.pm-practice-links{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin:14px 0 22px;padding:20px 24px;background:#eaf2ff;border:1px solid #c1d4f2;border-radius:14px}.pm-practice-links b{font-size:19px;color:#193d77}.pm-practice-links p{font-size:16px;margin:8px 0 0;line-height:1.6}.pm-practice-links>div:last-child{display:flex;gap:10px;flex-wrap:wrap}.pm-practice-links .ac-button{font-size:14px;background:#fff}.bf-level:has(#pm-focus){flex-wrap:wrap;gap:12px}.pm-given-pattern{padding:20px;border-radius:14px;background:#f0f5ff}.pm-given-pattern p{font-size:16px;line-height:1.65;margin:16px 0 0}.pm-table-wrap{overflow-x:auto}.pm-sequence-table{width:100%;border-collapse:separate;border-spacing:0;min-width:340px;background:#fff;border:1px solid #bdcfe9;border-radius:10px;overflow:hidden;text-align:center}.pm-sequence-table caption{text-align:left;font-size:16px;line-height:1.5;margin-bottom:14px;color:#3a5578}.pm-sequence-table th,.pm-sequence-table td{padding:16px 12px;border-right:1px solid #d7e2f0;border-bottom:1px solid #d7e2f0;font-size:18px;line-height:1.4}.pm-sequence-table thead th{background:#e4edff;color:#254f96}.pm-sequence-table th:first-child{font-size:15px;text-align:left;width:150px}.pm-sequence-table tr:last-child>*{border-bottom:0}.pm-sequence-table tr>*:last-child{border-right:0}.pm-difference td{background:#fff5dd;color:#7d5410;font-weight:650}.pm-match-examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.pm-match-examples figure{background:#fff;border:1px solid #c7d7ee;border-radius:12px;padding:18px 12px;margin:0;min-width:0}.pm-match-examples figcaption{text-align:center;font-size:16px;line-height:1.5}.pm-match-examples figcaption span{display:block;margin-top:7px;color:#496182}.pm-match-diagram{display:block;width:100%;height:160px;max-width:620px;margin:20px auto;overflow:visible}.pm-match-diagram.compact{height:95px;margin:10px auto 16px}.pm-match{stroke:#315482;stroke-width:7;stroke-linecap:round}.pm-new{stroke:#b96a06;stroke-dasharray:65;animation:pm-place .8s ease-out both}.pm-shared{stroke:#08786e;stroke-dasharray:7 5}.pm-match-key{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;font-size:15px}.pm-match-key span{display:flex;gap:8px;align-items:center}.pm-match-key i{display:inline-block;width:24px;height:0;border-top:5px solid #b96a06}.pm-match-key .pm-shared-key{border-color:#08786e;border-top-style:dashed}.pm-equation{padding:20px;background:#e9f1ff;color:#173f81;border-radius:12px;text-align:center;font-size:21px!important;font-weight:650;line-height:1.6;margin:24px 0!important}.pm-workshop{max-width:960px;margin:0 auto;background:#fff;border:1px solid #c7d6eb;border-radius:20px;overflow:hidden}.pm-workshop header{padding:28px 32px}.pm-workshop h1{font-size:clamp(28px,3vw,38px);line-height:1.2;margin:16px 0}.pm-workshop p{font-size:18px;line-height:1.7;margin:16px 0}.pm-workshop .pm-question{background:#edf3fe;padding:16px 20px;border-left:4px solid #2c5ddd;font-size:18px}.pm-workshop-picture{padding:26px 32px;background:#f6f9ff;border-top:1px solid #d8e3f4;border-bottom:1px solid #d8e3f4}.pm-workshop footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:22px 32px}.pm-workshop footer>span{font-size:14px;color:#4f6484}.pm-workshop-links{max-width:960px;margin:20px auto}.pm-build-total{font-weight:650;text-align:center}.pm-build .ac-actions{justify-content:center;margin-top:20px}.pm-rule-parts{display:flex;justify-content:center;align-items:center;gap:28px;margin:24px 0}.pm-rule-parts>div{text-align:center}.pm-rule-parts b{font-size:28px;color:#264f98}.pm-rule-parts span{display:block;font-size:16px;margin-top:10px;max-width:230px;line-height:1.5}.pm-calculation{display:flex;align-items:center;flex-direction:column;gap:18px;font-size:20px;padding:15px}.pm-calculation strong{font-size:30px;color:#254e92}.pm-separate-example{margin:20px 0 0;border-top:1px solid #c5d5ec;padding:15px}.pm-separate-example figcaption{text-align:center;font-size:16px}.pm-workshop button:focus-visible,.pm-workshop-links button:focus-visible,.pm-practice-links button:focus-visible{outline:3px solid #245cdd;outline-offset:3px}@keyframes pm-place{from{stroke-dashoffset:65;opacity:.2}to{stroke-dashoffset:0;opacity:1}}@media(prefers-reduced-motion:reduce){.pm-new{animation:none}}@media(max-width:600px){.pm-practice-links{padding:18px}.pm-match-examples{gap:8px}.pm-match-examples figure{padding:10px 5px}.pm-match-examples figcaption{font-size:14px}.pm-match-diagram.compact{height:75px}.pm-given-pattern{padding:12px}.pm-workshop header,.pm-workshop-picture{padding:20px 16px}.pm-workshop footer{padding:18px 14px}.pm-workshop footer .ac-button{font-size:14px;padding:12px}.pm-rule-parts{gap:13px}.pm-rule-parts b{font-size:24px}.pm-rule-parts span{font-size:15px}.pm-equation{font-size:18px!important;padding:15px}.pm-sequence-table th,.pm-sequence-table td{padding:12px 9px}.pm-match-key{font-size:14px;gap:12px}.pm-calculation strong{font-size:26px}}

.bf-practice header>.pm-question-context{font-size:17px;line-height:1.7;margin:20px 0 10px;color:#415d80}.bf-practice:has(#pm-focus) #bf-question{margin-top:12px}