:root{--ink:#0e1b2c;--muted:#5c6b7d;--brand:#0f62fe;--line:#e3e9f1;--bg:#f6f8fb;--card:#fff;--code-bg:#eef2f7;--brand-tint:#0f62fe14;--shadow-sm:0 1px 2px #0e1b2c0d;--shadow-md:0 10px 24px #0e1b2c12}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--ink);background:var(--bg);margin:0;font-family:-apple-system,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif;font-size:16.5px;line-height:1.85}::selection{background:#0f62fe29}.wrap{max-width:760px;margin:0 auto;padding:0 20px}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.site-head{backdrop-filter:saturate(1.2)blur(8px);border-bottom:1px solid var(--line);z-index:10;background:#ffffffeb;position:sticky;top:0}.bar{justify-content:space-between;align-items:center;height:60px;display:flex}.brand{color:var(--ink);align-items:center;gap:9px;font-size:17px;font-weight:700;display:flex}.brand:hover{text-decoration:none}.brand i{color:var(--brand);margin-left:2px;font-style:normal}.site-head nav{gap:20px;font-size:14.5px;display:flex}.site-head nav a{color:var(--muted)}.site-head nav a:hover{color:var(--brand);text-decoration:none}main{padding:44px 20px 24px}.hero{margin-bottom:34px}.hero h1{letter-spacing:.5px;margin:0 0 10px;font-size:30px;line-height:1.3}.hero p{color:var(--muted);margin:0;font-size:15.5px}.accent{background:linear-gradient(120deg,#0f62fe,#063a9c);border-radius:2px;width:64px;height:4px;margin-top:18px;display:block}h1.page-title{margin:0 0 8px;font-size:26px}.page-sub{color:var(--muted);margin:0 0 24px;font-size:14.5px}.cards{gap:14px;display:grid}.post-card{background:var(--card);border:1px solid var(--line);color:inherit;box-shadow:var(--shadow-sm);border-radius:14px;padding:20px 22px;transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;display:block}.post-card:hover{box-shadow:var(--shadow-md);border-color:#0f62fe59;text-decoration:none;transform:translateY(-2px)}.post-card .meta{color:var(--muted);font-variant-numeric:tabular-nums;align-items:center;gap:8px;margin-bottom:7px;font-size:13px;display:flex}.post-card .meta .dot{opacity:.6;background:currentColor;border-radius:50%;width:3px;height:3px}.post-card h2,.post-card h3{color:var(--ink);margin:0 0 7px;font-size:19px;font-weight:600;line-height:1.45;transition:color .18s ease-out}.post-card:hover h2,.post-card:hover h3{color:var(--brand)}.post-card p{color:var(--muted);margin:0;font-size:14.5px;line-height:1.7}.post-card .chips{flex-wrap:wrap;gap:6px;margin-top:12px;display:flex}.post-card .chips span{color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:1px 9px;font-size:12px}.more-card{text-align:center;border:1px dashed var(--line);color:var(--muted);border-radius:14px;padding:15px 20px;font-size:14.5px;transition:color .18s ease-out,border-color .18s ease-out;display:block}.more-card:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}.pager{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:34px;display:flex}.pager a,.pager span{font-variant-numeric:tabular-nums;min-width:38px;height:38px;color:var(--muted);border-radius:10px;justify-content:center;align-items:center;padding:0 12px;font-size:14.5px;display:inline-flex}.pager a{border:1px solid var(--line);background:var(--card);transition:border-color .18s ease-out,color .18s ease-out}.pager a:hover{color:var(--brand);border-color:var(--brand);text-decoration:none}.pager a:visited{color:var(--muted)}.pager .current{border:1px solid var(--brand);background:var(--card);color:var(--brand);font-weight:600}.pager .gap{border:0;padding:0 2px}.pager .off{visibility:hidden}article header{margin-bottom:30px}.post-meta{color:var(--muted);font-variant-numeric:tabular-nums;align-items:center;gap:8px;font-size:13.5px;display:flex}.post-meta .dot{opacity:.6;background:currentColor;border-radius:50%;width:3px;height:3px}article h1{margin:8px 0 14px;font-size:28px;line-height:1.35}.lede{color:var(--muted);border-left:3px solid var(--brand);margin:0;padding-left:12px;font-size:16px}article h2{border-top:1px solid var(--line);margin:38px 0 12px;padding-top:30px;font-size:21px}article header+h2,article .lede+h2{border-top:0;margin-top:26px;padding-top:0}article h3{margin:26px 0 10px;font-size:18px}article p{margin:0 0 16px}article ul,article ol{margin:0 0 16px;padding-left:1.4em}article li{margin:4px 0}article li::marker{color:var(--brand)}article strong{font-weight:650}article code{background:var(--code-bg);border-radius:4px;padding:2px 6px;font-family:Consolas,JetBrains Mono,Menlo,monospace;font-size:.88em}article pre{color:#e8eef6;background:#0e1b2c;border-radius:10px;padding:16px 18px;font-size:14px;line-height:1.6;overflow-x:auto}article pre code{color:inherit;background:0 0;padding:0}article blockquote{border-left:3px solid var(--line);color:var(--muted);margin:0 0 16px;padding:2px 0 2px 14px}article img{border:1px solid var(--line);border-radius:12px;max-width:100%}article table{border-collapse:collapse;width:100%;margin:0 0 16px;font-size:15px;display:block;overflow-x:auto}article th,article td{border:1px solid var(--line);text-align:left;padding:8px 12px}article th{background:var(--code-bg);white-space:nowrap;font-weight:600}article hr{border:0;border-top:1px solid var(--line);margin:30px 0}.tags{flex-wrap:wrap;gap:8px;margin-top:34px;display:flex}.tags span{color:var(--muted);border:1px solid var(--line);background:var(--card);border-radius:999px;padding:2px 10px;font-size:12.5px}.post-nav{grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;display:grid}.post-nav a{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);border-radius:14px;padding:14px 18px;transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}.post-nav a:hover{box-shadow:var(--shadow-md);border-color:#0f62fe59;text-decoration:none;transform:translateY(-2px)}.post-nav a em{color:var(--muted);margin-bottom:4px;font-size:12px;font-style:normal;display:block}.post-nav a strong{color:var(--ink);font-size:14.5px;font-weight:600;line-height:1.5;transition:color .18s ease-out}.post-nav a:hover strong{color:var(--brand)}.post-nav .next{text-align:right}.back-blog{text-align:center;margin-top:22px;font-size:14px;display:block}.site-foot{background:var(--card);border-top:1px solid var(--line);margin-top:64px;padding:38px 0 26px}.foot-grid{flex-wrap:wrap;justify-content:space-between;gap:40px;display:flex}.foot-id .brand{font-size:16px}.foot-tag{color:var(--muted);text-wrap:balance;word-break:keep-all;max-width:34em;margin:10px 0 0;font-size:13.5px;line-height:1.75}.foot-cols{gap:56px;display:flex}.foot-col em{letter-spacing:1px;color:var(--muted);margin-bottom:10px;font-size:12px;font-style:normal;display:block}.foot-col a{color:var(--ink);opacity:.82;margin:6px 0;font-size:14px;display:block}.foot-col a:hover{color:var(--brand);opacity:1;text-decoration:none}.foot-bar{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-top:30px;padding-top:16px;font-size:13px;display:flex}.foot-bar p{margin:0}.foot-bar a{color:var(--muted)}.foot-bar a:hover{color:var(--brand)}.foot-meta{flex-wrap:wrap;gap:18px;display:flex}.foot-meta a{white-space:nowrap}@media (width<=560px){.site-head nav{gap:14px}.hero h1{font-size:25px}article h1{font-size:24px}.post-card{padding:16px 18px}.post-nav{grid-template-columns:1fr}.post-nav .next{text-align:left}.foot-cols{gap:40px}.foot-bar{flex-direction:column;align-items:flex-start;gap:6px}.pager{gap:4px}.pager a,.pager span{min-width:34px;height:34px;padding:0 8px;font-size:13.5px}}
