._container_ysipf_7{container:shelf-content/inline-size}._intro_ysipf_12{gap:1.5rem;display:grid}._featureLayout_ysipf_17{gap:1rem;display:grid}._featureMain_ysipf_22{grid-template-columns:minmax(6.5rem,.52fr) minmax(0,1fr);min-height:17rem;display:grid}._featureCoverWrap_ysipf_28{justify-content:center;align-items:center;min-width:0;padding:1.25rem .25rem 1.25rem 1.25rem;display:flex;position:relative}._featureCover_ysipf_28{aspect-ratio:2/3;width:100%;max-width:11.5rem}._supportList_ysipf_43{gap:0;display:grid}._pathRow_ysipf_48{gap:1.5rem;display:grid}._seriesGrid_ysipf_53{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem 1rem;display:grid}@container shelf-content (width>=38rem){._intro_ysipf_12{grid-template-columns:minmax(0,1fr) auto;align-items:end}._featureMain_ysipf_22{grid-template-columns:minmax(10rem,.7fr) minmax(0,1.3fr)}._featureCoverWrap_ysipf_28{padding:2rem .5rem 2rem 2rem}._seriesGrid_ysipf_53{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.75rem 1.25rem}}@container shelf-content (width>=58rem){._featureLayout_ysipf_17{grid-template-columns:minmax(0,1.55fr) minmax(17rem,.65fr);gap:1.25rem}._pathRow_ysipf_48{grid-template-columns:minmax(12rem,.27fr) minmax(0,1fr);gap:2.5rem}}@container shelf-content (width>=74rem){._featureLayout_ysipf_17{grid-template-columns:minmax(0,1.65fr) minmax(20rem,.6fr)}._featureMain_ysipf_22{grid-template-columns:minmax(12rem,.72fr) minmax(0,1.28fr)}._seriesGrid_ysipf_53{grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem 1.5rem}}._page_ysipf_1{background:var(--bg-warm)}._container_ysipf_7{max-width:80rem}._intro_ysipf_12{border:1px solid var(--border-soft);border-radius:var(--radius-hero);background:var(--bg-card);min-height:9.5rem;box-shadow:var(--shadow-soft);align-items:end;padding:1.5rem 1.75rem;position:relative;overflow:hidden}._intro_ysipf_12:after{content:"";opacity:.12;pointer-events:none;background:url(/images/home/teaching-guide-bg.webp) 50%/cover no-repeat;width:48%;position:absolute;inset:0 0 0 auto}._intro_ysipf_12>*{z-index:1;position:relative}._introStats_ysipf_142{color:var(--text-muted)}._introStats_ysipf_142>div{min-width:4.5rem}._filterNav_ysipf_150{scrollbar-width:none;align-items:center;gap:1.35rem;min-width:max-content;display:flex;overflow-x:auto}._filterNav_ysipf_150::-webkit-scrollbar{display:none}._filterTab_ysipf_163{min-height:2.5rem;color:var(--text-muted);flex:none;align-items:center;font-size:.84rem;text-decoration:none;transition:color .18s;display:inline-flex;position:relative}._filterTab_ysipf_163:after{background:var(--gold-primary);content:"";opacity:0;border-radius:999px;height:2px;transition:opacity .18s,transform .18s;position:absolute;bottom:.15rem;left:.1rem;right:.1rem;transform:scaleX(.45)}._filterTab_ysipf_163:hover,._filterTabActive_ysipf_191{color:var(--text-editorial)}._filterTab_ysipf_163:focus-visible{color:var(--text-editorial)}._filterTabActive_ysipf_191:after{opacity:1;transform:scaleX(1)}._filterTab_ysipf_163:focus-visible:after{opacity:1;transform:scaleX(1)}._featureLayout_ysipf_17{gap:1rem}._featureMain_ysipf_22,._supporting_ysipf_206{border:1px solid var(--border-soft);border-radius:var(--radius-card);background:var(--bg-card);box-shadow:var(--shadow-soft);overflow:hidden}._featureMain_ysipf_22{background:var(--bg-card);min-height:17rem}._featureCoverWrap_ysipf_28{padding:1.25rem .75rem 1.25rem 1.25rem}._featureCover_ysipf_28{aspect-ratio:4/3;width:100%;max-width:13rem;box-shadow:var(--shadow-book);border-radius:10px;overflow:hidden}._supporting_ysipf_206{padding:1.2rem 1.25rem}._supportingHeading_ysipf_236{border-bottom:1px solid var(--border-soft);justify-content:space-between;align-items:baseline;padding-bottom:.85rem;display:flex}._supportItem_ysipf_244{border-bottom:1px solid var(--border-soft);grid-template-columns:3.5rem minmax(0,1fr) 1.25rem;align-items:center;gap:.85rem;min-height:6.5rem;padding:.85rem 0;text-decoration:none;display:grid}._supportItem_ysipf_244:last-child{border-bottom:0}._seriesCard_ysipf_259{border:1px solid var(--border-soft);border-radius:var(--radius-card-compact);background:var(--bg-card);box-shadow:var(--shadow-soft);text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:block;overflow:hidden}._seriesCard_ysipf_259:hover{border-color:color-mix(in srgb, var(--gold-primary) 28%, var(--border-soft));box-shadow:var(--shadow-card-small);transform:translateY(-2px)}._seriesCardCover_ysipf_276{aspect-ratio:4/3;overflow:hidden}._seriesCardBody_ysipf_281{min-height:5.7rem;padding:.85rem .95rem .95rem}._seriesCardTitle_ysipf_286{color:var(--text-primary);font-family:var(--font-serif);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:1rem;font-weight:600;line-height:1.5;display:-webkit-box;overflow:hidden}._seriesCardMeta_ysipf_298{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;margin-top:.45rem;font-size:.75rem;line-height:1.4;overflow:hidden}._seriesGrid_ysipf_53{grid-template-columns:minmax(0,1fr);gap:1rem}@container shelf-content (width>=38rem){._intro_ysipf_12{min-height:10rem;padding:1.75rem 2rem}._seriesGrid_ysipf_53{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem}}@container shelf-content (width>=58rem){._seriesGrid_ysipf_53{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}}@media (max-width:39.999rem){._intro_ysipf_12{border-radius:var(--radius-card);min-height:8.5rem;padding:1.25rem 1rem}._intro_ysipf_12:after{opacity:.07;width:56%}._introStats_ysipf_142{display:none}._featureMain_ysipf_22{grid-template-columns:minmax(0,1fr)}._featureCoverWrap_ysipf_28{padding:1rem 1rem 0}._featureCover_ysipf_28{aspect-ratio:16/9;max-width:none}._supporting_ysipf_206{padding:1rem}}@media (prefers-reduced-motion:reduce){._filterTab_ysipf_163,._seriesCard_ysipf_259{transition:none}}