body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  color: #333;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

h1 {
  font-size: 24px;
  margin-bottom: 20px;
}

.button-container {
  display: flex;
  gap: 10px;
}

.button {
  padding: 10px 20px;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #333;
    color: #f0f0f0;
  }

  .button {
    background-color: #0a84ff;
  }
}
.button {
  /* ... 其他样式 ... */
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.button:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}