.gap .study-note{font-size:12px;line-height:1.5;margin:12px 0 22px;color:var(--ink);opacity:.8}
.gap .fiber-angle{font-size:clamp(20px,2.6vw,26px);font-weight:800;line-height:1.25;margin:22px 0 10px;max-width:36ch}
.gap .fiber-proof{margin:22px 0 10px;padding:20px 0;border-top:1px solid currentColor;border-bottom:1px solid currentColor;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center}
.gap .fiber-proof strong{font-size:clamp(28px,4vw,42px);line-height:1;font-weight:800;white-space:nowrap}
.gap .fiber-proof p{font-size:15px;line-height:1.5;margin:0}
.gap .claim-ref{font-size:12px;white-space:nowrap;color:inherit;text-underline-offset:3px}
.gap .probs li span{opacity:1;line-height:1.55}
.gap .fiber-note{font-size:13px;line-height:1.55;max-width:68ch;margin-top:20px}
.gap .study-note a,.gap .fiber-note a{color:inherit;text-underline-offset:3px}
.gap .gapnum .claim-ref{font-weight:400}
@media(max-width:480px){.gap .fiber-proof{grid-template-columns:1fr;gap:10px;padding:18px 0}.gap .fiber-angle{max-width:29ch}}