body{margin:0;background:#0b0f1a;color:#e8edf2;font-family:system-ui,Arial}.wrap{max-width:1024px;margin:0 auto}.card,.wrap{padding:16px}.card{background:#121829;border:1px solid #1f2740;border-radius:14px}.btn{background:#2f6feb;color:#fff;border:none;border-radius:10px;padding:10px 14px}