@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000}}}@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-serif:ui-serif,Georgia,Cambria,"Times New Roman",Times,serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.top-1{top:calc(var(--spacing)*1)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.hidden{display:none}.ring{--tw-ring-shadow:var(--tw-ring-inset,)0 0 0 calc(1px + var(--tw-ring-offset-width))var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}}:root{--bg:#fcfcfa;--fg:#1a1a1a;--fg-soft:#333;--muted:#8a8a8a;--accent:#2d6a4f;--accent-light:#2d6a4f14;--accent-border:#2d6a4f26;--border:#e8e5df;--border-light:#f0ede8;--code-bg:#f5f3ee;--diagram-bg:#faf9f6;--card-bg:#fff;--font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;--font-sans:-apple-system,"SF Pro Text","Helvetica Neue",sans-serif;--font-mono:"JetBrains Mono","SF Mono",Menlo,monospace;--max-width:740px;--radius:8px}@media (prefers-color-scheme:dark){:root{--bg:#191919;--fg:#ddd9d0;--fg-soft:#bbb7ae;--muted:#777;--border:#2a2a28;--border-light:#242422;--code-bg:#1f1f1d;--diagram-bg:#1c1c1a;--card-bg:#222220}}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-serif);background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:17px;line-height:1.85}::selection{background:var(--accent-light);color:var(--accent)}.container{max-width:var(--max-width);margin:0 auto;padding:2.5rem 1.5rem 5rem}@media (max-width:600px){.container{padding:1.5rem 1rem 3rem}}.site-header{text-align:center;margin-bottom:2.5rem;padding:4rem 0 2.5rem}.site-header h1{letter-spacing:.15em;color:var(--fg);margin-bottom:.6rem;font-size:1.6rem;font-weight:700}.site-header .subtitle{color:var(--muted);font-size:.88rem;font-family:var(--font-sans);letter-spacing:.02em}.search-box{align-items:center;gap:.5rem;margin-bottom:1rem;display:flex}.search-box input{font-size:.85rem;font-family:var(--font-sans);border:1px solid var(--border);background:var(--bg);color:var(--fg);border-radius:8px;outline:none;flex:1;padding:.6rem .85rem;transition:border-color .2s}.search-box input:focus{border-color:var(--accent)}.search-box input::placeholder{color:var(--muted)}.item-list{list-style:none}.item-list li{padding:1rem 0}.item-list li+li{border-top:1px solid var(--border-light)}.item-list a{color:var(--fg);text-decoration:none;transition:opacity .15s;display:block}.item-list a:hover{opacity:.7}.item-title{color:var(--fg);margin-bottom:.15rem;font-size:1rem;font-weight:600}.item-meta{color:var(--muted);font-size:.78rem;font-family:var(--font-sans)}.item-meta span+span:before{content:" · ";color:var(--border);margin:0 .25rem}.item-formula{font-family:var(--font-mono);color:var(--muted);margin-top:.3rem;font-size:.8rem}.item-tags{margin-top:.4rem}.tag{font-size:.72rem;font-family:var(--font-sans);color:var(--muted);background:var(--code-bg);border-radius:3px;margin-right:.3rem;padding:.15em .6em;display:inline-block}.item-description{color:var(--fg-soft);margin-top:.5rem;font-size:.9rem;line-height:1.6}.site-footer{text-align:center;border-top:1px solid var(--border);color:var(--muted);margin-top:3rem;padding:3rem 0 1rem;font-size:.85rem}.back-link{color:var(--muted);font-size:.85rem;font-family:var(--font-sans);margin-bottom:2rem;text-decoration:none;transition:color .15s;display:inline-block}.back-link:hover{color:var(--accent)}.article-header{text-align:center;border-bottom:1px solid var(--border);margin-bottom:2.5rem;padding-bottom:2rem}.article-header h1{margin-bottom:.4rem;font-size:1.7rem;font-weight:700;line-height:1.35}.article-header .meta{color:var(--muted);font-size:.85rem;font-family:var(--font-sans);margin-top:.5rem}.article-header .tags{margin-top:.6rem}.toc{border:1px solid var(--border-light);border-radius:var(--radius);background:0 0;margin-bottom:2.5rem;padding:1.2rem 1.6rem}.toc h4{font-size:.78rem;font-family:var(--font-sans);color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.6rem}.toc ul{list-style:none}.toc li{margin:.35rem 0}.toc a{color:var(--fg-soft);font-size:.9rem;text-decoration:none;transition:color .15s}.toc a:hover{color:var(--accent)}.markdown{max-width:var(--max-width);margin:0 auto}.markdown>:first-child{margin-top:0}.markdown h1{text-align:center;margin-bottom:.4rem;font-size:1.7rem;font-weight:700;line-height:1.35}.markdown h2{border-bottom:1px solid var(--border);margin-top:3rem;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.25rem;font-weight:700}.markdown h3{color:var(--fg-soft);margin-top:2rem;margin-bottom:.6rem;font-size:1.05rem;font-weight:600}.markdown h4{margin-top:1.5rem;margin-bottom:.5rem;font-size:.95rem;font-weight:600}.markdown p{margin-bottom:1.1rem}.markdown a{color:var(--accent);text-underline-offset:2px;text-decoration:underline;-webkit-text-decoration-color:var(--accent-border);-webkit-text-decoration-color:var(--accent-border);-webkit-text-decoration-color:var(--accent-border);text-decoration-color:var(--accent-border);transition:text-decoration-color .15s}.markdown a:hover{-webkit-text-decoration-color:var(--accent);-webkit-text-decoration-color:var(--accent);-webkit-text-decoration-color:var(--accent);text-decoration-color:var(--accent)}.markdown ul,.markdown ol{margin-bottom:1.1rem;padding-left:1.5rem}.markdown li{margin-bottom:.4rem}.markdown li::marker{color:var(--accent)}.markdown blockquote{border-left:2px solid var(--accent);color:var(--fg-soft);background:0 0;margin:1.5rem 0;padding:.6rem 1.2rem;font-size:.95rem}.markdown code{font-family:var(--font-mono);background:var(--code-bg);color:var(--fg-soft);border-radius:3px;padding:.15em .35em;font-size:.85em}.markdown pre{background:var(--code-bg);border-radius:var(--radius);font-family:var(--font-mono);border:1px solid var(--border-light);margin:1.5rem 0;padding:1.2rem 1.4rem;font-size:.78rem;line-height:1.65;overflow-x:auto}.markdown pre code{color:var(--fg);font-size:inherit;background:0 0;padding:0}.markdown hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}.markdown img{border-radius:8px;max-width:100%;height:auto;margin:1.5rem 0}.markdown table{border-collapse:collapse;width:100%;margin:1.5rem 0;font-size:.95rem}.markdown th,.markdown td{border:1px solid var(--border);text-align:left;padding:.75rem}.markdown th{background:var(--code-bg);font-weight:600}.comments-section{max-width:var(--max-width);border-top:1px solid var(--border);margin:3rem auto 0;padding-top:2rem}.comments-title{color:var(--fg);margin-bottom:1.5rem;font-size:1.1rem;font-weight:600}.giscus-container{min-height:200px}.post-footer{border-top:1px solid var(--border);margin-top:3rem;padding-top:2rem}.katex{font-size:1em}.katex-display{margin:1em 0;padding:.5em 0;overflow:auto hidden}@media (prefers-color-scheme:dark){.katex{color:var(--fg)}}.filter-section{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.filter-group{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.filter-group-full{width:100%}.filter-label{font-size:.85rem;font-family:var(--font-serif);color:var(--fg-soft);white-space:nowrap}.filter-select{font-size:.85rem;font-family:var(--font-sans);background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--fg);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238a8a8a' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-position:right .5rem center;background-repeat:no-repeat;min-width:140px;padding:.4rem 2rem .4rem .6rem}.filter-select:hover{border-color:var(--accent)}.filter-select:focus{border-color:var(--accent);outline:none}.domain-tags{flex-wrap:wrap;flex:1;gap:.4rem;display:flex}.domain-tag{font-size:.8rem;font-family:var(--font-sans);background:var(--code-bg);border:1px solid var(--border);color:var(--fg-soft);cursor:pointer;border-radius:12px;padding:.25rem .6rem;font-weight:400;transition:all .15s}.domain-tag:hover{border-color:var(--accent);color:var(--accent)}.domain-tag.active{background:var(--accent);border-color:var(--accent);color:#fff}.time-tag{background:var(--code-bg);border-color:var(--border)}.time-tag.active{background:var(--accent);border-color:var(--accent);color:#fff}.clear-filters-btn{font-size:.75rem;font-family:var(--font-sans);border:1px solid var(--accent);color:var(--accent);cursor:pointer;white-space:nowrap;background:0 0;border-radius:4px;margin-left:auto;padding:.35rem .75rem;transition:all .15s}.clear-filters-btn:hover{background:var(--accent);color:#fff}.results-count{font-size:.8rem;font-family:var(--font-serif);color:var(--muted);text-align:right;margin-bottom:.75rem}.item-header{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.25rem;display:flex}.item-domain-tag{font-size:.7rem;font-family:var(--font-sans);border-radius:8px;padding:.15em .5em;font-weight:400;display:inline-block}@media (max-width:600px){.filter-section{gap:.4rem}.item-header{flex-direction:column;align-items:flex-start;gap:.35rem}.domain-tag{padding:.2rem .5rem;font-size:.75rem}}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}