.err-page{max-width:900px;margin:0 auto;padding:40px 24px 80px}.err-header{border-bottom:1px solid #f0f0f0;margin-bottom:32px;padding-bottom:32px}.err-page-title{letter-spacing:-.02em;color:#0f0f0f;margin:0 0 10px;font-size:32px;font-weight:800}.err-page-sub{color:#6b7280;max-width:620px;margin:0;font-size:15px;line-height:1.7}.err-list{flex-direction:column;gap:28px;display:flex}.err-card{border:1px solid #e5e7eb;border-radius:14px;padding:22px 24px;scroll-margin-top:24px}.err-card-header{flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.err-code{color:#9333ea;background:#f5f3ff;border-radius:6px;padding:2px 8px;font-family:ui-monospace,Cascadia Code,Fira Code,monospace;font-size:11px;font-weight:700}.err-title{color:#0f0f0f;margin:0;font-size:17px;font-weight:700}.err-explanation{color:#374151;margin:0 0 16px;font-size:14px;line-height:1.7}.err-pair{grid-template-columns:1fr 1fr;gap:12px;display:grid}@media (max-width:640px){.err-pair{grid-template-columns:1fr}}.err-pair-col .prism-pre{border-radius:8px}.err-pair-label{letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;font-size:10px;font-weight:700}.err-pair-label-bad{color:#ef4444}.err-pair-label-good{color:#16a34a}