body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4f4f4;
  color: #333;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 90%;
  max-width: 700px;
}

h1 {
  font-size: 2em;
  margin-bottom: 24px;
  font-weight: 700;
  color: #007acc;
  text-align: center;
}

.link-text a {
  display: block;
  margin-bottom: 8px;
  color: #007acc;
  text-decoration: none;
  font-weight: 500;
}

.link-text a:hover {
  text-decoration: underline;
}

.link-button {
  padding: 6px 6px;
  background-color: #5c5a5a;
  color: white;
  border-radius: 4px;
  text-decoration: none;
  font-size: 12px;
  transition: background-color 0.2s;
}

.link-button:hover {
  background-color: #f5f5f5;
  color: #333;
}

.link-natural {
  color: black;
  text-decoration: underline;
}

.gray-box {
  background-color: #f5f5f5;
  border-left: 4px solid #007acc;
  padding: 1rem 1.5rem;
  font-size: 1rem;
  line-height: 1.6;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  word-wrap: break-word;
  overflow: break-word;
}

.gray-box p {
  margin: 0.5rem 0;
}

.funding-note {
  font-size: 0.9em;
  color: #666;
  margin-top: 0.5em;
}

.version-date {
  color: #777;
  font-size: 0.9em;
}

.footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  padding: 12px;
  font-size: 14px;
  color: #777;
  background-color: #f9f9f9;
  border-top: 1px solid #eee;
}