:root{--bg:#0b0f14;--fg:#e6f0ff;--muted:#9bb0c6;--primary:#67b3ff;--card:#111827;}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,sans-serif}
a{color:var(--primary);text-decoration:none}
nav,footer{max-width:1100px;margin:0 auto;padding:16px 24px}
.header{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:28px}
.btn{padding:10px 14px;border:1px solid #223142;border-radius:10px;background:#0f172a;color:#cfe3ff}
.container{max-width:1100px;margin:32px auto;padding:0 24px}
.card{background:var(--card);border:1px solid #1f2937;border-radius:16px;padding:22px;margin:16px 0}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.hero{padding:56px 0}
.footer-note{color:var(--muted);font-size:14px}
.tag{font-size:12px;color:#bcd0ea;border:1px solid #1f3550;border-radius:999px;padding:4px 10px}