:root{--bg:#fbfaf8;--bg-soft:#f3f1ed;--bg-elevated:#fff;--text:#1c1c20;--text-muted:#5f5f68;--text-faint:#9a9aa3;--border:#0000001a;--accent:#1a5fb4;--accent-soft:#1a5fb41a;--code-bg:#0000000d;--selection:#1a5fb433;--shadow:0 10px 40px #00000014;--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-serif:"Iowan Old Style", "Palatino Linotype", Georgia, "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;--font-mono:ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, "Courier New", monospace;--maxw:1040px;--radius:12px;--bg-top:#dceaff;--bg-glow:#60a0ff66}html[data-theme=dark]{--bg:#0b0b0f;--bg-soft:#101016;--bg-elevated:#15151c;--text:#e9e9ec;--text-muted:#9b9ba6;--text-faint:#6e6e79;--border:#ffffff14;--accent:#8ab4f8;--accent-soft:#8ab4f824;--code-bg:#ffffff0f;--selection:#8ab4f847;--shadow:0 10px 40px #0006;--bg-top:#131a36;--bg-glow:#6096ff29}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:var(--bg);background-image:radial-gradient(1100px 520px at 50% -120px, var(--bg-glow), transparent 70%), linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 55%);min-height:100dvh;color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;background-repeat:no-repeat;background-attachment:fixed;flex-direction:column;margin:0;font-size:16px;line-height:1.75;transition:background-color .3s,color .3s;display:flex}main{flex:1 0 auto;width:100%}::selection{background:var(--selection)}a{color:var(--accent);text-decoration:none;transition:color .15s}a:hover{color:var(--text)}img{max-width:100%}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{z-index:50;pointer-events:none;align-items:center;height:60px;transition:top .3s;display:flex;position:sticky;top:0}.site-header.is-scrolled{top:8px}.header-inner{pointer-events:auto;width:100%;max-width:var(--maxw);background:0 0;border:1px solid #0000;border-radius:16px;justify-content:space-between;align-items:center;height:60px;margin:0 auto;padding:0 24px;transition:height .3s,background-color .2s,border-color .2s,box-shadow .2s;display:flex}.site-header.is-scrolled .header-inner{background:var(--bg-elevated);border-color:var(--border);height:52px;box-shadow:0 12px 32px -16px #0f142847,0 1px 2px #0f14280f}html[data-theme=dark] .site-header.is-scrolled .header-inner{box-shadow:0 12px 32px -16px #000c,0 1px 2px #0006}.site-header.is-hidden{top:-84px}.brand{font-family:var(--font-serif);color:var(--text);letter-spacing:.01em;font-size:20px;font-weight:700}.brand .brand-dot{color:var(--accent)}.nav{align-items:center;gap:4px;display:flex}.nav a.nav-link{color:var(--text-muted);border-radius:8px;padding:6px 10px;font-size:15px}.nav a.nav-link:hover{color:var(--text);background:var(--accent-soft)}.nav-tools{align-items:center;gap:2px;display:flex}.icon-btn{width:36px;height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:10px;justify-content:center;align-items:center;padding:0;transition:color .15s,background-color .15s;display:inline-flex}.icon-btn:hover{color:var(--text);background:var(--accent-soft)}.icon-btn svg{width:19px;height:19px}html[data-theme=dark] .icon-moon,html:not([data-theme=dark]) .icon-sun,.nav-toggle{display:none}@media (width<=640px){.nav{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);opacity:0;pointer-events:none;flex-direction:column;align-items:stretch;gap:2px;padding:8px;transition:opacity .2s,transform .2s;position:fixed;top:60px;left:16px;right:16px;transform:translateY(-6px)}.nav.open{opacity:1;pointer-events:auto;transform:translateY(0)}.nav a.nav-link{padding:10px 12px}.nav-tools{border-top:1px solid var(--border);margin-top:6px;padding-top:6px}.nav-toggle{display:inline-flex}}.site-footer{border-top:1px solid var(--border);margin-top:96px;padding:40px 0 80px}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer-copy{color:var(--text-faint);font-size:14px}.footer-left{flex-direction:column;gap:4px;display:flex}.footer-stat{color:var(--text-faint);font-size:13px}.footer-stat b{font-family:var(--font-mono);color:var(--text-muted);font-weight:500}.footer-links{align-items:center;gap:2px;display:flex}.section{margin-top:72px}.section-title{font-family:var(--font-serif);align-items:baseline;gap:10px;margin:0 0 20px;font-size:20px;font-weight:700;display:flex}.section-title .section-en{font-family:var(--font-mono);color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;font-size:12px}.hero{text-align:center;padding:88px 0 8px}.hero h1{font-family:var(--font-serif);letter-spacing:.01em;margin:0 0 8px;font-size:44px;font-weight:700}.avatar-img{object-fit:cover;border:2px solid var(--border);border-radius:50%;width:96px;height:96px;margin:0 auto 20px;display:block;box-shadow:0 8px 28px #6096ff59}.hero .hero-tagline{color:var(--text-muted);margin:0 0 18px;font-size:16px}.hero .hero-links{justify-content:center;gap:6px;display:flex}.post-list{margin:0;padding:0;list-style:none}.post-item{border-bottom:1px solid var(--border);align-items:baseline;gap:16px;padding:10px 0;display:flex}.post-item:last-child{border-bottom:none}.post-date{font-family:var(--font-mono);color:var(--text-faint);white-space:nowrap;min-width:92px;font-size:13px}.post-title{font-family:var(--font-serif);color:var(--text);font-size:17px;line-height:1.5}.post-item:hover .post-title{color:var(--accent)}.post-excerpt{color:var(--text-muted);margin:2px 0 0;font-size:14px}.home-posts{max-width:820px;margin:0 auto}.pager{justify-content:center;align-items:center;gap:14px;margin-top:28px;display:flex}.pager-btn{color:var(--text-muted);background:var(--bg-elevated);border:1px solid var(--border);cursor:pointer;border-radius:999px;padding:6px 16px;font-size:14px;transition:color .15s,border-color .15s,background-color .15s}.pager-btn:hover:not(:disabled){color:var(--accent);border-color:var(--accent)}.pager-btn:disabled{opacity:.4;cursor:not-allowed}.pager-info{font-family:var(--font-mono);color:var(--text-faint);font-size:13px}.post-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;padding:20px 24px 18px;transition:border-color .15s,transform .15s,background-color .15s,box-shadow .18s;display:block}.post-card:hover{border-color:var(--accent);transform:translateY(-2px)}.post-card .pc-meta{font-family:var(--font-mono);color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:12px;display:flex}.post-card .pc-meta .pc-sep{opacity:.5}.post-card .pc-title{font-family:var(--font-serif);color:var(--text);margin:10px 0 6px;font-size:19px;line-height:1.5}.post-card:hover .pc-title{color:var(--accent)}.post-card .pc-desc{color:var(--text-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0 0 12px;font-size:14px;line-height:1.7;display:-webkit-box;overflow:hidden}.post-card .pc-tags{flex-wrap:wrap;gap:6px;display:flex}.post-card .pc-tag{color:var(--text-muted);background:var(--accent-soft);border-radius:999px;padding:2px 10px;font-size:12px}.page-head{padding:72px 0 8px}.page-head h1{font-family:var(--font-serif);margin:0 0 8px;font-size:36px;font-weight:700}.page-head p{color:var(--text-muted);margin:0}.about-welcome{text-align:center;max-width:720px;padding-top:24px}.about-welcome p{font-family:var(--font-serif);color:var(--text-muted);font-size:20px}.card-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:40px;display:grid}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:border-color .15s,transform .15s,box-shadow .15s;display:block}.card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.card h3{font-family:var(--font-serif);margin:0 0 8px;font-size:18px}.card p{color:var(--text-muted);margin:0;font-size:14px}.link-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:36px;display:grid}.link-card{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text);border-radius:14px;align-items:center;gap:12px;padding:10px 14px;transition:border-color .15s,transform .15s,box-shadow .15s;display:flex}.link-card:hover{color:var(--text);border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.link-avatar{background:var(--accent-soft);border-radius:50%;flex:none;justify-content:center;align-items:center;width:46px;height:46px;display:flex;position:relative;overflow:hidden}.link-avatar-fallback{color:var(--accent);user-select:none;font-size:18px;font-weight:600}.link-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%;position:absolute;inset:0}.link-body{flex-direction:column;flex:auto;gap:2px;min-width:0;display:flex}.link-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:500;overflow:hidden}.link-desc{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.link-arrow{width:15px;height:15px;color:var(--text-faint);opacity:0;flex:none;transition:opacity .15s,transform .15s,color .15s;transform:translate(-4px)}.link-card:hover .link-arrow{opacity:1;color:var(--accent);transform:translate(0)}.post-article{padding:64px 0 0}.post-article h1{font-family:var(--font-serif);margin:0;font-size:34px;font-weight:700;line-height:1.35}.post-meta{color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:6px 18px;margin-bottom:16px;font-size:13px;display:flex}.meta-item{align-items:center;gap:6px;min-width:0;display:inline-flex}.meta-icon{opacity:.7;flex:none;width:15px;height:15px}.post-meta time{font-family:var(--font-mono);font-size:13px}.meta-tags{flex-wrap:wrap;row-gap:2px}.meta-sep{opacity:.45;margin:0 5px}.post-desc{color:var(--text-muted);margin:12px 0 0;font-size:15.5px;font-style:italic;line-height:1.75}.post-divider{border-top:1px solid var(--border);width:33%;margin:28px 0 34px}.prose{font-size:16.5px;line-height:1.9}.prose h2{font-family:var(--font-serif);border-bottom:1px solid var(--border);margin:44px 0 14px;padding-bottom:6px;font-size:24px}.prose h3{font-family:var(--font-serif);margin:32px 0 10px;font-size:19px}.prose h4{margin:28px 0 10px;font-size:17px;font-weight:700}.prose h5{margin:24px 0 8px;font-size:16px;font-weight:700}.prose h6{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin:20px 0 6px;font-size:14px;font-weight:700}.prose p{margin:0 0 18px}.prose a{text-underline-offset:3px;text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 45%, transparent)}.prose a:hover{text-decoration-color:var(--accent)}.prose ul,.prose ol{margin:0 0 18px;padding-left:24px}.prose li{margin:4px 0}.prose blockquote{border-left:3px solid var(--accent);color:var(--text-muted);background:var(--bg-soft);border-radius:0 var(--radius) var(--radius) 0;margin:0 0 18px;padding:2px 18px}.prose code{font-family:var(--font-mono);background:var(--code-bg);border-radius:6px;padding:2px 6px;font-size:.88em}.prose :not(pre)>code{overflow-wrap:anywhere}.prose pre{background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;margin:0 0 20px;padding:18px 20px;font-size:13.5px;line-height:1.65;overflow-x:auto;box-shadow:0 2px 12px #0000000f}.prose pre code{background:0 0;padding:0;font-size:13.5px}.prose pre:after{content:attr(data-language);font-family:var(--font-mono);color:#e1e4e873;text-transform:lowercase;pointer-events:none;font-size:11px;position:absolute;top:10px;right:14px}.prose pre{position:relative}.prose table{border-collapse:collapse;width:100%;margin:0 0 18px;font-size:15px}.table-wrap{-webkit-overflow-scrolling:touch;margin:0 0 18px;overflow-x:auto}.table-wrap table{margin-bottom:0}.prose th,.prose td{border:1px solid var(--border);text-align:left;padding:8px 12px}.prose th,.prose tbody tr:nth-child(2n){background:var(--bg-soft)}.prose tbody tr:hover{background:var(--accent-soft)}.prose strong{font-weight:700}.prose img{border-radius:10px;max-width:100%;height:auto;margin:10px auto 22px;display:block;box-shadow:0 3px 16px #0000001a}.prose p:has(>img){text-align:center}.prose p img{vertical-align:middle;display:inline-block}.prose hr{border:none;border-top:1px solid var(--border);margin:36px 0}.back-link{color:var(--text-muted);margin-bottom:40px;font-size:14px;display:inline-block}.back-link:hover{color:var(--accent)}.post-pager{border-top:1px solid var(--border);justify-content:space-between;gap:16px;margin-top:56px;padding-top:24px;font-size:14px;display:flex}.post-pager span{color:var(--text-faint);margin-bottom:2px;font-size:12px;display:block}.post-pager a{color:var(--text-muted)}.post-pager a:hover{color:var(--accent)}.search-box{margin-top:40px}.search-input{width:100%;font-size:16px;font-family:var(--font-sans);color:var(--text);background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);outline:none;padding:14px 18px;transition:border-color .15s}.search-input:focus{border-color:var(--accent)}.search-hint{color:var(--text-faint);margin-top:10px;font-size:13px}.search-results{margin-top:28px}.search-empty{color:var(--text-faint);font-size:14px}.notfound{text-align:center;padding:120px 0 80px}.notfound h1{font-family:var(--font-serif);margin:0;font-size:72px}.notfound p{color:var(--text-muted)}.page-wrap{grid-template-columns:minmax(0,1fr) 236px;align-items:start;gap:48px;display:grid}.toc-content{min-width:0}.toc-col{max-height:calc(100vh - 110px);padding-top:8px;position:sticky;top:84px;overflow-y:auto}.toc{font-size:13px;line-height:1.5}.toc .toc-title{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.14em;color:var(--text-faint);margin:0 0 14px;font-size:11px}.toc ul{margin:0;padding:0;list-style:none}.toc ul ul{margin-left:10px}.toc-row{position:relative}.toc-bar{background:0 0;border-radius:2px;width:2px;height:0;transition:background-color .3s,height .12s linear;position:absolute;top:5%;left:0}.toc-bar.is-read{background:var(--border)}.toc-bar.is-active{background:var(--accent)}.toc a{color:var(--text-faint);border-radius:8px;margin-left:2px;padding:4px 12px;transition:color .15s,background-color .15s;display:block}.toc a:hover{color:var(--text)}.toc a.is-active{color:var(--accent);background:var(--accent-soft);font-weight:500}.toc a.round-top{border-radius:10px 10px 0 0}.toc a.round-bottom{border-radius:0 0 10px 10px}.toc a.round-top.round-bottom{border-radius:10px}.toc-content h2,.toc-content h3,.toc-content h4,.toc-content h5,.toc-content h6{scroll-margin-top:92px}@media (width<=920px){.page-wrap{grid-template-columns:1fr;gap:0}.toc-col{display:none}}@media (width<=640px){.hero{padding-top:56px}.hero h1{font-size:34px}.post-item{flex-direction:column;gap:2px;padding:12px 0}.page-head{padding-top:48px}.post-article h1{font-size:27px}}.read-progress{z-index:40;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;position:fixed;bottom:24px;right:24px;transform:translateY(12px)}.read-progress.show{opacity:1;pointer-events:auto;transform:none}.rp-btn{border:1px solid var(--border);background:var(--bg-elevated);width:52px;height:52px;color:var(--text-muted);font-family:var(--font-mono);cursor:pointer;box-shadow:var(--shadow);border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:13px;transition:color .2s,border-color .2s,transform .2s;display:flex;position:relative}.rp-btn:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}.rp-num,.rp-unit{transition:opacity .2s}.rp-arrow{opacity:0;width:18px;height:18px;transition:opacity .2s;position:absolute}.read-progress.done .rp-num,.read-progress.done .rp-unit{opacity:0}.read-progress.done .rp-arrow{opacity:1}@media (width<=640px){.read-progress{bottom:16px;right:16px}.rp-btn{width:46px;height:46px;font-size:12px}}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.hero,.page-head{animation:.5s both fadeUp}[data-hov]{transition:transform .28s cubic-bezier(.2,.7,.2,1),translate .28s cubic-bezier(.2,.7,.2,1),scale .28s cubic-bezier(.2,.7,.2,1),color .28s,border-color .28s,background-color .28s,box-shadow .28s}[data-hov]:hover{translate:0 -2px;scale:1.03}[data-hov]:active{translate:0;scale:.96}[data-hov]:hover,[data-hov]:active,[data-hov]:hover .pc-title,[data-hov]:hover h3{color:var(--hov-c,var(--accent))}.footer-bar{z-index:45;color:var(--text-faint);background:var(--bg-elevated);border:1px solid var(--border);white-space:nowrap;pointer-events:none;user-select:none;align-items:center;padding:7px 14px;font-size:12px;line-height:1;display:inline-flex;position:fixed;bottom:12px;right:16px;box-shadow:0 10px 28px -14px #0f142859}.footer-bar b{font-family:var(--font-mono);color:var(--text-muted);font-weight:500}.pw-gate{z-index:60;background:repeating-linear-gradient(#ffffff07 0 1px,#0000 1px 3px),radial-gradient(120% 90% at 50% 0,#581c8757,#0000 58%),#000;justify-content:center;align-items:center;padding:24px 20px 12vh;animation:.3s both pwVeil;display:flex;position:fixed;inset:0}.pw-gate[hidden],.pw-body[hidden]{display:none}@keyframes pwVeil{0%{opacity:0}to{opacity:1}}.pw-panel{background:linear-gradient(#20112efc,#0f0818fc);border:1px solid #a855f761;border-radius:2px;flex-direction:column;align-items:center;gap:20px;padding:36px 36px 26px;display:flex;position:relative;overflow:hidden;box-shadow:0 0 0 1px #000000e6,0 0 60px -6px #7c3aed8c,0 30px 80px -24px #581c87d9,inset 0 1px #ffffff0f}.pw-panel:after{content:"";pointer-events:none;background:linear-gradient(#0000,#a855f724,#0000);height:45%;animation:3.6s linear infinite pwScan;position:absolute;top:0;left:0;right:0}@keyframes pwScan{0%{transform:translateY(-130%)}to{transform:translateY(330%)}}.pw-corners{pointer-events:none;position:absolute;inset:5px}.pw-corners i{border:1px solid #a855f7e6;width:13px;height:13px;position:absolute}.pw-corners i:first-child{border-bottom:0;border-right:0;top:0;left:0}.pw-corners i:nth-child(2){border-bottom:0;border-left:0;top:0;right:0}.pw-corners i:nth-child(3){border-top:0;border-right:0;bottom:0;left:0}.pw-corners i:nth-child(4){border-top:0;border-left:0;bottom:0;right:0}.pw-lock{color:#b06cff;width:34px;height:34px;animation:3.4s ease-in-out infinite pwBreath}@keyframes pwBreath{0%,to{opacity:.7;filter:drop-shadow(0 0 7px #a855f766)}50%{opacity:1;filter:drop-shadow(0 0 18px #a855f7f2)}}.pw-form{align-items:stretch;display:flex}.pw-input{color:#ece4f8;width:250px;font-family:var(--font-mono);letter-spacing:.1em;background:#08040de6;border:1px solid #a855f75c;border-right:0;border-radius:2px 0 0 2px;outline:none;padding:12px 14px;font-size:13px;transition:border-color .18s,box-shadow .18s,background-color .18s}.pw-input::placeholder{color:#a855f78c;letter-spacing:.16em}.pw-input:focus{background:#0e0716f5;border-color:#a855f7e6;box-shadow:inset 0 0 26px #a855f72e}.pw-btn{color:#f5eeff;font-family:var(--font-mono);letter-spacing:.18em;cursor:pointer;background:linear-gradient(#7c3aede6,#4c1d95f2);border:1px solid #a855f78c;border-radius:0 2px 2px 0;padding:12px 20px;font-size:13px;transition:filter .18s,box-shadow .18s}.pw-btn:hover{filter:brightness(1.18);box-shadow:0 0 24px #a855f780}.pw-btn:disabled{opacity:.55;cursor:default}.pw-error{color:#ff5470;min-height:16px;font-family:var(--font-mono);letter-spacing:.1em;text-shadow:0 0 14px #ff547099;margin:0;font-size:12px}@media (width<=480px){.pw-gate{padding-bottom:8vh}.pw-panel{padding:28px 20px 20px}.pw-form{flex-direction:column;width:100%}.pw-input{text-align:center;border-right:1px solid #a855f75c;border-radius:2px;width:100%}.pw-btn{border-top:0;border-radius:2px}}.link-zoom-ghost{z-index:301;pointer-events:none;will-change:transform, filter;transform-origin:50%;border-radius:50%;position:fixed;overflow:hidden}.link-spark{z-index:303;pointer-events:none;transform-origin:0;will-change:transform, opacity;filter:saturate(1.3)brightness(1.15);border-radius:999px;position:fixed}.link-zoom-ring{border:2.5px solid var(--accent);opacity:0;z-index:300;pointer-events:none;border-radius:50%;width:22px;height:22px;margin:-11px 0 0 -11px;transition:transform .55s cubic-bezier(.15,.7,.25,1),opacity .5s;position:fixed;top:50%;left:50%;transform:scale(0)}.link-zoom-ring.on{opacity:.55;transform:scale(22)}.prose .katex-display{margin:1.1em 0;padding:6px 2px;overflow:auto hidden}.ext-modal{z-index:400;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.ext-modal[hidden]{display:none}.ext-modal-mask{backdrop-filter:blur(4px);background:#0c08188c;animation:.18s both extFade;position:absolute;inset:0}.ext-modal-panel{border:1px solid var(--border);background:var(--bg-elevated);width:min(430px,100%);box-shadow:var(--shadow);border-radius:14px;padding:24px 24px 18px;animation:.24s cubic-bezier(.2,.8,.25,1) both extPop;position:relative}@keyframes extFade{0%{opacity:0}to{opacity:1}}@keyframes extPop{0%{opacity:0;transform:translateY(8px)scale(.97)}to{opacity:1;transform:none}}.ext-modal-tag{font-family:var(--font-mono);letter-spacing:.14em;color:var(--accent);background:var(--accent-soft);border-radius:4px;margin-bottom:10px;padding:2px 8px;font-size:10px;display:inline-block}.ext-modal-title{color:var(--text);margin:0 0 8px;font-size:17px;font-weight:600}.ext-modal-url{background:var(--code-bg);font-family:var(--font-mono);color:var(--text-muted);word-break:break-all;border-radius:8px;max-height:84px;margin:0 0 10px;padding:8px 10px;font-size:12px;line-height:1.5;overflow:auto}.ext-modal-hint{color:var(--text-faint);margin:0 0 18px;font-size:12.5px}.ext-modal-actions{justify-content:flex-end;gap:10px;display:flex}.ext-btn{cursor:pointer;border:1px solid #0000;border-radius:8px;padding:9px 18px;font-size:13px;transition:filter .18s,background-color .18s,border-color .18s}.ext-btn-ghost{border-color:var(--border);color:var(--text-muted);background:0 0}.ext-btn-ghost:hover{border-color:var(--text-faint);color:var(--text)}.ext-btn-main{background:var(--accent);color:var(--bg);font-weight:500}.ext-btn-main:hover{filter:brightness(1.1)}.prose a[href^=http]:not([href*="takinol.github.io"]):after{content:"↗";opacity:.55;margin-left:2px;font-size:.78em;display:inline-block}.mondrian-grid{column-count:2;column-gap:6px}@media (width<=720px){.mondrian-grid{column-count:1}}.post-card{width:100%;min-height:var(--card-h,180px);background:var(--card-bg,var(--bg-elevated));color:var(--card-fg,var(--text));break-inside:avoid;-webkit-column-break-inside:avoid;border:3px solid #111;border-radius:0;margin:0 0 6px;padding:18px 18px 16px;display:block;position:relative;overflow:hidden}.mondrian-grid .post-card:hover{color:var(--card-fg);filter:brightness(1.07);transform:translate(0,0)scale(1)}.mondrian-grid .pc-meta{color:var(--card-fg);opacity:.72}.mondrian-grid .pc-title{color:var(--card-fg);font-size:20px;line-height:1.42}.mondrian-grid .post-card:hover .pc-title{color:var(--card-fg)}.mondrian-grid .pc-desc{color:var(--card-fg);opacity:.82}.mondrian-grid .pc-tag{color:var(--card-fg);background:color-mix(in srgb, var(--card-fg) 20%, transparent);border-radius:0}.pc-cover{z-index:0;pointer-events:none;background-position:50%;background-repeat:no-repeat;background-size:cover;width:46%;position:absolute;inset:0 0 0 auto;-webkit-mask-image:linear-gradient(90deg,#0000 0%,#000 34%);mask-image:linear-gradient(90deg,#0000 0%,#000 34%)}@media (width<=560px){.pc-cover{width:38%}}.post-card>:not(.pc-cover){z-index:1;position:relative}@font-face{font-family:Smiley Sans Subset;src:url(/fonts/smiley-subset.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}.tag-cloud{margin-top:16px;margin-bottom:22px}.tag-cloud-title{font-family:"Smiley Sans Subset", var(--font-mono);letter-spacing:.02em;color:var(--text);margin-bottom:10px;font-size:18px;font-weight:400}.tag-cloud-list{flex-wrap:wrap;gap:6px;display:flex}.tc-chip{background:var(--tag-bg,#fff5ee);color:var(--tag-fg,#070d0d);cursor:pointer;border:2px solid #070d0d;border-radius:0;align-items:center;gap:5px;padding:3px 9px;font-family:inherit;font-size:12.5px;font-weight:600;line-height:1.5;transition:filter .15s,translate .15s;display:inline-flex}.tc-chip:hover{filter:brightness(.92);translate:0 -1px}.tc-chip.is-active{color:#fff5ee;background:#070d0d;border-color:#070d0d}.tc-count{font-family:var(--font-mono);opacity:.7;font-size:11px}.tag-empty{color:var(--text-muted);margin:24px 0 0;font-size:14px}@media (width<=920px){.toc-col.has-tags{order:-1;margin-bottom:22px;display:block}}.fight-band{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:linear-gradient(180deg, transparent 0%, var(--bg-elevated) 82%);height:136px;margin:30px 0 10px;position:relative;overflow:hidden}.fight-band canvas{width:100%;height:100%;display:block}@media (width<=640px){.fight-band{height:116px;margin:20px 0 8px}}.fight-tools{border-bottom:1px solid var(--border);background:var(--bg-soft)}.fight-tools-inner{flex-wrap:wrap;align-items:center;gap:8px;padding:10px 0;display:flex}.fight-tools-label{letter-spacing:.08em;color:var(--text-faint);margin-right:4px;font-size:12px}.fight-tool{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);border-radius:999px;align-items:center;padding:5px 12px;font-size:13px;line-height:1.4;text-decoration:none;transition:color .15s,border-color .15s,background .15s;display:inline-flex}.fight-tool:hover{color:var(--text);border-color:var(--accent)}.fight-tool.cur{color:#fff;background:var(--accent);border-color:var(--accent);font-weight:600}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_AMS-Regular.BQhdFMY1.woff2)format("woff2"),url(/_astro/KaTeX_AMS-Regular.DMm9YOAa.woff)format("woff"),url(/_astro/KaTeX_AMS-Regular.DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2)format("woff2"),url(/_astro/KaTeX_Caligraphic-Bold.BEiXGLvX.woff)format("woff"),url(/_astro/KaTeX_Caligraphic-Bold.ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Caligraphic-Regular.Di6jR-x-.woff2)format("woff2"),url(/_astro/KaTeX_Caligraphic-Regular.CTRA-rTL.woff)format("woff"),url(/_astro/KaTeX_Caligraphic-Regular.wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Fraktur-Bold.CL6g_b3V.woff2)format("woff2"),url(/_astro/KaTeX_Fraktur-Bold.BsDP51OF.woff)format("woff"),url(/_astro/KaTeX_Fraktur-Bold.BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Fraktur-Regular.CTYiF6lA.woff2)format("woff2"),url(/_astro/KaTeX_Fraktur-Regular.Dxdc4cR9.woff)format("woff"),url(/_astro/KaTeX_Fraktur-Regular.CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_Main-Bold.Cx986IdX.woff2)format("woff2"),url(/_astro/KaTeX_Main-Bold.Jm3AIy58.woff)format("woff"),url(/_astro/KaTeX_Main-Bold.waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/_astro/KaTeX_Main-BoldItalic.DxDJ3AOS.woff2)format("woff2"),url(/_astro/KaTeX_Main-BoldItalic.SpSLRI95.woff)format("woff"),url(/_astro/KaTeX_Main-BoldItalic.DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_Main-Italic.NWA7e6Wa.woff2)format("woff2"),url(/_astro/KaTeX_Main-Italic.BMLOBm91.woff)format("woff"),url(/_astro/KaTeX_Main-Italic.3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Main-Regular.B22Nviop.woff2)format("woff2"),url(/_astro/KaTeX_Main-Regular.Dr94JaBh.woff)format("woff"),url(/_astro/KaTeX_Main-Regular.ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/_astro/KaTeX_Math-BoldItalic.CZnvNsCZ.woff2)format("woff2"),url(/_astro/KaTeX_Math-BoldItalic.iY-2wyZ7.woff)format("woff"),url(/_astro/KaTeX_Math-BoldItalic.B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_Math-Italic.t53AETM-.woff2)format("woff2"),url(/_astro/KaTeX_Math-Italic.DA0__PXp.woff)format("woff"),url(/_astro/KaTeX_Math-Italic.flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/_astro/KaTeX_SansSerif-Bold.D1sUS0GD.woff2)format("woff2"),url(/_astro/KaTeX_SansSerif-Bold.DbIhKOiC.woff)format("woff"),url(/_astro/KaTeX_SansSerif-Bold.CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/_astro/KaTeX_SansSerif-Italic.C3H0VqGB.woff2)format("woff2"),url(/_astro/KaTeX_SansSerif-Italic.DN2j7dab.woff)format("woff"),url(/_astro/KaTeX_SansSerif-Italic.YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_SansSerif-Regular.DDBCnlJ7.woff2)format("woff2"),url(/_astro/KaTeX_SansSerif-Regular.CS6fqUqJ.woff)format("woff"),url(/_astro/KaTeX_SansSerif-Regular.BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Script-Regular.D3wIWfF6.woff2)format("woff2"),url(/_astro/KaTeX_Script-Regular.D5yQViql.woff)format("woff"),url(/_astro/KaTeX_Script-Regular.C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size1-Regular.mCD8mA8B.woff2)format("woff2"),url(/_astro/KaTeX_Size1-Regular.C195tn64.woff)format("woff"),url(/_astro/KaTeX_Size1-Regular.Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size2-Regular.Dy4dx90m.woff2)format("woff2"),url(/_astro/KaTeX_Size2-Regular.oD1tc_U0.woff)format("woff"),url(/_astro/KaTeX_Size2-Regular.B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/_astro/KaTeX_Size3-Regular.CTq5MqoE.woff)format("woff"),url(/_astro/KaTeX_Size3-Regular.DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Size4-Regular.Dl5lxZxV.woff2)format("woff2"),url(/_astro/KaTeX_Size4-Regular.BF-4gkZK.woff)format("woff"),url(/_astro/KaTeX_Size4-Regular.DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/_astro/KaTeX_Typewriter-Regular.CO6r4hn1.woff2)format("woff2"),url(/_astro/KaTeX_Typewriter-Regular.C0xS9mPB.woff)format("woff"),url(/_astro/KaTeX_Typewriter-Regular.D3Ib7_Hf.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{-webkit-clip-path:inset(50%);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}
