h1 {
      font-size: 24px;
      text-align: center;
      color: #222;
      margin-bottom: 25px;
      border-bottom: 2px solid #d4af37;
      padding-bottom: 8px;
    }
    .intro {
      font-style: italic;
      background: #fff9e6;
      padding: 16px;
      border-left: 4px solid #d4af37;
      border-radius: 0 6px 6px 0;
      margin-bottom: 25px;
      text-align: justify;
      font-size: 16px;
    }
    .tip {
      margin: 25px 0;
      padding-bottom: 20px;
      border-bottom: 1px dashed #ccc;
    }
    .tip-number {
      display: inline-block;
      width: 32px;
      height: 32px;
      background: #d4af37;
      color: white;
      text-align: center;
      line-height: 32px;
      border-radius: 50%;
      font-weight: bold;
      margin-right: 12px;
      vertical-align: middle;
    }
    .tip-title {
      font-size: 18px;
      font-weight: bold;
      color: #222;
      display: inline-block;
      vertical-align: middle;
    }
    .tip-body {
      margin-top: 10px;
      font-size: 16px;
      text-align: justify;
    }
    .tip-author {
      font-style: italic;
      color: #555;
      margin-top: 8px;
      text-align: right;
    }
    @media (max-width: 600px) {
     
      h1 {
        font-size: 22px;
      }
      .tip-title {
        font-size: 17px;
      }
      .tip-body, .tip-author {
        font-size: 15px;
      }
    }