body {
      margin: 0;
      padding: 40px 20px;
      background-color: #ffffff;
      color: #111111;
      font-family: "Segoe UI", sans-serif;
      line-height: 1.8;
      max-width: 1000px;
      margin: auto;
    }
    h1 {
      font-size: 2.6rem;
      text-align: center;
      margin-bottom: 10px;
      color: #111;
    }
    h2 {
      color: #1990c6;
      font-size: 1.6rem;
      margin-top: 0;
    }
    p, li {
      font-size: 1rem;
      color: #333;
    }
    ul {
      padding-left: 20px;
    }
    .section {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      margin-top: 30px;
    }
    .text, .image {
      flex: 1;
      min-width: 280px;
      margin: 10px;
    }
    .image img {
      width: 100%;
      border-radius: 12px;
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.06);
    }
    .card {
      background: #f7f7f7;
      padding: 15px;
      margin: 20px 0;
      border-left: 4px solid #1990c6;
      border-radius: 8px;
      color: #111;
    }
    .section.middle-align {
      align-items: center;
    }
    footer {
      text-align: center;
      margin-top: 60px;
      color: #888;
      font-size: 0.95rem;
    }
    a {
      color: #1990c6;
      text-decoration: none;
    }