/* 更真实的 Cover Flow - 应用在第一排 (精选内容) */
.cover-flow-wrapper {
  perspective: 120em;
  position: relative;
  padding-top: 20px;
  padding-bottom: 20px;
  max-width: 100vw;
}
.cover-flow {
  transform-style: preserve-3d;
  list-style: none;
  white-space: nowrap;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0 10px;
  margin: 0;
  --cover-size: calc(10vw + 200px);
  -ms-overflow-style: none;
  scrollbar-width: none;
  min-height: auto;
}
.cover-flow::-webkit-scrollbar {
  display: none;
}
.cover-flow li {
  transform-style: preserve-3d;
  display: inline-block;
  width: var(--cover-size);
  aspect-ratio: 12/9;
  scroll-snap-align: center;
  perspective: 40em;
  cursor: pointer;
  overflow: visible;
  isolation: isolate;
  border-radius: 10px;
  position: relative;
}
.cover-flow li.placeholder {
  scroll-snap-align: none;
  pointer-events: none;
  background-color: transparent;
  cursor: default;
}
.cover-flow li img {
  width: 100%;
  height: auto;
  object-fit: contain;
  -webkit-box-reflect: below 0.5em linear-gradient(transparent, rgba(0,0,0,0.25));
  will-change: transform;
  position: relative;
  user-select: none;
  border-radius: 10px;
}
.selected-description {
  transition: opacity 0.18s ease; /* 可按需调到 .12s~.22s */
  will-change: opacity;
}
.selected-description.is-updating {
  opacity: 0.35; /* 轻微变暗而不是全透明，视觉更平滑 */
}
.like-btn,
.share-btn,
.more-btn {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  gap: 0.35rem;
  border: 0;
  background: transparent; /* 透明底 */
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  color: #fff;
}
.icon {
  width: 1em;
  height: 1em;
  flex: 0 0 auto; /* 防止被拉伸 */
/* 可选：若仍感觉略高，叠加微调 */
  vertical-align: -0.1em;
}
/* 点赞后的高亮态，可以保留你的特殊配色 */
.like-btn.liked {
  color: #ff68dc;
  cursor: default;
}
.share-btn:hover {
  color: #8b8bff;
}
/* Z-index 调整动画 */
/* Mobile mode: when aspect-ratio > 1:2 (i.e., max-aspect-ratio: 1/2) */
@media (prefers-color-scheme: light) {
  .cover-flow li img {
    -webkit-box-reflect: below 0.5em linear-gradient(transparent, rgba(255,255,255,0.1));
  }
  .like-btn,
  .share-btn,
  .more-btn {
    color: #000;
  }
  .like-btn.liked {
    color: #ffabeb;
  }
  .share-btn:hover {
    color: #3939ff;
  }
}
@-moz-keyframes adjust-z-index {
  0% {
    z-index: 1;
  }
  50% {
    z-index: 100;
  }
  100% {
    z-index: 1;
  }
}
@-webkit-keyframes adjust-z-index {
  0% {
    z-index: 1;
  }
  50% {
    z-index: 100;
  }
  100% {
    z-index: 1;
  }
}
@-o-keyframes adjust-z-index {
  0% {
    z-index: 1;
  }
  50% {
    z-index: 100;
  }
  100% {
    z-index: 1;
  }
}
@keyframes adjust-z-index {
  0% {
    z-index: 1;
  }
  50% {
    z-index: 100;
  }
  100% {
    z-index: 1;
  }
}