.timeline {
    position: relative;
    padding-left: 24px;
    margin-top: 20px;
  }

  .timeline::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.1);
  }

  .timeline-item {
    position: relative;
    margin-bottom: 32px;
  }

  .timeline-item::before {
    content: "";
    position: absolute;
    left: -22px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid var(--bg);
  }

  .timeline-date {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 8px;
    font-family: monospace;
  }

  .timeline-version {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
  }

  .timeline-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
  }

  .timeline-content ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 14.5px;
    line-height: 1.6;
  }

  .timeline-content li {
    margin-bottom: 8px;
  }

  .timeline-content li:last-child {
    margin-bottom: 0;
  }