.youtube-page .main-nav .nav-link.active { color: var(--text-primary); }
.channel-intro { padding: 132px 0 52px; background: var(--ocean-sky); border-bottom: 2px solid var(--border-color); }
.channel-intro-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.channel-intro h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 900; line-height: 1.2; letter-spacing: -.035em; margin: 0 0 20px; }
.channel-intro h1 span { color: var(--color-cyan); }
.channel-intro p, .series-heading p { color: var(--text-secondary); font-size: 1.0625rem; line-height: 1.8; word-break: keep-all; }
.channel-intro .btn { flex-shrink: 0; }
.mystery-series { padding-block: 64px; }
.series-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 36px; }
.series-heading h2 { font-size: clamp(1.9rem, 4vw, 2.5rem); font-weight: 900; margin: 0 0 12px; letter-spacing: -.025em; }
.episode-list { display: grid; gap: 32px; }
.episode-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 36px; align-items: center; padding-block: 16px 32px; border-bottom: 1px solid var(--border-color); }
.episode-image { position: relative; display: block; overflow: hidden; border-radius: 16px; background: var(--color-navy); aspect-ratio: 16 / 9; }
.episode-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.episode-duration { position: absolute; right: 12px; bottom: 12px; color: #fff; background: #143b59; border-radius: 7px; padding: 4px 9px; font-size: .8125rem; font-weight: 700; }
.episode-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; width: 56px; height: 56px; background: #fffdf7; color: #143b59; border-radius: 50%; box-shadow: 0 4px 14px rgba(0,0,0,.2); transition: background .15s ease; }
.episode-play svg { width: 28px; height: 28px; }
.episode-image:hover .episode-play, .episode-image:focus-visible .episode-play { background: #ffdb67; }
.episode-copy h3 { font-size: clamp(1.5rem, 3vw, 1.9rem); line-height: 1.4; margin: 0 0 10px; letter-spacing: -.025em; }
.episode-copy p { color: var(--text-secondary); line-height: 1.8; margin: 0 0 12px; word-break: keep-all; }
.episode-copy .episode-hook { color: var(--text-primary); font-weight: 700; }
.episode-watch { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; color: var(--color-cyan); font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }
.episode-watch:hover { color: var(--text-primary); }
.series-note { max-width: 75ch; margin-top: 28px; color: var(--text-secondary); font-size: .9375rem; line-height: 1.8; }
.home-youtube { background: var(--bg-secondary); }
.home-youtube-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 48px; align-items: center; }
.home-youtube img { display: block; width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; border-radius: 16px; }
.home-youtube h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.35; margin-bottom: 16px; font-weight: 900; }
.home-youtube p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 24px; }
@media (max-width: 767px) {
  .channel-intro { padding: 106px 0 36px; }
  .channel-intro-inner, .series-heading { display: block; }
  .channel-intro .btn { margin-top: 24px; }
  .channel-intro p br, .series-heading p br { display: none; }
  .mystery-series { padding-block: 40px; }
  .series-heading { margin-bottom: 20px; }
  .series-heading .episode-watch { margin-top: 12px; }
  .episode-row { grid-template-columns: minmax(0, 1fr); gap: 20px; padding-block: 0 24px; }
  .home-youtube-inner { grid-template-columns: minmax(0, 1fr); gap: 28px; }
}