:root{color-scheme:light dark;--bg:#fbfaf7;--surface:#f4f1eb;--text:#26231f;--muted:#6f675e;--line:#ded8cf;--accent:#6d4f32;--accent-soft:#ede2d6;--code-bg:#24211d;--code-text:#f5efe8;--max:720px;font-family:ui-serif,Songti SC,Noto Serif CJK SC,Source Han Serif SC,STSong,Georgia,serif}:root[data-theme=dark]{--bg:#171716;--surface:#22211f;--text:#eee9df;--muted:#aaa194;--line:#383530;--accent:#d8b58a;--accent-soft:#2d2924;--code-bg:#0f1117;--code-text:#f3f0ea}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);scroll-behavior:smooth}body{letter-spacing:0;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;min-height:100vh;margin:0;font-size:17px;line-height:1.9}a{color:var(--accent);text-underline-offset:.22em}a:hover{text-decoration-thickness:.12em}img{max-width:100%;height:auto;display:block}.site-shell{width:min(var(--max), calc(100% - 40px));margin-inline:auto}.skip-link{z-index:10;background:var(--text);color:var(--bg);padding:8px 12px;position:absolute;top:-80px;left:16px}.skip-link:focus{top:16px}.site-header{padding:28px 0 18px}.nav{justify-content:space-between;align-items:center;gap:18px;display:flex}.brand{color:var(--text);font-weight:700;text-decoration:none}.nav-links{align-items:center;gap:18px;font-size:15px;display:flex}.nav-links a{color:var(--muted);text-decoration:none}.nav-links a[aria-current=page],.nav-links a:hover{color:var(--text)}.theme-toggle{border:1px solid var(--line);width:34px;height:34px;color:var(--text);cursor:pointer;background:0 0;border-radius:999px}.theme-toggle:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}main{padding:56px 0 78px}.intro{padding:28px 0 52px}.intro h1,.page-title{margin:0 0 14px;font-size:clamp(2rem,7vw,4rem);font-weight:700;line-height:1.15}.intro p,.page-description{color:var(--muted);margin:0;font-size:18px}.section-title{margin:0 0 24px;font-size:20px}.post-list{gap:30px;margin:0;padding:0;list-style:none;display:grid}.post-item{border-bottom:1px solid var(--line);padding-bottom:28px}.post-item h2{margin:0 0 6px;font-size:24px;line-height:1.35}.post-item h2 a{color:var(--text);text-decoration:none}.post-meta{color:var(--muted);flex-wrap:wrap;gap:8px 12px;margin:0 0 10px;font-size:14px;display:flex}.post-description{color:var(--muted);margin:0 0 12px}.tags{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.tag{border:1px solid var(--line);min-height:28px;color:var(--muted);border-radius:999px;align-items:center;padding:0 10px;font-size:13px;text-decoration:none;display:inline-flex}.tag:hover{color:var(--text);border-color:var(--accent)}.article-header{margin-bottom:42px}.article-header h1{margin:0 0 16px;font-size:clamp(2rem,7vw,3.5rem);line-height:1.2}.toc{border-left:3px solid var(--line);background:var(--surface);margin:0 0 42px;padding:18px 20px}.toc h2{margin:0 0 8px;font-size:16px}.toc ol{margin:0;padding-left:20px;font-size:15px;line-height:1.7}.content{overflow-wrap:break-word}.content h2,.content h3,.content h4{margin:2.1em 0 .7em;line-height:1.45;position:relative}.content h2{font-size:1.55rem}.content h3{font-size:1.25rem}.content p,.content ul,.content ol,.content blockquote,.content figure{margin:0 0 1.35em}.content blockquote{border-left:3px solid var(--line);color:var(--muted);padding-left:18px}.content code{background:var(--accent-soft);border-radius:4px;padding:.15em .35em;font-size:.9em}.content pre{color:var(--code-text);border-radius:8px;padding:18px;line-height:1.6;overflow-x:auto;background:var(--code-bg)!important}.content pre code{background:0 0;padding:0}.content figure{margin-inline:0}.content figcaption{color:var(--muted);text-align:center;margin-top:8px;font-size:14px}.heading-anchor{color:var(--muted);opacity:0;margin-left:.35em;font-size:.8em;text-decoration:none}.content :is(h2,h3,h4):hover .heading-anchor,.heading-anchor:focus{opacity:1}.article-nav{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;gap:16px;margin-top:56px;padding-top:28px;display:grid}.article-nav a{color:var(--text);text-decoration:none}.article-nav span{color:var(--muted);font-size:13px;display:block}.article-nav .next{text-align:right}.archive{gap:30px;display:grid}.archive h2{margin:0 0 10px;font-size:18px}.archive ul{margin:0;padding-left:0;list-style:none}.archive li{border-bottom:1px solid var(--line);justify-content:space-between;gap:16px;padding:7px 0;display:flex}.site-footer{border-top:1px solid var(--line);color:var(--muted);padding:28px 0 40px;font-size:14px}@media (width<=640px){body{font-size:16px}.site-shell{width:min(100% - 28px, var(--max))}.nav{align-items:flex-start}.nav-links{flex-wrap:wrap;justify-content:flex-end;gap:10px 14px}main{padding-top:34px}.article-nav{grid-template-columns:1fr}.article-nav .next{text-align:left}.archive li{display:block}}