/* 内容区域基本字体设置 */
.ck-content {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 16px;
    color: #333;
    line-height: 1.75;
    padding: 1rem;
  }

  /* 标题样式 */
  .ck-content h1 {
    font-size: 2em;
    margin: 1.2em 0 0.5em;
    font-weight: bold;
  }

  .ck-content h2 {
    font-size: 1.75em;
    margin: 1.2em 0 0.5em;
    font-weight: bold;
  }

  .ck-content h3 {
    font-size: 1.5em;
    margin: 1.2em 0 0.5em;
    font-weight: bold;
  }

  .ck-content h4,
  .ck-content h5,
  .ck-content h6 {
    font-size: 1.25em;
    margin: 1.2em 0 0.5em;
    font-weight: bold;
  }

  /* 段落 */
  .ck-content p {
    margin: 0.5em 0;
  }

  /* 加粗和斜体 */
  .ck-content strong {
    font-weight: bold;
  }

  .ck-content em {
    font-style: italic;
  }

  /* 引用 */
  .ck-content blockquote {
    margin: 1em 0;
    padding-left: 1em;
    border-left: 4px solid #ccc;
    color: #666;
    font-style: italic;
  }

  /* 列表 */
  .ck-content ul,
  .ck-content ol {
    margin: 1em 0 1em 2em;
    padding-left: 1em;
  }

  .ck-content ul li,
  .ck-content ol li {
    margin-bottom: 0.3em;
  }

  /* 链接 */
  .ck-content a {
    color: #1a73e8;
    text-decoration: underline;
  }

  .ck-content a:hover {
    text-decoration: none;
  }

  /* 图片 */
  .ck-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1em auto;
    border-radius: 8px;
  }

  /* 代码块 */
  .ck-content pre {
    background-color: #f6f8fa;
    padding: 1em;
    overflow-x: auto;
    border-radius: 6px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 14px;
    color: #333;
  }

  .ck-content code {
    background-color: #f0f0f0;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 14px;
  }

  /* 表格 */
  .ck-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
  }

  .ck-content th,
  .ck-content td {
    border: 1px solid #ddd;
    padding: 8px;
  }

  .ck-content th {
    background-color: #f5f5f5;
    font-weight: bold;
  }

  /* 水平线 */
  .ck-content hr {
    border: none;
    border-top: 1px solid #ccc;
    margin: 2em 0;
  }