body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #202124;
  color: #fff;
}

#contact {
  background-color: #202124;
  padding: 20px;
  border-radius: 5px;
}

#contact h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

#contact p {
  font-size: 24px;
  margin: 10px 0;
}

#record-number {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-size: 14px;
  color: #fff; /* 将备案号字体颜色修改为白色 */
}

#record-number a {
  color: #fff; /* 给链接设置字体颜色为白色 */
  text-decoration: none; /* 移除链接的下划线 */
}