.topic-head-row[data-astro-cid-ynstpoez]{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap;margin:var(--space-2xs) 0 22px}.topic-head-row[data-astro-cid-ynstpoez] .kicker[data-astro-cid-ynstpoez]{margin:0}.prereq-box[data-astro-cid-ynstpoez]{margin:var(--space-md) 0;padding:var(--space-sm) var(--space-card);background:var(--paper-soft);border:1px solid var(--rule);border-radius:var(--radius-sm)}.prereq-title[data-astro-cid-ynstpoez]{display:flex;align-items:center;gap:.4em;margin:0 0 var(--space-2xs);font-size:var(--text-sm);font-weight:700;letter-spacing:.03em;color:var(--ink-soft)}.prereq-title[data-astro-cid-ynstpoez] .section-icon[data-astro-cid-ynstpoez]{flex:none;color:var(--shu)}.prereq-list[data-astro-cid-ynstpoez]{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:var(--space-2xs) var(--space-sm)}.prereq-list[data-astro-cid-ynstpoez] a[data-astro-cid-ynstpoez]{color:var(--shu-deep);text-decoration:none;border-bottom:1px solid var(--shu-soft)}.prereq-list[data-astro-cid-ynstpoez] a[data-astro-cid-ynstpoez]:hover{border-bottom-color:var(--shu)}.walkthrough[data-astro-cid-ynstpoez]{margin:var(--space-lg) 0}.walkthrough[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez]{margin:0 0 var(--space-sm)}.walkthrough-list[data-astro-cid-ynstpoez]{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-sm)}.walkthrough-step[data-astro-cid-ynstpoez]{padding:var(--space-card);background:var(--surface);border:1px solid var(--rule);border-left:3px solid var(--shu);border-radius:var(--radius-sm)}.walkthrough-step-title[data-astro-cid-ynstpoez]{margin:0 0 var(--space-2xs);font-weight:700;color:var(--ink);letter-spacing:.01em}.walkthrough-note[data-astro-cid-ynstpoez]{margin:0;color:var(--ink);line-height:1.95}.walkthrough-ref[data-astro-cid-ynstpoez]{display:inline-block;margin-top:var(--space-2xs);font-size:var(--text-md)}.exercise-box[data-astro-cid-ynstpoez]{margin:var(--space-lg) 0;padding:var(--space-card);background:var(--shu-soft);border-left:3px solid var(--shu);border-radius:var(--radius-sm)}.exercise-tag[data-astro-cid-ynstpoez]{display:inline-flex;align-items:center;gap:.35em;margin-bottom:var(--space-2xs);font-size:var(--type-label-sm);font-weight:700;letter-spacing:.04em;color:var(--shu-deep)}.exercise-tag[data-astro-cid-ynstpoez] .section-icon[data-astro-cid-ynstpoez]{flex:none}.exercise-box[data-astro-cid-ynstpoez] p[data-astro-cid-ynstpoez]{margin:0;color:var(--ink);line-height:1.8}.field-cases[data-astro-cid-ynstpoez],.ng-examples[data-astro-cid-ynstpoez]{margin:var(--space-lg) 0}.field-cases[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez],.ng-examples[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez]{display:flex;align-items:center;gap:.4em;font-size:1.4rem;border-bottom:0;padding-bottom:0;margin-bottom:var(--space-md)}.field-cases[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez]:after,.ng-examples[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez]:after{display:none}.field-cases[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez] .section-icon[data-astro-cid-ynstpoez],.ng-examples[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez] .section-icon[data-astro-cid-ynstpoez]{flex:none;color:var(--shu)}.case-list[data-astro-cid-ynstpoez],.ng-list[data-astro-cid-ynstpoez]{display:grid;gap:var(--space-sm)}.case-card[data-astro-cid-ynstpoez],.ng-card[data-astro-cid-ynstpoez]{padding:var(--space-card);background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius-sm)}.case-title[data-astro-cid-ynstpoez]{margin:0 0 var(--space-xs);font-weight:700;color:var(--ink)}.case-scene[data-astro-cid-ynstpoez],.case-read[data-astro-cid-ynstpoez]{margin:0;line-height:1.95;text-indent:-3.8em;padding-left:3.8em}.case-scene[data-astro-cid-ynstpoez]{color:var(--ink-soft);margin-bottom:var(--space-xs)}.case-read[data-astro-cid-ynstpoez]{color:var(--ink)}.case-tag[data-astro-cid-ynstpoez]{display:inline-block;width:3.2em;margin-right:.4em;padding:1px 0;font-size:.68rem;font-weight:700;letter-spacing:.04em;text-align:center;text-indent:0;border-radius:999px;background:var(--paper-soft);color:var(--ink-note);vertical-align:.12em}.case-tag-shu[data-astro-cid-ynstpoez]{background:var(--shu-soft);color:var(--shu-deep)}.ng-row[data-astro-cid-ynstpoez]{margin:0;line-height:1.8;display:flex;gap:10px;align-items:baseline}.ng-row[data-astro-cid-ynstpoez]+.ng-row[data-astro-cid-ynstpoez]{margin-top:var(--space-2xs)}.ng-mark[data-astro-cid-ynstpoez]{display:inline-flex;align-items:center;justify-content:center;gap:3px;flex:none;min-width:4.2em;text-align:center;padding:1px var(--space-xs);font-size:.68rem;font-weight:700;letter-spacing:.06em;border-radius:999px;background:var(--paper-soft);color:var(--ink-note)}.ng-mark-icon[data-astro-cid-ynstpoez]{flex:none}.ng-row-bad[data-astro-cid-ynstpoez]{color:var(--ink-note)}.ng-row-good[data-astro-cid-ynstpoez]{color:var(--ink)}.ng-mark-ok[data-astro-cid-ynstpoez]{background:var(--shu-soft);color:var(--shu-deep)}.ng-why[data-astro-cid-ynstpoez]{margin:var(--space-sm) 0 0;padding-top:var(--space-sm);border-top:1px dotted var(--rule);font-size:.95rem;color:var(--ink-soft);line-height:1.9}.topic-page[data-astro-cid-ynstpoez]>.kicker[data-astro-cid-ynstpoez]{display:inline-flex;align-items:center;gap:.55em;margin-bottom:14px}.topic-page[data-astro-cid-ynstpoez]>.kicker[data-astro-cid-ynstpoez]:before{content:"";width:24px;height:1px;background:var(--shu)}.topic-page[data-astro-cid-ynstpoez]>.back-link[data-astro-cid-ynstpoez]{margin:6px 0 20px}.topic-page[data-astro-cid-ynstpoez]>h1[data-astro-cid-ynstpoez]{font-size:clamp(1.95rem,1.3rem + 2.6vw,2.6rem);line-height:1.34;letter-spacing:.012em;margin:0 0 26px}.topic-page[data-astro-cid-ynstpoez]>.lead[data-astro-cid-ynstpoez]{font-size:1.075rem;line-height:1.95;color:var(--ink);max-width:34em;margin:0 0 30px}.topic-page[data-astro-cid-ynstpoez]>.meta[data-astro-cid-ynstpoez]{padding-bottom:28px;border-bottom:1px solid var(--rule);margin-bottom:44px}.topic-page[data-astro-cid-ynstpoez] .takeaway-box[data-astro-cid-ynstpoez]{background:transparent;border:0;border-left:3px solid var(--shu);border-radius:0;padding:2px 0 2px 22px;margin:var(--space-lg) 0 30px}.topic-page[data-astro-cid-ynstpoez] .takeaway-box[data-astro-cid-ynstpoez] .section-icon[data-astro-cid-ynstpoez],.topic-page[data-astro-cid-ynstpoez] .boundary-box[data-astro-cid-ynstpoez] .section-icon[data-astro-cid-ynstpoez]{color:var(--shu);vertical-align:-.2em;margin-right:.35em}.walkthrough[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez]{font-size:1.4rem;border-bottom:0;padding-bottom:0;margin-bottom:var(--space-md)}.walkthrough[data-astro-cid-ynstpoez]>h2[data-astro-cid-ynstpoez]:after{display:none}.next-read-section[data-astro-cid-ynstpoez]{margin:var(--space-lg) 0}.next-read-grid[data-astro-cid-ynstpoez]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-sm)}.next-read-card[data-astro-cid-ynstpoez]{display:grid;gap:var(--space-xs);align-content:start;padding:var(--space-xs);border:1px solid transparent;border-radius:var(--radius-sm);text-decoration:none;transition:background .15s ease,border-color .15s ease}.next-read-card[data-astro-cid-ynstpoez]:hover{background:var(--paper-soft);border-color:var(--rule)}.nr-card-thumb[data-astro-cid-ynstpoez]{width:100%;height:auto;aspect-ratio:880 / 492;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--rule)}.nr-card-cat[data-astro-cid-ynstpoez]{font-size:.74rem;letter-spacing:.04em;color:var(--ink-note)}.nr-card-title[data-astro-cid-ynstpoez]{font-family:var(--font-display);font-size:1.02rem;font-weight:600;line-height:1.55;color:var(--ink)}.toc-box[data-astro-cid-ynstpoez]{margin:var(--space-lg) 0 30px;padding:var(--space-sm) 0 var(--space-sm) 20px;border-left:1px solid var(--rule)}.toc-label[data-astro-cid-ynstpoez]{margin:0 0 var(--space-2xs);font-size:var(--text-xs);font-weight:700;letter-spacing:.08em;color:var(--ink-note)}.toc-list[data-astro-cid-ynstpoez]{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-2xs)}.toc-list[data-astro-cid-ynstpoez] a[data-astro-cid-ynstpoez]{display:flex;align-items:baseline;gap:.6em;color:var(--ink-soft);text-decoration:none;font-size:.92rem;line-height:1.7}.toc-list[data-astro-cid-ynstpoez] a[data-astro-cid-ynstpoez]:hover{color:var(--shu-deep)}.toc-num[data-astro-cid-ynstpoez]{flex:none;min-width:1.6em;font-family:var(--font-mono);font-size:var(--type-label-sm);color:var(--shu)}.path-nav[data-astro-cid-ynstpoez]{margin:var(--space-lg) 0;padding:var(--space-sm) var(--space-card);background:var(--paper-soft);border:1px solid var(--rule);border-radius:var(--radius-sm)}.path-nav-label[data-astro-cid-ynstpoez]{margin:0 0 var(--space-sm);font-size:.85rem;color:var(--ink-soft)}.path-nav-label[data-astro-cid-ynstpoez] a[data-astro-cid-ynstpoez]{color:var(--shu-deep);text-decoration:none;border-bottom:1px solid var(--shu-soft)}.path-nav-links[data-astro-cid-ynstpoez]{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}.path-nav-link[data-astro-cid-ynstpoez]{display:grid;gap:var(--space-2xs);color:var(--ink);text-decoration:none}.path-nav-next[data-astro-cid-ynstpoez]{text-align:right}.path-nav-link[data-astro-cid-ynstpoez] span[data-astro-cid-ynstpoez]{font-size:.74rem;letter-spacing:.04em;color:var(--ink-note)}.path-nav-link[data-astro-cid-ynstpoez] strong[data-astro-cid-ynstpoez]{font-family:var(--font-display);font-size:.98rem;font-weight:600;line-height:1.5}.path-nav-empty[data-astro-cid-ynstpoez]{visibility:hidden}@media(max-width:640px){.topic-page[data-astro-cid-ynstpoez]>.lead[data-astro-cid-ynstpoez]{font-size:1.02rem}.next-read-grid[data-astro-cid-ynstpoez],.path-nav-links[data-astro-cid-ynstpoez]{grid-template-columns:1fr}.path-nav-next[data-astro-cid-ynstpoez]{text-align:left}}