* { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      padding: 30px;
      font-family: "Noto Serif SC", "SimSun", "STSong", serif;
      font-size: 16px;
      line-height: 1.8;
      color: #1a1a1a;
      background: #f0f0f0;
    }
    .paper {
      max-width: 794px;
      margin: 0 auto;
      background: #ffffff;
      padding: 30px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.1);
      border-radius: 4px;
      min-height: 90vh;
    }
    .paper h1, .paper h2, .paper h3, .paper h4 {
      margin-top: 1.2em;
      margin-bottom: 0.6em;
      font-weight: 600;
      line-height: 1.4;
    }
    .paper h1 { font-size: 28px; text-align: center; margin-top: 0; }
    .paper h2 { font-size: 22px; }
    .paper h3 { font-size: 18px; }
    .paper p {
      margin-bottom: 0.8em;
    }
    .paper p:last-child { margin-bottom: 0; }
    .paper ul, .paper ol {
      margin: 0.6em 0 0.8em 2.5em;
    }
    .paper li { margin-bottom: 0.3em; }
    .paper table {
      border-collapse: collapse;
      width: 100%;
      margin: 1em 0;
    }
    .paper th, .paper td {
      border: 1px solid #ccc;
      padding: 6px 12px;
      text-align: left;
    }
    .paper th { background: #f5f5f5; font-weight: 600; }
    .paper blockquote {
      margin: 0.8em 0;
      padding: 0.5em 1.2em;
      border-left: 4px solid #1a73e8;
      background: #f8f9fa;
    }
    .paper img { max-width: 100%; height: auto; }
    .paper hr {
      margin: 1.5em 0;
      border: none;
      border-top: 1px solid #ddd;
    }
    .paper .w-e-text-container { background: transparent; }
    /* 打印样式 */
    @media print {
      body { background: white; padding: 0; }
      .paper { 
        box-shadow: none; 
        border-radius: 0; 
        padding: 10px;
        min-height: auto;
      }
      .no-print { display: none !important; }
    }