.school-paper-work{display:grid;place-items:center;min-height:190px;border:2px solid var(--ink);background:repeating-linear-gradient(to bottom,var(--white) 0,var(--white) 31px,#d8e1e8 32px);padding:20px;overflow-x:auto}.school-paper-work pre{margin:0;white-space:pre;text-align:right;color:var(--ink);font:900 clamp(1.2rem,3vw,2rem)/1.35 "Courier New",monospace}.school-formula-note{border:2px solid var(--ink);background:var(--paper);padding:13px 15px;font:800 .72rem/1.55 "Courier New",monospace}.school-rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.school-rule-card{border:2px solid var(--ink);background:var(--white);padding:12px}.school-rule-card b{display:block;margin-bottom:5px;font:900 .72rem "Arial Black",Arial,sans-serif}.school-rule-card span{font:700 .68rem/1.4 "Courier New",monospace}.mixed-number-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.coordinate-result-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}@media(max-width:700px){.school-rule-grid,.mixed-number-grid,.coordinate-result-strip{grid-template-columns:1fr}}