.lecturesLayout_wrap__oXcuc{--lec-content-max:1280px;--lec-gutter:24px;width:100%;max-width:var(--lec-content-max);margin-inline:auto;box-sizing:border-box;padding-inline:var(--lec-gutter)}.lecturesLayout_container__33J0c{--lec-fg:#1e1b4b;--lec-muted:#64748b;--lec-accent:#4b26ac;--lec-card-bg:#ffffff;--lec-card-border:#e2e8f0;--lec-chip-bg:#f1f5f9;--lec-chip-fg:#475569;--lec-divider:#e0e0e0;--lec-tag-bg:#eef2ff;--lec-tag-fg:#4338ca;box-sizing:border-box;width:100%;min-width:0;overflow-x:hidden;margin:0 auto;padding:20px 0 48px;color:var(--lec-fg)}@media (max-width:640px){.lecturesLayout_wrap__oXcuc{--lec-gutter:16px}.lecturesLayout_container__33J0c{padding:16px 0 40px}}@media (prefers-color-scheme:dark){.lecturesLayout_container__33J0c{--lec-fg:#f1f5f9;--lec-muted:#94a3b8;--lec-card-bg:#1e293b;--lec-card-border:#334155;--lec-chip-bg:#0f172a;--lec-chip-fg:#cbd5e1;--lec-divider:#334155;--lec-tag-bg:rgba(99,102,241,0.18);--lec-tag-fg:#c7d2fe}}.LectureTopBar_topbar__uUpdw{border-bottom:1px solid var(--lec-border,#e8e8ec);background:var(--lec-surface,#fff);position:sticky;top:0;z-index:20}.LectureTopBar_inner__n2qFZ{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:11px;box-sizing:border-box}.LectureTopBar_left__F8VkK{display:flex;align-items:center;gap:8px;min-width:0}.LectureTopBar_brand__lL8Ko{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--lec-text-strong,#0f172a);text-decoration:none;white-space:nowrap}.LectureTopBar_brandMark__599mh{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:var(--lec-radius,4px);background:var(--lec-brand,#4b26ac);color:#fff;font-size:10px;font-weight:800;flex:0 0 auto}.LectureTopBar_actions__Sutaz{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:flex-end}.LectureTopBar_backLink__9QRJn,.LectureTopBar_menuBtn__Bs6kz,.LectureTopBar_wideBtn__pzvhh{font-size:12px;font-weight:600;color:var(--lec-text-soft,#475569);text-decoration:none;padding:7px 11px;border-radius:var(--lec-radius-sm,3px);border:1px solid var(--lec-border,#e8e8ec);background:var(--lec-surface,#fff);cursor:pointer;font-family:inherit;line-height:1.2}.LectureTopBar_wideBtn__pzvhh{color:var(--lec-brand,#4b26ac)}.LectureTopBar_wideBtn__pzvhh[aria-pressed=true]{background:var(--lec-brand-soft,#f5f3fb);border-color:color-mix(in srgb,var(--lec-brand,#4b26ac) 22%,var(--lec-border,#e8e8ec));color:var(--lec-brand-strong,#3b1d8f)}.LectureTopBar_backLink__9QRJn:hover,.LectureTopBar_menuBtn__Bs6kz:hover,.LectureTopBar_wideBtn__pzvhh:hover{background:var(--lec-surface-soft,#f8fafc)}.LectureTopBar_backLink__9QRJn:focus-visible,.LectureTopBar_menuBtn__Bs6kz:focus-visible,.LectureTopBar_wideBtn__pzvhh:focus-visible{outline:2px solid var(--lec-brand,#4b26ac);outline-offset:2px}@media (max-width:640px){.LectureTopBar_backLink__9QRJn{display:none}}@media print{.LectureTopBar_topbar__uUpdw{display:none!important}}