Merge hands/site-math-scroll: the week essay's formula wraps on phones; wide math scrolls site-wide

Operator ruling site-masthead:ruling:essay-math-display-and-scroll. Soul s1:
three promises hold; fitting-math-unchanged overclaimed (hidden 3-6px vertical
overflow on constructs no live page uses). Follow-ups recorded for math outside
paragraphs and for screen-reader access to math.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

GameCult/Blog/week-of-nonconsensual-access.md

@@ -139,7 +139,7 @@ $$B = \text{boundary expressed}$$
 
 $$R = \text{respect for boundary}$$
 
-$$P = \text{pressure, retaliation, pursuit, or punishment}$$
+$$P = \text{pressure, retaliation,}$$ $$\text{pursuit, or punishment}$$
 
 $$I = \text{institutional usefulness}$$
 

site/quartz/styles/custom.scss

@@ -849,6 +849,17 @@ article > h6 {
   margin-top: 0;
 }
 
+/* KaTeX does not break inside a formula, so math wider than the column scrolls
+   in its own paragraph or display block instead of widening the page; math that
+   fits shows no scrollbar. */
+article p:has(.katex),
+article .katex-display {
+  overflow-x: auto;
+  overflow-y: hidden;
+  scrollbar-width: thin;
+  scrollbar-color: var(--gray) transparent;
+}
+
 .page > #quartz-body .center > article .gamecult-outtake {
   position: relative;
   box-sizing: border-box;