body {
    font-family: 'Inter', Arial, sans-serif;
    background: #f7f8fa;
    margin: 0;
    padding: 0;
    color: #222;
    padding-bottom: 180px;
  }
  header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
  }
  .container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  @media (min-width: 700px) {
    .container {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (min-width: 1100px) {
    .container {
      grid-template-columns: 1fr 1fr 1fr;
    }
  }
  .test-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 1.5rem 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    transition: box-shadow 0.2s;
  }
  .test-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  }
  .test-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
  }
  .test-desc {
    font-size: 0.98rem;
    color: #555;
    margin: 0;
  }
  .test-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.98rem;
  }
  .status-success { color: #2ecc40; }
  .status-fail { color: #ff4136; }
  .status-running { color: #ffb700; }
  .test-actions {
    margin-top: 0.5rem;
  }
  .test-btn {
    background: #f0f1f3;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s;
  }
  .test-btn:hover {
    background: #e2e4e8;
  }
.main-btn {
  display: inline-block;
  margin: 1rem 0 0.5rem 0;
  padding: 0.7rem 1.6rem;
  background: #2ecc40;
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  border: none;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(46,204,64,0.08);
  transition: background 0.2s, box-shadow 0.2s;
}
.main-btn:hover {
  background: #27ae38;
  box-shadow: 0 4px 16px rgba(46,204,64,0.15);
}
.footer-contact {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.07);
  padding: 1.2rem 1rem 1.2rem 1rem;
  text-align: center;
  z-index: 100;
}
.footer-contact-text {
  font-size: 1rem;
  color: #333;
  margin-bottom: 0.7rem;
}
.footer-btn {
  width: 100%;
  max-width: 340px;
  font-size: 1.08rem;
}
@media (min-width: 600px) {
  .footer-btn {
    width: auto;
    min-width: 220px;
  }
}