/* 全局滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #0f0f1a;
}
::-webkit-scrollbar-thumb {
  background: #2d2d4a;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3d3d6a;
}

/* 卡片光晕 */
.card {
  position: relative;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), transparent 40%, transparent 60%, rgba(99, 102, 241, 0.05));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover::before {
  opacity: 1;
}

/* 视频播放器 */
video {
  outline: none;
}
video::-webkit-media-controls-panel {
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

/* 行数限制 */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
main > div {
  animation: fadeIn 0.4s ease-out;
}

/* 闪光消息 */
.flash-message {
  animation: fadeIn 0.3s ease-out;
}