.course-site-layout{min-height:100vh}.course-site-header{z-index:110;font-family:Manrope,Segoe UI,sans-serif;position:sticky;top:0}.course-site-footer{z-index:105;font-family:Manrope,Segoe UI,sans-serif;position:relative}.course-site-content{padding-right:0}.course-site-content [id]{scroll-margin-top:110px}.course-skin-prityazhenie{--course-nav-bg:#051825ed;--course-nav-ink:#f7e5be;--course-nav-line:#d8b16870;--course-nav-active:#d8b168;--course-nav-active-ink:#102535;--course-nav-shadow:#0003}.course-skin-method{--course-nav-bg:#fffffff5;--course-nav-ink:#193c6d;--course-nav-line:#1354ba45;--course-nav-active:#1354ba;--course-nav-active-ink:#fff;--course-nav-shadow:#15294715}.course-side{z-index:100;pointer-events:none;width:176px;font:500 12px/1.35 Manrope,Segoe UI,sans-serif;position:fixed;top:50%;right:18px;transform:translateY(-50%)}.course-side-menu{background:0 0;border:0;flex-direction:column;align-items:flex-end;gap:9px;max-height:calc(100dvh - 140px);padding:0;display:flex;overflow:visible}.course-side-menu a{box-sizing:border-box;width:40px;min-height:40px;color:var(--course-nav-ink);background:var(--course-nav-bg);border:1px solid var(--course-nav-line);box-shadow:0 3px 10px var(--course-nav-shadow);pointer-events:auto;border-radius:8px;flex-direction:row-reverse;justify-content:flex-end;align-items:center;gap:0;padding:10px;text-decoration:none;transition:width .2s,background-color .2s,color .2s;display:flex}.course-side-menu a svg{stroke-width:1.6px;flex-shrink:0;width:18px;height:18px}.course-side-menu a span{white-space:nowrap;opacity:0;max-width:0;transition:opacity .15s;overflow:hidden}.course-side-menu a:focus-visible,.course-side-menu a:hover{gap:12px;width:176px}.course-side-menu a:focus-visible span,.course-side-menu a:hover span{opacity:1;max-width:140px}.course-side-menu a[aria-current]{background:var(--course-nav-active);color:var(--course-nav-active-ink);border-color:var(--course-nav-active)}.course-side-menu a:focus-visible,.course-side-toggle:focus-visible{outline:2px solid var(--course-nav-active);outline-offset:4px}.course-side-toggle{display:none}@media (width<=1199px){.course-side{top:auto;bottom:max(18px,env(safe-area-inset-bottom));flex-direction:column-reverse;gap:10px;width:210px;display:flex;right:16px;transform:none}.course-side-toggle{background:var(--course-nav-bg);color:var(--course-nav-ink);border:1px solid var(--course-nav-line);box-shadow:0 4px 14px var(--course-nav-shadow);cursor:pointer;pointer-events:auto;border-radius:10px;justify-content:space-between;align-items:center;padding:13px 16px;font:600 13px Manrope,sans-serif;display:flex}.course-side-menu{gap:6px;max-height:60dvh;padding:3px;display:none;overflow:auto}.course-side-menu.is-open{display:flex}.course-side-menu a,.course-side-menu a:focus-visible,.course-side-menu a:hover{flex-direction:row;justify-content:flex-start;gap:12px;width:100%;padding:12px 14px}.course-side-menu a span{opacity:1;max-width:none}}@media (prefers-reduced-motion:reduce){.course-side-menu a,.course-side-menu a span{transition:none}}