:root{
  --bg:#0b1220;--card:#0f1b33;--text:#e6eefc;--muted:#a9b7d0;--accent:#7aa2ff;
  --border:rgba(122,162,255,.14);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  background:radial-gradient(1200px 700px at 20% 0%, rgba(122,162,255,.15), transparent 60%),
             radial-gradient(900px 500px at 90% 10%, rgba(97,218,251,.12), transparent 55%),
             linear-gradient(180deg,#070b14,var(--bg));
  color:var(--text);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:980px;margin:0 auto;padding:34px 18px 80px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:44px;height:44px;border-radius:12px;background:radial-gradient(circle at 30% 30%,#9bb7ff,#2a4cff);
  box-shadow:0 10px 26px rgba(122,162,255,.25)}
.brand h1{font-size:18px;margin:0;letter-spacing:.2px}
.brand p{margin:2px 0 0;color:rgba(169,183,208,.85);font-size:13px}
.nav{display:flex;gap:14px;flex-wrap:wrap}
.nav a{font-size:14px;color:rgba(230,238,252,.92)}
.hero{background:rgba(15,27,51,.72);border:1px solid var(--border);border-radius:18px;padding:18px 16px;margin:16px 0 22px}
.hero h2{margin:0 0 8px;font-size:20px}
.hero .meta{color:rgba(169,183,208,.9);line-height:1.6}
.grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:860px){.grid{grid-template-columns:1.2fr .8fr}}
.card{background:rgba(15,27,51,.78);border:1px solid var(--border);border-radius:16px;padding:16px}
.card h3{margin:0 0 10px;font-size:16px}
.post{padding:14px 14px 12px;border-radius:14px;border:1px solid rgba(122,162,255,.10);background:rgba(9,14,26,.35)}
.post + .post{margin-top:10px}
.post .meta{font-size:12.5px;color:rgba(169,183,208,.86)}
.post .title{margin:6px 0 6px;font-size:17px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  border:1px solid rgba(122,162,255,.18);color:rgba(230,238,252,.92);font-size:12.5px;background:rgba(122,162,255,.08)}
.taglist{display:flex;flex-wrap:wrap;gap:8px}
.footer{margin-top:28px;color:rgba(169,183,208,.7);font-size:13px}
.article{max-width:820px}
.article h1{margin:0 0 8px;font-size:26px}
.article .meta{color:rgba(169,183,208,.86);margin-bottom:18px}
.article p{color:rgba(230,238,252,.92);line-height:1.8;margin:12px 0}
.article code{background:rgba(122,162,255,.12);padding:2px 6px;border-radius:8px}
.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
  font-size:12.5px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  padding:2px 6px;border-radius:7px}