.title {
  font-size: 24px;
  text-align: center;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  display: block;
  margin-top: 1rem;
  margin-bottom: 1rem;
  font-weight: bold;
  line-height: 1.4;
  cursor: text;
}
h1 {
  font-size: 2.25em;
  line-height: 1.2;
  border-bottom: 1px solid #eee;
}
h2 {
  font-size: 1.75em;
  line-height: 1.225;
  border-bottom: 1px solid #eee;
}
h3 {
  font-size: 1.5em;
  line-height: 1.43;
}
h4 {
  font-size: 1.25em;
  line-height: 1.4;
}
h5 {
  font-size: 1em;
  line-height: 1.4;
}
p,
pre,
blockquote,
ul,
ol,
dl,
table {
  margin: 0.8em 0;
}
li + li {
  margin-top: 0.5rem;
}
a {
  text-decoration: none;
}
strong {
  font-weight: bold;
}
img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
}
pre code {
  font-family: "JetBrains Mono", "bree serif", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
table {
  width: 100%;
  /*表格宽度*/
  max-width: 100%;
  /*表格最大宽度，避免表格过宽*/
  border: 1px solid #dedede;
  /*表格外边框设置*/
  margin: 10px auto;
  /*外边距*/
  border-collapse: collapse;
  /*使用单一线条的边框*/
  empty-cells: show;
  /*单元格无内容依旧绘制边框*/
}
table th {
  height: 35px;
  /*统一每一行的默认高度*/
  border: 1px solid #dedede;
  /*内部边框样式*/
  padding: 0 10px;
  /*内边距*/
  font-weight: bold;
  /*加粗*/
  text-align: center !important;
  /*内容居中，加上 !important 避免被 Markdown 样式覆盖*/
  background: rgba(223, 226, 229, 0.4);
  /*背景色*/
  white-space: nowrap;
  /*表头内容强制在一行显示*/
}
table td {
  height: 35px;
  /*统一每一行的默认高度*/
  border: 1px solid #dedede;
  /*内部边框样式*/
  padding: 0 10px;
  /*内边距*/
}
table tbody tr:nth-child(2n) {
  background: rgba(223, 226, 229, 0.3);
}
table tr:hover {
  background: #efefef;
}
blockquote {
  color: #777777;
  background: #f9f9f9;
  border-left: 4px solid #dfe2e5;
  padding: 2px 15px;
}
blockquote:before {
  color: #ccc;
  font-size: 4em;
  line-height: 0.1em;
  margin-right: 0.25em;
  vertical-align: -0.4em;
}
blockquote p {
  display: block;
}