html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  line-height: 1.6;

  overflow: hidden;
}

h1 {
  color: blue;
}

.content {
  flex: 1;
  padding: 20px;
  text-align: center;
}

.content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/mainPic.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat; /* 不重复 */
  opacity: 0.3; /* 背景图片透明度 */
  z-index: -1;
}

.content p {
  margin: 0 auto;
  width: 1000px;
}

.link-with-icon {
  display: inline-flex;
  align-items: center; /* 垂直居中 */
  gap: 8px; /* 图标和文字间距 */
  text-decoration: none;
  color: #333;
}

footer {
  text-align: center;
  padding: 20px 0;
  margin-top: auto; /* 将footer推到页面底部 */
}

footer a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;

  color: #333;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s;
}

footer a:hover {
  background-color: rgba(145, 200, 237, 0.5);
}