.lecture-hero[data-astro-cid-3qaqmjax]{padding:120px 0 48px;background:#0a0a0e;color:#fff}.hero-meta[data-astro-cid-3qaqmjax]{max-width:720px}.hero-badges[data-astro-cid-3qaqmjax]{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.hero-cat[data-astro-cid-3qaqmjax]{display:inline-block;padding:4px 12px;border-radius:100px;background:#167bff26;color:#5c8fff;font:500 13px/1.4 var(--ns-font-sans)}.hero-level[data-astro-cid-3qaqmjax]{display:inline-block;padding:4px 12px;border-radius:100px;background:#ffffff1a;color:#ffffffb3;font:500 13px/1.4 var(--ns-font-sans)}.hero-title[data-astro-cid-3qaqmjax]{font:700 clamp(28px,4vw,42px)/1.25 var(--ns-font-sans);margin:0 0 16px;letter-spacing:-.02em}.hero-desc[data-astro-cid-3qaqmjax]{font:400 clamp(16px,2vw,18px)/1.6 var(--ns-font-sans);color:#fff9;margin:0}.lecture-layout[data-astro-cid-3qaqmjax]{display:grid;grid-template-columns:260px 1fr;gap:48px;padding-top:48px;padding-bottom:80px;align-items:start}.lecture-sidebar[data-astro-cid-3qaqmjax]{position:sticky;top:100px;display:flex;flex-direction:column;gap:24px}.toc-label[data-astro-cid-3qaqmjax]{font:700 13px/1 var(--ns-font-sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ns-fg-4);margin:0 0 12px}.toc-list[data-astro-cid-3qaqmjax]{list-style:none;margin:0;padding:0;border-left:2px solid var(--ns-border)}.toc-item[data-astro-cid-3qaqmjax]{padding:0}.toc-link[data-astro-cid-3qaqmjax]{display:block;padding:6px 0 6px 16px;font:400 14px/1.4 var(--ns-font-sans);color:var(--ns-fg-3);text-decoration:none;border-left:2px solid transparent;margin-left:-2px;transition:color .2s,border-color .2s}.toc-h3[data-astro-cid-3qaqmjax] .toc-link[data-astro-cid-3qaqmjax]{padding-left:28px;font-size:13px}.toc-link[data-astro-cid-3qaqmjax]:hover{color:var(--ns-fg-1)}.toc-link[data-astro-cid-3qaqmjax].active{color:#167bff;border-left-color:#167bff;font-weight:600}.sidebar-cta[data-astro-cid-3qaqmjax]{background:var(--ns-bg-1, #F0EFE9);border-radius:12px;padding:20px}.sidebar-cta__title[data-astro-cid-3qaqmjax]{font:700 15px/1.3 var(--ns-font-sans);margin:0 0 6px;color:var(--ns-fg-1)}.sidebar-cta__desc[data-astro-cid-3qaqmjax]{font:400 13px/1.5 var(--ns-font-sans);color:var(--ns-fg-3);margin:0 0 12px}.sidebar-cta__btn[data-astro-cid-3qaqmjax]{display:block;padding:10px;border:none;border-radius:8px;background:#167bff;color:#fff;font:600 14px/1 var(--ns-font-sans);text-align:center;text-decoration:none;transition:background .2s}.sidebar-cta__btn[data-astro-cid-3qaqmjax]:hover{background:#1262cc}.sidebar-back[data-astro-cid-3qaqmjax]{font:500 14px/1 var(--ns-font-sans);color:var(--ns-fg-3);text-decoration:none;transition:color .2s}.sidebar-back[data-astro-cid-3qaqmjax]:hover{color:var(--ns-fg-1)}.article-body[data-astro-cid-3qaqmjax]{max-width:720px;font:400 17px/1.8 var(--ns-font-sans);color:var(--ns-fg-1);overflow-wrap:break-word}.article-body[data-astro-cid-3qaqmjax] h1{font:700 clamp(24px,3.5vw,32px)/1.25 var(--ns-font-sans);margin:48px 0 16px;letter-spacing:-.01em;scroll-margin-top:90px}.article-body[data-astro-cid-3qaqmjax] h2{font:700 clamp(22px,3vw,28px)/1.3 var(--ns-font-sans);margin:48px 0 16px;letter-spacing:-.01em;scroll-margin-top:90px}.article-body[data-astro-cid-3qaqmjax] h3{font:700 clamp(18px,2.5vw,22px)/1.35 var(--ns-font-sans);margin:36px 0 12px;scroll-margin-top:90px}.article-body[data-astro-cid-3qaqmjax] p{margin:0 0 20px}.article-body[data-astro-cid-3qaqmjax] a{color:#167bff;text-decoration:underline;text-underline-offset:3px}.article-body[data-astro-cid-3qaqmjax] a:hover{text-decoration-color:transparent}.article-body[data-astro-cid-3qaqmjax] strong{font-weight:700}.article-body[data-astro-cid-3qaqmjax] code{background:#167bff14;padding:2px 6px;border-radius:4px;font-size:.9em;font-family:SF Mono,Fira Code,monospace}.article-body[data-astro-cid-3qaqmjax] pre{background:#14151a;color:#e4e4e7;padding:20px 24px;border-radius:12px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.6}.article-body[data-astro-cid-3qaqmjax] pre code{background:none;padding:0;font-size:inherit;color:inherit}.article-body[data-astro-cid-3qaqmjax] blockquote{border-left:3px solid #167BFF;padding:12px 0 12px 20px;margin:24px 0;color:var(--ns-fg-2)}.article-body[data-astro-cid-3qaqmjax] figure{margin:32px 0}.article-body[data-astro-cid-3qaqmjax] figure img{width:100%;border-radius:12px;display:block}.article-body[data-astro-cid-3qaqmjax] figcaption{text-align:center;font:400 13px/1.4 var(--ns-font-sans);color:var(--ns-fg-4);margin-top:8px}.article-body[data-astro-cid-3qaqmjax] hr{border:none;border-top:1px solid var(--ns-border);margin:40px 0}.article-body[data-astro-cid-3qaqmjax] ul,.article-body[data-astro-cid-3qaqmjax] ol{padding-left:24px;margin:0 0 20px}.article-body[data-astro-cid-3qaqmjax] li{margin-bottom:8px}.article-body[data-astro-cid-3qaqmjax] table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}.article-body[data-astro-cid-3qaqmjax] th,.article-body[data-astro-cid-3qaqmjax] td{border:1px solid var(--ns-border);padding:10px 14px;text-align:left}.article-body[data-astro-cid-3qaqmjax] th{background:var(--ns-bg-1, #F0EFE9);font-weight:600}.article-body[data-astro-cid-3qaqmjax] .callout{display:flex;gap:12px;padding:16px 20px;border-radius:12px;background:var(--ns-bg-1, #F0EFE9);margin:24px 0}.article-body[data-astro-cid-3qaqmjax] .callout-icon{flex-shrink:0;font-size:20px;line-height:1.6}.article-body[data-astro-cid-3qaqmjax] .callout-body{flex:1}.article-body[data-astro-cid-3qaqmjax] .callout-body p:last-child{margin-bottom:0}.article-body[data-astro-cid-3qaqmjax] details{margin:16px 0;border:1px solid var(--ns-border);border-radius:8px;padding:12px 16px}.article-body[data-astro-cid-3qaqmjax] summary{cursor:pointer;font-weight:600}.article-body[data-astro-cid-3qaqmjax] .video-embed{position:relative;padding-bottom:56.25%;height:0;margin:32px 0;border-radius:12px;overflow:hidden}.article-body[data-astro-cid-3qaqmjax] .video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%}.article-body[data-astro-cid-3qaqmjax] .bookmark a{display:block;padding:12px 16px;border:1px solid var(--ns-border);border-radius:8px;text-decoration:none;color:#167bff;transition:background .2s}.article-body[data-astro-cid-3qaqmjax] .bookmark a:hover{background:#167bff0d}.lecture-bottom-cta[data-astro-cid-3qaqmjax]{padding:64px 0 80px;border-top:1px solid var(--ns-border)}.bottom-cta-inner[data-astro-cid-3qaqmjax]{max-width:600px;margin:0 auto;text-align:center}.bottom-cta-inner[data-astro-cid-3qaqmjax] h3[data-astro-cid-3qaqmjax]{font:700 clamp(22px,3vw,28px)/1.3 var(--ns-font-sans);margin:0 0 12px}.bottom-cta-inner[data-astro-cid-3qaqmjax] p[data-astro-cid-3qaqmjax]{font:400 16px/1.6 var(--ns-font-sans);color:var(--ns-fg-2);margin:0 0 32px}.bottom-cta-buttons[data-astro-cid-3qaqmjax]{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.lecture-detail[data-astro-cid-3qaqmjax]{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:var(--space-8) var(--container-padding)}.lecture-detail[data-astro-cid-3qaqmjax] .container[data-astro-cid-3qaqmjax]{max-width:640px;text-align:center}.lecture-detail[data-astro-cid-3qaqmjax] h1[data-astro-cid-3qaqmjax]{font-size:var(--text-h1);font-weight:700;line-height:1.2;margin-bottom:var(--space-3)}.excerpt[data-astro-cid-3qaqmjax]{font-size:var(--text-body);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--space-6)}.actions[data-astro-cid-3qaqmjax]{display:flex;flex-direction:column;gap:var(--space-3);align-items:center}.cta[data-astro-cid-3qaqmjax]{display:inline-block;padding:var(--space-3) var(--space-6);font-size:var(--text-body);font-weight:600;border-radius:8px;text-decoration:none;min-width:240px;text-align:center;transition:opacity var(--duration-fast)}.cta[data-astro-cid-3qaqmjax]:hover{opacity:.9;text-decoration:none}.cta-primary[data-astro-cid-3qaqmjax]{background:var(--color-accent);color:var(--color-brand)}.cta-secondary[data-astro-cid-3qaqmjax]{background:transparent;color:var(--color-brand);border:2px solid var(--color-brand)}.coming-soon[data-astro-cid-3qaqmjax]{color:var(--color-text-secondary);font-size:var(--text-body-sm)}@media(max-width:1024px){.lecture-layout[data-astro-cid-3qaqmjax]{grid-template-columns:1fr;gap:32px}.lecture-sidebar[data-astro-cid-3qaqmjax]{position:static;flex-direction:row;flex-wrap:wrap;gap:16px}.toc[data-astro-cid-3qaqmjax]{width:100%;border:1px solid var(--ns-border);border-radius:12px;padding:16px 20px}.toc-list[data-astro-cid-3qaqmjax]{border-left:none}.toc-link[data-astro-cid-3qaqmjax]{border-left:none;padding-left:0}.toc-h3[data-astro-cid-3qaqmjax] .toc-link[data-astro-cid-3qaqmjax]{padding-left:16px}.sidebar-cta[data-astro-cid-3qaqmjax]{flex:1;min-width:240px}.sidebar-back[data-astro-cid-3qaqmjax]{flex:1;min-width:240px;display:flex;align-items:center}}@media(max-width:768px){.lecture-hero[data-astro-cid-3qaqmjax]{padding:100px 0 36px}}@media(max-width:480px){.lecture-hero[data-astro-cid-3qaqmjax]{padding:88px 0 28px}.article-body[data-astro-cid-3qaqmjax]{font-size:16px}.sidebar-cta[data-astro-cid-3qaqmjax],.sidebar-back[data-astro-cid-3qaqmjax]{min-width:100%}.bottom-cta-buttons[data-astro-cid-3qaqmjax]{flex-direction:column}}