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  border-left: 2px dotted #fff;
  margin: 1em 0;
}
.shortcode-content-show .shortcode-content-show-title {
  font-size: 20px;
  font-weight: bold;
}
.comment-optimal {
  vertical-align: middle;
  transform: translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  -webkit-backface-visibility: hidden;
          backface-visibility: hidden;
  -moz-osx-font-smoothing: grayscale;
  transition-duration: 0.3s;
  transition-property: transform;
  transition-timing-function: ease-out;
  border-color: #28a745;
}
.comment-optimal:hover,
.comment-optimal:focus,
.comment-optimal:active {
  transform: translateY(-8px);
}
.article:not(pre) :root {
  --bg-color: #ffffff;
  /* 定义背景颜色变量 */
  --border-color: #eceeef;
  /* 定义边框颜色变量 */
  --text-color: #454545;
  /* 定义文本颜色变量 */
  --highlight-bg-color: #f9f9f9;
  /* 定义行高亮背景颜色变量 */
}
.article:not(pre) table {
  width: 100%;
  background-color: var(--bg-color);
  border-collapse: collapse;
}
.article:not(pre) table th,
.article:not(pre) table td {
  padding: 0.5rem;
  vertical-align: middle;
  border-top: 1px solid var(--border-color);
}
.article:not(pre) table thead th {
  vertical-align: middle;
  border-bottom: 2px solid var(--border-color);
}
.article:not(pre) table tbody + tbody {
  border-top: 2px solid var(--border-color);
}
.article:not(pre) table .table-bordered,
.article:not(pre) table .table-bordered th,
.article:not(pre) table .table-bordered td {
  border: 1px solid var(--border-color);
}
.article:not(pre) table .table-bordered th,
.article:not(pre) table .table-bordered td {
  border-width: 0 1px 1px 0;
}
.article:not(pre) table .table-bordered th:last-child,
.article:not(pre) table .table-bordered td:last-child {
  border-right-width: 1px;
}
.article:not(pre) table .table-bordered th:first-child,
.article:not(pre) table .table-bordered td:first-child {
  border-left-width: 1px;
}
.article:not(pre) table tbody tr:nth-child(even) {
  background-color: var(--highlight-bg-color);
}
.article:not(pre) table tbody tr:hover {
  background-color: #f2f2f2;
}
/* 夜间模式样式 */
[data-theme="theme-dark"] .article:not(pre) {
  --bg-color: #292d31;
  /* 修改背景颜色变量 */
  --border-color: #464e5f;
  /* 修改边框颜色变量 */
  --text-color: #b2b2b2;
  /* 修改文本颜色变量 */
  --highlight-bg-color: #3b3f45;
  /* 修改行高亮背景颜色变量 */
  background-color: transparent;
  /* 去掉背景颜色 */
}
[data-theme="theme-dark"] .article:not(pre) table tbody tr:hover {
  background-color: transparent;
  /* 将 hover 颜色设为透明 */
}
.bilibili-iframe {
  position: relative;
  width: 100%;
}
.bilibili-iframe::before {
  content: "";
  display: block;
  padding-top: 56.25%;
  /* 设置为16:9的宽高比 */
}
.bilibili-iframe iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}