/* Shared tokens and layouts; no remote fonts or CSS dependencies. */
:root{--bg:#f8f9f5;--panel:#eef1e7;--paper:#fff;--text:#26312b;--muted:#737b71;--accent:#607644;--line:#dde2d6;--code:#202b25;--code-text:#e1e7d9;--shadow:0 12px 35px #25301e08;color-scheme:light}
:root[data-theme=dark]{--bg:#171d19;--panel:#232c22;--paper:#1d251f;--text:#e4e9df;--muted:#a4afa0;--accent:#acc783;--line:#344031;--code:#111812;--code-text:#e1e7d9;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a,button{transition:color .18s,background .18s,border-color .18s}a:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}svg{flex-shrink:0;vertical-align:middle}::selection{background:var(--accent);color:var(--bg)}.shell{max-width:1120px;margin:auto;padding:0 36px}.skip{position:fixed;top:10px;left:10px;z-index:99;padding:10px 18px;background:var(--paper);transform:translateY(-160%)}.skip:focus{transform:none}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{max-width:1120px;padding:22px 36px;margin:auto;display:flex;align-items:center;gap:56px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700;letter-spacing:-.6px;line-height:1.4}.brand-icon{width:35px;height:35px;color:var(--accent)}.brand-sub{display:block;font:9px/1.8 ui-monospace,Consolas,monospace;letter-spacing:2px;color:var(--muted)}.site-header nav{display:flex;gap:30px;margin-left:auto;font-size:14px}.site-header nav a{position:relative}.site-header nav a[aria-current]{color:var(--accent);font-weight:600}.site-header nav a[aria-current]:after{content:"";height:3px;width:14px;background:var(--accent);position:absolute;bottom:-24px;left:calc(50% - 7px)}.header-actions{display:flex;align-items:center;gap:20px}.search-link{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}kbd{border:1px solid var(--line);border-radius:4px;padding:0 6px;font:11px/1.6 monospace}.icon-button{background:none;border:0;color:var(--text);padding:6px;display:flex}.icon-button:hover{color:var(--accent)}.hero{position:relative;padding:76px 0 64px}.eyebrow{font:11px/1.8 ui-monospace,Consolas,monospace;letter-spacing:1.7px;color:var(--muted);display:flex;align-items:center;gap:10px}.status-dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;flex-shrink:0}.hero h1{font-size:clamp(35px,4.3vw,52px);line-height:1.45;letter-spacing:-1.8px;font-weight:650;margin:24px 0 20px}.accent{color:var(--accent)}.hero p{color:var(--muted);line-height:1.9;font-size:15px}.hero-links{display:flex;align-items:center;gap:26px;margin-top:30px;font-size:13px}.primary-link{display:inline-flex;align-items:center;justify-content:center;gap:22px;background:var(--text);color:var(--bg);padding:11px 20px;border-radius:5px;font-size:13px}.primary-link:hover{background:var(--accent);color:var(--bg)}.hero-mark{position:absolute;right:38px;top:120px;display:flex;align-items:center;gap:26px;color:var(--line);font:150px/.8 ui-monospace,Consolas,monospace}.hero-mark div{font:22px/1.8 ui-monospace,Consolas,monospace;color:var(--muted);letter-spacing:-1px}.hero-mark em{font-style:normal;color:var(--accent)}.featured{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--paper)}.featured-copy{padding:32px 36px 30px}.featured-copy .eyebrow{color:var(--accent)}.featured-copy .eyebrow span{color:var(--muted);font-size:10px}.featured h2{font-size:27px;line-height:1.6;letter-spacing:-.6px;margin:16px 0 12px}.featured p{font-size:13px;color:var(--muted);max-width:370px;line-height:1.8;margin:0 0 20px}.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;color:var(--muted);font:11px/1.8 ui-monospace,Consolas,monospace}.category{font-size:10px;letter-spacing:.8px;color:var(--accent);background:var(--panel);padding:2px 7px;border-radius:3px}.text-link{display:inline-flex;align-items:center;gap:14px;color:var(--accent);font-size:13px;font-weight:500}.featured .text-link{margin-top:24px}.featured-art{border-left:1px solid var(--line);background-color:var(--panel);background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:16px 16px;padding:20px 24px 16px;color:var(--accent);display:flex;flex-direction:column;align-items:center;justify-content:space-between;min-width:0}.art-label{width:100%;display:flex;justify-content:space-between;gap:15px;font:9px/1.5 ui-monospace,Consolas,monospace;letter-spacing:1px;color:var(--muted)}.storage-diagram{width:100%;max-width:350px;height:auto}.art-bottom{font:9px/1.8 ui-monospace,Consolas,monospace;letter-spacing:1.1px;display:flex;align-items:center;gap:8px}.notes{padding:58px 0 0;scroll-margin-top:30px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}.section-heading h2{font-size:25px;letter-spacing:-.5px;margin:5px 0}.section-heading>a,.section-heading>span{font-size:12px;color:var(--muted)}.filters{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-bottom:25px;overflow-x:auto}.filters>a{display:flex;align-items:center;gap:8px;white-space:nowrap;padding:7px 0 13px;font-size:12px;color:var(--muted);border-bottom:2px solid transparent}.filters>a[aria-current]{border-color:var(--accent);color:var(--text);font-weight:600}.filters span{font:10px/1.5 monospace;background:var(--panel);padding:1px 5px;border-radius:3px}.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.post-card{border:1px solid var(--line);border-radius:7px;padding:26px;background:var(--paper);box-shadow:var(--shadow);display:flex;flex-direction:column}.post-card:hover{border-color:var(--accent)}.post-card h3{font-size:19px;line-height:1.55;margin:17px 0 10px;letter-spacing:-.3px;overflow-wrap:anywhere}.post-card p{font-size:13px;line-height:1.85;color:var(--muted);margin:0 0 24px}.card-footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto}.tags{display:flex;flex-wrap:wrap;gap:12px;font:11px/1.6 ui-monospace,Consolas,monospace;color:var(--muted)}.read-link{color:var(--accent)}.closing{padding:44px 0;margin:55px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 20px}.closing .eyebrow{grid-column:1}.closing p{font-size:18px;margin:6px 0;letter-spacing:-.4px}.closing>a{grid-row:1/3;grid-column:2;font-size:12px;color:var(--muted);display:flex;gap:12px;align-items:center}.site-footer{border-top:1px solid var(--line);padding-top:26px;padding-bottom:26px;display:flex;justify-content:space-between;gap:30px;color:var(--muted);font-size:11px}.site-footer>div{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.site-footer>div:first-child>a{font-weight:600;color:var(--text)}.page-intro{padding:64px 0 40px}.page-intro h1{font-size:44px;line-height:1.5;letter-spacing:-1.5px;margin:20px 0 12px}.page-intro>p{color:var(--muted);margin:0}.archive-section{padding-bottom:90px;min-height:350px}.archive-section .section-heading h2{font:32px ui-monospace,Consolas,monospace;color:var(--accent)}.archive-row{display:flex;align-items:center;gap:26px;border-top:1px solid var(--line);padding:23px 0}.archive-row:last-child{border-bottom:1px solid var(--line)}.archive-row time{font:12px monospace;color:var(--muted);flex-shrink:0}.archive-row>a{font-size:17px;flex:1;overflow-wrap:anywhere}.archive-row>span{font:10px monospace;color:var(--muted)}.archive-row>svg{color:var(--accent)}.breadcrumb{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;padding-top:32px}.article-head{max-width:800px;padding:32px 0}.article-head h1{font-size:clamp(27px,3.8vw,40px);line-height:1.5;letter-spacing:-1px;margin:20px 0;overflow-wrap:anywhere}.article-head>p{color:var(--muted)}.article-author{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);margin-top:24px;flex-wrap:wrap}.small-avatar{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--panel);color:var(--accent);font:12px monospace}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 205px;gap:65px;padding-bottom:70px;border-top:1px solid var(--line)}.prose{font-size:15px;line-height:1.95;min-width:0;padding-top:24px;overflow-wrap:anywhere}.prose p{margin:16px 0}.prose h2,.prose h3,.prose h4{line-height:1.55;scroll-margin-top:30px;margin:32px 0 16px;position:relative}.prose h2{font-size:25px}.prose h3{font-size:21px}.prose h4{font-size:17px}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.prose .headerlink{position:absolute;left:-20px;text-decoration:none}.headerlink:before{content:'#';opacity:0}.prose :is(h2,h3,h4):hover .headerlink:before{opacity:.6}.prose ul,.prose ol{padding-left:24px}.prose li{margin:8px 0}.prose blockquote{border-left:3px solid var(--accent);margin:20px 0;padding:1px 20px;color:var(--muted);background:var(--panel)}.prose img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:5px}.prose>table,.table-scroll{display:block;max-width:100%;overflow-x:auto}.prose table{border-collapse:collapse;font-size:13px;margin:22px 0}.prose th,.prose td{padding:10px 14px;border:1px solid var(--line);text-align:left;min-width:80px}.prose th{background:var(--panel)}.prose :not(pre)>code{font:13px ui-monospace,Consolas,monospace;background:var(--panel);padding:2px 5px;border-radius:3px}.prose .historical-note{font-size:12px;color:var(--muted);padding:12px 16px;border-left:2px solid var(--accent);background:var(--panel);margin-bottom:28px}.code-block{border-radius:6px;overflow:hidden;background:var(--code);color:var(--code-text);margin:20px 0}.code-toolbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff18;padding:8px 16px;font:10px/1.5 ui-monospace,Consolas,monospace;letter-spacing:1px;color:#b3c1a8}.copy-code{background:transparent;color:#cbd8c1;border:1px solid #ffffff25;border-radius:4px;padding:4px 9px;font:11px/1.5 sans-serif;letter-spacing:0}.copy-code:hover{background:#ffffff12}.code-block pre{margin:0;padding:18px;overflow:auto;tab-size:4;font:12px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;overflow-wrap:normal}.code-block .string,.code-block .number{color:#c6dba1}.code-block .comment{color:#93a393}.code-block .keyword,.code-block .title{color:#9ec2d0}.toc{padding-top:36px;align-self:start;position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto}.toc nav{margin-top:15px;border-left:1px solid var(--line);display:flex;flex-direction:column}.toc nav a{font-size:11px;line-height:1.8;padding:5px 14px;color:var(--muted);border-left:2px solid transparent;margin-left:-1px}.toc nav a:hover,.toc nav a[aria-current]{color:var(--accent);border-color:var(--accent)}.toc nav .toc-level-4{padding-left:24px}.toc-top{font-size:11px;display:block;margin:25px 0 0 15px;color:var(--muted)}.article-end{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:30px;margin-top:45px;font-size:12px}.article-end span{font:10px/2 monospace;color:var(--muted);letter-spacing:1.5px}.prose .article-end a,.prose .next-post{text-decoration:none}.next-post{display:block;position:relative;padding:24px;border:1px solid var(--line);border-radius:6px;margin-top:30px;background:var(--paper)}.next-post strong{display:block;margin-top:10px;font-size:18px;font-weight:500}.next-post svg{position:absolute;right:20px;top:50%}.about-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:80px;padding-bottom:90px}.about-card{align-self:start;background:var(--panel);padding:35px;border:1px solid var(--line);border-radius:8px;text-align:center}.about-pig{display:block;width:75px;margin:5px auto 20px;color:var(--accent)}.about-card h2{font-size:21px}.about-card p{font-size:12px;color:var(--muted)}.about-stats{display:flex;justify-content:space-around;border-top:1px solid var(--line);margin-top:25px;padding-top:25px}.about-stats strong{font:24px monospace;color:var(--accent)}.about-stats small{display:block;font:11px/1.8 sans-serif;margin-top:7px;color:var(--muted)}.search-form label{display:block;font-size:12px;color:var(--muted);margin-bottom:9px}.search-field{border:1px solid var(--line);border-radius:6px;background:var(--paper);padding:10px 12px;display:flex;gap:12px;align-items:center}.search-field:focus-within{border-color:var(--accent)}.search-field input{flex:1;min-width:0;border:0;background:transparent;color:var(--text);padding:8px;outline:none}.search-field button{border:0;background:var(--accent);color:var(--bg);padding:8px 20px;border-radius:4px;font-size:13px}.search-field svg{color:var(--muted)}#search-status{font-size:13px;color:var(--muted);margin:24px 0}#search-results{margin-bottom:80px;min-height:160px}.not-found{min-height:65vh}.not-found .text-link{margin-left:25px}
@media(min-width:1500px){.hero{padding-top:92px;padding-bottom:80px}}
@media(max-width:900px){.header-inner{gap:24px}.hero-mark{right:0;gap:12px;font-size:100px}.hero-mark div{font-size:18px}.hero h1{font-size:40px}.article-layout{gap:30px;grid-template-columns:minmax(0,1fr) 165px}.about-layout{gap:35px;grid-template-columns:minmax(0,1fr) 260px}.featured-copy{padding:28px}.featured h2{font-size:24px}}
@media(max-width:680px){.shell{padding-left:22px;padding-right:22px}.header-inner{padding:18px 22px;gap:15px;flex-wrap:wrap}.brand{font-size:17px}.brand-sub{font-size:8px}.brand-icon{width:30px;height:30px}.header-actions{margin-left:auto;gap:12px}.search-link span,.search-link kbd{display:none}.site-header nav{order:3;width:100%;margin:8px 0 0;gap:28px}.site-header nav a[aria-current]:after{bottom:-18px}.hero{padding:46px 0 38px}.hero h1{font-size:35px;letter-spacing:-1.2px}.hero-mark{display:none}.hero p{font-size:13px}.eyebrow{font-size:9px;letter-spacing:1.3px}.featured{grid-template-columns:1fr}.featured-copy{padding:25px}.featured-art{border-left:0;border-top:1px solid var(--line);padding:18px 24px}.storage-diagram{max-width:280px}.featured h2{font-size:25px}.post-grid{grid-template-columns:1fr;gap:14px}.post-card{padding:23px}.notes{padding-top:36px}.section-heading h2{font-size:22px}.filters{gap:22px}.closing{margin-top:36px;padding:30px 0;display:block}.closing p{font-size:16px}.closing>a{margin-top:20px}.site-footer{flex-direction:column;gap:16px;font-size:10px}.site-footer>div{gap:14px}.page-intro{padding:45px 0 30px}.page-intro h1{font-size:34px}.page-intro p{font-size:13px}.archive-row{gap:14px;padding:19px 0}.archive-row>a{font-size:14px}.archive-row>span{display:none}.archive-row time{font-size:10px}.archive-section{padding-bottom:60px}.article-layout{display:flex;flex-direction:column;gap:0}.toc{order:-1;position:static;max-height:none;padding:20px 0;border-bottom:1px solid var(--line)}.toc nav{max-height:180px;overflow:auto}.toc-top{display:none}.article-head{padding-top:25px}.article-head h1{font-size:28px}.article-head>p{font-size:13px}.prose{font-size:14px}.prose h2{font-size:22px}.prose h3{font-size:19px}.code-block pre{font-size:11px;padding:14px}.article-end{font-size:11px;flex-wrap:wrap}.about-layout{grid-template-columns:1fr;gap:25px;padding-bottom:50px}.about-card{order:-1;padding:25px}.about-pig{width:55px}.about-stats{padding-top:18px;margin-top:18px}.search-field{gap:6px}.search-field input{font-size:13px;padding:5px}.search-field button{padding:8px 12px}.not-found .text-link{display:flex;margin:20px 0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}