/* 时间轴样式 */
.keep-timeline {
  position: relative;
  margin: 2rem 0;
  padding-left: 1.5rem;
/* 垂直时间线 */
/* 时间轴项目 */
/* 时间点（圆点） */
/* 日期标签 */
/* 内容卡片 */
}
.keep-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background-color: var(--primary-color, #06c);
  border-radius: 2px;
}
.keep-timeline .keep-timeline-item {
  position: relative;
  margin-bottom: 2rem;
}
.keep-timeline .keep-timeline-item:last-child {
  margin-bottom: 0;
}
.keep-timeline .keep-timeline-dot {
  position: absolute;
  left: -1.5rem;
  width: 16px;
  height: 16px;
  background-color: var(--primary-color, #06c);
  border-radius: 50%;
  transform: translateX(-6px);
  z-index: 1;
}
.keep-timeline .keep-timeline-date {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.75rem;
  background-color: var(--primary-color, #06c);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 4px;
}
.keep-timeline .keep-timeline-card {
  padding: 1.5rem;
  background-color: var(--card-background-color, #f8f8f8);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}
.keep-timeline .keep-timeline-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.keep-timeline .keep-timeline-card p {
  margin: 0;
}
/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
  .keep-timeline .keep-timeline-card {
    background-color: var(--card-background-color, #2d2d2d);
  }
}
/* 响应式设计 */
@media screen and (max-width: 768px) {
  .keep-timeline {
    padding-left: 1.25rem;
  }
  .keep-timeline .keep-timeline-dot {
    width: 12px;
    height: 12px;
    left: -1.25rem;
    transform: translateX(-4px);
  }
  .keep-timeline .keep-timeline-date {
    font-size: 0.8rem;
  }
  .keep-timeline .keep-timeline-card {
    padding: 1rem;
  }
}