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a{color:var(--navy);font-weight:700;text-decoration:underline}@media (max-width:1080px){.ms-lesson .stagebar{grid-template-columns:repeat(3,1fr)}.ms-lesson .stage-btn:nth-child(3){border-right:0}}@media (max-width:900px){.ms-lesson .app{grid-template-columns:1fr}.ms-lesson .main{order:1}.ms-lesson .sidebar{border-radius:22px;order:2;height:auto;min-height:0;margin:18px 14px 0;position:static}.ms-lesson .hero{grid-template-columns:1fr}.ms-lesson .hero h1{font-size:34px}}@media (max-width:560px){.ms-lesson .stagebar{grid-template-columns:repeat(2,1fr)}.ms-lesson .stage-btn{border-right:0;border-bottom:1px solid var(--line)}.ms-lesson .content{padding:12px 14px 36px}.ms-lesson .topbar{height:auto;padding:12px 14px}}
