.contact-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #f8f8f8;
  box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.2);
}
.contact-bar.sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
.contact-bar a {
  text-decoration: none;
  flex-grow: 1;
  padding: 15px;
  color: #333;
  text-align: center; /* 文字居中 */
}
.contact-bar a:hover {
  background-color: rgb(155, 155, 155);  /* 更改为您想要的悬停时的颜色 */
}
.contact-bar a img {
  width: 30px; /* 根据需要调整图标大小 */
  height: 30px;
}