.cover-route{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.cover .figure-open img{max-height:260px}.chapter-correction{margin-top:20px;padding:14px 18px;border-left:3px solid var(--blue);background:#f0f4ff;font-size:14px;line-height:1.8}.chapter-correction strong{font-size:12px;color:var(--blue)}.chapter-correction p{margin:5px 0 0}.original-transcript pre{white-space:pre-wrap;font:13px/1.8 var(--mono);max-height:430px;overflow:auto;padding:16px;background:#f5f7fb}.slide-body>.table-wrap{margin-top:22px}.figure-lesson+[data-code]{margin-top:20px}.text-lesson .teaching-points p{font-size:20px}.cover h1{font-size:58px}.original-transcript{color:var(--muted)}.reading .original-transcript pre{max-height:none}@media(max-width:600px){.cover-route{grid-template-columns:1fr 1fr}.cover h1{font-size:42px}.text-lesson .teaching-points p{font-size:16px}.chapter-correction{padding:12px;font-size:13px}.cover .original-figure{display:none}}