/* 基本样式 */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #24292e;
  background-color: #fff;
  margin: 0;
  padding: 0;
  /* 双栏布局时 body 不设 max-width，max-width 由 .layout-wrapper 控制 */
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 2em;
  border-bottom: 1px solid #eaecef;
  padding-bottom: 0.3em;
}

h2 {
  font-size: 1.5em;
  border-bottom: 1px solid #eaecef;
  padding-bottom: 0.3em;
}

a {
  color: #0366d6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  padding-left: 2em;
}

code {
  background-color: #f6f8fa;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 85%;
}

pre {
  background-color: #f6f8fa;
  padding: 16px;
  border-radius: 3px;
  overflow: auto;
}

pre code {
  background-color: transparent;
  padding: 0;
}

blockquote {
  padding: 0 1em;
  color: #6a737d;
  border-left: 0.25em solid #dfe2e5;
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  border: 1px solid #dfe2e5;
  padding: 6px 13px;
}

th {
  background-color: #f6f8fa;
}

/* 搜索栏已经在内联样式中定义 */