:root{--p:#4a63c9;--p2:#3d54b0;--ink:#0f172a;--t:#334155;--m:#64748b;--ln:#e5e9f0;--bg:#f6f8fb;--card:#fff}
@media (prefers-color-scheme:dark){:root{--p:#8ea0f0;--p2:#a9b8f5;--ink:#e6e9f0;--t:#cbd5e1;--m:#94a3b8;--ln:#1f2a3c;--bg:#0b1120;--card:#111827}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--t);font:16px/1.7 "Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--p);text-decoration:none}a:hover{color:var(--p2)}
img{max-width:100%;height:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.main{padding-top:36px;padding-bottom:64px;min-height:60vh}
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--card) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--ln)}
.top-in{display:flex;align-items:center;gap:24px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px}
.brand img{width:34px;height:34px;object-fit:contain}.brand i{font-style:normal;color:var(--p)}
.nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.nav a{color:var(--t);padding:7px 12px;border-radius:8px;font-size:15px}
.nav a:hover,.nav a.on{background:color-mix(in srgb,var(--p) 12%,transparent);color:var(--p)}
.hero{margin-bottom:34px}
.hero h1,.entry h1{font-size:38px;line-height:1.2;letter-spacing:-.02em;color:var(--ink);margin:6px 0 14px}
.center{text-align:center}.center h1{font-size:72px;margin-bottom:0}
.muted,.empty{color:var(--m)}
.crumbs{font-size:14px;color:var(--m)}
.sec-title{font-size:22px;color:var(--ink);margin:40px 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--ln);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -22px rgba(15,23,42,.35)}
.card-img{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,color-mix(in srgb,var(--p) 20%,var(--card)),var(--card));overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover;display:block}
.card-img span{display:grid;place-items:center;height:100%;padding:20px;text-align:center;font-weight:700;color:var(--p);font-size:18px;line-height:1.35}
.card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.card h3{margin:0;font-size:18px;line-height:1.4}.card h3 a{color:var(--ink)}.card h3 a:hover{color:var(--p)}
.card p{margin:0;color:var(--m);font-size:15px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--m)}
.chip{display:inline-block;padding:2px 10px;border-radius:99px;background:color-mix(in srgb,var(--p) 12%,transparent);font-size:12.5px;font-weight:600}
.entry{max-width:760px;margin:0 auto}
.cover{width:100%;border-radius:14px;margin:18px 0 6px;display:block}
.prose{font-size:17px;color:var(--t)}
.prose h2{font-size:26px;color:var(--ink);margin:1.6em 0 .5em;line-height:1.3}.prose h3{font-size:21px;color:var(--ink);margin:1.4em 0 .5em}
.prose img{border-radius:10px}.prose blockquote{margin:1.2em 0;padding:4px 18px;border-left:4px solid var(--p);color:var(--m)}
.prose pre{background:var(--ink);color:#e2e8f0;padding:14px;border-radius:10px;overflow:auto;font-size:14px}
.prose table{border-collapse:collapse;width:100%}.prose td,.prose th{border:1px solid var(--ln);padding:8px 10px}
.pager{display:flex;gap:6px;justify-content:center;margin-top:34px;flex-wrap:wrap}
.pager a{min-width:40px;height:40px;padding:0 12px;display:grid;place-items:center;border:1px solid var(--ln);border-radius:10px;background:var(--card);color:var(--t)}
.pager a.on{background:var(--p);border-color:var(--p);color:#fff}
.btn{display:inline-block;padding:11px 22px;border-radius:10px;background:var(--p);color:#fff;font-weight:600}.btn:hover{color:#fff;background:var(--p2)}
.foot{border-top:1px solid var(--ln);background:var(--card);font-size:14.5px;color:var(--m)}
.foot-in{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between;align-items:center;padding-top:26px;padding-bottom:26px}
.foot-in b{color:var(--ink)}.foot-in p{margin:4px 0 0}
.foot-links{display:flex;gap:16px;flex-wrap:wrap}.foot-links a{color:var(--m)}
@media (max-width:640px){.hero h1,.entry h1{font-size:28px}.top-in{gap:8px;padding-top:10px;padding-bottom:10px}.nav{margin-left:0;overflow-x:auto;flex-wrap:nowrap;width:100%}.nav a{white-space:nowrap}.grid{grid-template-columns:1fr}.prose{font-size:16px}}