/* Lab: lowering-speed (lesson B5). Everything scoped under .lab--lowering-speed. */
.lab--lowering-speed .ls-part { display: grid; gap: var(--s-4); border-top: 1px solid var(--rule); padding-top: var(--s-5); }
.lab--lowering-speed .ls-title { font-size: var(--t-m); font-weight: 500; }
.lab--lowering-speed .ls-actions { display: flex; flex-wrap: wrap; gap: var(--s-3); }
.lab--lowering-speed .ls-chart, .lab--lowering-speed .ls-scene { max-width: 40rem; }
.lab--lowering-speed .ls-scene text { font-size: 18px; }