body {
  margin: 0;
  padding: 0;
  font-family: 'Avenir Next', 'Segoe UI', 'Helvetica Neue', sans-serif;
  background-color: #ffffff;
  color: #000000;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.box {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  padding: 30px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.logo {
  margin-top: 30px;
  margin-bottom: 30px;
  text-align: center;
}

.logo img {
  max-width: 150px;
  height: auto;
}

.card {
  background-color: #FFFFFF;
  color: #1D1D1F;
  border-radius: 12px;
  padding: 15px 25px;
  margin: 10px 0;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.card a {
  text-decoration: none;
  color: #1D1D1F;
  font-size: 1.2em;
  display: block;
}

.card:hover {
  background-color: #1D1D1F;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.card:hover a {
  color: #FFFFFF;
}

.content {
  max-width: 720px;
  margin: 60px auto 40px auto;
  padding: 0 20px;
  font-family: 'Avenir Next', 'Segoe UI', 'Helvetica Neue', sans-serif;
  color: #1D1D1F;
  line-height: 1.6em;
}

.content h1 {
  font-size: 2em;
  margin-bottom: 20px;
}

.content a {
  color: #1D1D1F;
  text-decoration: none;
}

.content a:hover {
  text-decoration: none;
}

.back-button {
  display: block;
  width: fit-content;
  padding: 12px 24px;
  margin: 20px 0;
  background-color: #FFFFFF;
  color: #1D1D1F;
  font-size: 1em;
  font-weight: 500;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.back-button:hover {
  background-color: #1D1D1F;
  color: #FFFFFF;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.1);
}

@media (max-width: 600px) {
  .card {
    padding: 12px 20px;
    font-size: 1em;
  }
}