:root{--y4s-brand:#2457d6;--y4s-navy:#173968;--y4s-line:#d8e2ef;--y4s-soft:#eef5ff;--y4s-green:#eaf8ee;--y4s-amber:#fff8e8;--y4s-text:#203047}
.curriculum-page:has(.breadcrumb a[href="/year4/curriculum/science/"]) .curriculum-layout{grid-template-columns:minmax(0,1fr);max-width:980px;margin-inline:auto}.curriculum-page:has(.breadcrumb a[href="/year4/curriculum/science/"]) .curriculum-sidebar{display:none}.curriculum-page:has(.breadcrumb a[href="/year4/curriculum/science/"]) .curriculum-content{min-width:0}
.y4-subject-board{border:1px dashed #b9c8db;background:#f8fafc;border-radius:14px;padding:13px;margin:8px 0;overflow:hidden}.y4-subject-board>p{margin:9px 0 0;line-height:1.45}
.y4-subject-cards{display:flex;flex-wrap:wrap;gap:7px;margin:7px 0}.y4-subject-cards span{display:inline-flex;align-items:center;justify-content:center;min-height:40px;border:1px solid #d9e5f5;border-radius:10px;background:#fff;padding:8px 11px;font-weight:850;color:var(--y4s-navy);text-align:center}
.y4-subject-flow{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;margin:7px 0}.y4-subject-flow span{border:1px solid #d9e5f5;border-radius:10px;background:#fff;padding:8px 10px;font-weight:850;color:var(--y4s-navy)}.y4-subject-flow b{color:var(--y4s-brand)}
.y4-subject-table{display:grid;border:1px solid #d9e5f5;border-radius:11px;overflow:hidden;background:#fff}.y4-subject-table span{padding:7px;border-right:1px solid #e2e9f3;border-bottom:1px solid #e2e9f3;text-align:center}.y4-subject-table span:nth-child(-n+8){font-weight:800;background:#f7faff}
.y4-subject-cycle{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.y4-subject-cycle>div{display:grid;justify-items:center;gap:5px;min-width:92px}.y4-subject-cycle i{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#dbeafe;border:2px solid var(--y4s-brand);font-style:normal;font-weight:900;color:var(--y4s-navy)}.y4-subject-cycle strong{font-size:.76rem;text-align:center}
.y4-subject-chain{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}.y4-subject-chain>div{border:2px solid #9dbcf6;border-radius:12px;background:#fff;padding:10px;min-width:105px;text-align:center}.y4-subject-chain>b{font-size:.65rem;color:#53677f;text-align:center}
.y4-subject-compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}.y4-subject-compare>div{display:grid;gap:5px;border:1px solid #d9e5f5;border-radius:11px;background:#fff;padding:9px}.y4-subject-compare strong{color:var(--y4s-brand)}
.y4-subject-sentence{display:flex;align-items:stretch;justify-content:center;gap:7px;flex-wrap:wrap}.y4-subject-sentence>div{display:grid;gap:4px;border:1px solid #d9e5f5;border-radius:11px;background:#fff;padding:9px;min-width:145px}.y4-subject-sentence small{font-size:.66rem;text-transform:uppercase;font-weight:900;color:#53677f}.y4-subject-sentence strong{color:var(--y4s-navy)}
.y4-subject-evidence{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap}.y4-subject-evidence>div{display:grid;gap:5px;border:1px solid #d9e5f5;border-radius:11px;background:#fff;padding:10px;min-width:170px;flex:1}.y4-subject-evidence>div strong{color:var(--y4s-brand)}.y4-subject-evidence>b{color:var(--y4s-navy)}
@media(max-width:720px){.y4-subject-chain,.y4-subject-evidence{display:grid}.y4-subject-chain>b,.y4-subject-evidence>b{transform:rotate(90deg)}.y4-subject-table span{font-size:.76rem;padding:6px}}