#bilibili-showcase-mount,
#bilibili-showcase-mount * {
  box-sizing: border-box;
}

#bilibili-showcase-mount {
  width: 100%;
  max-width: 1200px;
  margin: 10px auto 34px;
  padding: 0 clamp(16px, 3vw, 40px);
}

.showcase-top-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: -6px 0 8px;
}

.showcase-top-icon > i {
  font-size: 30px;
  line-height: 1;
  color: rgba(15, 23, 42, 0.92);
}

.showcase-container {
  position: relative;
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--edge, rgba(15, 23, 42, 0.1));
  box-shadow: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: transform 180ms ease, border-color 180ms ease;
}

.showcase-container::before {
  content: "";
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(circle at 16% 18%, rgba(251, 191, 36, 0.22), transparent 52%),
    radial-gradient(circle at 84% 28%, rgba(29, 78, 216, 0.14), transparent 56%);
  pointer-events: none;
  opacity: 0.9;
}

.showcase-container::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.showcase-container > * {
  position: relative;
  z-index: 1;
}

.collection-section {
  margin-bottom: 22px;
}

.collection-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0 16px;
  font-size: 22px;
  line-height: 1.2;
  font-weight: 780;
  letter-spacing: -0.01em;
  color: var(--text-main, #0f172a);
}

.collection-title::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(29, 78, 216, 0.9), rgba(29, 78, 216, 0.25));
  box-shadow: none;
}

.collection-title.has-icon::before {
  content: none;
}

.collection-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(29, 78, 216, 0.92);
}

.collection-icon > i {
  font-size: 22px;
  line-height: 1;
}

.video-row {
  display: flex;
  gap: 14px;
  padding: 6px 2px 14px;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-padding: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(15, 23, 42, 0.22) transparent;
  -webkit-overflow-scrolling: touch;
}

.video-row::-webkit-scrollbar {
  height: 8px;
}

.video-row::-webkit-scrollbar-track {
  background: transparent;
}

.video-row::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.18);
  border: 2px solid transparent;
  background-clip: content-box;
  border-radius: 999px;
}

.video-card {
  flex: 0 0 212px;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  scroll-snap-align: start;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: none;
  transition: border-color 160ms ease, background 160ms ease;
}

.video-card:hover {
  border-color: rgba(29, 78, 216, 0.22);
  box-shadow: none;
  background: rgba(255, 255, 255, 0.82);
}

.video-cover-wrapper {
  width: 100%;
  height: 124px;
  position: relative;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.2)),
    radial-gradient(circle at 86% 70%, rgba(251, 191, 36, 0.18), transparent 60%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.03));
}

.video-cover-wrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.06), rgba(15, 23, 42, 0));
  pointer-events: none;
}

.video-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: filter 220ms ease;
  filter: saturate(1.02) contrast(1.02);
}

.video-info {
  padding: 10px 12px 12px;
}

.video-title {
  font-size: 14px;
  line-height: 1.45;
  height: 40px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  color: var(--text-main, #0f172a);
  margin-bottom: 0;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.showcase-footer {
  display: flex;
  justify-content: center;
  padding-top: 14px;
  margin-top: 12px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.toggle-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: rgba(29, 78, 216, 0.96);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: -0.01em;
  box-shadow: none;
  transition: transform 120ms ease, color 160ms ease, opacity 160ms ease;
  outline: none;
}

.toggle-icon {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toggle-icon > i {
  font-size: 14px;
  line-height: 1;
}

.toggle-icon .fa-angle-up {
  display: none;
}

.showcase-container:not(.collapsed) .toggle-icon .fa-angle-up {
  display: inline-block;
}

.showcase-container:not(.collapsed) .toggle-icon .fa-angle-down {
  display: none;
}

.toggle-btn:hover {
  color: rgba(29, 78, 216, 1);
  opacity: 0.92;
}

.toggle-btn:active {
  transform: translate3d(0, 1px, 0);
}

.toggle-btn:focus-visible {
  box-shadow: none;
}

.showcase-container.collapsed .collection-section:not(:first-of-type) {
  display: none;
}

.video-cover-wrapper.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(15, 23, 42, 0.45);
  font-size: 26px;
}

@media (max-width: 600px) {
  #bilibili-showcase-mount {
    margin: 6px auto 26px;
    padding: 0 16px;
  }

  .showcase-top-icon {
    margin: -4px 0 6px;
  }

  .showcase-top-icon > i {
    font-size: 26px;
  }

  .showcase-container {
    border-radius: 18px;
  }

  .collection-title {
    gap: 12px;
    margin: 2px 0 12px;
    font-size: 18px;
  }

  .collection-title::before {
    width: 12px;
    height: 12px;
  }

  .collection-icon {
    width: 20px;
    height: 20px;
  }

  .collection-icon > i {
    font-size: 18px;
  }

  .video-card {
    flex: 0 0 184px;
    border-radius: 12px;
  }

  .video-cover-wrapper {
    height: 104px;
    border-radius: 12px 12px 0 0;
  }
}