.help-videos{padding-top:var(--space-10)}.help-videos__grid{display:grid;gap:var(--space-8);align-items:start}.help-player__frame{background-color:var(--color-ink)}.help-player__screen{position:relative;aspect-ratio:16 / 9;background-color:var(--color-ink)}.help-player__video{position:absolute;inset:0;width:100%;height:100%;background-color:var(--color-ink)}.help-player__meta{display:flex;flex-direction:column;gap:var(--space-4);margin-top:var(--space-6)}.help-player__label{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--text-sm);font-weight:var(--font-semibold);color:var(--color-primary)}.help-player__title{margin-top:var(--space-2);font-size:var(--text-2xl);font-weight:var(--font-bold);line-height:1.25;letter-spacing:-.01em;text-wrap:balance}.help-player__share{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3)}.help-player__status{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-muted)}.help-player__status.is-success{color:var(--color-primary)}.help-playlist{overflow:hidden;background-color:var(--color-surface-muted);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.help-playlist__header{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-4);padding:var(--space-5) var(--space-5) var(--space-4);border-bottom:1px solid var(--color-border)}.help-playlist__title{font-size:var(--text-lg);font-weight:var(--font-bold)}.help-playlist__count{font-size:var(--text-sm);color:var(--color-text-muted);white-space:nowrap}.help-playlist__list{display:grid;gap:var(--space-2);padding:var(--space-3)}.help-playlist__item{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-3);padding:var(--space-3);color:var(--color-text);border:1px solid #fff0;border-radius:var(--radius-lg)}.help-playlist__item[aria-current="true"]{background-color:var(--color-bg);border-color:var(--color-primary)}.help-playlist__thumb{position:relative;display:block;width:5.5rem;aspect-ratio:16 / 9;overflow:hidden;border-radius:var(--radius-md);background-color:var(--color-ink)}.help-playlist__thumb img{width:100%;height:100%;object-fit:cover}.help-playlist__play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background-color:var(--color-ink-overlay);color:var(--color-text-on-ink)}.help-playlist__item[aria-current="true"] .help-playlist__play{background-color:var(--color-primary-overlay)}.help-playlist__play .icon{width:1.125rem;height:1.125rem}.help-playlist__text{display:flex;flex-direction:column;gap:.125rem;min-width:0}.help-playlist__number{font-size:var(--text-xs);font-weight:var(--font-bold);color:var(--color-primary)}.help-playlist__name{font-weight:var(--font-semibold);line-height:1.35}.help-playlist__duration{font-size:var(--text-sm);color:var(--color-text-muted);font-variant-numeric:tabular-nums}.help-support__grid{display:grid;gap:var(--space-10);align-items:center}.help-support__body{max-width:36rem;margin-top:var(--space-4);color:var(--color-text-muted)}.help-support__intro .channel-list{margin-top:var(--space-8)}.help-manual{display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-4);padding:var(--space-8) var(--space-6);background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl)}.help-manual__title{font-size:var(--text-xl);font-weight:var(--font-bold);line-height:1.3}.help-manual__body{color:var(--color-text-muted)}@media (min-width:768px){.help-manual{padding:var(--space-10)}}@media (min-width:1024px){.help-videos{padding-top:var(--space-12)}.help-videos__grid{grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);gap:var(--space-10)}.help-player__meta{flex-direction:row;align-items:flex-end;justify-content:space-between}.help-playlist{position:relative;display:flex;flex-direction:column;align-self:stretch;height:0;min-height:100%}.help-playlist__header{flex-shrink:0}.help-playlist__list{flex:1;min-height:0;align-content:start;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--color-primary) #fff0;padding-bottom:var(--space-10)}.help-playlist__list::-webkit-scrollbar{width:.5rem}.help-playlist__list::-webkit-scrollbar-track{background:#fff0;margin-block:var(--space-2)}.help-playlist__list::-webkit-scrollbar-thumb{background-color:var(--color-primary);border:2px solid var(--color-surface-muted);border-radius:var(--radius-full)}.help-playlist__list::-webkit-scrollbar-thumb:hover{background-color:var(--color-primary-dark)}.help-playlist::after{content:"";position:absolute;inset:auto .75rem 0 0;height:4.5rem;background:linear-gradient(to bottom,transparent,var(--color-surface-muted));border-radius:0 0 var(--radius-xl) var(--radius-xl);pointer-events:none;transition:opacity 0.2s ease}.help-playlist.is-at-end::after{opacity:0}.help-support__grid{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:var(--space-16)}}