.dive-app .sidebar .brand img,.dive-app.is-reading .sidebar .brand img{width:min(100%,164px);max-height:220px;height:auto}.reader-brand{display:none}.surface-scene .ch-branch-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:18px auto 0;max-width:800px;pointer-events:auto}.surface-scene .ch-hero.ch-hero--glass .ch-branch-controls .ch-topic-toggle{position:relative!important;inset:auto;flex:0 1 auto;min-width:0;margin:0}.surface-scene .ch-branch-controls .ch-level-back{order:-1}.surface-scene .ch-branch-controls .ch-topic-toggle:not(.ch-level-back){margin-left:auto}@media(max-height:680px) and (min-width:761px){.dive-app .sidebar .brand img,.dive-app.is-reading .sidebar .brand img{width:132px;max-height:176px}}@media(max-width:760px){.dive-app .sidebar .brand img,.dive-app.is-reading .sidebar .brand img{width:min(100%,164px);max-height:220px}.dive-app .reader-brand{display:flex;position:fixed;top:6px;left:50%;transform:translateX(-50%);width:clamp(44px,calc(100vw - 280px),60px);aspect-ratio:1085/1450;align-items:center;justify-content:center;z-index:36}.reader-brand img{display:block;width:100%;height:100%;-o-object-fit:contain;object-fit:contain}.dive-app.is-reading .site-header{top:96px;margin-top:96px}.surface-scene .ch-hero.ch-hero--glass .ch-head{top:12px;padding-inline:16px}.surface-scene .ch-branch-controls{gap:12px;margin-top:16px}.surface-scene .ch-hero.ch-hero--glass .ch-branch-controls .ch-topic-toggle{padding:10px 14px;min-height:44px;font-size:.875rem!important}}