.lecture{--lc-bg:#fff;--lc-card:#f6f8f7;--lc-ink:#213c32;--lc-muted:#75847e;--lc-gold:#99773d;color:var(--lc-ink);font-family:inherit;color-scheme:light}.lecture button,.lecture-player button{cursor:pointer}.lecture button:disabled{opacity:.45;cursor:not-allowed}.lecture button:focus-visible,.lecture-player button:focus-visible,.library-controls :focus-visible{outline:2px solid #497a62;outline-offset:3px}.lecture-library{background:#fff;padding:28px;border:1px solid #e8eeea;border-radius:22px;margin-bottom:30px;min-width:0}.lecture h2{font-size:25px;line-height:1.25;font-weight:650;letter-spacing:-.6px}.lecture-kicker{font-size:11px;letter-spacing:1.4px;font-weight:650;color:var(--lc-gold);display:flex;align-items:center;gap:8px}.lecture-preview-strip{display:flex;align-items:center;gap:10px;background:#f0f6f2;color:#53725f;font-size:12px;line-height:1.7;padding:12px 16px;border:1px solid #e0ebe3;border-radius:12px;margin-bottom:20px}.lecture-week{display:grid;grid-template-columns:1fr 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span{font-size:10px;letter-spacing:1.3px;color:#7c8e80}.lecture-week-goal>span{font-size:10px;letter-spacing:1.3px;color:#829084}.lecture-week-goal strong{display:block;font-size:28px;margin:8px 0 14px}.lecture-week-goal>div{height:4px;background:#e1e9e2;border-radius:5px;overflow:hidden}.lecture-week-goal i{display:block;height:100%;background:#668872}.lecture-week-goal p{font-size:11px;margin-top:10px}.lecture-section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:30px 0 20px}.lecture-section-heading p{font-size:12px;color:var(--lc-muted);margin-top:7px}.lecture-section-heading>span{font-size:11px;color:var(--lc-muted)}.lecture-catalog>.lecture-section-heading .lecture-kicker{margin-bottom:8px}.lecture-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 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