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1fr}}.desk-pane.desk-new{overscroll-behavior:contain;overflow-y:auto}.desk-pane.desk-new .desk-pane-body{flex:none;overflow:visible}.desk-tg .my-rep-tg-hint:not(.warn),.desk-composer.reply .rep-files>.rep-files-hint{display:none}@media (max-width:700px){.desk-pane-title>b{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.98rem;display:-webkit-box;overflow:hidden}.desk-pane-head{gap:6px;padding:8px}}@media (max-width:480px){.topbar-desk{display:none}}.desk-where-hint,.desk-where-warn{color:var(--muted);font-size:.8rem}.desk-where-warn{color:var(--accent)}
.vocab-box{border-top:1px solid var(--line);margin-top:58px;padding-top:35px}.vocab-box>h2,.vocab-section h2{color:var(--ink);align-items:center;gap:10px;margin:10px 0 20px;font-size:31px;font-weight:400;display:flex}.vocab-box>h2 svg,.vocab-section h2 svg{color:var(--brand);flex-shrink:0}.vocab-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:14px;display:grid}.vocab-card{border:1px solid var(--line);border-top:3px solid var(--brand);background:var(--surface);border-radius:14px;align-content:start;gap:8px;padding:16px 18px;display:grid}.vocab-card-terms{flex-wrap:wrap;align-items:baseline;gap:6px 12px;display:flex}.vocab-bn{color:var(--ink);font-size:1.4rem;font-weight:400;line-height:1.4}.vocab-bn.big{text-align:center;font-size:clamp(2rem,6vw,2.8rem)}.vocab-en{color:var(--phy-vector);font-size:1.1rem}.vocab-page{border:1px solid var(--line-strong);color:var(--muted);border-radius:99px;margin-left:auto;padding:2px 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.g-sheet{--g-gap:18px}.g-lecture-no{color:var(--brand)}.g-en{color:var(--dim)!important;margin-top:6px!important;font-size:1rem!important}.g-part-label{color:var(--brand);align-items:center;gap:8px;margin:0 0 14px;font-size:1.05rem;font-weight:700;display:flex}.g-part-label span{color:var(--dim);font-size:.95rem;font-weight:400}.g-part-tag{border:1px solid var(--line-strong);color:var(--dim);border-radius:999px;margin:0 0 8px;padding:1px 10px;font-size:.85rem;display:inline-block}.g-flash{animation:1.4s ease-out g-flash}@keyframes g-flash{0%{box-shadow:0 0 0 3px var(--brand);border-radius:14px}to{box-shadow:0 0 #0000}}.g-hook{border:1px solid var(--line);background:var(--paper);border-radius:18px;margin:0 0 40px;padding:22px}.g-hook-grid{align-items:center;gap:22px;display:grid}.g-hook-text h2{margin:0 0 10px;font-size:clamp(1.45rem,2.4vw,1.9rem);line-height:1.4}.g-hook-text>p{color:var(--muted);margin:0 0 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(min-width:900px){.g-hook-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}}.g-map{border:1px solid var(--line);background:var(--paper);text-align:center;border-radius:18px;margin:0 0 48px;padding:22px}.g-map .g-part-label{justify-content:center}.g-map-root{border:2px solid var(--brand);background:var(--brand-soft);color:var(--ink);border-radius:14px;flex-direction:column;gap:2px;padding:12px 26px;font-size:1.25rem;font-weight:700;display:inline-flex}.g-map-root span{color:var(--brand);font-size:.9rem;font-weight:600}.g-map-rail{background:var(--line-strong);width:2px;height:22px;margin:0 auto}.g-map-branches{border-top:2px solid var(--line-strong);grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin:0;padding:18px 0 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a{color:var(--muted);font-size:.98rem;text-decoration:none}.g-map-subs a:hover{color:var(--brand)}.g-map-tail{border-top:1px dashed var(--line);flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px;padding-top:14px;display:flex}.g-map-tail a{border:1px solid var(--line-strong);color:var(--muted);border-radius:999px;padding:6px 14px;font-size:1rem;text-decoration:none}.g-map-tail a:hover{border-color:var(--info);color:var(--info)}.g-concepts{gap:64px;display:grid}.g-concept{gap:22px;scroll-margin-top:90px;display:grid}.g-concept-head h2 small{color:var(--dim);font-size:.62em;font-weight:400}.g-explain .lecture-explanation{font-size:1.15rem;line-height:1.9}.g-steps{border:1px solid var(--line);background:var(--well,var(--surface));border-radius:12px;margin:6px 0 16px;padding:12px 16px}.g-steps-title{color:var(--ink);margin:0 0 8px;font-weight:700}.g-steps ol{gap:8px;margin:0;padding-left:22px;display:grid}.g-steps li{color:var(--text);font-size:1.1rem;line-height:1.75}.g-steps 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