/* PDF分页优化样式 */

/* 表格不断行：整个表格保持在同一页 */
table {
  page-break-inside: avoid;
  break-inside: avoid;
}

/* 图片前不分页：图片与前面的标题保持在同一页 */
h2, h3, h4 {
  page-break-after: avoid;
  break-after: avoid;
}

/* 图片本身不分页 */
img {
  page-break-inside: avoid;
  break-inside: avoid;
  page-break-before: avoid;
  break-before: avoid;
}

/* 图片前的标题与图片保持在一起 */
h2 + img,
h3 + img,
h4 + img,
p + img {
  page-break-before: avoid;
  break-before: avoid;
}

/* 基础排版优化 */
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 14px;
  line-height: 1.8;
  color: #1e293b;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

h1 { font-size: 24px; border-bottom: 2px solid #312e81; padding-bottom: 10px; }
h2 { font-size: 20px; color: #312e81; margin-top: 30px; }
h3 { font-size: 17px; color: #4338ca; margin-top: 20px; }
h4 { font-size: 15px; color: #6366f1; }

table {
  border-collapse: collapse;
  width: 100%;
  margin: 12px 0;
}

th, td {
  border: 1px solid #cbd5e1;
  padding: 8px 12px;
  text-align: left;
}

th {
  background: #f1f5f9;
  font-weight: 600;
}

tr:nth-child(even) {
  background: #f8fafc;
}

blockquote {
  border-left: 4px solid #818cf8;
  padding-left: 16px;
  color: #475569;
  margin: 12px 0;
}

code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 16px auto;
}