.timeline {
  position: relative;
  padding: 20px;
  max-width: 100%;
  text-align: left;
  overflow-y: auto;
  max-height: 80vh;
  scroll-behavior: smooth;
  transition: transform 0.3s ease;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.timeline::-webkit-scrollbar {
  display: none;
}

/* 主时间线容器 */
.timeline-event-container {
  position: relative;
  background-color: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: visible;
}

.timeline-event-container:hover {
  background-color: #f9f9f9;
}

/* 主时间线内容 */
.timeline-event {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
  border-left: 2px solid #f1f1f1;
  margin-bottom: 20px;
  background-color: transparent;
  padding: 10px;
  position: relative;
}

.timeline-event:hover {
  transform: translateX(10px);
}

.timeline-event.minimized {
  transform: scale(0.9);
  opacity: 0.7;
}

/* 展开按钮样式 */
.expand-trigger {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
  font-size: 12px;
  transition: transform 0.2s ease;
}

.expand-trigger:hover {
  transform: scale(1.05);
}

/* 子时间线动画容器 */
.sub-timeline-wrapper {
  margin-top: 12px;
  animation: zoomIn 0.4s ease forwards;
  background-color: #fafafa;
  padding: 12px;
  border-radius: 8px;
  border: 1px dashed #ddd;
}

@keyframes zoomIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.ant-timeline {
  max-width: 100%;
  margin-left: 0 !important;
}

.timeline-item {
  transition: transform 0.3s ease-in-out;
}

.timeline-item.expanded {
  transform: scale(0.95);
  z-index: 1;
}

.sub-timeline {
  transform-origin: top left;
  animation: zoomIn 0.3s ease forwards;
}

.timeline-dot {
  background-color: #f1f1f1;
  border: none;
  border-radius: 50%;
  height: 10px;
  width: 10px;
  position: absolute;
  left: 15px;
  top: 20px;
  z-index: 1;
}

.timeline-content {
  margin: 5px;
  background: transparent;
  position: relative;
}

.timeline-content-text {
  padding-left: 10px;
  background: #fff;
}

.timeline-content h2 {
  margin: 0 0 10px 0;
}

.timeline-content span {
  color: #888;
  font-style: italic;
}