body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      background: #f7fafc;
      color: #1f2937;
      line-height: 1.65;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: #0f766e;
      text-decoration: none;
    }
    a:hover {
      text-decoration: underline;
    }
    h1, h2, h3, h4 {
      margin-top: 0;
      line-height: 1.2;
      color: #132033;
    }
    p {
      margin: 0;
    }
    .page-shell {
      width: 100%;
    }
    .keyword-link {
      color: #0f766e !important;
      font-weight: 700;
      border-bottom: 2px solid #99f6e4;
      text-decoration: none;
    }