:root{color-scheme:light;--paper:#faf9f5;--ink:#303b34;--muted:#74796f;--line:#e2e4db;--accent:#577359;--soft:#eef0e8;font-synthesis:none;text-rendering:optimizelegibility;font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:2px}::selection{background:#dce7d5}.site-shell{width:min(760px,100% - 64px);margin:auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:34px 0 25px;display:flex}.site-title{letter-spacing:.04em;align-items:center;gap:9px;font-size:20px;font-weight:600;display:flex}.title-dot{color:var(--accent);margin-left:-4px}.site-header nav{gap:26px;font-size:14px;display:flex}.site-header nav a{color:var(--muted);padding:4px 0}.site-header nav a[aria-current=page]{color:var(--ink);box-shadow:0 1px var(--accent)}main{outline:none;min-height:calc(100svh - 220px)}.page-intro{padding:61px 0 44px}.eyebrow{letter-spacing:.12em;color:var(--muted);margin:0 0 15px;font-size:12px}h1{letter-spacing:.03em;margin:0 0 15px;font-family:Songti SC,Noto Serif CJK SC,STSong,serif;font-size:36px;font-weight:600;line-height:1.4}.intro-description{color:var(--muted);margin:0;font-size:15px}.section-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:14px 0;display:flex}.section-heading h2{margin:0;font-size:14px;font-weight:500}.section-heading span{color:var(--muted);font-size:12px}.empty-state{text-align:center;padding:44px 0 50px}.empty-mark{color:#a4aea0;margin-bottom:16px;font-family:serif;font-size:30px;display:block}.empty-state p{margin:6px 0;font-size:15px}.empty-state .muted{color:var(--muted);font-size:13px}.example-link{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:12px;padding:21px 0;font-size:13px;display:flex}.example-link a,.text-link{color:var(--accent)}.example-link a:hover,.text-link:hover{text-underline-offset:4px;text-decoration:underline}.site-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;gap:16px;padding:24px 0 35px;font-size:12px;display:flex}.note-list,.archive-list{margin:0;padding:0;list-style:none}.note-list li{border-bottom:1px solid var(--line);grid-template-columns:130px 1fr 16px;gap:12px;padding:25px 0;display:grid}.note-list time,.archive-list time{color:var(--muted);padding-top:3px;font-size:12px}.note-list h3{margin:0 0 7px;font-size:18px;font-weight:500;line-height:1.5}.note-list p{color:var(--muted);margin:0;font-size:14px}.row-arrow{color:var(--muted)}.archive-year{margin:0 0 40px}.archive-year h2{border-bottom:1px solid var(--line);margin:0 0 10px;padding-bottom:10px;font-family:serif;font-size:24px;font-weight:400}.archive-list li{border-bottom:1px solid var(--line);grid-template-columns:145px 1fr;gap:20px;padding:13px 0;display:grid}.article-header{padding:42px 0 24px}.back-link{color:var(--muted);margin-bottom:40px;font-size:13px;display:inline-block}.article-header h1{overflow-wrap:anywhere;font-size:34px}.example-notice{color:var(--muted);background:var(--soft);border-left:2px solid #a9b5a2;margin-bottom:28px;padding:12px 16px;font-size:13px}.prose{overflow-wrap:anywhere;font-size:17px;line-height:1.95}.prose p{margin:0 0 24px}.prose h2{margin:40px 0 18px;font-size:23px;font-weight:500;line-height:1.5}.prose h3{margin:30px 0 15px;font-size:20px}.prose a{color:var(--accent);text-underline-offset:4px;text-decoration:underline}.prose blockquote{color:var(--muted);border-left:2px solid #b1bda9;margin:26px 0;padding:0 20px}.prose blockquote p:last-child{margin-bottom:0}.prose img{border-radius:3px;max-width:100%;height:auto;margin:28px auto;display:block}.prose pre{background:var(--soft);border-radius:4px;max-width:100%;padding:16px;font-size:14px;overflow:auto}.prose code{font-size:.9em}.prose table{border-collapse:collapse;max-width:100%;font-size:15px;display:block;overflow:auto}.prose th,.prose td{border:1px solid var(--line);padding:8px 12px}.article-end{color:var(--muted);flex-direction:column;align-items:center;gap:28px;margin-top:45px;padding:15px 0 40px;font-size:13px;display:flex}.skip-link{background:var(--ink);color:#fff;z-index:10;padding:8px 14px;position:fixed;top:-80px;left:16px}.skip-link:focus{top:12px}@media (width<=600px){.site-shell{width:calc(100% - 40px)}.site-header{padding:25px 0 20px}.site-title{font-size:18px}.site-header nav{gap:22px}.page-intro{padding:43px 0 30px}h1{font-size:30px}.empty-state{padding:35px 0 40px}.example-link{flex-direction:column;align-items:flex-start;gap:6px}.article-header{padding-top:27px}.back-link{margin-bottom:29px}.article-header h1{font-size:28px}.prose{font-size:16px;line-height:1.95}.note-list li{grid-template-columns:1fr 16px;gap:6px}.note-list time{grid-column:1/-1}.archive-list li{grid-template-columns:1fr;gap:3px}.site-footer{padding-bottom:28px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}