@charset "UTF-8";
:root{color-scheme:light dark;--bg:#f8f7f2;--paper:#fffefb;--ink:#263d35;--muted:#74796d;--line:#e2e3d9;--accent:#28614e;--soft:#eaf0e5;--serif:Georgia,"Noto Serif SC","Songti SC",SimSun,serif;--sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.8 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible{outline:2px solid var(--accent);outline-offset:6px}::selection{background:#d5e4ce}.wrap{width:min(100% - 48px,1040px);margin-inline:auto}.skip{position:absolute;top:-80px;background:var(--paper);padding:10px}.skip:focus{top:0}.header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;font-weight:650;letter-spacing:1px}.brand img{width:31px;height:31px}.nav{display:flex;gap:27px;font-size:14px;color:var(--muted)}.nav a[aria-current=page]{color:var(--ink)}.hero{display:grid;grid-template-columns:1fr 260px;gap:50px;align-items:center;padding:82px 0 70px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--accent);font-weight:600}.hero h1{font:500 clamp(37px,5vw,58px)/1.35 var(--serif);letter-spacing:2px;margin:17px 0 20px}.hero p{color:var(--muted);max-width:480px;margin:0}.hero-art{width:240px;height:220px;color:var(--accent)}.section-title{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px}.section-title h2{font-weight:500;font-size:18px;margin:0}.section-title span{font:12px var(--sans);letter-spacing:2px;color:var(--muted)}.post-card{display:grid;grid-template-columns:125px 1fr 32px;gap:30px;padding:36px 0;border-bottom:1px solid var(--line)}.post-date{font-size:13px;color:var(--muted);padding-top:6px}.tag{display:inline-block;color:var(--accent);font-size:11px;letter-spacing:1px;background:var(--soft);padding:2px 9px;border-radius:4px}.post-card h3{font:500 24px/1.5 var(--serif);margin:10px 0}.post-card p{color:var(--muted);font-size:14px;margin:0}.arrow{align-self:center;color:var(--accent);font-size:22px}.note{margin:48px 0 70px;border-left:2px solid var(--accent);padding:5px 0 5px 23px;color:var(--muted);font:16px/1.9 var(--serif)}.footer{border-top:1px solid var(--line);padding:26px 0 32px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.footer a{margin-left:20px}.page-head{padding:65px 0 36px}.page-head h1{font:500 38px/1.4 var(--serif);margin:8px 0 15px}.page-head p{color:var(--muted)}.archive{margin-bottom:90px}.archive-year{font:500 25px var(--serif);margin-top:32px}.archive-row{display:flex;gap:30px;align-items:baseline;border-bottom:1px solid var(--line);padding:20px 0}.archive-row time{color:var(--muted);font-size:13px;flex-shrink:0}.article{max-width:720px;margin:0 auto 80px}.article .page-head{border-bottom:1px solid var(--line);margin-bottom:32px}.meta{display:flex;align-items:center;gap:15px;color:var(--muted);font-size:13px}.prose{font-size:16px;line-height:2}.prose h2{font:500 25px/1.5 var(--serif);margin-top:38px}.prose p{margin:22px 0}.prose a{text-decoration:underline;text-underline-offset:4px}.prose blockquote{margin:30px 0;padding:8px 22px;border-left:3px solid var(--accent);background:var(--soft)}.prose pre{padding:20px;overflow:auto;border:1px solid var(--line);border-radius:8px}.prose code{font-size:.9em}.back{display:inline-block;font-size:14px;color:var(--muted);margin-top:36px}.about{max-width:720px;min-height:58vh;margin:0 auto 70px}.not-found{min-height:60vh;text-align:center;padding:90px 0}.not-found h1{font:60px var(--serif);margin:0}.not-found p{color:var(--muted)}
@media(max-width:650px){.wrap{width:calc(100% - 36px)}.header{padding:23px 0}.brand{font-size:15px}.nav{gap:18px;font-size:13px}.hero{grid-template-columns:1fr;padding:52px 0 43px;gap:25px}.hero-art{display:none}.hero h1{font-size:39px}.post-card{grid-template-columns:1fr 22px;gap:12px;padding:26px 0}.post-date{grid-column:1/-1;padding:0}.post-card h3{font-size:22px}.footer{flex-wrap:wrap}.footer a{margin-left:0;margin-right:20px}.archive-row{gap:18px}.page-head{padding-top:42px}.page-head h1{font-size:31px}.note{margin-bottom:48px}}
@media(prefers-color-scheme:dark){:root{--bg:#17211e;--paper:#1c2823;--ink:#e2e7dc;--muted:#a1ab9e;--line:#344039;--accent:#a9cfaf;--soft:#26382c}::selection{background:#3b6147}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.category-nav{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 28px}.category-nav a{font-size:13px;border:1px solid var(--line);border-radius:30px;padding:6px 16px;background:var(--paper)}.category-nav a:hover{border-color:var(--accent)}.category-nav span{color:var(--muted);margin-left:6px}.post-card{grid-template-columns:125px minmax(0,1fr) 190px;align-items:center}.post-date{align-self:start}.reading-time{display:block;font-size:11px;margin-top:8px}.post-thumb{display:block;overflow:hidden;border:1px solid var(--line);border-radius:10px;aspect-ratio:16/9}.post-thumb img{width:100%;height:100%;object-fit:cover;display:block}.post-thumb-empty{display:grid;align-content:center;text-align:center;background:var(--soft);font-size:12px;letter-spacing:4px;color:var(--accent)}.article-cover{margin:0 0 32px}.article-cover img,.prose img{width:100%;height:auto;border-radius:12px;display:block}.article-cover figcaption,.prose figcaption{font-size:12px;color:var(--muted);text-align:center;line-height:1.8;margin-top:10px}.prose figure{margin:30px 0}.prose pre{background:var(--paper);font-size:13px;line-height:1.75;tab-size:4}.prose :not(pre)>code{background:var(--soft);padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}.prose table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto;margin:24px 0}.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;min-width:100px}.prose th{background:var(--soft)}.prose h3{font-size:18px;font-weight:550;margin-top:28px}.prose ul,.prose ol{padding-left:24px}.example-note{font-size:13px;color:var(--muted);border-left:3px solid var(--accent);padding:10px 16px;background:var(--soft)}.video-panel{margin:28px 0;padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--paper)}.video-panel summary{cursor:pointer;font-size:15px;color:var(--accent)}.video-frame{aspect-ratio:16/9;margin-top:15px}.video-frame iframe{width:100%;height:100%;border:0;border-radius:8px}.video-panel p{font-size:12px;color:var(--muted);margin:12px 0 0}.related{border-top:1px solid var(--line);padding-top:20px;margin-top:45px}.related h2{font-size:17px;font-weight:500}.related ul{padding-left:20px;font-size:14px;line-height:2}.topic-page{padding-bottom:70px}
@media(max-width:750px){.post-card{grid-template-columns:100px minmax(0,1fr) 140px;gap:18px}.post-date{grid-column:auto}}@media(max-width:550px){.post-card{grid-template-columns:minmax(0,1fr) 105px;gap:12px}.post-date{grid-column:1/-1;display:flex;gap:15px;align-items:center}.reading-time{margin:0}.post-card h3{font-size:19px}.post-card p{font-size:13px}.category-nav a{padding:5px 12px}.meta{flex-wrap:wrap;gap:10px}.video-panel{padding:12px}.post-thumb-empty{font-size:10px}}