    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: Arial, sans-serif; background-color: #f5f9f4; color: #333; }
    a { text-decoration: none; color: #fff; }

    header, footer {
      background-color: #2f7d57;
      color: #fff;
      text-align: center;
      padding: 20px 10px;
    }

    .container { max-width: 1200px; margin: auto; padding: 20px; }

    .intro {
      background-color: #d8f3dc;
      padding: 40px 20px;
      text-align: center;
    }
    .intro p { margin-bottom: 40px; font-size: 35px;    font-weight: 600; }
    .intro a {
      display: inline-block;
      padding: 20px 30px;font-size: 25px;
      background-color: #40916c;
      color: white;
      border-radius: 5px;
    }
    
@media (max-width: 600px) {

.container { max-width: 1200px; margin: auto; padding: 0px; }
.intro p { margin-bottom: 40px; font-size: 25px;    font-weight: 600; }
    
    }

.test-types {
  display: flex;width: 800px;
  justify-content: space-between;
  gap: 20px;
  margin-top: 0px;
}

@media (max-width: 600px) {
.test-types {
  display: flex;width: 100%;
  justify-content: space-between;
  gap: 10px;
  margin-top: 40px;padding: 0px;
}
    }

.test-card {
  background: white;
  width: 32%;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border-radius: 8px;
  padding: 20px 10px;
}

.test-header {
  font-size: 18px;
  color: white;
  font-weight: bold;
  padding: 10px 0;
  border-radius: 4px;
}

.test-header.green { background-color: #228B22; }
.test-header.pink { background-color: #f78da7; }
.test-header.red { background-color: #e60073; }

.test-icon {
  font-size: 40px;
  color: #7d8bff;
  margin: 20px 0 20px;
}

.test-count {
  font-size: 24px;
  color: #1d3557;
  font-weight: bold;
}

.test-subtitle {
  color: #999;
  margin-top: 10px;
  font-size: 14px;
}

.test-users {
  font-size: 15px;
  color: #999;
  margin-top: 10px;
}

.services {
    text-align: center;
    margin: auto;
    margin-bottom: 0px;
    margin-top: 50px;
    }
    .services h2 {
      margin-bottom: 10px;    font-size: 40px;
      color: #1b4332;
    }
    .services p {    text-align: justify;
    font-size: 22px;color: #666;    margin-bottom: 20px;
    line-height: 40px;
    padding: 20px 30px;}

    .service-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;
    }

    @media (max-width: 600px) {
    .services p {    text-align: justify;
    font-size: 19px;color: #666;    margin-bottom: 20px;
    line-height: 40px;
    padding: 20px 20px;}
    
    .service-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 10px;margin-bottom: 30px;
    }
    }
    
    .service-item {
      width: calc(15% - 10px);
      text-align: center;
    }
    .service-item p {text-align: center;
    font-size: 25px;
    line-height: 0px;
    padding: 10px 10px;}
    
    .service-item img {
      width: 100%;
      max-width: 150px;
      margin-bottom: 10px;
    }

    .articles {    }
    .articles h2 {
      margin-bottom: 20px;
      color: #1b4332;
    }
    .article-list {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
    }
    .article {
      width: calc(33.33% - 14px);
      background-color: #fff;
      padding: 10px;
      border: 1px solid #ccc;
    }
    @media (max-width: 600px) {

.article {
      width: calc(33.33% - 14px);
      background-color: #fff;
      padding: 20px 10px 10px 10px;
      border: 0px solid #ccc;
    }
    
    }
    
    .article img {
      width: 100%;
      height: 230px;
    }
    .article a {
      display: block;
      margin-top: 10px;
      color: #2f7d57;text-align: center;
    margin-bottom: 10px;
    }

    .reviews {
      margin: 60px 0;
    }
    .reviews h2 { color: #1b4332; margin-bottom: 20px; }
    .review {
      display: flex;
      align-items: flex-start;
      margin-bottom: 15px;
      background: #f0fdf4;
      padding: 10px;
      border-radius: 5px;
    }
    .review img {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      margin-right: 10px;
    }
    .review-content {
      flex: 1;
    }
    .review-content small {
      display: block;
      font-size: 12px;
      color: #666;
      margin-bottom: 5px;
    }

    .links {
      background-color: #e6f4ea;
      padding: 20px;
      text-align: center;
    }
    .links h2 { color: #1b4332; margin-bottom: 15px; }
    .links a {
      display: inline-block;
      margin: 5px 10px;
      color: #2f7d57;
    }

    @media (max-width: 992px) {
      .service-item { width: calc(33.33% - 10px); }
      .article { width: calc(50% - 10px); }
    }
    @media (max-width: 600px) {
      .service-item { width: 48%; }
      .article { width: 100%; }
      .review { flex-direction: column; }
      .review img { margin-bottom: 5px; }
    }