/* 全局样式 */
page {
  background-color: #f0f0f0;
  font-family: Arial, sans-serif;
}

button {
  background-color: #1aad19;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 16px;
}

button:active {
  background-color: #1a9d18;
}

input {
  border: 1px solid #ccc;
  border-radius: 5px;
  padding: 10px;
  margin: 10px 0;
  width: 80%;
  font-size: 16px;
}

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

.student {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 10px;
}