:root{--bg:#0f1320;--card:#141a2a;--accent:#7fe3ff;--text:#e6efff;--muted:#9fb3c8}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
a{color:var(--accent)}.container{max-width:1100px;margin:0 auto;padding:24px}
.header{position:sticky;top:0;background:#0f1320d9;border-bottom:1px solid #1f2a44}
.nav{display:flex;gap:14px;align-items:center}.brand{font-weight:800}
.card{background:var(--card);border:1px solid #1f2a44;border-radius:16px;padding:20px;box-shadow:0 10px 30px #0003}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;border:1px solid #274569;background:#0b1b2e;color:var(--text)}
.btn:hover{background:#0d2340}.meta{color:var(--muted);font-size:14px}