.pnf-page{color:#333;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);justify-content:center;align-items:center;min-height:100vh;font-family:Arial,sans-serif;display:flex}.pnf-container{text-align:center;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:20px;max-width:600px;padding:2rem;box-shadow:0 20px 40px #0000001a}.pnf-error-code{color:#667eea;text-shadow:2px 2px 4px #0000001a;margin-bottom:1rem;font-size:8rem;font-weight:700;line-height:normal}.pnf-error-title{color:#333;margin-bottom:1rem;font-size:2.5rem;font-weight:700}.pnf-error-message{color:#666;margin-bottom:2rem;font-size:1.2rem;line-height:1.6}@media (max-width:768px){.pnf-error-code{font-size:6rem}.pnf-error-title{font-size:2rem}.pnf-error-message{font-size:1rem}.pnf-container{margin:1rem;padding:1.5rem}}