你可以通过设置以下的 CSS snippet 来调整嵌入块的样式
.internal-embed.is-loaded:not(.embedded-part):has(.markdown-source-view):before {
content: ' ';
width: 1px;
position: absolute;
height: 100%;
top: 0;
right: 0;
background-color: var(--color-accent);
transition: background-color 200ms ease-in-out, border-color 200ms ease-in-out, opacity 200ms ease-in-out;
}
.internal-embed.is-loaded:not(.embedded-part):has(.markdown-source-view):hover:before {
width: 3px;
transition: background-color 200ms ease-in-out, border-color 200ms ease-in-out, opacity 200ms ease-in-out;
}