:root{--bg: #ffffff;--bg-subtle: #f7f7f5;--text: #1a1a18;--text-muted: #6b6b66;--border: #e4e3df;--accent: #1d6f5c;--accent-soft: #eaf3ef;--radius: 10px;--measure: 42rem;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-serif: Georgia, "Songti SC", "SimSun", serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace}@media(prefers-color-scheme:dark){:root{--bg: #16161a;--bg-subtle: #1e1e23;--text: #e8e8e4;--text-muted: #9a9a94;--border: #2e2e34;--accent: #5dcaa5;--accent-soft: #1c2b26}}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}.shell{display:flex;flex-direction:column;min-height:100vh}.wrap{width:100%;max-width:var(--measure);margin:0 auto;padding:0 1.25rem}main{flex:1;padding:3rem 0 4rem}.site-header{border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:10}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:3.75rem}.brand{font-family:var(--font-serif);font-size:1.125rem;font-weight:600;color:var(--text);text-decoration:none;letter-spacing:-.01em}.site-nav{display:flex;gap:1.5rem}.site-nav a{color:var(--text-muted);text-decoration:none;font-size:.875rem;transition:color .15s}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent)}.site-footer{border-top:1px solid var(--border);padding:1.75rem 0;color:var(--text-muted);font-size:.8125rem}.site-footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.site-footer a{color:var(--text-muted);text-decoration:none}.site-footer a:hover{color:var(--accent)}.hero{padding-bottom:2.5rem;border-bottom:1px solid var(--border);margin-bottom:2.5rem}.hero h1{font-family:var(--font-serif);font-size:2rem;line-height:1.3;margin:0 0 .75rem;letter-spacing:-.02em}.hero p{margin:0;color:var(--text-muted);font-size:1rem}.post-list{list-style:none;margin:0;padding:0}.post-item{padding:1.875rem 0;border-bottom:1px solid var(--border)}.post-item:first-child{padding-top:0}.post-item:last-child{border-bottom:none}.post-item time{display:block;font-size:.75rem;color:var(--text-muted);letter-spacing:.04em;margin-bottom:.375rem}.post-item h2{font-size:1.125rem;font-weight:600;margin:0 0 .375rem;line-height:1.45}.post-item h2 a{color:var(--text);text-decoration:none}.post-item h2 a:hover{color:var(--accent)}.post-item p{margin:0;color:var(--text-muted);font-size:.9375rem;line-height:1.6}.tag-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.625rem}.tag{display:inline-block;padding:.125rem .5rem;background:var(--accent-soft);color:var(--accent);border-radius:4px;font-size:.75rem;text-decoration:none;line-height:1.6}.tag:hover{background:var(--accent);color:var(--bg)}.post-header{margin-bottom:2.5rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border)}.post-header h1{font-family:var(--font-serif);font-size:1.875rem;line-height:1.35;margin:0 0 .75rem;letter-spacing:-.02em}.post-meta{display:flex;gap:1rem;color:var(--text-muted);font-size:.8125rem}.prose{font-size:1rem;line-height:1.85}.prose h2{font-family:var(--font-serif);font-size:1.375rem;margin:2.5rem 0 .875rem;line-height:1.4}.prose h3{font-size:1.0625rem;margin:2rem 0 .625rem}.prose p{margin:0 0 1.25rem}.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:.15em}.prose ul,.prose ol{margin:0 0 1.25rem;padding-left:1.375rem}.prose li{margin-bottom:.375rem}.prose blockquote{margin:1.5rem 0;padding:.25rem 0 .25rem 1.125rem;border-left:3px solid var(--accent);color:var(--text-muted)}.prose blockquote p:last-child{margin-bottom:0}.prose code{font-family:var(--font-mono);font-size:.875em;background:var(--bg-subtle);padding:.125rem .3125rem;border-radius:4px}.prose pre{margin:0 0 1.5rem;padding:1rem 1.125rem;border-radius:var(--radius);overflow-x:auto;font-size:.875rem;line-height:1.65;border:1px solid var(--border)}.prose pre code{background:none;padding:0;font-size:inherit}.prose img{max-width:100%;height:auto;border-radius:var(--radius);margin:1.5rem 0}.prose table{width:100%;border-collapse:collapse;margin:0 0 1.5rem;font-size:.9375rem}.prose th,.prose td{border:1px solid var(--border);padding:.5rem .75rem;text-align:left}.prose th{background:var(--bg-subtle);font-weight:600}.prose hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}.post-footer{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;font-size:.875rem}.post-footer a{color:var(--accent);text-decoration:none}.empty{color:var(--text-muted);font-size:.9375rem;padding:2rem 0}@media(max-width:640px){main{padding:2rem 0 3rem}.hero h1{font-size:1.625rem}.post-header h1{font-size:1.5rem}.site-nav{gap:1rem}.site-header .wrap{height:3.25rem}}