body{font-family:Arial,sans-serif;background:#070b10;color:#edf3fa;line-height:1.6;margin:0;padding:2rem}a{color:#5c9fff}.wrap{max-width:880px;margin:auto}.nav-links{display:flex;gap:1rem}.btn{display:inline-block;padding:.8rem 1.2rem;background:#3d8bfd;color:#fff;border-radius:8px}.card{padding:1rem;border:1px solid #243041;border-radius:12px}