.lesson-highlight{color:var(--ink);background:linear-gradient(transparent 12%,#fff0a8 12%,#fff0a8 91%,transparent 91%);padding:0 .12em;font-weight:650;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.lesson-chapters{display:flex;flex-wrap:wrap;gap:8px;border-block:1px solid var(--line);padding:16px 0;margin-bottom:48px}
.lesson-chapters button{display:flex;align-items:center;gap:8px;min-height:44px;border:0;background:transparent;border-radius:8px;padding:8px 12px;font-size:14px;color:var(--ink)}
.lesson-chapters button:hover{background:var(--wash)}
.lesson-chapters button span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--wash);color:var(--blue);font-size:12px}
.beginner-intro{display:grid;grid-template-columns:300px minmax(0,720px);gap:64px;align-items:start;padding:8px 0 48px}
.beginner-intro-heading h2{font-size:30px;line-height:1.45}
.beginner-intro-heading>.small{margin-top:24px;line-height:1.8}
.beginner-intro .eyebrow{letter-spacing:.02em;margin-bottom:16px}
.beginner-prose p,.beginner-content p{font-size:17px;line-height:1.95;letter-spacing:-.012em}
.beginner-prose p+p{margin-top:20px}
.beginner-terms{padding:32px;background:var(--wash);border-radius:16px;margin-bottom:40px}
.beginner-terms .section-bar{border:0;padding:0;margin:0 0 24px}
.beginner-terms h2{font-size:24px}
.beginner-terms dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 40px;margin:0}
.beginner-terms dl>div{border-top:1px solid var(--line);padding-top:16px}
.beginner-terms dt{font-size:18px;font-weight:700;margin-bottom:8px}
.beginner-terms dd{margin:0;font-size:15px;line-height:1.8}
.beginner-terms .term-example{font-size:14px;color:var(--muted);margin-top:8px}
.term-example>span{font-weight:600;color:var(--ink)}
.beginner-walkthrough{border:1px solid var(--line);border-radius:16px;background:var(--surface);padding:20px 24px;margin:32px 0 24px}
.beginner-walkthrough summary{font-size:17px;font-weight:650;min-height:44px;padding:10px 0;cursor:pointer;line-height:1.7}
.beginner-walkthrough ol{list-style:none;counter-reset:walk;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:20px 0 8px;padding:0}
.beginner-walkthrough li{counter-increment:walk;padding-top:16px;border-top:1px solid var(--line)}
.beginner-walkthrough li:before{content:'0' counter(walk);display:block;color:var(--blue);font-weight:700;font-size:14px;margin-bottom:12px}
.beginner-walkthrough li>strong{font-size:16px;font-weight:650;line-height:1.8;display:block}
.beginner-walkthrough li>p{font-size:14px;margin-top:12px;line-height:1.85;color:var(--muted)}
.beginner-walkthrough li>p>span{display:block;font-size:12px;font-weight:650;color:var(--ink);margin-bottom:4px}
.beginner-content .eyebrow{font-size:12px;line-height:1.5;letter-spacing:.08em}
.principle-section{margin:24px 0 48px}
.principle-section .principle-number{color:var(--blue);font-size:12px;font-weight:650;letter-spacing:.08em;margin:0 0 12px}
.principle-section h2{font-size:28px;margin:0 0 24px;line-height:1.5}
.principle-section p+p{margin-top:20px}
.worked-example{padding:32px;background:var(--pale-blue,#eaf0ff);border:1px solid #cbd8f5;border-radius:16px;margin:48px 0}
.worked-example h2{font-size:24px;line-height:1.5;margin-bottom:12px}
.worked-example .small{font-size:13px;color:var(--muted)}
.worked-example ol{padding-left:24px;margin:24px 0}
.worked-example li{font-size:16px;line-height:1.9;padding-left:8px;margin:16px 0}
.worked-example .example-conclusion{font-weight:600;font-size:16px;border-top:1px solid #cbd8f5;padding-top:20px}
.beginner-misconceptions{margin:48px 0}
.beginner-misconceptions h2,.beginner-summary h2{font-size:26px;margin-bottom:24px}
.beginner-misconceptions>div{padding:20px 0;border-top:1px solid var(--line)}
.beginner-misconceptions h3{font-size:18px;line-height:1.6;margin-bottom:12px}
.beginner-misconceptions h3>span{display:block;font-size:12px;color:var(--orange,#ae491f);margin-bottom:4px}
.beginner-summary{padding:32px;background:#fff9dd;border:1px solid #ece0a5;border-radius:16px;margin:40px 0}
.beginner-summary .eyebrow{color:#75601d;margin-bottom:12px}
.beginner-summary ol{margin:0;padding-left:24px}
.beginner-summary li{padding-left:8px;font-size:17px;line-height:1.9;margin:16px 0}
.beginner-content .notice{margin:40px 0}
.beginner-content .notice p{font-size:15px}
.beginner-content>h2{font-size:26px;margin:32px 0 20px}
.lesson-company-connections{margin:48px 0;padding-top:32px;border-top:1px solid var(--line)}
.lesson-company-connections h2{font-size:26px;margin-bottom:16px}
.lesson-company-connections>p:not(.eyebrow){font-size:15px;color:var(--muted)}
.lesson-company-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}
.lesson-company-list a{display:grid;gap:12px;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.lesson-company-list strong{font-size:16px;display:flex;justify-content:space-between;gap:12px}
.lesson-company-list a>span{font-size:14px;line-height:1.75;color:var(--muted)}
.lesson-company-list a:hover{border-color:var(--blue)}
.industry-primer{margin-bottom:48px}
.industry-primer>h2{font-size:28px;margin-bottom:20px}
.industry-primer>p{font-size:17px;line-height:1.9;max-width:900px}
.industry-role-map{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:32px}
.industry-role-map button{display:grid;align-content:start;text-align:left;gap:12px;padding:24px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:12px}
.industry-role-map button:hover{border-color:var(--blue);background:var(--pale-blue,#eaf0ff)}
.industry-role-map button>span{font-size:12px;font-weight:650;color:var(--blue)}
.industry-role-map strong{font-size:18px}
.industry-role-map small{font-size:14px;color:var(--muted);line-height:1.7}
.industry-role-map b{font-size:12px;color:var(--blue);font-weight:600;margin-top:8px}
.company-filter-panel{display:grid;grid-template-columns:minmax(240px,1fr) 200px 170px auto;gap:16px;align-items:end;background:var(--wash);padding:24px;border-radius:16px}
.company-filter-panel label{display:grid;gap:8px;font-size:13px}
.company-filter-panel input,.company-filter-panel select{width:100%;min-height:48px;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-size:14px}
.company-result-count{font-size:14px;color:var(--muted);padding:20px 0;min-height:64px}
.company-lesson-filter{display:flex;align-items:center;gap:16px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:16px 0;font-size:14px}
.company-comparison{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:8px 0 32px}
.company-compare-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}
.company-compare-heading strong{font-size:16px}
.company-compare-heading p{font-size:12px;color:var(--muted);margin-top:8px}
.company-compare-heading>div:last-child{display:flex;gap:8px;flex-wrap:wrap}
.company-comparison-scroll{overflow:auto;margin-top:24px;max-width:100%}
.company-comparison table{width:100%;min-width:680px;border-collapse:collapse;table-layout:fixed;text-align:left;font-size:14px}
.company-comparison caption{text-align:left;padding:12px 0;font-size:14px;font-weight:650}
.company-comparison th,.company-comparison td{padding:16px;border:1px solid var(--line);vertical-align:top;line-height:1.8;word-break:keep-all;overflow-wrap:anywhere}
.company-comparison thead,.company-comparison tbody th{background:var(--wash)}
.company-comparison th:first-child{width:140px;font-size:13px}
.company-comparison a{color:var(--blue);display:inline-block;padding:4px 0}
.company-category{margin:40px 0}
.company-category .section-bar{margin:0 0 24px;padding-top:24px}
.company-category .section-bar h2{font-size:28px;margin-bottom:8px}
.company-category .section-bar p{font-size:14px;color:var(--muted)}
.robot-company-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.robot-company-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column}
.company-card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin-bottom:12px}
.company-card-top label{display:flex;align-items:center;gap:8px;min-height:44px;cursor:pointer;color:var(--ink)}
.company-card-top input{width:18px;height:18px;accent-color:var(--blue)}
.robot-company-card h3{font-size:24px;line-height:1.4}
.robot-company-card h3 a{display:flex;align-items:start;justify-content:space-between;gap:12px}
.robot-company-card h3 span{font-size:18px;color:var(--blue)}
.company-english{font-size:12px;color:var(--muted);line-height:1.6;margin-top:8px}
.company-role{font-size:16px;line-height:1.8;margin:20px 0}
.company-products{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:24px}
.company-products>span{display:block;color:var(--ink);font-size:12px;font-weight:650;margin-bottom:4px}
.company-linked-lessons{display:grid;gap:8px;margin-top:auto}
.company-lesson-link{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 12px;background:var(--wash);font-size:12px;line-height:1.6;border-radius:8px}
.company-lesson-link span{color:var(--blue);font-weight:650;flex-shrink:0}
.industry-evidence-guide{border-top:1px solid var(--line);padding-top:40px;margin:56px 0 0}
.industry-evidence-guide h2{font-size:28px;margin-bottom:24px}
.industry-evidence-guide>div{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:24px 0}
.industry-evidence-guide article{background:var(--wash);border-radius:12px;padding:20px}
.industry-evidence-guide article>span{font-size:12px;font-weight:650;color:var(--blue)}
.industry-evidence-guide h3{font-size:18px;margin:12px 0}
.industry-evidence-guide article p{font-size:14px;color:var(--muted)}
.industry-evidence-guide>.button{margin-top:24px}
.company-profile-heading .company-english{font-size:17px;margin-top:16px}
.company-profile-heading .company-profile-role{font-size:22px;line-height:1.7;max-width:840px;margin-top:24px}
.company-profile-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(240px,1fr);gap:64px;align-items:start}
.company-profile-content>section{margin-bottom:48px}
.company-profile-content h2{font-size:26px;margin:0 0 24px;line-height:1.5}
.company-profile-content p{font-size:17px;line-height:1.95;margin:16px 0}
.company-product-list{margin:0}
.company-product-list>div{border-block-start:1px solid var(--line);padding:24px 0}
.company-product-list dt{font-size:18px;font-weight:650;margin-bottom:8px}
.company-product-list dd{font-size:16px;line-height:1.9;margin:0;color:var(--muted)}
.company-evidence-note{padding:28px;background:var(--wash);border-radius:16px}
.company-evidence-note p{margin-bottom:0}
.company-watchpoints{padding-left:24px;font-size:17px;line-height:1.95}
.company-watchpoints li{padding-left:8px;margin:16px 0}
.company-source-section>p{font-size:15px;color:var(--muted)}
.company-source-section article{border-top:1px solid var(--line);padding:24px 0}
.company-source-section h3{font-size:18px;color:var(--blue);line-height:1.7}
.company-source-section article p{font-size:15px;margin:12px 0}
.company-source-section article .small{font-size:12px;color:var(--muted)}
.company-profile-aside{position:sticky;top:112px}
.company-profile-aside h2{font-size:24px;margin-bottom:20px}
.company-profile-aside>.button{margin:24px 0 16px;width:100%}
.company-profile-aside>.text-link{display:block;margin-bottom:24px}
.company-profile-aside .company-lesson-link{font-size:14px}
@media(max-width:1100px){.beginner-intro{grid-template-columns:240px minmax(0,1fr);gap:40px}.industry-role-map{grid-template-columns:repeat(3,minmax(0,1fr))}.robot-company-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.company-filter-panel{grid-template-columns:1fr 1fr}.company-filter-panel>label:first-child{grid-column:1/-1}.company-profile-layout{gap:32px}.industry-evidence-guide>div{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:900px){.beginner-intro{grid-template-columns:1fr;gap:24px}.beginner-intro-heading h2 br{display:none}.beginner-intro-heading>.small{margin-top:12px}.beginner-walkthrough ol{grid-template-columns:1fr;gap:16px}.beginner-walkthrough li>strong{font-size:17px}.company-profile-layout{grid-template-columns:1fr}.company-profile-aside{position:static}.company-compare-heading{display:grid;gap:16px}}
@media(max-width:600px){.lesson-chapters{margin-bottom:32px;gap:4px;padding:12px 0}.lesson-chapters button{font-size:12px;padding:8px;gap:6px}.lesson-chapters button span{width:20px;height:20px}.beginner-intro{padding-bottom:32px}.beginner-intro-heading h2{font-size:26px}.beginner-prose p,.beginner-content p{font-size:16px;line-height:1.95}.beginner-terms{padding:20px;margin-bottom:24px}.beginner-terms .section-bar{display:block}.beginner-terms h2{font-size:22px;margin-bottom:12px}.beginner-terms dl{grid-template-columns:1fr;gap:24px}.beginner-walkthrough{padding:16px 20px}.beginner-walkthrough summary{font-size:16px}.principle-section h2{font-size:24px}.worked-example,.beginner-summary{padding:24px 20px;margin:32px 0}.worked-example h2,.beginner-summary h2,.beginner-misconceptions h2{font-size:22px}.worked-example li,.beginner-summary li{font-size:16px;padding-left:4px}.lesson-company-list{grid-template-columns:1fr}.lesson-company-connections h2{font-size:24px}.industry-primer>h2,.industry-evidence-guide>h2{font-size:24px}.industry-primer>p{font-size:16px}.industry-role-map{grid-template-columns:1fr 1fr;gap:12px}.industry-role-map button{padding:16px;gap:8px}.industry-role-map strong{font-size:16px}.industry-role-map small{font-size:13px}.company-filter-panel{grid-template-columns:1fr;padding:20px}.company-filter-panel>label:first-child{grid-column:auto}.robot-company-grid{grid-template-columns:1fr}.company-category .section-bar{display:block}.company-category .section-bar h2{font-size:24px}.company-category .section-bar>.small{display:block;margin-top:12px}.company-comparison{padding:20px}.company-comparison table{min-width:640px}.company-comparison th,.company-comparison td{padding:12px}.company-comparison th:first-child{width:120px}.industry-evidence-guide>div{grid-template-columns:1fr}.industry-evidence-guide article{display:grid;grid-template-columns:24px 1fr;gap:8px 12px}.industry-evidence-guide h3{margin:0}.industry-evidence-guide article p{grid-column:2}.company-profile-heading .company-profile-role{font-size:19px}.company-profile-content h2{font-size:24px}.company-profile-content p,.company-watchpoints{font-size:16px}.company-profile-content>section{margin-bottom:32px}.company-evidence-note{padding:20px}}
@media print{.lesson-chapters,.company-filter-panel,.company-card-top label,.company-comparison,.beginner-walkthrough{display:none}.lesson-highlight{background:#fff0a8;print-color-adjust:exact;-webkit-print-color-adjust:exact}.lesson-reading,.company-profile-layout{display:block}.lesson-aside,.company-profile-aside{position:static}.beginner-content{max-width:none}}