* {
  font-family: "HarmonyOS_Regular";
}
.center {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  line-height: 0;
  width: 70vw;
}

.center h4 {
  font-size: 3vw;
  /* margin: 50vw; */
}

.center h3 {
  font-size: 5vw;
  /* margin: 50vw; */
}

.center a {
  line-height: 2vw;
  font-size: 1vw;
  color: rgb(52, 55, 57);
  background-color: #f2f2f2;
  border-radius: 50px;
  padding: 0.5vw 1.5vw; /* 上下 | 左右 */
  display: inline-block; /* 确保padding对行内元素有效 */
}

.footer {
  position: fixed;
  top: 94%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70vw;
}

.footer a {
  text-decoration: none;
  font-size: 0.8vw;
  color: black;
}

.footer img {
  width: 0.8vw;
  margin-left: 1vw;
  margin-right: 0.5vw;
  vertical-align: middle;
}

body {
  background-image: url("img/Huooioc.webp");
  background-repeat: no-repeat;
  background-position: right 6vw bottom; /* 右移25像素 */
  background-size: 46% auto;
  background-attachment: fixed;
  min-height: 100vh;
  /* 可选的：添加背景颜色过渡效果 */
}