summary{cursor:pointer;font-size:1rem;font-weight:600;line-height:1.6;color:#38335f;padding:5px 0;overflow-wrap:anywhere}details[open]>summary{margin-bottom:16px}.source-link{display:inline-block;font-size:.8rem;color:#554899;line-height:1.6;margin:10px 10px 0 0;overflow-wrap:anywhere}.course-library{margin-top:24px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px}.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.library-grid a{padding:14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;display:flex;gap:10px;align-items:flex-start;min-width:0;font-size:.88rem}.library-grid a>span:last-child{overflow-wrap:anywhere}.library-grid .pill{flex-shrink:0}.definition-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.definition-grid dt{font-size:.8rem;color:var(--muted);margin-bottom:6px}.definition-grid dd{margin:0;font-weight:600}.record{padding:16px 0;border-bottom:1px solid var(--line)}.record:last-child{border:0}.record p{font-size:.9rem;overflow-wrap:anywhere}.reference-images{display:grid;grid-template-columns:1fr 1fr;gap:12px}.reference-images img{width:100%;height:auto;border:1px solid var(--line)}.macro-strip{display:flex;gap:12px;justify-content:space-between;background:#eeecfa;border-radius:10px;padding:16px;margin:16px 0;flex-wrap:wrap}.macro-strip span{font-size:.9rem}.macro-strip b{display:block;font-size:1.3rem;color:var(--purple);margin-top:5px}.calculation-result .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.calculation-result .stat-number{font-size:1.4rem}.calculation-result .card{padding:16px}.calculation-result p{font-size:.85rem}.calculation-result details{padding:8px 0 20px}.share-row{display:flex;align-items:center;gap:10px}.share-row .field{flex:1;margin-bottom:12px}.share-row .button{align-self:center;margin-top:12px}.form-section{padding:18px 0;border-bottom:1px solid var(--line);margin-bottom:18px}.question-block{margin-bottom:20px;border-left:3px solid #d6d0f0;padding-left:15px}.question-block .field{margin-bottom:10px}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.calculation-preview{margin:20px 0;background:#eeecfa;color:#3a3285}.calculation-preview>strong{font-size:1.1rem}.calculation-preview p:last-child{margin:0}.set-row{display:grid;grid-template-columns:85px 1fr 1fr;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.set-row .field{margin:0}.exercise-feedback{font-size:.84rem;margin:12px 0 0}.exercise-editor .button{white-space:normal}.exercise-editor .card-head h3{margin:0}.row .overflow-text p{white-space:normal}.library-grid a:hover{background:#f5f3fb}
@media(max-width:700px){.library-grid{grid-template-columns:1fr}.library-grid a{flex-direction:column}.definition-grid{grid-template-columns:1fr 1fr}.reference-images{grid-template-columns:1fr}.set-row{grid-template-columns:1fr 1fr}.set-row>span{grid-column:1/-1;font-size:.85rem}.tool-grid{grid-template-columns:1fr}.macro-strip{padding:12px;gap:10px}.macro-strip b{font-size:1.1rem}.calculation-result .stat-number{font-size:1.05rem}.calculation-result .stat-number span{font-size:.75rem}.calculation-result .stats{gap:8px}.calculation-result .card{padding:12px}.course-library{padding:16px}.exercise-editor .card-head{align-items:flex-start}.exercise-editor .split-actions{gap:7px}}