.lesson-heading{max-width:980px}.lesson-heading h1{font-size:clamp(34px,4.5vw,56px);max-width:950px}.lesson-author{font-size:20px;color:var(--muted)}.lesson-meta{display:flex;flex-wrap:wrap;align-items:center;gap:24px;font-size:12px;color:var(--muted);margin:20px 0 28px}.lesson-meta button{margin-left:auto;min-height:44px;padding:10px 18px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink)}.lesson-meta button[aria-pressed=true]{background:#faeeee;color:var(--coral);border-color:#d6a7a0}.player{position:relative;aspect-ratio:16/9;background:#101d30;border-radius:24px;overflow:hidden}.player-poster{width:100%;height:100%;object-fit:cover;opacity:.4}.player-start{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;color:white}.player-start button{display:flex;align-items:center;gap:18px;padding:18px 28px;border:0;border-radius:14px;background:white;color:var(--navy);font-weight:800}.player-start p{font-size:13px;margin-top:16px}.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.player-caption{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);margin:16px 0}.player-caption a{text-decoration:underline;text-underline-offset:3px}.save-status{font-size:12px;color:var(--muted);min-height:20px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:80px}.lesson-topics{padding-left:22px;color:var(--muted)}.lesson-topics li{margin:14px 0}.lesson-topics li::marker{color:var(--coral)}.lecturer{align-self:start;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#faf6f3}.lecturer>img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;object-position:43% 20%}.lecturer>div{padding:28px}.lecturer p{font-size:14px;color:var(--muted)}.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:28px}.related article{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.related img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.related article a>div{padding:24px}.related h3{font-size:19px}.related p{font-size:13px;color:var(--muted)}@media(max-width:720px){.lesson-layout,.related{grid-template-columns:1fr;gap:28px}.lesson-meta{gap:12px}.lesson-meta button{margin-left:0}.player{border-radius:12px}.player-start button{padding:12px 18px;font-size:13px}.player-caption{flex-direction:column;gap:8px}.header-row nav{order:initial;width:auto;border:0}.header-back{display:none}.lecturer{max-width:420px}}
.related-dpo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:28px 0}.related-dpo-card{display:flex;flex-direction:column;padding:28px;border:1px solid #eadfdb;border-radius:20px;background:#faf1ed;min-width:0}.related-dpo-card h3{font-size:21px}.related-dpo-card p{font-size:14px;color:var(--muted)}.related-dpo-card>div{margin-top:auto;padding-top:16px;border-top:1px solid #eadfdb;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}.related-dpo-card strong{font-size:23px;white-space:nowrap}.related-dpo-card .plain{font-size:12px}.related-dpo-card h3 a:hover{text-decoration:underline;text-underline-offset:4px}@media(max-width:900px){.related-dpo-grid{grid-template-columns:1fr}}

.after-video{display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);font-size:13px}.after-video span{color:var(--muted)}.after-video a{min-height:44px;display:inline-flex;align-items:center;font-weight:700;color:var(--coral)}.recommendation-intro{max-width:850px}.fmf-offer{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);border:1px solid #e4cec7;border-radius:24px;overflow:hidden;background:#faf1ed;margin-top:32px}.offer-content{padding:40px}.offer-content h3{font-size:28px;line-height:1.25;margin:16px 0 24px}.offer-label{font-size:12px;font-weight:800;color:var(--coral)}.same-author{display:flex;align-items:center;gap:14px;margin-bottom:28px}.same-author img{width:60px;height:60px;border-radius:50%;object-fit:cover;object-position:43% 20%}.same-author p{margin:0;font-size:13px}.same-author span,.same-author strong{display:block}.same-author span{color:var(--muted);margin-top:4px}.learning-bridge{display:grid;grid-template-columns:1fr 1fr;gap:24px;border-top:1px solid #e4cec7;padding-top:24px}.learning-bridge span{font-size:11px;font-weight:800;color:var(--coral)}.learning-bridge p{font-size:14px;margin-top:10px}.offer-benefits{padding-left:20px;font-size:14px;margin-bottom:0}.offer-benefits li{margin:10px 0}.offer-benefits li::marker{color:var(--coral)}.offer-decision{padding:36px;background:#fff9;border-left:1px solid #e4cec7;display:flex;flex-direction:column;justify-content:center}.offer-price{font-size:38px;line-height:1.2;letter-spacing:-.04em;white-space:nowrap;display:block}.offer-price small{font-size:16px;font-weight:500;letter-spacing:0}.price-caption{font-size:12px;color:var(--muted);margin-top:8px}.offer-decision dl{margin:24px 0}.offer-decision dl>div{border-top:1px solid var(--line);padding:10px 0}.offer-decision dt{font-size:12px;color:var(--muted)}.offer-decision dd{font-size:14px;font-weight:700;margin:4px 0 0}.offer-decision .help,.plus-decision .help{margin-top:12px}.offer-decision .button,.plus-decision .button{font-size:13px}.other-dpo{border:1px solid var(--line);border-radius:16px;margin-top:24px;padding:0 24px}.other-dpo summary{padding:20px 0;min-height:60px;display:flex;justify-content:space-between;gap:20px;font-weight:700;font-size:14px}.other-course-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-bottom:24px}.other-course-grid article{border-top:1px solid var(--line);padding-top:20px}.other-course-grid p{font-size:14px;color:var(--muted)}.other-course-grid strong{display:block}.plus-offer{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;margin-top:32px;align-items:center}.plus-material{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden}.plus-material img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.plus-material>div{padding:28px}.plus-material h3{font-size:26px;margin:12px 0}.plus-material p,.plus-decision>p{font-size:14px;color:var(--muted)}.plus-decision>p{margin-top:20px}.continue-series{display:flex;flex-wrap:wrap;gap:12px 28px;border-top:1px solid var(--line);padding-top:24px;margin-top:28px;font-size:13px}.continue-series span{color:var(--muted)}.continue-series a{color:var(--coral);min-height:44px;display:inline-flex;align-items:center}#related-free{background:#fff}#related-free h2{font-size:30px}#related-free .related h3{font-size:17px}@media(max-width:850px){.fmf-offer,.plus-offer{grid-template-columns:1fr}.offer-decision{border-left:0;border-top:1px solid #e4cec7}.offer-content,.offer-decision{padding:28px}.plus-offer{gap:28px}}@media(max-width:480px){.learning-bridge,.other-course-grid{grid-template-columns:1fr;gap:12px}.offer-content h3{font-size:24px}.offer-content,.offer-decision{padding:22px}.offer-price{font-size:34px}.after-video{gap:4px 16px}.same-author img{flex-shrink:0}}