*{box-sizing:border-box;margin:0;padding:0}
:root{
--bg:#f7f6f2;--surface:#ffffff;--fg:#1c1a17;--muted:#6f6a61;--line:#e9e5dc;
--accent:#0d9488;--accent-soft:rgba(13,148,136,.09);--accent-ink:#0b7c72;
--inline-code:#f0ede6;--shadow:0 1px 3px rgba(60,50,30,.07);
--shadow-hover:0 10px 28px rgba(60,50,30,.10);
}
@media(prefers-color-scheme:dark){
:root{
--bg:#0e1116;--surface:#151b23;--fg:#e8eaed;--muted:#9aa1ad;--line:#242c37;
--accent:#2dd4bf;--accent-soft:rgba(45,212,191,.12);--accent-ink:#5eead4;
--inline-code:#232c38;--shadow:0 1px 3px rgba(0,0,0,.35);
--shadow-hover:0 10px 28px rgba(0,0,0,.45);
}}
html{scroll-behavior:smooth}
::selection{background:var(--accent);color:#fff}
body{background:var(--bg);color:var(--fg);
font:17px/1.9 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
-webkit-font-smoothing:antialiased}
.wrap{max-width:880px;margin:0 auto;padding:0 22px}
.site-header{padding:46px 0 6px}
.brand h1{font-size:34px;font-weight:800;letter-spacing:1px}
.brand h1 a{color:var(--fg);text-decoration:none}
.brand h1 a .dot{color:var(--accent)}
.tagline{color:var(--muted);font-size:15px;margin-top:10px;letter-spacing:2px}
.nav{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.nav a{padding:7px 18px;border:1px solid var(--line);border-radius:999px;font-size:14px;
color:var(--fg);background:var(--surface);text-decoration:none;box-shadow:var(--shadow);
transition:border-color .15s,color .15s}
.nav a:hover{border-color:var(--accent);color:var(--accent-ink)}
main{padding:10px 0 20px}
.hero{padding:34px 0 6px}
.hero h2{font-size:23px;font-weight:700}
.hero h2 .n{color:var(--accent)}
.hero p{color:var(--muted);font-size:14.5px;margin-top:6px}
.topics{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 8px}
.topics span{font-size:13px;padding:5px 14px;border-radius:999px;background:var(--accent-soft);
color:var(--accent-ink);font-weight:600}
.cards{padding:14px 0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;
padding:26px 28px;margin:0 0 18px;box-shadow:var(--shadow);
transition:transform .16s ease,box-shadow .16s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.card .date{font-size:13px;color:var(--muted);letter-spacing:.5px}
.card h3{font-size:21px;margin:10px 0 4px;line-height:1.5}
.card h3 a{color:var(--fg);text-decoration:none}
.card h3 a:hover{color:var(--accent-ink)}
.card .desc{color:var(--muted);font-size:15px;margin-top:8px}
.card .foot{display:flex;justify-content:space-between;align-items:center;margin-top:16px;flex-wrap:wrap;gap:10px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12.5px;padding:3px 12px;border-radius:999px;background:var(--accent-soft);
color:var(--accent-ink);font-weight:600}
.readmore{font-size:14px;color:var(--accent-ink);text-decoration:none;font-weight:600;white-space:nowrap}
.readmore:hover{text-decoration:underline}
.crumb{font-size:14px;margin:26px 0 6px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent-ink)}
.post-head{padding:10px 0 6px}
.post-head h1{font-size:31px;line-height:1.45;font-weight:800;margin-bottom:14px}
.post-head .meta{display:flex;gap:14px;align-items:center;color:var(--muted);
font-size:14px;flex-wrap:wrap;margin-bottom:10px}
.prose{font-size:17px}
.prose p{margin:16px 0}
.prose h2{font-size:22px;margin:38px 0 14px;padding-left:14px;line-height:1.5;
border-left:4px solid var(--accent);font-weight:700}
.prose h3{font-size:18.5px;margin:30px 0 12px;font-weight:700}
.prose a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{margin:14px 0 14px 26px}
.prose li{margin:7px 0}
.prose blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);
padding:12px 18px;border-radius:0 10px 10px 0;margin:18px 0;color:var(--fg)}
.prose hr{border:none;border-top:1px solid var(--line);margin:34px 0}
.prose img{max-width:100%;border-radius:10px}
pre{background:#10151d;color:#dbe4f0;padding:18px 20px;border-radius:12px;
overflow-x:auto;margin:18px 0;font-size:13.5px;line-height:1.7;
border:1px solid rgba(255,255,255,.06)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
p code,li code,td code{background:var(--inline-code);padding:2px 7px;border-radius:6px;font-size:14px}
table{border-collapse:separate;border-spacing:0;width:100%;margin:18px 0;font-size:14.5px;
border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--accent-soft);font-weight:700}
tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:rgba(127,127,127,.05)}
.post-hero{margin:20px 0 4px}
.post-hero img{width:100%;border-radius:14px;display:block;box-shadow:var(--shadow)}
.card.with-thumb{display:flex;gap:22px;align-items:center}
.card .thumb{flex:0 0 168px}
.card .thumb img{width:168px;height:112px;object-fit:cover;border-radius:10px;display:block}
.pager{display:flex;gap:14px;margin:44px 0 8px}
.pager a{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:14px;
padding:16px 20px;text-decoration:none;color:var(--fg);font-size:15px;box-shadow:var(--shadow);
transition:border-color .15s}
.pager a:hover{border-color:var(--accent)}
.pager .next{text-align:right}
.pager small{display:block;color:var(--muted);font-size:12.5px;margin-bottom:6px}
.pager .none{visibility:hidden}
footer{border-top:1px solid var(--line);margin-top:34px;padding:26px 0 54px;color:var(--muted);font-size:13.5px}
footer .frow{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer a{color:var(--muted);text-decoration:none;margin-left:16px}
footer a:hover{color:var(--accent-ink)}
@media(max-width:640px){
.brand h1{font-size:28px}
.post-head h1{font-size:25px}
.card{padding:22px 20px}
.pager{flex-direction:column}
.pager .none{display:none}
.card.with-thumb{flex-direction:column;align-items:stretch}
.card .thumb{flex:none}
.card .thumb img{width:100%;height:auto}
}