/* 全局樣式 */
.book {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

/* 標題樣式 */
.book-header h1 {
  font-weight: 600;
}

.markdown-section h1, 
.markdown-section h2, 
.markdown-section h3 {
  font-weight: 600;
  margin-top: 1.5em;
  margin-bottom: 0.8em;
}

/* 正文樣式 */
.markdown-section {
  font-size: 16px;
  line-height: 1.6;
}

/* 代碼塊樣式 */
.markdown-section pre {
  background-color: #f7f9fb;
  border-radius: 4px;
}

.markdown-section code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

/* 引用塊樣式 */
.markdown-section blockquote {
  border-left: 4px solid #0366d6;
  color: #333;
  background-color: #f1f8ff;
  padding: 15px;
  border-radius: 0 4px 4px 0;
}

/* 鏈接樣式 */
.markdown-section a {
  color: #0366d6;
  text-decoration: none;
}

.markdown-section a:hover {
  text-decoration: underline;
}

/* 表格樣式 */
.markdown-section table {
  border-collapse: collapse;
  width: 100%;
  margin: 1em 0;
}

.markdown-section table th {
  background-color: #f7f9fb;
  font-weight: 600;
}

.markdown-section table td,
.markdown-section table th {
  border: 1px solid #dfe2e5;
  padding: 8px 12px;
}

/* 水平線樣式 */
.markdown-section hr {
  height: 1px;
  background-color: #dfe2e5;
  border: none;
  margin: 2em 0;
}