.lesson-page[data-astro-cid-tnv5zmwm]{min-height:65vh;color:var(--text,#172033);padding:28px 0 85px}.lesson-shell[data-astro-cid-tnv5zmwm]{width:min(1120px,100% - 40px);margin:auto}.lesson-breadcrumb[data-astro-cid-tnv5zmwm]{color:#8793a0;flex-wrap:wrap;gap:9px;font-size:13px;display:flex}.lesson-breadcrumb[data-astro-cid-tnv5zmwm] a[data-astro-cid-tnv5zmwm]{color:#0f766e;text-decoration:none}.lesson-hero[data-astro-cid-tnv5zmwm]{border-bottom:1px solid #e2e8f0;max-width:850px;padding:42px 0 32px}.lesson-kicker[data-astro-cid-tnv5zmwm]{color:#0f766e;letter-spacing:1.5px;font-size:11px;font-weight:800}.lesson-hero[data-astro-cid-tnv5zmwm] h1[data-astro-cid-tnv5zmwm]{letter-spacing:-1.8px;margin:14px 0;font-size:clamp(34px,5vw,52px);line-height:1.12}.lesson-hero[data-astro-cid-tnv5zmwm]>p[data-astro-cid-tnv5zmwm]{color:#64748b;font-size:17px;line-height:1.8}.lesson-meta[data-astro-cid-tnv5zmwm]{color:#94a3b8;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:12px;display:flex}.lesson-layout[data-astro-cid-tnv5zmwm]{grid-template-columns:minmax(0,760px) 250px;align-items:start;gap:55px;padding-top:34px;display:grid}.lesson-content[data-astro-cid-tnv5zmwm]{color:#475569;min-width:0;font-size:16px;line-height:1.9}.lesson-lead[data-astro-cid-tnv5zmwm]{color:var(--text,#172033);margin:0 0 25px;font-size:19px;font-weight:500;line-height:1.8}.lesson-figure[data-astro-cid-tnv5zmwm]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:15px;margin:0 0 34px;padding:12px}.lesson-figure[data-astro-cid-tnv5zmwm] img[data-astro-cid-tnv5zmwm]{object-fit:contain;width:100%;height:auto;max-height:460px;display:block}.lesson-figure[data-astro-cid-tnv5zmwm] figcaption[data-astro-cid-tnv5zmwm]{color:#64748b;text-align:center;padding:10px 4px 0;font-size:12px}.content-section[data-astro-cid-tnv5zmwm]{padding:8px 0 14px;scroll-margin-top:30px}.content-section[data-astro-cid-tnv5zmwm] h2[data-astro-cid-tnv5zmwm],.faq-section[data-astro-cid-tnv5zmwm] h2[data-astro-cid-tnv5zmwm],.video-section[data-astro-cid-tnv5zmwm] h2[data-astro-cid-tnv5zmwm]{letter-spacing:-.5px;color:var(--text,#172033);margin:22px 0 10px;font-size:25px;line-height:1.3}.content-section[data-astro-cid-tnv5zmwm] p[data-astro-cid-tnv5zmwm]{margin:0 0 16px}.lesson-aside-card[data-astro-cid-tnv5zmwm]{background:#fff;border:1px solid #e2e8f0;border-radius:13px;flex-direction:column;gap:12px;padding:18px;display:flex;position:sticky;top:22px}.lesson-aside-card[data-astro-cid-tnv5zmwm] strong[data-astro-cid-tnv5zmwm]{color:var(--text,#172033);margin-bottom:4px;font-size:14px}.lesson-aside-card[data-astro-cid-tnv5zmwm] a[data-astro-cid-tnv5zmwm]{color:#64748b;font-size:13px;line-height:1.5;text-decoration:none}.lesson-aside-card[data-astro-cid-tnv5zmwm] a[data-astro-cid-tnv5zmwm]:hover{color:#0f766e;text-decoration:underline}.video-section[data-astro-cid-tnv5zmwm]{padding-top:20px}.video-section[data-astro-cid-tnv5zmwm]>p[data-astro-cid-tnv5zmwm]{font-size:14px}.video-frame[data-astro-cid-tnv5zmwm]{aspect-ratio:16/9;background:#0f172a;border-radius:14px;position:relative;overflow:hidden}.video-frame[data-astro-cid-tnv5zmwm] iframe[data-astro-cid-tnv5zmwm]{border:0;width:100%;height:100%;position:absolute;inset:0}.video-credit[data-astro-cid-tnv5zmwm]{color:#64748b;font-size:12px!important}.video-credit[data-astro-cid-tnv5zmwm] a[data-astro-cid-tnv5zmwm]{color:#0f766e}.faq-section[data-astro-cid-tnv5zmwm]{padding-top:16px}.faq-section[data-astro-cid-tnv5zmwm] details[data-astro-cid-tnv5zmwm]{border-bottom:1px solid #e2e8f0;padding:14px 0}.faq-section[data-astro-cid-tnv5zmwm] summary[data-astro-cid-tnv5zmwm]{cursor:pointer;color:var(--text,#172033);font-weight:700}.faq-section[data-astro-cid-tnv5zmwm] details[data-astro-cid-tnv5zmwm] p[data-astro-cid-tnv5zmwm]{margin:10px 0 0;font-size:14px}.lesson-disclaimer[data-astro-cid-tnv5zmwm]{background:#f0fdfa;border-left:4px solid #0f766e;border-radius:0 10px 10px 0;margin-top:35px;padding:20px}.lesson-disclaimer[data-astro-cid-tnv5zmwm] strong[data-astro-cid-tnv5zmwm]{color:var(--text,#172033)}.lesson-disclaimer[data-astro-cid-tnv5zmwm] p[data-astro-cid-tnv5zmwm]{margin:6px 0 0;font-size:13px;line-height:1.75}.lesson-next[data-astro-cid-tnv5zmwm]{flex-wrap:wrap;justify-content:space-between;gap:14px;margin-top:28px;display:flex}.lesson-next[data-astro-cid-tnv5zmwm] a[data-astro-cid-tnv5zmwm]{color:#0f766e;font-size:13px;font-weight:700;text-decoration:none}html[data-theme=dark] .lesson-hero[data-astro-cid-tnv5zmwm]>p[data-astro-cid-tnv5zmwm],html[data-theme=dark] .lesson-content[data-astro-cid-tnv5zmwm]{color:#cbd5e1}html[data-theme=dark] .lesson-figure[data-astro-cid-tnv5zmwm],html[data-theme=dark] .lesson-aside-card[data-astro-cid-tnv5zmwm]{background:#172333;border-color:#334155}html[data-theme=dark] .lesson-figure[data-astro-cid-tnv5zmwm] figcaption[data-astro-cid-tnv5zmwm],html[data-theme=dark] .lesson-aside-card[data-astro-cid-tnv5zmwm] a[data-astro-cid-tnv5zmwm]{color:#cbd5e1}html[data-theme=dark] .lesson-disclaimer[data-astro-cid-tnv5zmwm]{background:#102c2a}html[data-theme=dark] .lesson-disclaimer[data-astro-cid-tnv5zmwm] p[data-astro-cid-tnv5zmwm]{color:#cbd5e1}html[data-theme=dark] .lesson-hero[data-astro-cid-tnv5zmwm],html[data-theme=dark] .faq-section[data-astro-cid-tnv5zmwm] details[data-astro-cid-tnv5zmwm]{border-color:#334155}@media (width<=850px){.lesson-layout[data-astro-cid-tnv5zmwm]{grid-template-columns:1fr;gap:25px}.lesson-aside[data-astro-cid-tnv5zmwm]{order:-1}.lesson-aside-card[data-astro-cid-tnv5zmwm]{grid-template-columns:1fr 1fr;display:grid;position:static}.lesson-aside-card[data-astro-cid-tnv5zmwm] strong[data-astro-cid-tnv5zmwm]{grid-column:1/-1}}@media (width<=560px){.lesson-shell[data-astro-cid-tnv5zmwm]{width:calc(100% - 30px)}.lesson-hero[data-astro-cid-tnv5zmwm]{padding:32px 0 25px}.lesson-lead[data-astro-cid-tnv5zmwm]{font-size:17px}.lesson-aside-card[data-astro-cid-tnv5zmwm]{grid-template-columns:1fr}}