:root{--ark-dark:#000;--ark-dark-blue:#0a0a0a;--ark-gray:#1a1a1a;--ark-medium-gray:#525252;--ark-light-gray:#a3a3a3;--ark-white:#fafafa;--ark-primary:#c8c8c8cc;--ark-accent:#e5e5e5;--ark-highlight:#b2f2bb;--ark-highlight-dim:#b2f2bb26;--ark-border:#ffffff14;--ark-text:#e5e5e5;--ark-text-dim:#737373;--ark-bg:#000;--ark-glow-highlight:0 0 24px #b2f2bb26;--ark-glow-card:0 4px 24px #0006;--ark-gradient-accent:linear-gradient(135deg, #b2f2bb, #4ade80);--hljs-base:#e6e6e6;--hljs-comment:#6a9955;--hljs-keyword:#c586c0;--hljs-string:#ce9178;--hljs-number:#b5cea8;--hljs-title:#dcdcaa;--hljs-tag:#569cd6;--hljs-deletion:#f48771;--font-hud:"Dosis", "Cascadia Code", Consolas, "Microsoft YaHei", "PingFang SC", sans-serif;--font-body:"Noto Serif SC", "Noto Sans SC", "Microsoft YaHei", serif;--transition-fast:.3s cubic-bezier(.6, .05, .01, .9);--transition-medium:.5s cubic-bezier(.6, .05, .01, .9);--content-max-width:1000px;--pad-body-x:14px;--pad-section-y:20px}html:not(.dark){--ark-dark:#fafafa;--ark-dark-blue:#f5f5f5;--ark-gray:#e5e5e5;--ark-medium-gray:#737373;--ark-light-gray:#525252;--ark-white:#171717;--ark-primary:#3c3c3ccc;--ark-accent:#262626;--ark-highlight:#2b8a3e;--ark-highlight-dim:#2b8a3e1a;--ark-border:#00000014;--ark-text:#171717;--ark-text-dim:#525252;--ark-bg:#fafafa;--ark-glow-highlight:0 0 20px #2b8a3e1a;--ark-glow-card:0 2px 16px #0000000f;--ark-gradient-accent:linear-gradient(135deg, #2b8a3e, #16a34a);--hljs-base:#24292e;--hljs-comment:#6a737d;--hljs-keyword:#d73a49;--hljs-string:#032f62;--hljs-number:#005cc5;--hljs-title:#6f42c1;--hljs-tag:#22863a;--hljs-deletion:#cf222e}html.theme-transitioning,html.theme-transitioning body,html.theme-transitioning .header,html.theme-transitioning .footer,html.theme-transitioning .floating-actions,html.theme-transitioning .page-layout,html.theme-transitioning .loading-screen,html.theme-transitioning .reading-progress,html.theme-transitioning .toc{transition:background-color .35s cubic-bezier(.4,0,.2,1),color .3s cubic-bezier(.4,0,.2,1),border-color .3s cubic-bezier(.4,0,.2,1),opacity .25s cubic-bezier(.4,0,.2,1)!important}html.theme-transitioning button,html.theme-transitioning input,html.theme-transitioning textarea,html.theme-transitioning select,html.theme-transitioning .float-btn,html.theme-transitioning .code-copy-btn{transition:background-color .25s cubic-bezier(.4,0,.2,1),color .25s cubic-bezier(.4,0,.2,1),border-color .25s cubic-bezier(.4,0,.2,1)!important}html{color:var(--ark-text);background-color:var(--ark-dark);scroll-behavior:smooth;-moz-text-size-adjust:100%;text-size-adjust:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:var(--font-hud);scrollbar-gutter:stable;font-size:clamp(14px,.5vw + 12px,18px);line-height:1.6}body{padding:0 var(--pad-body-x);background-color:#0000;flex-direction:column;min-height:100vh;margin:0;display:flex}*{-webkit-tap-highlight-color:#0000;box-sizing:border-box}ol,ul{list-style:none}blockquote,h1,h2,h3,h4,h5,li,ol,p,ul{margin:0;padding:0}a{color:var(--ark-text);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--ark-highlight)}h1,h2,h3,h4,h5{font-family:var(--font-hud);font-weight:400;line-height:1.3}input,select,textarea{font-family:var(--font-hud);appearance:none;border:1px solid var(--ark-border);background:var(--ark-bg);color:var(--ark-text);outline:0;padding:8px 12px}code,pre{font-family:Consolas,JetBrains Mono,Fira Code,monospace}html:not(.dark) ::selection{color:#f1f1f1;background:#1a1a1a}html.dark ::selection{color:#fff;background:#e6e6e633}.hide{display:none!important}body:after{content:"";pointer-events:none;opacity:.04;z-index:-1;background:url(/assets/img/background-light.png) 50%/cover no-repeat fixed;width:100%;height:100%;position:fixed;top:0;left:0}html.dark body:after{background-image:url(/assets/img/background-dark.png)}@media (max-width:768px){body:after{background-attachment:scroll}}.header{width:100%;max-width:var(--content-max-width);padding:var(--pad-section-y) 0;justify-content:space-between;align-items:center;margin:0 auto;display:flex}.logo{width:36px;height:36px;transition:box-shadow var(--transition-fast);background:url(/assets/img/logo_256x256.png) 50%/contain no-repeat;border-radius:50%;display:block}.logo:hover{box-shadow:var(--ark-glow-highlight)}.menu{gap:18px;font-size:.9rem;display:flex}.menu a.active{color:var(--ark-highlight)}.footer{width:100%;max-width:var(--content-max-width);padding:var(--pad-section-y) 0;color:var(--ark-text-dim);border-top:1px solid var(--ark-border);flex-wrap:wrap;align-items:center;gap:12px;margin:20px auto 0;font-size:.8rem;display:flex}.footer a{color:var(--ark-text-dim)}.footer a:hover{color:var(--ark-highlight)}.floating-actions{z-index:999;flex-direction:column;gap:12px;display:flex;position:fixed;bottom:24px;right:24px}.float-btn{background:var(--ark-bg);border:1px solid var(--ark-text-dim);cursor:pointer;opacity:.65;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:opacity .2s,transform .2s;display:flex}.float-btn:hover{opacity:1;transform:scale(1.08)}.float-btn svg{color:var(--ark-text)}.float-btn.to-top{opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;transform:translateY(8px)}.float-btn.to-top.show{opacity:.65;pointer-events:auto;transform:translateY(0)}.float-btn.to-top.show:hover{opacity:1;transform:scale(1.08)}.page{max-width:var(--content-max-width);padding:var(--pad-section-y) 0;flex:1;width:100%;margin:0 auto}.page-layout{max-width:var(--content-max-width);padding:var(--pad-section-y) 0;flex:1;gap:32px;width:100%;margin:0 auto;display:flex}.page-layout>.page{flex:1;min-width:0}.hover-underline{position:relative}.hover-underline:after{content:"";background:var(--ark-highlight);width:0;height:1px;transition:width var(--transition-fast);position:absolute;bottom:-1px;left:0}.hover-underline:hover:after{width:100%}.page-transition{flex:1;width:100%;animation:.35s ease-out page-enter}@keyframes page-enter{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--ark-medium-gray);border-radius:2px;transition:background .2s}::-webkit-scrollbar-thumb:hover{background:var(--ark-highlight)}.list-post h2{color:var(--ark-accent);margin-bottom:12px;font-size:1.6rem}.list-post ul{margin-bottom:30px}.list-post li{flex-wrap:wrap;align-items:baseline;gap:12px;padding:6px 0;display:flex}.list-post .date{color:var(--ark-text-dim);font-size:.85rem;font-family:var(--font-hud);min-width:90px}.list-post .title{flex:1}.list-post .categories{color:var(--ark-text-dim);gap:8px;font-size:.8rem;display:flex}.list-post .categories a{color:var(--ark-text-dim)}.list-post .categories a:hover{color:var(--ark-highlight)}.list-category{margin-bottom:30px}.list-category h2{color:var(--ark-accent);margin-bottom:12px;font-size:1.6rem}.list-category div{flex-wrap:wrap;gap:10px;display:flex}.list-category a{border:1px solid var(--ark-border);transition:all var(--transition-fast);border-radius:4px;padding:4px 12px;font-size:.85rem}.list-category a:hover{border-color:var(--ark-highlight);color:var(--ark-highlight)}.page-tags .list-tag{margin-bottom:30px}.page-tags .list-tag h2{color:var(--ark-accent);margin-bottom:12px;font-size:1.6rem}.page-tags .tag-cloud{flex-wrap:wrap;gap:10px;display:flex}.page-tags .tag-cloud a{border:1px solid var(--ark-border);transition:all var(--transition-fast);border-radius:4px;padding:4px 12px;font-size:.85rem}.page-tags .tag-cloud a:hover{border-color:var(--ark-highlight);color:var(--ark-highlight);background:var(--ark-highlight-dim)}.tag-label{color:var(--ark-accent)}.tag-count{color:var(--ark-text-dim);font-size:.85rem}.page-search input{background:var(--ark-bg);border-radius:4px;width:100%;margin-bottom:20px;padding:10px 14px;font-size:1rem;transition:border-color .3s,box-shadow .3s}.page-search input:focus{border-color:var(--ark-highlight);box-shadow:var(--ark-glow-highlight)}.page-search h1{color:var(--ark-accent);margin-bottom:16px;font-size:1.4rem}.list-search li{border-bottom:1px solid var(--ark-border);padding:12px 0}.list-search .title{margin-bottom:4px;font-size:1rem}.list-search .content{color:var(--ark-text-dim);font-size:.85rem;line-height:1.5}.list-search .hint{color:var(--ark-highlight);font-weight:500}.page-post .title{color:var(--ark-accent);margin-bottom:8px;font-size:2rem}.page-post .subtitle{color:var(--ark-text-dim);flex-wrap:wrap;gap:12px;margin-bottom:24px;font-size:.85rem;display:flex}.post-content{overflow-wrap:break-word;word-break:break-word;line-height:1.8;font-family:var(--font-body)}.post-content h1,.post-content h2{color:var(--ark-accent);cursor:pointer;margin:28px 0 12px;font-size:1.5rem}.post-content h3{margin:20px 0 8px;font-size:1.2rem}.post-content h4{margin:16px 0 6px;font-size:1.05rem}.post-content p{margin:10px 0}.post-content ul,.post-content ol{margin:10px 0;list-style:outside}.post-content ol{list-style:decimal}.post-content li{margin:4px 0}.post-content blockquote{border-left:3px solid var(--ark-highlight);color:var(--ark-text-dim);background:#ffffff05;margin:12px 0;padding:8px 16px}.post-content img{cursor:zoom-in;border-radius:4px;max-width:100%;margin:0 auto;display:block}.post-content a{color:var(--ark-highlight);text-underline-offset:2px;text-decoration:underline}.post-content code{background:#ffffff0f;border-radius:3px;padding:2px 6px;font-size:.9em}.post-content table{border-collapse:collapse;width:100%;margin:12px 0}.post-content th,.post-content td{border:1px solid var(--ark-border);text-align:left;padding:8px 12px}.post-content th{background:#ffffff08;font-weight:500}.post-content .katex-display{margin:16px 0;overflow:auto hidden}.post-content .katex{font-size:1.05em}.post-content .math-error{color:#ff6b6b;background:#ff50501a;border-radius:3px;padding:2px 6px;font-family:monospace;font-size:.9em;display:inline-block}.table-container{margin:12px 0;overflow-x:auto}.img-container{margin:8px 0;display:block;overflow:hidden}.img-container img{opacity:0;animation:.3s forwards img-fade-in}@keyframes img-fade-in{0%{opacity:0}to{opacity:1}}.pinned{background:var(--ark-highlight);color:#fff;vertical-align:middle;border-radius:3px;margin-left:6px;padding:1px 6px;font-size:.7rem;font-weight:500;display:inline-block}.draft-badge{color:#ffb450;vertical-align:middle;letter-spacing:.5px;background:#ffb4502e;border:1px solid #ffb45066;border-radius:3px;margin-left:8px;padding:1px 6px;font-size:.7rem;font-weight:500;display:inline-block}.stats-grid{grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0;display:grid}.stat-card{border:1px solid var(--ark-border);transition:border-color var(--transition-fast);border-radius:6px;flex-direction:column;align-items:center;padding:16px 8px;display:flex}.stat-card:hover{border-color:var(--ark-highlight)}.stat-value{font-family:var(--font-hud);color:var(--ark-accent);font-size:1.5rem;line-height:1.2}.stat-label{color:var(--ark-text-dim);letter-spacing:1px;margin-top:4px;font-size:.78rem}.link-list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid;margin-top:16px!important;list-style:none!important}.link-card{margin:0;padding:0;list-style:none}.link-card a{box-sizing:border-box;text-align:left;border:1px solid var(--ark-border);width:100%;color:inherit;border-radius:8px;justify-content:flex-start;align-items:center;gap:14px;padding:14px 18px;text-decoration:none;transition:border-color .25s,box-shadow .25s;display:flex}.link-card a:hover{border-color:var(--ark-highlight);box-shadow:0 2px 12px #8080801a}.link-card a .link-avatar{object-fit:cover;flex-shrink:0;width:48px;height:48px;margin:0;display:block;cursor:default!important;border-radius:50%!important}.link-info{flex-direction:column;min-width:0;display:flex}.link-name{color:var(--ark-text);font-size:.92rem;font-weight:500}.link-desc{color:var(--ark-text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.timeline{border-left:2px solid var(--ark-border);margin:20px 0 20px 4px;padding-left:27px;position:relative}.timeline__item{margin-bottom:24px;padding-left:20px;position:relative}.timeline__item:before{content:"";background:var(--ark-highlight);border-radius:50%;width:10px;height:10px;position:absolute;top:6px;left:-33px}.timeline__year{color:var(--ark-highlight);letter-spacing:1px;margin-bottom:4px;font-size:.78rem;font-weight:600;display:inline-block}.timeline__content h3{margin:2px 0 4px;font-size:1rem}.timeline__content p{color:var(--ark-text-dim);font-size:.85rem;line-height:1.5}.timeline__link{color:var(--ark-highlight);margin-top:4px;font-size:.82rem;display:inline-block}.project-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:16px 0;display:grid}.project-card{border:1px solid var(--ark-border);color:inherit;border-radius:8px;flex-direction:column;padding:20px;text-decoration:none;transition:border-color .25s,transform .25s,box-shadow .25s;display:flex}.project-card:hover{border-color:var(--ark-highlight);transform:translateY(-3px);box-shadow:0 6px 20px #8080801f}.project-card h3{margin:0 0 8px;font-size:1rem}.project-card>p{color:var(--ark-text-dim);flex:1;margin:0 0 12px;font-size:.84rem;line-height:1.5}.project-tags{flex-wrap:wrap;gap:6px;display:flex}.project-tag{color:var(--ark-text-dim);letter-spacing:.5px;background:#8080801a;border-radius:999px;padding:2px 10px;font-size:.7rem}html:not(.dark) .project-tag{background:#0000000f}.page-404{text-align:center;padding-top:12vh;position:relative;overflow:hidden}.page-404 .title{font-size:clamp(4rem,12vw,9rem);font-family:var(--font-hud);color:var(--ark-accent);letter-spacing:.08em;text-shadow:var(--ark-glow-highlight);background:var(--ark-gradient-accent);-webkit-text-fill-color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:8px}.page-404 p{color:var(--ark-text-dim);letter-spacing:.04em;margin-bottom:28px;font-size:1rem}.back-home{border:1px solid var(--ark-border);transition:all var(--transition-fast);border-radius:6px;align-items:center;gap:8px;padding:10px 24px;font-size:.92rem;display:inline-flex}.back-home:hover{border-color:var(--ark-highlight);color:var(--ark-highlight);box-shadow:var(--ark-glow-highlight)}html:not(.dark) .back-home:hover{box-shadow:var(--ark-glow-highlight)}.post-content{contain:content}.post-content .hljs{color:var(--hljs-base);background:0 0;font-family:Consolas,JetBrains Mono,Cascadia Code,monospace;line-height:1.6;display:block;overflow-x:auto}.post-content .hljs-comment,.post-content .hljs-quote{color:var(--hljs-comment);font-style:italic}.post-content .hljs-keyword,.post-content .hljs-selector-tag,.post-content .hljs-literal,.post-content .hljs-section,.post-content .hljs-link,.post-content .hljs-built_in{color:var(--hljs-keyword)}.post-content .hljs-string,.post-content .hljs-attr,.post-content .hljs-symbol,.post-content .hljs-bullet,.post-content .hljs-addition{color:var(--hljs-string)}.post-content .hljs-number,.post-content .hljs-meta,.post-content .hljs-regexp{color:var(--hljs-number)}.post-content .hljs-title,.post-content .hljs-name,.post-content .hljs-type,.post-content .hljs-attribute,.post-content .hljs-variable,.post-content .hljs-template-tag,.post-content .hljs-template-variable{color:var(--hljs-title)}.post-content .hljs-tag,.post-content .hljs-params,.post-content .hljs-class,.post-content .hljs-function .hljs-title{color:var(--hljs-tag)}.post-content .hljs-deletion{color:var(--hljs-deletion);background:#f487711a}.post-content .hljs-addition{background:#b2f2bb1a}.post-content .hljs-emphasis{font-style:italic}.post-content .hljs-strong{font-weight:700}.post-content pre{background:var(--ark-dark-blue);border:1px solid var(--ark-border);contain:layout style paint;border-radius:6px;margin:12px 0;padding:16px;overflow-x:auto}.post-content pre code{background:0 0;padding:0;font-size:.85em}.post-content :not(pre)>code{background:var(--ark-dark-blue);border:1px solid var(--ark-border);color:var(--hljs-base);border-radius:4px;padding:2px 6px;font-family:Consolas,JetBrains Mono,Cascadia Code,monospace;font-size:.85em}.code-block-wrapper{border:1px solid var(--ark-border);background:var(--ark-dark-blue);border-radius:6px;margin:16px 0;position:relative}.code-block-wrapper:before{content:"";border-bottom:1px solid var(--ark-border);height:36px;display:block}.code-block-wrapper>pre{background:0 0;border:none;margin:0;padding:12px 16px;overflow-x:auto}.code-block-wrapper:hover .code-bar{opacity:1}.code-bar{opacity:0;z-index:2;align-items:center;gap:6px;font-size:.75rem;transition:opacity .2s;display:flex;position:absolute;top:6px;right:8px}.code-lang{color:var(--ark-text-dim);text-transform:uppercase;letter-spacing:1px;z-index:2;font-size:.7rem;font-weight:700;position:absolute;top:6px;left:8px}.code-copy-btn{cursor:pointer;border:1px solid var(--ark-border);color:var(--ark-text-dim);transition:border-color var(--transition-fast),color var(--transition-fast);background:0 0;border-radius:4px;padding:3px 10px;font-size:.72rem}.code-copy-btn:hover{border-color:var(--ark-highlight);color:var(--ark-highlight)}.reading-progress{z-index:1000;background:0 0;width:100%;height:2px;transition:background .3s;position:fixed;top:0;left:0}.reading-progress--visible{background:#80808026}.reading-progress__bar{height:100%;width:var(--progress,0%);background:var(--ark-highlight);border-radius:0 2px 2px 0;transition:width .15s ease-out}.toc{flex-shrink:0;align-self:flex-start;width:200px;font-size:.82rem;position:sticky;top:80px}.toc__title{color:var(--ark-accent);letter-spacing:2px;text-transform:uppercase;opacity:.6;margin-bottom:10px;font-size:.75rem;display:block}.toc ul{border-left:2px solid var(--ark-border);margin-left:8px;list-style:none}.toc li{line-height:1.5;position:relative}.toc li:before{content:"";background:var(--ark-highlight);border-radius:1px;width:3px;height:0;transition:height .2s,top .2s;position:absolute;top:50%;left:-10px}.toc li:hover:before{height:100%;top:0}.toc a{color:var(--ark-text-dim);transition:color .2s;display:block}.toc a:hover{color:var(--ark-highlight)}.toc__item--active:before{height:100%;top:0}.toc__item--active>a{color:var(--ark-highlight);font-weight:500}.toc__item--1{padding-left:14px;font-weight:500}.toc__item--2{padding-left:22px;font-size:.82rem}.toc__item--3{opacity:.85;padding-left:30px;font-size:.78rem}.toc__item--4{opacity:.7;padding-left:38px;font-size:.74rem}.post-nav{border-top:1px solid var(--ark-border);gap:16px;margin-top:36px;padding-top:20px;display:flex}.post-nav__item{border:1px solid var(--ark-border);border-radius:6px;flex-direction:column;flex:1;gap:4px;min-width:0;padding:12px 16px;transition:border-color .25s,background-color .25s,box-shadow .25s;display:flex}.post-nav__item:hover{border-color:var(--ark-highlight);background:var(--ark-highlight-dim);box-shadow:var(--ark-glow-highlight)}.post-nav__label{color:var(--ark-text-dim);letter-spacing:1px;font-size:.78rem}.post-nav__title{text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;overflow:hidden}html:not(.dark) .post-nav__item:hover{background:var(--ark-highlight-dim)}.loading-screen{z-index:99999;background:var(--ark-dark);opacity:1;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .4s;display:flex;position:fixed;top:0;left:0}.loading-screen--fade{opacity:0;pointer-events:none}.loading-screen:before{content:"";pointer-events:none;background:radial-gradient(#b2f2bb14 0%,#0000 60%);animation:4s ease-in-out infinite alternate loading-glow;position:absolute;inset:0}.loading-screen__grid{grid-template-rows:repeat(3,12px);grid-template-columns:repeat(3,12px);gap:6px;display:grid}.loading-screen__cube{perspective:40px;width:12px;height:12px}.loading-screen__cube-inner{width:100%;height:100%;transform-style:preserve-3d;animation:.9s ease-in-out infinite both cube-flip;position:relative}.loading-screen__cube:first-child .loading-screen__cube-inner{animation-delay:0s}.loading-screen__cube:nth-child(2) .loading-screen__cube-inner{animation-delay:.1s}.loading-screen__cube:nth-child(3) .loading-screen__cube-inner{animation-delay:.2s}.loading-screen__cube:nth-child(4) .loading-screen__cube-inner{animation-delay:.3s}.loading-screen__cube:nth-child(5) .loading-screen__cube-inner{animation-delay:.4s}.loading-screen__cube:nth-child(6) .loading-screen__cube-inner{animation-delay:.5s}.loading-screen__cube:nth-child(7) .loading-screen__cube-inner{animation-delay:.6s}.loading-screen__cube:nth-child(8) .loading-screen__cube-inner{animation-delay:.7s}.loading-screen__cube:nth-child(9) .loading-screen__cube-inner{animation-delay:.8s}.loading-screen__cube-face{backface-visibility:hidden;position:absolute;inset:0}.loading-screen__cube-face--front{background:var(--ark-highlight);transform:rotateY(0)}.loading-screen__cube-face--back{border:1px solid var(--ark-highlight);background:0 0;transform:rotateY(180deg)}@keyframes cube-flip{0%{transform:rotateX(0)rotateY(0)}25%{transform:rotateX(0)rotateY(90deg)}50%{transform:rotateX(90deg)rotateY(90deg)}75%{transform:rotateX(90deg)rotateY(0)}to{transform:rotateX(0)rotateY(0)}}@keyframes loading-glow{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.image-preview-overlay{z-index:9999;cursor:zoom-out;background:#000000d9;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.image-preview-overlay img{border-radius:4px;max-width:90vw;max-height:90vh}#waline{max-width:var(--content-max-width);margin-top:40px}.scroll-animate{opacity:0;transition:opacity .6s ease-out,transform .6s ease-out;transform:translateY(24px)}.scroll-animate.scroll-animated{opacity:1;transform:translateY(0)}.post-content.scroll-animate{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.scroll-animate{opacity:1;transition:none;transform:none}}li.scroll-animate:first-child{transition-delay:0s}li.scroll-animate:nth-child(2){transition-delay:50ms}li.scroll-animate:nth-child(3){transition-delay:.1s}li.scroll-animate:nth-child(4){transition-delay:.15s}li.scroll-animate:nth-child(5){transition-delay:.2s}li.scroll-animate:nth-child(6){transition-delay:.25s}li.scroll-animate:nth-child(7){transition-delay:.3s}li.scroll-animate:nth-child(8){transition-delay:.35s}li.scroll-animate:nth-child(9){transition-delay:.4s}li.scroll-animate:nth-child(10){transition-delay:.45s}.tree{contain:layout style paint}@media (max-width:768px){.page-layout{flex-direction:column;gap:0}.toc{display:none!important}.post-nav{flex-direction:column}.header{padding:14px 16px}.footer{width:100%;padding:14px 16px}.menu{gap:12px;font-size:.85rem}.page{box-sizing:border-box;width:100%;max-width:100%;padding:20px 16px}.page-post .title{word-break:break-word;font-size:1.5rem}.list-post li{flex-direction:column;gap:2px}.list-post .date{min-width:auto}.page-404 .title{font-size:4rem}.project-grid,.link-list{grid-template-columns:1fr}.link-card a{border-radius:6px}.floating-actions{bottom:48px}.code-block-wrapper{border-radius:6px}.code-block-wrapper>pre{border-radius:0;overflow:auto clip}.code-block-wrapper .code-bar{opacity:1}}@media (max-width:480px){.page{padding:16px 12px}.page-post .title{font-size:1.3rem}.page-post .subtitle{gap:8px;font-size:.8rem}.post-content{font-size:.92rem}.post-content h1,.post-content h2{font-size:1.25rem}.post-content h3{font-size:1.05rem}.stats-grid{grid-template-columns:repeat(2,1fr)}}
@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,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.17.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.newline{display:block}.katex .base{white-space:nowrap;width:min-content;position:relative}.katex .base,.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 .vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{flex-direction:row;display:inline-flex}.katex .thinbox{width:0;max-width:0}.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 .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.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 .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.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 .stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .stretchy:after,.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 .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 .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>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}