.tips-main {
  padding-top: clamp(22px, 5vw, 54px);
  padding-bottom: 44px;
}
.tips-intro {
  padding: clamp(24px, 5vw, 52px);
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(115deg, #fffdfa 30%, #f8ead8);
}
.tips-intro :is(h1, h2),
.tips-lesson-intro h1 {
  color: var(--text);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -.035em;
  margin: 7px 0 10px;
}
.tips-intro p,
.tips-lesson-intro p {
  margin: 0;
  color: var(--muted);
}
.tip-number {
  color: var(--brown);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.tips-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.tips-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding: 0;
  margin: 0;
}
.tip-card {
  display: block;
  height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
  color: var(--text);
  text-decoration: none;
  transition: box-shadow .18s ease, border-color .18s ease;
}
.tip-card:hover,
.tip-card:focus-visible {
  border-color: var(--gold);
  box-shadow: 0 12px 26px rgba(49, 32, 14, .13);
}
.tip-card:focus-visible,
.tips-main a:focus-visible,
.home-tips-section a:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}
.tip-thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #302217;
}
.tip-thumbnail img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tip-play,
.tip-runtime {
  position: absolute;
  color: #fff;
  background: rgba(35, 26, 18, .86);
}
.tip-play {
  display: grid;
  place-items: center;
  inset: 50% auto auto 50%;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, .65);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.tip-play::before {
  content: "";
  border: 7px solid transparent;
  border-left: 11px solid #fff;
  border-right: 0;
  margin-left: 3px;
}
.tip-runtime {
  right: 9px;
  bottom: 9px;
  padding: 1px 7px;
  border-radius: 5px;
  font-size: .8rem;
  font-weight: 700;
}
.tip-card-copy { padding: 15px 17px 18px; }
.tip-card :is(h2, h3),
.tip-series h2 {
  font-size: 1.15rem;
  line-height: 1.32;
  margin: 5px 0 8px;
}
.tip-card p { margin: 0; color: var(--muted); font-size: .93rem; }
.tips-back { font-weight: 700; }
.tips-lesson-intro { margin: 19px 0 25px; max-width: 800px; }
.tips-lesson-layout {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 2.1fr) minmax(220px, 1fr);
  gap: 24px;
}
.tip-player {
  display: grid;
  justify-items: center;
  overflow: hidden;
  border-radius: 16px;
  background: #221910;
}
.tip-player iframe {
  display: block;
  width: 100%;
  min-height: 200px;
  aspect-ratio: 16 / 9;
  border: 0;
}
.tip-player-portrait iframe {
  max-width: 320px;
  aspect-ratio: 9 / 16;
}
.tip-series {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
}
.tip-series ol { list-style: none; padding: 0; margin: 0; }
.tip-series li + li { margin-top: 3px; }
.tip-series a,
.tip-series-current {
  display: grid;
  grid-template-columns: 1.7rem 1fr;
  align-items: baseline;
  gap: 5px;
  padding: 9px;
  border-radius: 9px;
  color: var(--text);
  font-size: .92rem;
  line-height: 1.45;
}
.tip-series a { text-decoration: none; }
.tip-series a:hover,
.tip-series-current { background: #f5e8d6; }
.tip-series-current { font-weight: 700; }
.tip-series li span span,
.tip-series li a span { color: var(--brown); font-weight: 800; }
@media (max-width: 850px) {
  .tips-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tips-lesson-layout { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .tips-grid { grid-template-columns: 1fr; }
  .tip-player-portrait iframe { max-width: min(100%, 280px); }
}
@media (prefers-reduced-motion: reduce) {
  .tip-card { transition: none; }
}