@font-face{font-family:CalibriLocal;src:url(/fonts/calibri.ttf)format("truetype");font-weight:400;font-display:swap}@font-face{font-family:CalibriLocal;src:url(/fonts/calibrib.ttf)format("truetype");font-weight:700;font-display:swap}:root{--bg:#f8f9fc;--paper:#fff;--ink:#202a42;--muted:#647086;--line:#e1e6f0;--accent:#405fbc;--accent-soft:#eef2fb;--highlight:#e0e7ff;--shadow:0 16px 55px #263c6410;--font:CalibriLocal, Calibri, Tahoma, Arial, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#141924;--paper:#1b2231;--ink:#e8ecf6;--muted:#a7b2c8;--line:#303b52;--accent:#a5b9ff;--accent-soft:#25304b;--highlight:#344571;--shadow:0 16px 55px #0002;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--bg);color:var(--ink);font-family:var(--font);margin:0;font-size:18px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button{background:0 0;border:0}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{line-height:1.3}button svg,a svg{flex-shrink:0}::selection{background:var(--highlight)}.muted{color:var(--muted)}.eyebrow{letter-spacing:.2px;color:var(--accent);align-items:center;gap:8px;font-size:14px;font-weight:700;display:inline-flex}.dot,.version i,.visual-top i{background:var(--accent);border-radius:100%;width:6px;height:6px;display:inline-block}.tiny-line{background:var(--accent);width:25px;height:2px}.pill{background:var(--bg);color:var(--muted);border:1px solid var(--line);white-space:nowrap;border-radius:50px;align-items:center;padding:6px 12px;font-size:13px;line-height:1.4;display:inline-flex}.pill.available{background:var(--accent-soft);color:var(--accent);border-color:#0000}.button{border-radius:9px;justify-content:center;align-items:center;gap:20px;padding:11px 22px;font-size:17px;font-weight:700;transition:transform .15s,background .15s;display:inline-flex}.button:hover{transform:translateY(-2px)}.primary{background:var(--ink);color:var(--paper)}.text-link{color:var(--accent);align-items:center;gap:8px;font-size:15px;font-weight:700;display:inline-flex}.text-link:hover{text-decoration:underline}.icon-button{border:1px solid var(--line);border-radius:50%;place-items:center;width:37px;height:37px;display:grid}.skip-link{z-index:100;background:var(--ink);color:var(--paper);padding:8px 20px;position:fixed;top:-100px}.skip-link:focus-visible{top:8px}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{justify-content:space-between;align-items:center;gap:25px;max-width:1200px;margin:auto;padding:20px 30px;display:flex}.brand{align-items:center;gap:11px;display:flex}.brand-icon{place-items:center;width:56px;height:56px;display:grid}.brand-icon img{object-fit:contain;width:100%;height:100%}.brand b{font-family:Arial,sans-serif;font-size:27px;font-weight:800;line-height:1;display:block}.brand-dot{color:var(--accent)}.brand small{color:var(--muted);margin-top:6px;font-size:12px;display:block}.site-header nav{color:var(--muted);align-items:center;gap:32px;font-size:15px;display:flex}.site-header nav a{align-items:center;gap:5px;display:flex}.nav-active{color:var(--ink);font-weight:700}.header-actions{align-items:center;gap:20px;display:flex}.version{color:var(--muted);align-items:center;gap:7px;font-size:13px;display:flex}.site-footer{border-top:1px solid var(--line);max-width:1140px;color:var(--muted);justify-content:space-between;align-items:center;gap:20px;margin:0 auto;padding:25px 0 30px;font-size:13px;display:flex}.footer-brand{color:var(--ink);font:700 20px Arial,sans-serif}.home-main{max-width:1200px;margin:auto;padding:0 30px}.hero{grid-template-columns:1.2fr 1fr;align-items:center;gap:65px;padding:76px 0 67px;display:grid}.hero h1{letter-spacing:-1.5px;margin:18px 0 22px;font-size:58px;font-weight:700;line-height:1.28}.hero>*{min-width:0}.hero h1 span{color:var(--accent)}.hero-copy>p{color:var(--muted);font-size:19px;line-height:1.85}.hero-actions{align-items:center;gap:23px;margin:28px 0 26px;display:flex}.hero-facts{color:var(--muted);align-items:center;gap:18px;font-size:13px;display:flex}.hero-facts span{align-items:center;gap:5px;display:flex}.hero-visual{border:1px solid var(--line);background:var(--paper);box-shadow:var(--shadow);color:var(--accent);border-radius:15px;padding:20px 22px 18px;position:relative;transform:rotate(-2deg)}.visual-top,.visual-bottom{justify-content:space-between;align-items:center;gap:10px;font-size:12px;display:flex}.visual-top span:first-child{align-items:center;gap:7px;display:flex}.visual-top span:last-child{letter-spacing:1.1px;color:var(--muted);font-size:10px}.science-art{width:100%;height:auto;display:block}.visual-equation{text-align:center;max-width:100%;color:var(--ink);margin:-15px 0 15px;font-family:Georgia,serif;font-size:31px;overflow-x:auto}.visual-equation .katex-display{margin:.1em 0}.visual-bottom{border-top:1px solid var(--line);color:var(--ink);padding-top:13px;font-size:14px}.visual-bottom span:last-child{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:flex}.floating-label{background:var(--highlight);color:var(--ink);box-shadow:var(--shadow);border-radius:8px;align-items:center;gap:7px;padding:7px 14px;font-size:14px;display:flex;position:absolute;bottom:65px;left:-27px;transform:rotate(4deg)}.library{border-top:1px solid var(--line);padding:42px 0;scroll-margin-top:25px}.section-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:23px;display:flex}.section-heading h2{margin:9px 0;font-size:30px}.section-heading p{color:var(--muted);font-size:16px}.section-index{color:var(--muted);letter-spacing:1.7px;font-family:Arial,sans-serif;font-size:11px}.picker-trail{color:var(--muted);align-items:center;gap:17px;margin:23px 0 25px;font-size:14px;display:flex}.picker-trail>button,.picker-trail>span{align-items:center;gap:8px;padding:4px 0;display:flex}.picker-trail .current{color:var(--accent);font-weight:700}.picker-trail button:disabled{opacity:.45}.subject-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.subject-card{text-align:right;background:var(--paper);border:1px solid var(--line);border-radius:13px;padding:23px 25px 0;transition:border-color .15s,transform .15s}.subject-card:not(:disabled):hover{border-color:var(--accent);transform:translateY(-4px)}.subject-card:disabled{color:var(--muted)}.card-top{justify-content:space-between;align-items:center;gap:8px;margin-bottom:30px;display:flex}.subject-icon{background:var(--accent-soft);width:58px;height:58px;color:var(--accent);border-radius:14px;place-items:center;display:grid}.math .subject-icon{color:#8b78a9;background:#f0edf7}.cs .subject-icon{color:#6a92b2;background:#eaf1f7}.subject-card h3{margin-bottom:8px;font-size:26px}.subject-card>p{color:var(--muted);font-size:16px}.card-foot{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;margin-top:25px;padding:17px 0;font-size:13px;display:flex}.subject-card:not(:disabled) .card-foot svg{color:var(--accent)}.back-link{color:var(--muted);align-items:center;gap:7px;margin:0 0 18px;font-size:14px;display:inline-flex}.course-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.subject-library>h3,.course-library>h3{margin-bottom:18px;font-size:21px}.course-library{border-top:1px solid var(--line);margin-top:35px;padding-top:28px}.course-library>h3{align-items:center;gap:15px;display:flex}.course-library>h3>span{color:var(--muted);font-size:14px;font-weight:400}.category-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.category-card{text-align:right;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:18px;position:relative}.category-card>span{margin-bottom:9px;font-size:18px;font-weight:700;display:block}.category-card>small{color:var(--muted);font-size:12px;display:block}.category-card>svg{color:var(--accent);position:absolute;top:20px;left:12px}.category-card:disabled{opacity:.55}.category-card:not(:disabled):hover{border-color:var(--accent)}.perspective-switch{border:1px solid var(--line);background:var(--paper);border-radius:9px;gap:5px;width:fit-content;margin-top:20px;padding:4px;display:flex}.perspective-switch a{color:var(--muted);border-radius:6px;padding:7px 15px;font-size:14px}.perspective-switch a.active{background:var(--accent-soft);color:var(--accent);font-weight:700}.course-card{text-align:right;border:1px solid var(--line);background:var(--paper);border-radius:12px;align-items:center;gap:18px;padding:25px;display:flex}.course-card>div{flex:1}.course-card h3{font-size:22px}.course-card p{color:var(--muted);margin-top:5px;font-size:14px}.course-card:disabled{opacity:.55}.course-card:not(:disabled):hover{border-color:var(--accent)}.course-card>svg:first-child{color:var(--accent)}.node-list>h3{color:var(--muted);margin-bottom:15px;font-size:18px}.node-row{background:var(--paper);border:1px solid var(--line);border-radius:10px;align-items:center;gap:22px;margin-bottom:12px;padding:22px 25px;display:flex}.node-row:hover{border-color:var(--accent)}.node-row>div{flex:1}.node-row h4{font-size:23px}.node-row p{color:var(--muted);margin-top:4px;font-size:16px}.row-number{color:var(--accent);font-size:16px}.node-row>svg{color:var(--accent)}.featured{background:var(--accent-soft);border:1px solid var(--line);border-radius:14px;grid-template-columns:1.1fr 1fr;gap:55px;margin:15px 0 60px;padding:34px 42px;display:grid;overflow:hidden}.featured-copy h2{margin:13px 0;font-size:33px}.featured-copy p{color:var(--muted);max-width:440px;margin-bottom:20px;font-size:17px}.featured-detail{flex-direction:column;justify-content:center;align-items:center;gap:24px;display:flex;position:relative}.featured-detail:before{content:"";background-image:radial-gradient(var(--line) 1px, transparent 1px);opacity:.6;pointer-events:none;background-size:15px 15px;position:absolute;inset:0}.outlined-tag{border:1px solid var(--accent);color:var(--accent);border-radius:30px;padding:3px 12px;font-size:13px}.formula-preview{font:32px Georgia,serif;position:relative}.feature-tags{gap:9px;display:flex;position:relative}.feature-tags span{background:var(--paper);color:var(--muted);border-radius:5px;padding:4px 9px;font-size:12px}.how{padding-bottom:65px;scroll-margin-top:30px}.how-grid{grid-template-columns:repeat(3,1fr);gap:35px;display:grid}.how-item{border-top:1px solid var(--line);padding:25px 0 0;position:relative}.how-item>svg{color:var(--accent)}.how-number{color:var(--line);font-size:23px;position:absolute;top:20px;left:0}.how-item h3{margin:14px 0 8px;font-size:20px}.how-item p{color:var(--muted);font-size:16px}.node-main{max-width:1200px;margin:auto;padding:30px 30px 70px}.node-breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:33px;font-size:14px;display:flex}.node-breadcrumb>span{color:var(--ink)}.node-layout{grid-template-columns:205px minmax(0,1fr);gap:65px;max-width:1080px;margin:auto;display:grid}.node-sidebar{align-self:start;padding-top:8px;position:sticky;top:25px}.node-sidebar .back-link{font-size:15px}.toc{border-top:1px solid var(--line);margin-top:16px;padding-top:24px}.toc>.eyebrow{margin-bottom:14px;font-size:12px}.toc>a{color:var(--muted);gap:13px;padding:8px 0;font-size:15px;display:flex}.toc>a:hover{color:var(--accent)}.toc>a>span{color:var(--muted);min-width:12px;font-size:12px}.sidebar-note{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:14px}.sidebar-note .dot{margin-left:6px}.sidebar-note p{color:var(--muted);margin-top:8px;font-size:13px}.node-content{min-width:0;max-width:790px}.node-header{border-bottom:1px solid var(--line);margin-bottom:30px;padding-bottom:28px}.node-tags{align-items:center;gap:12px;font-size:14px;display:flex}.node-header h1{margin:18px 0 13px;font-size:49px;line-height:1.2}.node-header>p,.node-header>.node-summary{color:var(--muted);font-size:21px;line-height:1.8}.node-meta{color:var(--muted);align-items:center;gap:8px;margin-top:19px;font-size:13px;display:flex}.separator{margin:0 4px}.content-section{margin:28px 0 32px;scroll-margin-top:30px}.prose{font-size:19px;line-height:1.95}.prose h2{margin-bottom:14px;font-size:26px;line-height:1.5}.prose h3{margin:18px 0 10px;font-size:22px}.prose p{margin:0 0 15px}.prose a{color:var(--accent);border-bottom:1px dashed var(--accent)}.prose a:hover{background:var(--accent-soft)}.prose strong{font-weight:700}.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:9px 15px}.prose ul,.prose ol{padding-inline-start:25px}.prose pre,pre{background:var(--accent-soft);border-radius:8px;padding:16px;font-size:14px;overflow-x:auto}.prose code{font-family:Consolas,monospace}.prose blockquote{border-right:3px solid var(--accent);color:var(--muted);margin-inline:0;padding:5px 20px}.prose .katex-display,.math-block{text-align:center;direction:ltr;max-width:100%;padding:12px 5px;overflow:auto hidden}.prose .katex-display{background:var(--accent-soft);border-radius:8px;margin:20px 0}.katex{font-size:1.15em!important}.scientific-title .katex,.node-summary .katex,.node-row p .katex{vertical-align:middle;direction:ltr;unicode-bidi:isolate;max-width:100%;display:inline-block;overflow-x:auto}.katex-display>.katex{white-space:nowrap}.prose .katex:not(.katex-display .katex){direction:ltr;unicode-bidi:isolate}.role-limitations{border-right:3px solid var(--line);padding:5px 20px}.role-limitations p{color:var(--muted);font-size:17px}.role-practice{background:var(--accent-soft);border-radius:10px;padding:23px 26px}.role-practice p{margin-bottom:0}.learning-trail{border:1px solid var(--line);background:var(--accent-soft);border-radius:10px;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:22px;padding:16px 20px;font-size:13px;display:flex}.trail-label{width:100%;color:var(--ink);font-weight:700}.learning-trail ol{flex-wrap:wrap;gap:5px;width:100%;margin:0;padding:0;list-style:none;display:flex}.learning-trail li{flex-wrap:wrap;align-items:center;gap:5px;display:flex}.learning-trail ol a{color:var(--accent);text-underline-offset:4px;text-decoration:underline}.prose img{max-width:100%;height:auto;margin:20px auto;display:block}.hero-image-container{height:240px;margin:20px 0;position:relative}.hero-content-image{object-fit:contain}.hero-content-preview{min-height:210px;color:var(--muted);text-align:center;place-content:center;justify-items:center;padding:24px;display:grid}.learning-trail .text-link{font-size:13px}.learn-block{border:1px solid var(--line);background:var(--paper);border-radius:12px;margin:35px 0;padding:25px 28px;scroll-margin-top:30px}.learn-heading{justify-content:space-between;align-items:center;gap:18px;display:flex}.learn-heading h2{margin:7px 0 14px;font-size:25px}.learn-progress{gap:5px;margin:10px 0 24px;display:flex}.learn-progress span{background:var(--line);border-radius:5px;flex:1;height:3px}.learn-progress .done{background:var(--accent)}.learn-step{grid-template-columns:30px minmax(0,1fr);gap:14px;margin-bottom:20px;scroll-margin-top:35px;display:grid}.step-number{border:1px solid var(--line);width:26px;height:26px;color:var(--accent);border-radius:50%;place-items:center;margin-top:6px;font-size:13px;display:grid}.learn-step .prose{font-size:18px}.learn-step .prose p{margin-bottom:10px}.learn-step .math-block{background:var(--bg);border-radius:8px;padding:5px 8px}.learn-controls{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:25px;padding-top:20px;display:flex}.learn-controls .button{padding:9px 17px;font-size:15px}.step-links{color:var(--accent);flex-wrap:wrap;gap:13px;margin-top:9px;font-size:12px;display:flex}.step-links>a{align-items:center;gap:5px;display:flex}.complete{color:var(--accent);align-items:center;gap:8px;font-size:15px;display:flex}.simulation{border:1px solid var(--line);background:var(--paper);border-radius:12px;margin:35px 0;padding:25px 28px;scroll-margin-top:30px}.simulation-heading{justify-content:space-between;align-items:center;gap:12px;display:flex}.simulation-heading h2{margin:8px 0;font-size:25px}.simulation>p{font-size:16px}.simulation-workspace{grid-template-columns:1.45fr 1fr;gap:20px;margin:24px 0;display:grid}.simulation-diagram{background:var(--bg);border:1px solid var(--line);border-radius:9px;align-self:start;min-width:0;padding-bottom:13px}.simulation-diagram svg{direction:ltr;width:100%;height:auto;display:block}.diagram-legend{color:var(--muted);justify-content:center;gap:14px;font-size:12px;display:flex}.diagram-legend span{align-items:center;gap:6px;display:flex}.diagram-legend i{background:var(--accent);width:14px;height:2px}.diagram-legend .legend-surface{opacity:.4;height:5px}.simulation-controls{flex-direction:column;gap:17px;min-width:0;display:flex}.slider-control>span{justify-content:space-between;gap:10px;font-size:15px;display:flex}.slider-control b{color:var(--accent);align-items:center;gap:5px;display:flex}.slider-control b small{font-size:12px;font-weight:400}.slider-control input{width:100%;accent-color:var(--accent);cursor:pointer;direction:ltr;height:8px;margin:10px 0;display:block}.range-labels{color:var(--muted);direction:ltr}.range-labels small{font-size:12px}.flux-output{text-align:center;background:var(--accent-soft);border-radius:8px;padding:13px}.flux-output span,.flux-output small{color:var(--muted);font-size:12px;display:block}.flux-output strong{color:var(--accent);font-size:31px;line-height:1.3;display:block}.simulation-controls .text-link{justify-content:center;font-size:12px}.why{border-top:1px solid var(--line);padding-top:20px}.why-label{color:var(--accent);margin-bottom:7px;font-size:16px;font-weight:700;display:block}.why p,.why .prose{color:var(--muted);font-size:16px}.why .math-block{padding:0;font-size:16px}.sources{border-top:1px solid var(--line);margin-top:36px;padding-top:27px;scroll-margin-top:30px}.sources>summary{color:var(--muted);cursor:pointer;width:fit-content;font-size:16px;font-weight:700}.sources>summary::marker{color:var(--accent)}.sources>summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}.sources[open]>summary{margin-bottom:18px}.source-row{border:1px solid var(--line);border-radius:8px;align-items:center;gap:15px;min-width:0;margin-bottom:12px;padding:15px;display:flex}.source-row>svg{color:var(--accent);flex-shrink:0}.source-row>div{flex:1;min-width:0}.source-row b{overflow-wrap:anywhere;font-size:15px;display:block}.source-row p{color:var(--muted);margin-top:4px;font-size:12px}.source-row a{color:var(--accent);place-items:center;display:grid}.related{margin-top:25px}.related h2{align-items:center;gap:8px;margin-bottom:13px;font-size:20px;display:flex}.related>a{border:1px solid var(--line);color:var(--accent);border-radius:7px;align-items:center;gap:14px;margin-bottom:10px;margin-left:10px;padding:8px 13px;font-size:15px;display:inline-flex}.bottom-back{color:var(--muted);border-top:1px solid var(--line);align-items:center;gap:8px;margin-top:35px;padding-top:25px;font-size:15px;display:flex}.notice{border:1px solid var(--line);background:var(--accent-soft);border-radius:8px;margin:0 0 25px;padding:15px 20px;font-size:15px}.empty-page{text-align:center;max-width:650px;min-height:45vh;margin:90px auto;padding:30px}.empty-page h1{margin:15px 0;font-size:38px}.empty-page p{color:var(--muted);margin:20px 0}.empty-page .text-link{margin:15px}.simulation-loading{background:var(--accent-soft);border-radius:10px;padding:30px}@media (min-width:1500px){.hero{padding-top:95px;padding-bottom:90px}}@media (max-width:1000px){.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero{gap:35px}.hero h1{font-size:47px}.hero-actions{gap:15px}.hero-facts{flex-wrap:wrap;gap:10px}.subject-card{padding:20px 20px 0}.featured{gap:25px}.node-layout{grid-template-columns:170px minmax(0,1fr);gap:30px}.site-footer{margin-inline:30px}.simulation-workspace{grid-template-columns:1fr}.simulation-controls{grid-template-columns:1fr 1fr;gap:18px;display:grid}.simulation-controls .text-link{grid-column:2}.flux-output{grid-column:1}.header-inner{gap:15px}}@media (max-width:700px){.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card{padding:16px 12px}.category-card>span{font-size:17px}.perspective-switch a{padding:6px 10px}body{font-size:17px}.header-inner{padding:16px 20px}.brand b{font-size:24px}.brand-icon{width:48px;height:48px}.site-header nav{display:none}.version{font-size:11px}.header-actions{gap:12px}.home-main{padding:0 20px}.hero{grid-template-columns:1fr;gap:35px;padding:38px 0 35px}.hero h1{letter-spacing:-1px;margin:15px 0 20px;font-size:43px}.hero-copy>p{font-size:18px}.hero-actions{flex-wrap:wrap;margin:23px 0}.hero-visual{justify-self:center;width:100%;max-width:420px;margin:0 0 10px;padding:17px;transform:rotate(-1deg)}.science-art{max-height:215px}.floating-label{width:max-content;margin:12px auto 0;position:static;transform:none}.visual-equation,.formula-preview{max-width:100%;font-size:24px;overflow-x:auto}.hero-facts{gap:13px;font-size:12px}.library{padding:28px 0}.section-heading h2{font-size:27px}.section-heading p{font-size:15px}.section-index{display:none}.subject-grid{grid-template-columns:1fr;gap:14px}.subject-card{padding:20px 21px 0}.card-top{margin-bottom:15px}.subject-icon{width:46px;height:46px}.subject-card h3{font-size:25px}.card-foot{margin-top:15px;padding:13px 0}.course-grid{grid-template-columns:1fr}.node-row{gap:13px;padding:18px 15px}.node-row h4{font-size:21px}.node-row p{font-size:15px}.featured{grid-template-columns:1fr;gap:25px;margin:15px 0 40px;padding:25px}.featured-copy h2{font-size:29px}.featured-detail{padding:20px 0}.feature-tags{flex-wrap:wrap;justify-content:center}.how{padding-bottom:40px}.how-grid{grid-template-columns:1fr;gap:22px}.how-item{padding:18px 0 0}.how-item h3{margin:10px 0 5px}.site-footer{flex-wrap:wrap;gap:9px;margin-inline:20px;padding:22px 0}.site-footer span:last-child{width:100%}.node-main{padding:22px 20px 40px}.node-breadcrumb{gap:6px;margin-bottom:25px;font-size:12px}.node-layout{flex-direction:column;gap:20px;display:flex}.node-sidebar{width:100%;padding:0;position:static}.node-sidebar .back-link{margin-bottom:0}.toc,.sidebar-note{display:none}.node-header h1{font-size:38px}.node-header>p,.node-header>.node-summary{font-size:19px}.node-header{margin-bottom:24px;padding-bottom:22px}.node-meta{font-size:12px}.prose{font-size:18px;line-height:1.9}.prose h2{font-size:24px}.learn-block,.simulation{margin:28px 0;padding:20px 16px}.learn-heading{align-items:flex-start;gap:9px}.learn-heading h2{font-size:22px}.learn-heading .pill{padding:5px 9px;font-size:11px}.learn-step{grid-template-columns:25px minmax(0,1fr);gap:10px}.learn-step .prose{font-size:17px}.simulation-heading{flex-wrap:wrap}.simulation-heading h2{font-size:22px}.simulation-heading .pill{font-size:11px}.simulation-controls{grid-template-columns:1fr}.simulation-controls .text-link,.flux-output{grid-column:auto}.learning-trail{flex-wrap:wrap;gap:6px 16px}.prose .katex,.math-block .katex{font-size:1em!important}.source-row{gap:10px;padding:12px}.source-row b{font-size:13px}.source-row p{font-size:11px}.desktop-only{display:none}.picker-trail{gap:10px;font-size:13px}.empty-page{margin-top:40px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}
@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(../media/KaTeX_AMS-Regular.25ieegmnh38ts.woff2)format("woff2"),url(../media/KaTeX_AMS-Regular.10y3kupq4t663.woff)format("woff"),url(../media/KaTeX_AMS-Regular.418dr7cz3fo2x.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(../media/KaTeX_Caligraphic-Bold.06b-ya9t43ioz.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Bold.2vmk2hva4ctha.woff)format("woff"),url(../media/KaTeX_Caligraphic-Bold.40ltxhe834pns.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(../media/KaTeX_Caligraphic-Regular.2eph4dlhid_m9.woff2)format("woff2"),url(../media/KaTeX_Caligraphic-Regular.3gxeetazf831f.woff)format("woff"),url(../media/KaTeX_Caligraphic-Regular.07-7u27-nhn_r.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(../media/KaTeX_Fraktur-Bold.2sasz-d-jtw8y.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Bold.1alcy76__wdj2.woff)format("woff"),url(../media/KaTeX_Fraktur-Bold.19yqa_tc9d_gx.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(../media/KaTeX_Fraktur-Regular.2d10y4xmjvzlf.woff2)format("woff2"),url(../media/KaTeX_Fraktur-Regular.110oo81prr9n5.woff)format("woff"),url(../media/KaTeX_Fraktur-Regular.2qhy34r6a05dn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(../media/KaTeX_Main-Bold.3-rowy8o6_4ky.woff2)format("woff2"),url(../media/KaTeX_Main-Bold.0v1esh257kqpe.woff)format("woff"),url(../media/KaTeX_Main-Bold.0us_n0tnxlxu7.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(../media/KaTeX_Main-BoldItalic.14r2naom8mrec.woff2)format("woff2"),url(../media/KaTeX_Main-BoldItalic.13355ck5zr48q.woff)format("woff"),url(../media/KaTeX_Main-BoldItalic.3x_u9cepaced0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(../media/KaTeX_Main-Italic.0lig0v9j0700p.woff2)format("woff2"),url(../media/KaTeX_Main-Italic.0afv392dj4w59.woff)format("woff"),url(../media/KaTeX_Main-Italic.2hkw3230mfwcv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(../media/KaTeX_Main-Regular.1ryvsdzh2w1_e.woff2)format("woff2"),url(../media/KaTeX_Main-Regular.15u8r3b2y7fv4.woff)format("woff"),url(../media/KaTeX_Main-Regular.0symfa7dqj6jd.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(../media/KaTeX_Math-BoldItalic.1oopuu636h4il.woff2)format("woff2"),url(../media/KaTeX_Math-BoldItalic.12pl58orkw9rg.woff)format("woff"),url(../media/KaTeX_Math-BoldItalic.0y5w36a5aq__2.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(../media/KaTeX_Math-Italic.32405s1aq8vas.woff2)format("woff2"),url(../media/KaTeX_Math-Italic.0w0b1ugh62cfr.woff)format("woff"),url(../media/KaTeX_Math-Italic.2vkekfblmz5nb.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(../media/KaTeX_SansSerif-Bold.0h3wi2z_eouyg.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Bold.1ovw5p-yjp56g.woff)format("woff"),url(../media/KaTeX_SansSerif-Bold.2d03q85pwxpti.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(../media/KaTeX_SansSerif-Italic.0wkjc4dm2kcit.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Italic.1qavw__2zz8gk.woff)format("woff"),url(../media/KaTeX_SansSerif-Italic.3i-q087b23-m8.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(../media/KaTeX_SansSerif-Regular.2peiewu59z3d-.woff2)format("woff2"),url(../media/KaTeX_SansSerif-Regular.1i4afx8nk8n4r.woff)format("woff"),url(../media/KaTeX_SansSerif-Regular.31pbu25feko_c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(../media/KaTeX_Script-Regular.11h14300o9pd0.woff2)format("woff2"),url(../media/KaTeX_Script-Regular.3110jb9c-bxna.woff)format("woff"),url(../media/KaTeX_Script-Regular.28p_x7iz71ofe.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size1-Regular.03lhvx36ekcou.woff2)format("woff2"),url(../media/KaTeX_Size1-Regular.1slf4bh0hc6vm.woff)format("woff"),url(../media/KaTeX_Size1-Regular.1y57-ck23ey8c.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size2-Regular.14s5gg-puz6h-.woff2)format("woff2"),url(../media/KaTeX_Size2-Regular.0-kwyvx03omo8.woff)format("woff"),url(../media/KaTeX_Size2-Regular.2u0s-b07k2o9m.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size3-Regular.1n1rgzz84z8r9.woff2)format("woff2"),url(../media/KaTeX_Size3-Regular.04o9a_02gu_e8.woff)format("woff"),url(../media/KaTeX_Size3-Regular.1pkn-dge4q0fv.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(../media/KaTeX_Size4-Regular.2sgotkdv3dcyv.woff2)format("woff2"),url(../media/KaTeX_Size4-Regular.3p2r1l7xmebxv.woff)format("woff"),url(../media/KaTeX_Size4-Regular.2uelkfk2yna5e.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(../media/KaTeX_Typewriter-Regular.11gr2d2wuwz77.woff2)format("woff2"),url(../media/KaTeX_Typewriter-Regular.12f8myjij3617.woff)format("woff"),url(../media/KaTeX_Typewriter-Regular.3nee9kjfy6nm8.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}
