:root{--bg:#0b0f17;--card:#0f172a;--text:#e5e7eb;--muted:#9ca3af;--link:#93c5fd;--border:#1f2937;}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:var(--bg);color:var(--text);line-height:1.65}
a{color:var(--link);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:18px}
.hr{height:1px;background:var(--border);margin:14px 0}
.nav{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.brand a{font-weight:900;letter-spacing:.2px}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:rgba(15,23,42,.6);
  padding:7px 12px;border-radius:999px;font-size:13px;color:var(--muted)}
.pill:hover{border-color:#334155;text-decoration:none}
.wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.main{grid-column:span 12}
.side{grid-column:span 12}
@media(min-width:980px){.main{grid-column:span 8}.side{grid-column:span 4}}
.card{background:linear-gradient(180deg,rgba(15,23,42,.92),rgba(15,23,42,.62));
  border:1px solid var(--border);border-radius:18px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.hero{padding:18px;border-radius:18px;border:1px solid var(--border);background:radial-gradient(800px 200px at 20% 0%, rgba(147,197,253,.18), transparent 70%), rgba(15,23,42,.55)}
.h1{font-size:34px;line-height:1.15;font-weight:900;margin:0 0 6px}
.sub{color:var(--muted)}
.meta{color:var(--muted);font-size:13px;display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:12px}
.item{border:1px solid var(--border);border-radius:16px;padding:14px;background:rgba(15,23,42,.5)}
.item h3{margin:0 0 6px;font-size:18px}
.btn{display:inline-flex;align-items:center;gap:8px;margin-top:10px;padding:10px 12px;border-radius:12px;
  border:1px solid var(--border);background:rgba(11,18,32,.8);color:var(--text)}
.btn:hover{border-color:#334155;text-decoration:none}
.article h1{margin:0 0 8px;font-size:30px;line-height:1.15}
.article h2{margin:18px 0 8px;font-size:20px}
.article p,.article li{color:#e7ecff}
.article code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#0b1220;border:1px solid var(--border);padding:2px 6px;border-radius:8px}
.footer{color:var(--muted);font-size:13px;padding:12px 0}
input[type="search"]{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:rgba(15,23,42,.7);color:var(--text)}