html {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
    }

    body {
      margin: 0;
      padding: 0;
      font-family: "Segoe UI", sans-serif;
      background: linear-gradient(to bottom right, #e8f3fa, #d9edf7);
      color: #424242;
      display: flex;
      flex-direction: column;
      width: 100%;
      height: 100%;
      min-height: 100vh;
      position: relative;
      box-sizing: border-box;
    }

    .icon {
      width: 60px;
      height: 60px;
      margin-bottom: 40px;
    }

    .container {
      padding: 60px;
      width: 100%;
      max-width: none;
      box-sizing: border-box;
      flex: 1;
      overflow-x: hidden;
      word-wrap: break-word;
    }

    .title {
      font-size: 2.5rem;
      font-weight: 700;
      margin: 0;
      line-height: 1.2;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .version {
      color: #007BCE;
    }

    .subtitle {
      font-size: 1.1rem;
      color: #444;
      font-weight: 600;
      margin-top: 8px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      background-color: #007BCE;
      color: white;
      padding: 14px 20px;
      border-radius: 6px;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
      transition: background 0.3s;
      margin-bottom: 10px;
      box-sizing: border-box;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .btn:hover {
      background-color: #005fa3;
    }

    /* Responsive design for tablets and mobile devices */
    @media (max-width: 1024px) {
      .container {
        padding: 40px;
      }

      .title {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 800px) {
      .container {
        padding: 30px;
      }

      .title {
        font-size: 1.8rem;
        line-height: 1.2;
      }

      .subtitle {
        font-size: 1rem;
        margin-top: 12px;
      }

      .btn {
        width: 100%;
        justify-content: center;
        margin-bottom: 15px;
        padding: 16px 15px;
        white-space: normal;
        text-align: center;
      }

      .icon {
        width: 55px;
        height: 55px;
        margin-bottom: 35px;
      }
    }

    @media (max-width: 500px) {
      .container {
        padding: 20px;
      }

      .title {
        font-size: 1.5rem;
        line-height: 1.3;
      }

      .subtitle {
        font-size: 0.9rem;
        margin-top: 10px;
        line-height: 1.4;
      }

      .icon {
        width: 45px;
        height: 45px;
        margin-bottom: 25px;
      }

      .btn {
        width: 100%;
        padding: 14px 12px;
        font-size: 0.85rem;
        margin-bottom: 12px;
      }
    }

    @media (max-width: 350px) {
      .container {
        padding: 15px;
      }

      .title {
        font-size: 1.3rem;
        line-height: 1.4;
      }

      .subtitle {
        font-size: 0.85rem;
        margin-top: 8px;
        line-height: 1.5;
      }

      .icon {
        width: 40px;
        height: 40px;
        margin-bottom: 20px;
      }

      .btn {
        padding: 12px 10px;
        font-size: 0.8rem;
        margin-bottom: 10px;
      }
    }