.lesson-hero[data-astro-cid-cdhfwjfe]{border-block-end:1px solid var(--line);background:var(--paper-deep);padding-block:clamp(64px,8vw,104px)}.lesson-hero__meta[data-astro-cid-cdhfwjfe]{color:var(--teal-deep);margin-block-end:14px;font-size:.78rem;font-weight:800}.lesson-hero[data-astro-cid-cdhfwjfe] h1[data-astro-cid-cdhfwjfe]{letter-spacing:-.045em;text-wrap:balance;margin-block-end:18px;font-size:clamp(2.2rem,6vw,4.5rem)}.lesson-hero[data-astro-cid-cdhfwjfe]>div[data-astro-cid-cdhfwjfe]>p[data-astro-cid-cdhfwjfe]:last-child{max-width:680px;color:var(--ink-muted);margin:0;font-size:1rem;line-height:1.9}.lesson-content[data-astro-cid-cdhfwjfe]{padding-block:clamp(52px,8vw,96px)}.past-exam-note[data-astro-cid-cdhfwjfe]{border:1px solid var(--line-dark);border-radius:var(--radius-card);background:var(--teal-soft);margin-block:28px;padding:20px}.past-exam-note[data-astro-cid-cdhfwjfe] strong[data-astro-cid-cdhfwjfe]{color:var(--teal-deep)}.past-exam-note[data-astro-cid-cdhfwjfe] p[data-astro-cid-cdhfwjfe]{max-width:72ch;color:var(--ink-muted);text-wrap:pretty;margin:8px 0 0;line-height:1.8}.lesson-player[data-astro-cid-cdhfwjfe]{aspect-ratio:16/9;border:1px solid var(--line-dark);border-radius:var(--radius-card);background:var(--ink-strong);margin-block-end:16px;overflow:hidden}.lesson-player[data-astro-cid-cdhfwjfe] iframe[data-astro-cid-cdhfwjfe]{border:0;width:100%;height:100%}.lesson-video-note[data-astro-cid-cdhfwjfe]{color:var(--ink-muted);justify-content:space-between;gap:16px;margin:0 0 64px;font-size:.78rem;line-height:1.7;display:flex}.lesson-video-note[data-astro-cid-cdhfwjfe] a[data-astro-cid-cdhfwjfe]{color:var(--teal-deep);flex:none;font-weight:800}.lesson-block[data-astro-cid-cdhfwjfe]{border-block-start:1px solid var(--line);padding-block:42px}.lesson-block[data-astro-cid-cdhfwjfe] h2[data-astro-cid-cdhfwjfe]{margin-block-end:22px;font-size:clamp(1.6rem,3vw,2.4rem)}.lesson-block[data-astro-cid-cdhfwjfe] [data-astro-cid-cdhfwjfe]:is(ul,ol){gap:12px;margin:0;padding-inline-start:1.4rem;line-height:1.8;display:grid}.lesson-terms[data-astro-cid-cdhfwjfe]{gap:10px;margin:0;display:grid}.lesson-terms[data-astro-cid-cdhfwjfe] div[data-astro-cid-cdhfwjfe]{border:1px solid var(--line);background:var(--surface);grid-template-columns:minmax(160px,.4fr) minmax(0,1fr);gap:24px;padding:18px;display:grid}.lesson-terms[data-astro-cid-cdhfwjfe] dt[data-astro-cid-cdhfwjfe]{color:var(--ink-strong);font-weight:800}.lesson-terms[data-astro-cid-cdhfwjfe] dd[data-astro-cid-cdhfwjfe]{color:var(--ink-muted);margin:0;line-height:1.75}.lesson-transcript[data-astro-cid-cdhfwjfe]{border:1px solid var(--line-dark);background:var(--surface)}.lesson-transcript[data-astro-cid-cdhfwjfe] summary[data-astro-cid-cdhfwjfe]{min-block-size:58px;color:var(--ink-strong);cursor:pointer;align-items:center;padding:14px 18px;font-weight:800;display:flex}.lesson-transcript[data-astro-cid-cdhfwjfe]>div[data-astro-cid-cdhfwjfe]{color:var(--ink-muted);padding:0 20px 20px;line-height:1.9}.lesson-sources[data-astro-cid-cdhfwjfe]{border-block:1px solid var(--line);padding-block:30px}.lesson-sources[data-astro-cid-cdhfwjfe] h2[data-astro-cid-cdhfwjfe]{font-size:1rem}.lesson-sources[data-astro-cid-cdhfwjfe] ul[data-astro-cid-cdhfwjfe]{gap:8px;margin:14px 0 0;padding:0;list-style:none;display:grid}.lesson-sources[data-astro-cid-cdhfwjfe] li[data-astro-cid-cdhfwjfe]{justify-content:space-between;gap:18px;font-size:.78rem;display:flex}.lesson-sources[data-astro-cid-cdhfwjfe] li[data-astro-cid-cdhfwjfe] span[data-astro-cid-cdhfwjfe]{color:var(--ink-muted);white-space:nowrap}.lesson-quiz-link[data-astro-cid-cdhfwjfe]{margin-block-start:32px}.lesson-pagination[data-astro-cid-cdhfwjfe]{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-block-start:72px;display:grid}.lesson-pagination[data-astro-cid-cdhfwjfe]>div[data-astro-cid-cdhfwjfe]{border:1px solid var(--line-dark);background:var(--surface);padding:22px}.lesson-pagination[data-astro-cid-cdhfwjfe] span[data-astro-cid-cdhfwjfe]{color:var(--ink-muted);margin-block-end:8px;font-size:.7rem;font-weight:800;display:block}.lesson-pagination[data-astro-cid-cdhfwjfe] [data-astro-cid-cdhfwjfe]:is(a,p){color:var(--ink-strong);margin:0;font-size:.82rem;line-height:1.6}.lesson-pagination[data-astro-cid-cdhfwjfe] a[data-astro-cid-cdhfwjfe]{color:var(--teal-deep);font-weight:800}@media (width<=620px){.lesson-video-note[data-astro-cid-cdhfwjfe]{flex-direction:column;align-items:flex-start;gap:8px}.lesson-terms[data-astro-cid-cdhfwjfe] div[data-astro-cid-cdhfwjfe],.lesson-pagination[data-astro-cid-cdhfwjfe]{grid-template-columns:1fr}.lesson-sources[data-astro-cid-cdhfwjfe] li[data-astro-cid-cdhfwjfe]{flex-direction:column;align-items:flex-start;gap:4px}}