.nf-main{flex:1;justify-content:center;align-items:center;padding-block:80px;display:flex;position:relative;overflow:hidden}.nf-main:before{content:"";background-image:linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);opacity:.5;pointer-events:none;background-size:64px 64px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(60% 60%,#0006 0%,#0000 75%);mask-image:radial-gradient(60% 60%,#0006 0%,#0000 75%)}.nf-content{z-index:1;text-align:center;max-width:640px;margin:0 auto;position:relative}.nf-code{font-family:var(--font-mono);letter-spacing:-.08em;color:var(--fg);margin:0 0 8px;font-size:clamp(120px,22vw,240px);font-weight:700;line-height:.85;display:inline-block;position:relative}.nf-code .accent{color:var(--brand);font-style:italic}.nf-code:after{content:"404";color:var(--brand);opacity:.12;z-index:-1;font-style:normal;position:absolute;top:6px;left:6px}.nf-tag{background:var(--brand-soft);border:1px solid var(--brand-soft-border);color:var(--brand);border-radius:var(--r-pill);font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:8px;margin-bottom:24px;padding:5px 12px;font-size:11px;font-weight:700;display:inline-flex}.nf-tag:before{content:"";background:var(--brand);border-radius:50%;width:6px;height:6px}.nf-content h1{letter-spacing:-.03em;max-width:18ch;margin:0 auto 14px;font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.05}.nf-content h1 em{color:var(--brand);font-style:italic}.nf-content p{color:var(--fg-muted);max-width:460px;margin:0 auto 32px;font-size:16px;line-height:1.55}.nf-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:40px;display:flex}.nf-suggest{text-align:left;grid-template-columns:repeat(3,1fr);gap:12px;display:grid}@media (max-width:900px){.nf-suggest{grid-template-columns:1fr}}.nf-suggest a{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--r);color:inherit;align-items:center;gap:12px;padding:14px 16px;text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.nf-suggest a:hover{border-color:var(--brand-soft-border);transform:translateY(-2px)}.nf-suggest a .icn{background:var(--brand-soft);width:36px;height:36px;color:var(--brand);border-radius:var(--r-sm);place-items:center;display:grid}.nf-suggest a .body{min-width:0}.nf-suggest a strong{letter-spacing:-.01em;font-size:14px;font-weight:600;display:block}.nf-suggest a span{color:var(--fg-muted);font-size:12px;font-family:var(--font-mono);letter-spacing:.04em}@media (max-width:720px){.nf-main{padding-block:48px}.nf-code{font-size:clamp(96px,32vw,160px)}.nf-tag{margin-bottom:18px;padding:4px 10px;font-size:10px}.nf-content h1{font-size:22px}.nf-content p{margin-bottom:24px;font-size:14px}.nf-actions{gap:8px}.nf-actions .ra-btn-pill{width:100%;height:44px}.nf-suggest{gap:8px}.nf-suggest a{padding:12px}}