.video-sub{font-size:11px;color:#9ca3af}@media (max-width:600px){.h2-heading{font-size:17px}}.h1-title .accent{color:#60c}.toc-item:hover .toc-name{color:#60c!important;font-weight:600}.toc-item:hover .toc-dot{background:#60c}.related-item{transition:padding-left .18s ease;border-radius:6px;cursor:pointer}.related-item:hover{padding-left:4px;background:rgba(128,0,255,.05)}.video-play-btn{background:linear-gradient(135deg,#8000ff,#60c)!important;animation:play-pulse-128 2.8s ease-in-out infinite}.skip-nav:focus-visible{top:0;left:0;width:auto;height:auto;outline:3px solid #8000ff;outline-offset:2px}.h2-heading{font-size:clamp(28px,3.5vw,44px)}.h3-question{font-size:clamp(22px,2.5vw,32px)}#back-to-top.btt-visible{display:flex}a.toc-item.toc-active,a.toc-ref.toc-active{background:rgba(0,0,0,.05);border-radius:8px}a.toc-item.toc-active .toc-name,a.toc-ref.toc-active .toc-ref-name{color:var(--brand-dark)!important;font-weight:700!important}