.lecture-heading{max-width:850px;margin:38px 0 30px}.lecture-heading h1{font-size:clamp(30px,3.5vw,46px);line-height:1.15;margin:16px 0 24px}.lecture-heading .intro{max-width:780px;font-size:18px;line-height:1.6}.lecture-answer{max-width:800px;padding:26px 30px;background:var(--blue);border-left:5px solid var(--rust);margin:30px 0}.lecture-answer h2{font-size:24px;margin:0 0 12px}.lecture-answer p{font-size:18px;line-height:1.65;margin:0}.lecture-table{width:100%;max-width:800px;table-layout:fixed;border-collapse:collapse;margin:30px 0 48px;font-size:16px;line-height:1.5}.lecture-table caption{text-align:left;font-weight:700;margin:0 0 15px;font-size:20px}.lecture-table th,.lecture-table td{padding:15px 18px;border-bottom:1px solid #b3c3cd;overflow-wrap:anywhere;vertical-align:top;text-align:left}.lecture-table thead th{background:var(--ink);color:white}.lecture-table th:first-child{width:38%}.lecture-table tbody th{font-weight:600;background:#e9f0f3}.lecture-shell .article-content{min-width:0}.lecture-shell .article-content section{scroll-margin-top:32px}.lecture-source-inline{font-size:14px;color:var(--muted);line-height:1.6}.lecture-shell .lecture-sources p,.lecture-sources li{font-size:15px;line-height:1.7}.lecture-sources ul{padding-left:22px}.lecture-sources li{margin-bottom:16px}.lecture-list{max-width:940px}.lecture-list>article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:40px;border-top:1px solid #b3c3cd;padding:32px 0}.lecture-list h2{grid-column:1;grid-row:2/4;font-size:28px;line-height:1.25;margin:12px 0}.lecture-list .tag{grid-column:1;grid-row:1;margin:0}.lecture-list p:not(.tag){grid-column:2;grid-row:2;margin:12px 0;font-size:17px;line-height:1.6}.lecture-list .text-link{grid-column:2;grid-row:3;justify-self:start}.lecture-origin{max-width:800px;padding:28px;background:var(--blue);line-height:1.7}.lecture-shell .article-toc{position:sticky;top:25px;align-self:start}.lecture-shell a:focus-visible{outline:3px solid var(--rust);outline-offset:4px}
@media(max-width:820px){.lecture-shell .article-toc{position:static}.lecture-list>article{display:block}.lecture-list h2{margin:14px 0}.lecture-heading{margin-top:28px}}
@media(max-width:480px){.lecture-answer{padding:20px}.lecture-table{font-size:15px}.lecture-table th,.lecture-table td{padding:12px 10px}.lecture-table th:first-child{width:40%}.lecture-heading h1{font-size:31px}.lecture-list h2{font-size:25px}}

.lecture-opening{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:28px;max-width:980px;align-items:start;margin:28px 0 40px}
.lecture-opening .lecture-answer{margin:0;padding:22px 24px}.lecture-opening .lecture-answer p{font-size:17px;line-height:1.6}
.lecture-illustration{margin:0;min-width:0}.lecture-illustration a,.lecture-thumb{display:block}.lecture-illustration img,.lecture-thumb img{display:block;width:100%;height:auto}.lecture-illustration figcaption{font-size:14px;line-height:1.6;margin-top:10px;color:var(--ink)}.lecture-illustration figcaption span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.lecture-list{max-width:1080px}.lecture-list>article{grid-template-columns:minmax(160px,.75fr) minmax(0,1.2fr) minmax(0,1fr);gap:0 28px;align-items:start}.lecture-list .lecture-thumb{grid-column:1;grid-row:1/4;position:relative}.lecture-thumb span{position:absolute;left:8px;bottom:8px;background:#f5efe3;color:#263c48;font-size:12px;padding:3px 7px}.lecture-list .tag{grid-column:2}.lecture-list h2{grid-column:2;font-size:25px}.lecture-list p:not(.tag){grid-column:3}.lecture-list .text-link{grid-column:3}
.lecture-schema{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;margin:36px 0 44px;padding:24px 0;border-top:1px solid #b3c3cd;border-bottom:1px solid #b3c3cd;align-items:start}.lecture-schema>a{display:block}.lecture-schema img{display:block;width:100%;height:auto}.lecture-schema figcaption{min-width:0}.lecture-schema h3{font-size:21px;line-height:1.3;margin:10px 0 18px}.lecture-schema .tag{font-size:12px;margin:0}.lecture-schema ol{padding-left:25px;margin:0}.lecture-shell .lecture-schema li{font-size:16px;line-height:1.6;margin-bottom:10px}.lecture-schema li::marker{font-weight:700;color:#263c48}.lecture-shell .lecture-schema .small{font-size:13px;line-height:1.6;margin:18px 0 0}
@media(max-width:900px){.lecture-list>article{display:grid;grid-template-columns:170px minmax(0,1fr)}.lecture-list .lecture-thumb{grid-row:1/5}.lecture-list .tag{grid-row:1;grid-column:2}.lecture-list h2{grid-row:2;grid-column:2}.lecture-list p:not(.tag){grid-row:3;grid-column:2}.lecture-list .text-link{grid-row:4;grid-column:2}}
@media(max-width:680px){.lecture-opening{display:block}.lecture-opening .lecture-answer{margin-bottom:24px}.lecture-schema{display:block}.lecture-schema>a{margin-bottom:22px}.lecture-schema h3{font-size:22px}.lecture-illustration figcaption{font-size:14px}.lecture-opening .lecture-answer p{font-size:18px}}
@media(max-width:560px){.lecture-list>article{display:block}.lecture-list .lecture-thumb{margin-bottom:20px}.lecture-list h2{font-size:25px}.lecture-list .tag{margin-top:18px}.lecture-schema{padding:20px 0}}