fix: overflow list bottom gradient on toc (closes #1888)

Jacky Zhao

2025-03-31 f70e562432ca251d4c4373dfa0b02dcde11297bc

 quartz/styles/callouts.scss

@@ -10,7 +10,7 @@
  transition: max-height 0.3s ease;
  box-sizing: border-box;

  & > *:nth-child(2) {
  & > .callout-content > :first-child {
    margin-top: 0;
  }