assets/font/fontello.ttf?32072760)format('truetype'),url(../assets/font/fontello.svg?32072760#fontello)format('svg');font-weight:400;font-style:normal}@font-face{font-family:jetbrains mono;src:url(../assets/font/jetbrains-mono.woff2)format("woff"),url(../assets/font/jetbrains-mono.ttf)format('truetype');font-weight:400;font-style:normal}@font-face{font-family:silkscreen;src:url(../assets/font/silkscreen.woff2)format('woff2'),url(../assets/font/silkscreen.woff)format('woff')url(../assets/font/silkscreen.ttf)format('truetype');font-weight:400;font-style:normal}@font-face{font-family:silkscreen-bold;src:url(../assets/font/silkscreen-bold.woff2)format('woff2'),url(../assets/font/silkscreen-bold.woff)format('woff')url(../assets/font/silkscreen-bold.ttf)format('truetype');font-weight:400;font-style:normal}[class^=icon-]:before,[class*=" icon-"]:before{font-family:fontello;font-style:normal;font-weight:400;speak:never;display:inline-block;text-decoration:inherit;width:1em;margin-right:.2em;text-align:center;font-variant:normal;text-transform:none;line-height:1em;margin-left:.2em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.icon-ok-circled:before{content:'\e800'}.icon-cancel-circled:before{content:'\e801'}.icon-info-circled:before{content:'\e802'}.icon-help-circled:before{content:'\e803'}.icon-minus-circled:before{content:'\e804'}.icon-pencil:before{content:'\e805'}.icon-comment:before{content:'\e806'}.icon-chat:before{content:'\e807'}.icon-bell:before{content:'\e808'}.icon-attention-circled:before{content:'\e809'}.icon-attention:before{content:'\e80a'}.icon-cog:before{content:'\e80b'}.icon-cog-alt:before{content:'\e80c'}.icon-wrench:before{content:'\e80d'}.icon-block:before{content:'\e80e'}.icon-clock:before{content:'\e80f'}.icon-back-in-time:before{content:'\e810'}.icon-down-circled2:before{content:'\e811'}.icon-up-circled2:before{content:'\e812'}.icon-previous:before{content:'\e813'}.icon-next:before{content:'\e814'}.icon-up-open:before{content:'\e815'}.icon-down-open:before{content:'\e816'}.icon-globe:before{content:'\e817'}.icon-signal:before{content:'\e818'}.icon-book:before{content:'\e819'}.icon-floppy:before{content:'\e81a'}.icon-calendar:before{content:'\e81b'}.icon-export:before{content:'\e81c'}.icon-export-1:before{content:'\e81d'}.icon-folder:before{content:'\e81e'}.icon-folder-open:before{content:'\e81f'}.icon-tags-1:before{content:'\e820'}.icon-tag:before{content:'\e821'}.icon-twitter:before{content:'\f099'}.icon-facebook:before{content:'\f09a'}.icon-github-circled:before{content:'\f09b'}.icon-rss:before{content:'\f09e'}.icon-certificate:before{content:'\f0a3'}.icon-beaker:before{content:'\f0c3'}.icon-list-bullet:before{content:'\f0ca'}.icon-list-numbered:before{content:'\f0cb'}.icon-linkedin:before{content:'\f0e1'}.icon-comment-empty:before{content:'\f0e5'}.icon-chat-empty:before{content:'\f0e6'}.icon-bell-alt:before{content:'\f0f3'}.icon-doc-text:before{content:'\f0f6'}.icon-quote-left:before{content:'\f10d'}.icon-quote-right:before{content:'\f10e'}.icon-github:before{content:'\f113'}.icon-folder-empty:before{content:'\f114'}.icon-folder-open-empty:before{content:'\f115'}.icon-code:before{content:'\f121'}.icon-fork:before{content:'\f126'}.icon-calendar-empty:before{content:'\f133'}.icon-angle-circled-left:before{content:'\f137'}.icon-angle-circled-right:before{content:'\f138'}.icon-angle-circled-up:before{content:'\f139'}.icon-angle-circled-down:before{content:'\f13a'}.icon-play-circled:before{content:'\f144'}.icon-export-alt:before{content:'\f14d'}.icon-doc-inv:before{content:'\f15b'}.icon-doc-text-inv:before{content:'\f15c'}.icon-youtube-squared:before{content:'\f166'}.icon-youtube:before{content:'\f167'}.icon-youtube-play:before{content:'\f16a'}.icon-stackoverflow:before{content:'\f16c'}.icon-bug:before{content:'\f188'}.icon-stackexchange:before{content:'\f18d'}.icon-right-circled2:before{content:'\f18e'}.icon-left-circled2:before{content:'\f190'}.icon-reddit:before{content:'\f1a1'}.icon-reddit-squared:before{content:'\f1a2'}.icon-steam:before{content:'\f1b6'}.icon-steam-squared:before{content:'\f1b7'}.icon-database:before{content:'\f1c0'}.icon-file-code:before{content:'\f1c9'}.icon-git:before{content:'\f1d3'}.icon-paper-plane:before{content:'\f1d8'}.icon-paper-plane-empty:before{content:'\f1d9'}.icon-share:before{content:'\f1e0'}.icon-wifi:before{content:'\f1eb'}.icon-paypal:before{content:'\f1ed'}.icon-bell-off:before{content:'\f1f6'}.icon-bell-off-empty:before{content:'\f1f7'}.icon-facebook-official:before{content:'\f230'}.icon-server:before{content:'\f233'}.icon-expeditedssl:before{content:'\f23e'}.icon-battery-4:before{content:'\f240'}.icon-battery-3:before{content:'\f241'}.icon-battery-2:before{content:'\f242'}.icon-battery-1:before{content:'\f243'}.icon-battery-0:before{content:'\f244'}.icon-hourglass-1:before{content:'\f251'}.icon-hourglass-2:before{content:'\f252'}.icon-hourglass-3:before{content:'\f253'}.icon-hourglass:before{content:'\f254'}.icon-reddit-alien:before{content:'\f281'}.icon-usb:before{content:'\f287'}.icon-pause-circle:before{content:'\f28b'}.icon-pause-circle-o:before{content:'\f28c'}.icon-stop-circle:before{content:'\f28d'}.icon-stop-circle-o:before{content:'\f28e'}.icon-hashtag:before{content:'\f292'}.icon-bluetooth:before{content:'\f293'}.icon-bluetooth-b:before{content:'\f294'}.icon-gitlab:before{content:'\f296'}.icon-envelope-open:before{content:'\f2b6'}.icon-envelope-open-o:before{content:'\f2b7'}.icon-microchip:before{content:'\f2db'}.icon-github-squared:before{content:'\f300'}.icon-twitter-squared:before{content:'\f304'}.icon-facebook-squared:before{content:'\f308'}.icon-linkedin-squared:before{content:'\f30c'}:root{color-scheme:light dark;supported-color-schemes:light dark;--scrollbar-color:rgba(0, 0, 0, 0.175) transparent;--scrollbar-thumb-color:rgba(0, 0, 0, 0.175);--scrollbar-thumb-hover-color:rgba(0, 0, 0, 0.35);--separator-color:1px rgba(199,213,246,.25) solid;--font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, 'Microsoft YaHei', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji';--monospace-font-family:"JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", "Cascadia Code", "Source Code Pro", Menlo, Consolas, "Liberation Mono", monospace;--alert-font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--icon-font-family:"fontello";--text-color:#24292e;--text-color-disabled:#42474d;--text-color-highlighted:rgba(12, 242, 143, .2);--text-color-anchor:#06c;--text-color-anchor-hover:rgb(0, 118, 236);--text-color-anchor-visited:rgb(0, 77, 154);--text-color-code:#c33;--text-color-table-heading:#1d2b4c;--text-color-meta-content:#003d79;--text-color-title:rgba(29, 43, 76, .85);--text-color-subtitle:#24292e;--background-color:#f3f6f9;--background-color-code:#f9f6f6;--background-color-pre:#f6f8fa;--background-table-row-even:#f3f6fa;--background-color-article:#fff;--shadow-header:0 12px 16px 0 rgba(29, 43, 76, .12);--shadow-article:0 12px 16px 0 rgba(29, 43, 76, .12);--taxonomy-color:rgb(36, 41, 46);--title-color:rgb(29,43,76);--subtitle-color:var(--title-color);--social-background-color:#fff;--social-text-color:#24292e;--social-background-color-hover:#6ae;--social-text-color-hover:#fff;--taxonomy-color:var(--text-color);--markdown-text-color:var(--text-color);--markdown-text-color-disabled:var(--text-color-disabled);--markdown-text-color-heading:#1d2b4c;--markdown-text-color-quote:rgb(90, 87, 87);--markdown-text-color-emphasis:var(--text-color-emphasis);--markdown-text-color-highlighted:var(--text-color-highlighted);--markdown-text-color-code:var(--text-color-code);--markdown-text-color-anchor:#2997ff;--markdown-text-color-anchor-hover:#2997ff;--markdown-text-color-anchor-visited:#2997ff;--markdown-border-color-quote:#6a737d;--markdown-border-color:#e6e6e6}@media(prefers-color-scheme:dark){:root{--scrollbar-color:rgba(255, 255, 255, 0.25) transparent;--scrollbar-thumb-color:rgba(255, 255, 255, 0.25);--scrollbar-thumb-hover-color:rgba(255, 255, 255, 0.5);--text-color:#d8dde2;--text-color-disabled:#ccc;--text-color-highlighted:#515b70;--text-color-anchor:#6ae;--text-color-code:#fc69a9;--text-color-table-heading:#c7d5f6;--text-color-meta-content:#b9ccf9;--text-color-title:#c7d5f6;--text-color-subtitle:#d8dde2;--background-color:#0d1117;--background-color-code:rgba(240, 246, 252, 0.05);--background-color-pre:#393b3d;--background-table-row-even:rgba(51, 54, 58, .35);--background-color-article:#21262d;--shadow-header:0 12px 16px 0 rgba(1, 4, 9, .50);--shadow-article:0 12px 16px 0 rgba(1, 4, 9, .85);--taxonomy-color:rgb(199, 213, 246);--title-color:rgb(199, 213, 246);--social-background-color:#21262d;--social-text-color:#fff;--social-background-color-hover:#6ae;--social-text-color-hover:#000;--taxonomy-color:#c7d5f6;--markdown-text-color-heading:#c7d5f6;--markdown-text-color-quote:rgb(230, 237, 243);--markdown-border-color-quote:#9aa3ad;--markdown-border-color:rgba(199, 213, 246, .25)}}*{scrollbar-width:auto;scrollbar-color:var(--scrollbar-color)}*::-webkit-scrollbar{width:12px;height:12px}*::-webkit-scrollbar-track-piece{background:0 0}*::-webkit-scrollbar-track{background:0 0}*::-webkit-scrollbar-thumb{background-color:var(--scrollbar-thumb-color);background-clip:padding-box;border-radius:6px;border:2px solid transparent}*::-webkit-scrollbar-thumb:hover{background-color:var(--scrollbar-thumb-hover-color)}html{font-family:var(--font-family);font-size:16px;font-weight:400;line-height:1.5;scroll-behavior:smooth}body{display:block;color:var(--text-color);background-color:var(--background-color);word-break:normal;word-wrap:break-word;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;padding-top:constant(safe-area-inset-top);padding-right:constant(safe-area-inset-right);padding-bottom:constant(safe-area-inset-bottom);padding-left:constant(safe-area-inset-left);padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.25}h1{font-size:1.75em}h2{font-size:1.5em}h3{font-size:1.25em}h4{font-size:1em}h5{font-size:.85em}h6{font-size:.7em}blockquote,q{quotes:none;margin:0}mark{background-color:var(--text-color-highlighted)}mark{padding-left:.15em;padding-right:.15em;border-radius:3px}code,tt,kbd,samp{font-family:var(--monospace-font-family);font-weight:400;font-size:85%}pre{display:block;text-align:left;font-size:80%;line-height:1.5em;margin:0;padding:16px;border-radius:3px;background-color:var(--background-color-pre);-o-tab-size:4;-moz-tab-size:4;tab-size:4;overflow:auto}code,kbd,tt,samp{font-family:var(--monospace-font-family);font-weight:400;font-size:85%;color:var(--text-color-code);padding:.2em .4em;margin:0;font-size:85%;background-color:var(--background-color-code);border-radius:3px}a>code,a>kbd,a>tt,a>samp{color:var(--text-color-anchor)}pre code,pre kbd,pre tt,pre samp{display:inline;font-size:inherit;color:inherit;padding:0;border-radius:0;background-color:transparent}table{border-spacing:0;border-collapse:collapse}td,th{padding:0}table thead{color:var(--text-color-table-heading)}table tr:nth-child(even){background-color:var(--background-table-row-even)}a{color:var(--text-color-anchor);text-decoration:none;-webkit-tap-highlight-color:transparent;-webkit-text-decoration-skip:objects;-moz-text-decoration-skip:objects;text-decoration-skip:objects}a:hover{text-decoration:underline}del{opacity:.5}abbr,acronym{cursor:help}.markdown-content a{color:var(--markdown-text-color-anchor)}.markdown-content a:visited{color:var(--markdown-text-color-anchor-visited)}.markdown-content a:hover{color:var(--markdown-text-color-anchor-hover)}.markdown-body{display:block;margin-top:20px;margin-bottom:20px;background-image:linear-gradient(90deg,rgba(50,0,0,5%) 3%,transparent 3%),linear-gradient(360deg,rgba(50,0,0,5%) 3%,transparent 3%);background-size:20px 20px;background-position:50%}.markdown-body b,.markdown-body strong{color:var(--markdown-text-color-emphasis);font-weight:700}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{color:var(--markdown-text-color-heading);margin-top:24px;margin-bottom:20px}.markdown-body h1,.markdown-body h2{padding-bottom:.3em;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:var(--markdown-border-color)}.markdown-body img{border-radius:3px}.markdown-body blockquote,.markdown-body q{color:var(--markdown-text-color-quote)}.markdown-body blockquote{padding:0 1em;border-left-width:.25em;border-left-style:solid;border-left-color:var(--markdown-border-color-quote)}.markdown-body q::before,.markdown-body q::after{opacity:.6}.markdown-body q::before{content:"\275D"}.markdown-body q::after{content:"\275E"}.markdown-body ol,.markdown-body ul{margin-bottom:20px;margin-block-end:20px;-webkit-margin-after:20px;padding-inline-start:40px;-webkit-padding-start:40px;padding-left:40px}.markdown-body hr{opacity:.4;border-top-style:dashed;border-top-color:inherit}.markdown-body table{display:block;width:100%;overflow:auto}.markdown-body table tr{border:0}.markdown-body table th{font-weight:600}.markdown-body table td,.markdown-body table th{min-width:86px;padding:6px 13px;border-width:1px;border-style:solid;border-color:var(--markdown-border-color)}.markdown-body table th:empty{padding:0;border:0}.markdown-body .plstable th{max-width:25%}.markdown-body>*,.markdown-body li>*,.markdown-body blockquote>*,.markdown-body .footnotes>*{margin-top:20px;margin-bottom:20px}.markdown-body>:first-child,.markdown-body li>:first-child,.markdown-body blockquote>:first-child{margin-top:20px}.markdown-body>:last-child,.markdown-body li>:last-child,.markdown-body blockquote>:last-child{margin-bottom:0}a.markdown-link::after{padding-left:5px;font-family:var(--icon-font-family);content:'\e81c'}a.markdown-link::after kbd,a.markdown-link::after code,a.markdown-link::after tt,a.markdown-link::after samp{background-color:var(--background-color-code)}.markdown-body .katex-display{display:inline-block}.markdown-body .katex,.markdown-body .MathJax{margin:0;padding:0}.markdown-body .katex-display,.markdown-body .MathJax_Display{margin:0;padding:.2em .4em}.markdown-body .MathJax{outline:none}.markdown-body .lntable{border-radius:3px;border-width:1px;border-style:solid;border-color:var(--markdown-border-color)}.markdown-body .lntable .lntd .lnt{display:block;margin:0;padding:0}.markdown-body .lntable .lntd{min-width:0;padding:0 5px;border:0}.markdown-body .lntable .lntd pre{overflow:visible;width:100%;margin-left:-15px;margin-right:-15px;border:0}.markdown-body .lntable tr>:first-child{border-right-width:1px;border-right-style:dashed;border-right-color:var(--markdown-border-color)}.sr-only{display:none}@media only screen and (min-width:320px) and (max-width:768px){.visible-on-wide-devices{visibility:none!important;display:none!important}.visible-on-small-devices{visibility:visible!important;display:block!important}}.visible-on-wide-devices{visibility:visible;display:block}.visible-on-small-devices{visibility:none;display:none}.image-container,.image-container .link,.image-container .caption{display:block}.image-container{text-align:center}.image-container .title{display:inline-block;opacity:.6;font-size:.875em;text-align:initial;min-height:22px;padding:10px 5px}@media(prefers-color-scheme:light){.alert{--alert-text-color:rgb(31, 35, 40);--alert-background-color:transparent}.alert-note{--alert-border-color:#0969da;--alert-title-color:#0969da}.alert-tip{--alert-border-color:#1f883d;--alert-title-color:#1a7f37}.alert-warning{--alert-border-color:#9a6700;--alert-title-color:#9a6700}.alert-important{--alert-border-color:#8250df;--alert-title-color:#8250df}.alert-critical{--alert-border-color:#cf222e;--alert-title-color:#d1242f}.alert-quote{--alert-border-color:rgb(95, 95, 95);--alert-title-color:rgb(90, 87, 87)}}@media(prefers-color-scheme:dark){.alert-note{--alert-border-color:#1f6feb;--alert-title-color:#2f81f7}.alert-tip{--alert-border-color:#238636;--alert-title-color:#3fb950}.alert-warning{--alert-border-color:#9e6a03;--alert-title-color:#d29922}.alert-important{--alert-border-color:#8957e5;--alert-title-color:#a371f7}.alert-critical{--alert-border-color:#da3633;--alert-title-color:#f85149}.alert-quote{--alert-border-color:rgb(95, 95, 95);--alert-title-color:rgb(155, 155, 155)}.alert{--alert-text-color:rgb(230, 237, 243);--alert-background-color:rgba(0, 0, 0, 0.2)}}.alert{background:var(--alert-background-color);border-left-color:var(--alert-border-color);border-left-style:solid;border-left-width:.25em;font-family:var(--alert-font-family);font-size:14px;margin:1rem 0;padding:.5rem 1rem;position:relative}.alert .iconfont{font-size:16px}.alert-title{box-sizing:border-box;color:var(--alert-title-color);display:flex;fill:var(--alert-title-color);font-weight:700;line-height:1;margin-top:0}.alert-message,.alert-message>p,.alert-message>b,.alert-message>i,.alert-message>strong,.alert-message>em{color:var(--alert-text-color)}.alert-message{float:none;display:block;color:var(--alert-text-color);margin-top:16px;line-height:1.5}.alert-message p{margin-bottom:16px}.alert-message p:last-child{margin-bottom:0!important}.alert-quote>blockquote.alert-message{border-left:0;padding-left:0;border-left:none}.alert-icon{margin-right:.5rem}.alert-header{display:flex;align-items:center;line-height:1}#TableOfContents ul{margin-top:0;counter-reset:item;list-style-type:none;list-style-position:inside}#TableOfContents ul li::before{counter-increment:item;content:counters(item,".")". "}#header{min-height:64px;margin-bottom:30px;background-color:#fff;box-shadow:var(--shadow-header)}#content{display:block;margin:0 auto;max-width:1012px}#footer{font-size:.75em;margin-top:48px;margin-bottom:30px}#header,#footer{padding-left:15px;padding-right:15px}.header.wrap{overflow:hidden}.header.wrap,.nav.wrap{margin-top:-5px}.header.wrap>*,.nav.wrap>*{margin-top:5px}.heading-anchor,.heading-return{opacity:.2;margin-left:.1em;margin-right:.1em}.heading-anchor:hover,.heading-return:hover{opacity:1;text-decoration:none}.heading-return{text-align:right}.article.social-share a{color:#24292e;text-decoration:none;font-size:2rem;margin:.25rem}.article.social-share a:hover{opacity:.7;text-decoration:none}.header.slogan{font-family:var(--font-family);margin-left:1em;padding-left:1em;font-size:14px;display:inline-block;margin-top:1em;padding-top:.5em;padding-bottom:.5em;margin-bottom:1em;border-left:var(--separator-color)}.site.home:hover{opacity:.5;text-decoration:none}.site.logo{height:42px;border-radius:3px;vertical-align:middle;margin-right:8px}.site.name{color:var(--title-color)}.site.slogan{font-size:.875em;text-align:center}.site.slogan .title{display:inline-block;text-align:initial;min-height:22px}.nav.item{display:inline-block;padding:1rem;text-transform:uppercase;font-weight:700;color:#1d2b4c}.footer-wrap{display:block;text-align:center}.date,.reading-time{font-size:.875em}.langs{display:inline-block;list-style:none;font-size:.875em}.lang{margin-left:10px}.note.list{margin:0;padding:0;list-style:none}a.contact{color:var(--taxonomy-color)}h2.taxonomy-title{color:var(--taxonomy-color);display:inline-block}h2.taxonomy-type-tag::before{font-family:var(--icon-font-family);content:"\e821";padding-right:5px}h2.taxonomy-type-category::before{font-family:var(--icon-font-family);content:"\e81f";padding-right:5px}.note.list .item{width:100%;margin-top:16px;padding:32px;background-color:#fff;border-radius:6px;box-shadow:inset -1px 0 rgba(224,227,231,.6),inset 0 -1px #e0e4e7,inset 1px 0 rgba(224,227,231,.6)}.note.list .item:hover{box-shadow:0 2px 6px #e0e4e7,inset -1px 0 rgba(224,227,231,.3),inset 0 -1px #e0e4e7,inset 1px 0 rgba(224,227,231,.2)}.nav.item:hover{opacity:.7;text-decoration:none;background-color:#dcdee0}.taxonomy:hover,.contact:hover,.tag:hover,.category:hover{opacity:.5;text-decoration:none}.title{color:rgba(29,43,76,.85)}.note{display:block;text-decoration:none}.note:hover{text-decoration:none}.note.title,.site.name{font-size:1.125em;font-weight:600}.mldr{opacity:.6}.note.title,.note.date,.note.content,.note.imgs,.note.labels{margin:0 0}.note.content{color:#24292e}.note.imgs{display:block;border:0 solid transparent}.note.imgs .img{object-fit:cover;height:80px;min-width:80px;max-width:120px;border-radius:4px;border-width:1px;border-style:solid;border-color:var(--markdown-border-color);margin:5px 0 0 5px}.cover{width:100%}.article.header{margin-bottom:1.5em;padding-bottom:1.5em;border-bottom:var(--separator-color)}.list-entry.article.header{padding-top:2rem}.article.title{margin-bottom:.5rem;display:inline-block;width:fit-content}.article.entry-title{display:inline-block}.article.subtitle{font-weight:lighter;margin-bottom:.5rem}ul.taxonomy-entries{display:block}ul.taxonomy-entries>li::before{content:none}ul.taxonomy-entries>li{list-style:none}.article.subscription{margin-top:1rem}.article.entry-header,.article.header{margin-bottom:1rem;padding-bottom:1rem;border-bottom:var(--separator-color)}.article.entry-footer{border-top:var(--separator-color);padding-top:1.5em;margin-top:.5rem}.article.entry{text-align:left}h1.article.entry-title,h1.article.title{text-align:left;font-size:2rem;margin-bottom:.5rem}a h1.article.entry-title,a h1.article.title{color:var(--text-color-title);margin-bottom:.5rem}a h2.article.entry-subtitle,a h2.article.subtitle{color:var(--text-color-subtitle)}.article.entry-header.header a:hover{text-decoration:none;opacity:.7}.social{margin:.5rem}.social a{font-size:1.5rem;background:var(--social-background-color);color:var(--social-text-color);padding:.25rem;margin:0 .5rem;border-radius:50%;box-shadow:0 12px 16px rgba(29,43,76,.12);display:inline-block;width:3rem;height:3rem;text-align:center;vertical-align:middle;animation:social-fade-out .5s}.social a:hover{background:var(--social-background-color-hover);color:var(--social-text-color-hover);animation:social-fade-in .5s}@keyframes social-fade-in{0%{background:var(--social-background-color);color:var(--social-text-color)}100%{background:var(--social-background-color-hover);color:var(--social-text-color-hover)}}@keyframes social-fade-out{0%{background:var(--social-background-color-hover);color:var(--social-text-color-hover)}100%{background:var(--social-background-color);color:var(--social-text-color)}}.article.date{margin-top:5px}.tag,.category{display:inline-block;margin:5px 8px 5px 0}.category{font-weight:700}.tag::before{font-family:var(--icon-font-family);content:"\e821";padding-right:5px}.category::before{font-family:var(--icon-font-family);content:"\e81f";padding-right:5px}.tag,.category{color:var(--taxonomy-color)}a.article.entry-bookmark{display:inline-block;width:fit-content}.article.entry-date.date{display:block}ul.translations{float:right;width:fit-content}ul.translations>li::marker{content:none}ul.translations>li{list-style:none;display:inline-block}ul.article-taxonomy>li::marker{display:none}ul.article-taxonomy>li{list-style:none;display:inline-block}ul.nav{display:inline-block}ul.nav>li{list-style:none;display:inline-block}ul.nav>li::marker{content:none}@media(max-width:740px){ul.nav{display:block}ul.nav>li{display:block}}.header.title{display:block;width:fit-content;float:left;padding:1rem}.header.nav{display:block;float:right;width:fit-content}@media(max-width:740px){.header.title{float:left;clear:both;width:100%;text-align:center}.header.nav{clear:both;width:100%;text-align:center}.nav>li{width:100%}.nav.item{display:block;width:100%;padding-top:.25em;padding-bottom:.25em}}.translation::before,.translation-current::before{content:"[";padding-right:2px}.translation::after,.translation-current::after{content:"]";padding-left:2px}.translation::before,.translation::after,.translation-current::before,.translation-current::after{color:var(--text-color)}.translation-current{color:var(--text-color-disabled)}.article.date{display:inline;padding-right:5px}.article.translations{display:inline;font-size:14px;font-family:var(--monospace-font-family)}.article.labels,.article.license,.article.author,.article.navigation,.article.discussion,.article.share{margin-top:32px}.article.discussion{border-top-width:1px;border-top-style:dashed;border-bottom-width:1px;border-bottom-style:dashed;border-color:var(--markdown-border-color)}.article.navigation p{margin:0}.article.navigation p+p{margin-top:5px}.article.navigation .link{font-weight:600}.article.bottom-navigation{margin-top:1.5em;margin-bottom:1.5em}.article.bottom-navigation>.previous-and-next::after{content:" ";display:block;height:0;clear:both}.article.bottom-navigation>.related-articles{text-align:center}@media only screen and (min-width:320px) and (max-width:768px){.article.bottom-navigation .previous-article{float:none!important;text-align:center!important}.article.bottom-navigation .next-article{float:none!important;text-align:center!important}}.related-articles>ol{list-style:none}.article.bottom-navigation .previous-article{float:left;text-align:left}.article.bottom-navigation .next-article{float:right;text-align:right}.article.license{background-color:#ecf4fb;border-radius:4px;margin:.8em;padding:.925em 1.4em;border:1px solid #b7d8ef}.article.author{text-align:center}.article.author>*{margin-top:16px}.article.author .avatar{display:block;max-width:130px;margin:auto;border-radius:3px}.article.author .name{font-size:1.25em}.article.author .bio{color:#586069}.article.author .details .item{display:inline-block;margin-left:10px;margin-right:10px}.article.author .details .item:hover{text-decoration:none;opacity:.5}.slogan,.date,.license,.reading-time{color:var(--text-color-meta-content)}.article.reading-time::before{font-family:var(--icon-font-family);content:'\e80f';padding-right:5px}.pagination{display:block;text-align:center;margin:30px 0}.pagination ul{display:inline-block;list-style:none;font-weight:600;padding:0;margin:0}.pagination ul li{display:inline}.pagination ul li a{color:#06c;float:left;padding:8px 16px;text-decoration:none}.pagination ul li a.active{background-color:#06c;color:#fff}.pagination ul li a:hover:not(.active){background-color:rgba(0,102,204,.5)}.article-container{padding:32px;border-radius:6px;box-shadow:var(--shadow-article);background-color:var(--background-color-article)}.article-container.entry{margin:1.5rem 0}@media(max-width:1012px){.note.list .item,.article-container{padding:24px;border-radius:0;box-shadow:none}.article.bottom{padding-left:8px;padding-right:8px}}.article.entry-footer{display:flex}.article-footer.author{width:fit-content}.article-footer.article-labels{width:fit-content}.article.metadata{margin-top:20px}time.date{width:10em;display:inline-block}ul.taxonomy-terms{column-count:3}@media(max-width:320px){ul.taxonomy-terms{column-count:1}}@media(min-width:320px) and (max-width:768px){ul.taxonomy-terms{column-count:2}}ul.taxonomy-terms>li::marker{content:none}ul.taxonomy-terms>li{list-style:none}.embed-youtube{margin:auto}.embed{width:100%;display:flex}@media(min-width:768px){.article-author-contact{float:none}}.article-author-contact{display:block;float:left;padding-left:1em}.article-author-avatar{display:block;float:left}ul.article-author-contact::marker{content:none}ul.article-author-contact>li{display:inline-block;list-style:none}ul.article-author-contact{display:inline-block}ul.article-author-contact>li.contact-author-name{display:block}.article-footer.article-author{margin-right:1em;padding-right:-1em;display:inline-block;border-right:var(--separator-color)}.article-footer.article-author,.article{width:100%}.author-email:before,.author-github:before,.author-reddit:before,.author-linkedin:before,.author-stackoverflow:before{display:block;font-family:var(--icon-font-family);padding-right:5px}.author-email:before{content:'\f2b6'}time.published:before{display:inline-block;font-family:var(--icon-font-family);padding-right:5px;content:'\e81b'}.author-github:before{content:'\f113'}.author-reddit:before{content:'\f281'}.author-linkedin:before{content:'\f30c'}.author-stackoverflow:before{content:'\f16c'}.contact{font-size:20px}ul.article-header-meta>li::marker{content:none}ul.article-header-meta{display:block}ul.article-header-meta>li{display:inline-block;padding-right:.5em;list-style:none}@media(prefers-color-scheme:dark){.article.social-share a{color:#d8dde2}.slogan,.date,.license,.reading-time{color:#b9ccf9}.title,.site.name{color:#c7d5f6}.note.content{color:#d8dde2}.nav.item{color:#c7d5f6}.nav.item:hover{background-color:#15181d}.markdown-body{background-image:linear-gradient(90deg,rgba(250,200,200,5%) 3%,transparent 3%),linear-gradient(360deg,rgba(250,200,200,5%) 3%,transparent 3%)}.pagination ul li a:hover:not(.active){background-color:rgba(41,151,255,.5)}.taxonomy,.tag,.category,.contact{color:#c7d5f6}#header{background-color:#21262d}.note.list .item{background-color:#21262d;box-shadow:inset -1px 0 rgba(14,17,21,.6),inset 0 -1px #0e1215,inset 1px 0 rgba(14,17,21,.6)}.note.list .item:hover{box-shadow:0 2px 6px #0e1215,inset -1px 0 rgba(14,17,21,.3),inset 0 -1px #0e1215,inset 1px 0 rgba(14,17,21,.2)}.article.author .bio{color:#828997}.article.license{background-color:#345;border-color:#456}@media(max-width:500px){.note.list .item,.article-container{box-shadow:none}}}pre,.chroma{color:#24292e;background-color:#fff}.chroma .err{color:#d73a49}.chroma .lntd{vertical-align:top;padding:0;margin:0;border:0}.chroma .lntable{border-spacing:0;padding:0;margin:0;border:0;width:auto;overflow:auto;display:block}.chroma .hl{display:block;width:100%;background-color:#fffbdd}.chroma .lnt{margin-right:.4em;padding:0 .4em;color:#7f7f7f}.chroma .ln{margin-right:.4em;padding:0 .4em;color:#7f7f7f}.chroma .k{color:#d73a49}.chroma .kc{color:#d73a49}.chroma .kd{color:#d73a49}.chroma .kn{color:#d73a49}.chroma .kp{color:#d73a49}.chroma .kr{color:#d73a49}.chroma .kt{color:#d73a49}.chroma .na{color:#6f42c1}.chroma .nb{color:#6f42c1}.chroma .bp{color:#6f42c1}.chroma .nc{color:#6f42c1}.chroma .no{color:#6f42c1}.chroma .nd{color:#6f42c1}.chroma .ni{color:#6f42c1}.chroma .ne{color:#6f42c1}.chroma .nf{color:#6f42c1}.chroma .nl{color:#6f42c1}.chroma .nn{color:#6f42c1}.chroma .nx{color:#22863a}.chroma .nt{color:#22863a}.chroma .nv{color:#6f42c1}.chroma .vc{color:#6f42c1}.chroma .vg{color:#6f42c1}.chroma .vi{color:#6f42c1}.chroma .s{color:#032f62}.chroma .sa{color:#032f62}.chroma .sb{color:#032f62}.chroma .sc{color:#032f62}.chroma .dl{color:#032f62}.chroma .sd{color:#032f62}.chroma .s2{color:#032f62}.chroma .se{color:#032f62}.chroma .sh{color:#032f62}.chroma .si{color:#032f62}.chroma .sx{color:#032f62}.chroma .sr{color:#032f62}.chroma .s1{color:#032f62}.chroma .ss{color:#032f62}.chroma .m{color:#005cc5}.chroma .mb{color:#005cc5}.chroma .mf{color:#005cc5}.chroma .mh{color:#005cc5}.chroma .mi{color:#005cc5}.chroma .il{color:#005cc5}.chroma .mo{color:#005cc5}.chroma .o{color:#d73a49}.chroma .ow{color:#d73a49}.chroma .p{color:#d73a49}.chroma .c{color:#6a737d}.chroma .ch{color:#6a737d}.chroma .cm{color:#6a737d}.chroma .c1{color:#6a737d}.chroma .cs{color:#6a737d}.chroma .cp{color:#6a737d}.chroma .cpf{color:#6a737d}.chroma .gd{color:#6f42c1;background-color:#fdd}.chroma .ge{color:#6f42c1}.chroma .gr{color:#a00}.chroma .gh{color:#6a737d}.chroma .gi{color:#6f42c1;background-color:#dfd}.chroma .go{color:#888}.chroma .gp{color:#555}.chroma .gs{}.chroma .gu{color:#aaa}.chroma .gt{color:#a00}.chroma .gl{text-decoration:underline}.chroma .w{color:#bbb}@media(prefers-color-scheme:dark){.chroma{counter-reset:item}.chroma .line::before{counter-increment:item;content:counter(item,decimal);margin-right:1em;width:1.5em;display:inline-block;text-align:right}pre,.chroma{color:rgba(255,255,255,.85);background-color:#1f1f24}.chroma .err{color:rgba(255,255,255,.85)}.chroma .lntd{vertical-align:top;padding:0;margin:0;border:0}.chroma .lntable{border-spacing:0;padding:0;margin:0;border:0;width:auto;overflow:auto;display:block}.chroma .hl{display:block;width:100%;background-color:#23252b}.chroma .lnt{margin-right:.4em;padding:0 .4em;color:#747478}.chroma .ln{margin-right:.4em;padding:0 .4em;color:#747478}.chroma .k{color:#569cd6}.chroma .kc{color:#569cd6}.chroma .kd{color:#569cd6}.chroma .kn{color:#fc5fa3}.chroma .kp{color:#e0e0e0}.chroma .kr{color:#fc5fa3}.chroma .kt{color:#4ec9b0}.chroma .n{color:#9cdcfe}.chroma .na{color:#a167e6}.chroma .nb{color:#4ec9b0}.chroma .bp{color:#569cd6}.chroma .nc{color:#4ec9b0}.chroma .no{color:#eee}.chroma .nd{color:rgba(255,255,255,.85)}.chroma .ni{color:rgba(255,255,255,.85)}.chroma .ne{color:rgba(255,255,255,.85)}.chroma .nf{color:#dcdcaa}.chroma .fm{color:#569cd6}.chroma .nl{color:rgba(255,255,255,.85)}.chroma .nn{color:rgba(255,255,255,.85)}.chroma .nx{color:#d0a8ff}.chroma .py{color:rgba(255,255,255,.85)}.chroma .nt{color:#fc5fa3}.chroma .nv{color:rgba(255,255,255,.85)}.chroma .vc{color:rgba(255,255,255,.85)}.chroma .vg{color:rgba(255,255,255,.85)}.chroma .vi{color:rgba(255,255,255,.85)}.chroma .vm{color:rgba(255,255,255,.85)}.chroma .l{color:#d0bf69}.chroma .ld{color:#d0bf69}.chroma .s{color:#ce9178}.chroma .sa{color:#fc6a5d}.chroma .sb{color:#fc6a5d}.chroma .sc{color:#d0bf69}.chroma .dl{color:#fc6a5d}.chroma .sd{color:#6a9955}.chroma .s2{color:#fc6a5d}.chroma .se{color:#d7ba7d}.chroma .sh{color:#fc6a5d}.chroma .si{color:#569cd6}.chroma .sx{color:#fc6a5d}.chroma .sr{color:#fc6a5d}.chroma .s1{color:#fc6a5d}.chroma .ss{color:#fc6a5d}.chroma .m{color:#b5cea8}.chroma .mb{color:#b5cea8}.chroma .mf{color:#b5cea8}.chroma .mh{color:#b5cea8}.chroma .mi{color:#b5cea8}.chroma .il{color:#b5cea8}.chroma .mo{color:#b5cea8}.chroma .o{color:rgba(255,255,255,.85)}.chroma .ow{color:rgba(255,255,255,.85)}.chroma .p{color:#e0e0e0}.chroma .c{color:#6c7986}.chroma .ch{color:#6c7986}.chroma .cm{color:#6c7986}.chroma .c1{color:#6c7986}.chroma .cs{color:#6c7986}.chroma .cp{color:#92a1b1}.chroma .cpf{color:#92a1b1}.chroma .gh{color:#52a3ff}.chroma .gd{color:#e76a72;background-color:rgba(231,106,114,5%)}.chroma .gi{color:#74dc8d;background-color:rgba(71,209,104,5%)}}