.nf-root{text-align:center;justify-content:center;align-items:center;gap:var(--space-lg);min-height:100vh;padding:var(--space-2xl) var(--space-lg);background:var(--bg-primary);color:var(--text-secondary);flex-direction:column;display:flex}.nf-brand{font-family:var(--font-geist-mono), monospace;color:var(--text-primary);font-size:1.25rem;font-weight:700;text-decoration:none}.nf-brand .nf-cn{color:var(--accent-light)}.nf-code{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(3.5rem,12vw,6rem);font-weight:700;line-height:1}.nf-title{color:var(--text-primary);margin:0;font-size:clamp(1.25rem,3vw,1.6rem)}.nf-sub{max-width:38ch;margin:0;line-height:1.6}.nf-actions{gap:var(--space-md);margin-top:var(--space-sm);flex-wrap:wrap;justify-content:center;display:flex}