/* 仅影响文章页正文 */
.post-content {
  font-size: 22px;               /* 正文字号 */
  line-height: 1.5;
  font-family: "PingFang SC","Microsoft YaHei","LXGW WenKai Screen",sans-serif;
}

/* 段落、列表、引用等更细致的控制 */
.post-content p,
.post-content li { font-size: 19px; }

.post-content blockquote { 
  font-style: italic; 
  opacity: .95;
}

/* 标题分级字号（可按需微调）*/
.post-content h1 { font-size: 1.9em; }
.post-content h2 { font-size: 1.65em; }
.post-content h3 { font-size: 1.35em; }
.post-content h4 { font-size: 1.2em;  }

/* 代码块与行内代码 */
.post-content pre code,
.post-content .highlight code { 
  font-size: 14px; 
  font-family: "JetBrains Mono","Fira Code",Consolas,monospace; 
}