/* 产品介绍视频层 */
.lh-piv {
  position: fixed;
  inset: 0;
  z-index: 12050;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: max(12px, env(safe-area-inset-top)) 14px max(16px, env(safe-area-inset-bottom));
  box-sizing: border-box;
}
.lh-piv[hidden] { display: none !important; }
.lh-piv__veil {
  position: absolute;
  inset: 0;
  background: rgba(4, 6, 18, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.lh-piv__sheet {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  max-height: min(88dvh, 720px);
  overflow: auto;
  border-radius: 20px 20px 16px 16px;
  background: #12121c;
  border: 1px solid rgba(251, 191, 36, 0.28);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  color: #fff;
  padding: 16px 16px 18px;
}
.lh-piv__kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(253, 230, 138, 0.9);
  margin-bottom: 8px;
}
.lh-piv__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}
.lh-piv__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}
.lh-piv__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: #0a0a12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 12px;
}
.lh-piv__media video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;
}
.lh-piv__ph {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  text-align: center;
  background: linear-gradient(160deg, rgba(124, 58, 237, 0.25), rgba(251, 191, 36, 0.12));
}
.lh-piv__ph strong {
  font-size: 15px;
  font-weight: 700;
}
.lh-piv__ph span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.5;
}
.lh-piv__bullets {
  margin: 0 0 14px;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}
.lh-piv__actions {
  display: flex;
  gap: 10px;
}
.lh-piv__btn {
  flex: 1;
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.lh-piv__btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
}
.lh-piv__btn--fill {
  background: linear-gradient(135deg, #7c3aed, #db2777);
  color: #fff;
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.35);
}
body.lh-piv-lock {
  overflow: hidden;
}