.he{
    z-index:1;
}
.dropdown-content {
  position: absolute; /* 或者 relative */
  z-index: 1000;
}
.header-image{
    margin-top:-1%;
    margin-bottom: -2%;
}
.page-title {
    display: flex;
    align-items: center; 
    justify-content: space-between;
        }
.title-with-image {
    display: flex;
    align-items: center; 
    gap: 20px;
    margin-left: 43.5%;
        }
.title-image {
    height: 50px;
    width: auto;
    object-fit: contain;
        }
.word{
  text-indent: 2em; /* 缩进2个em单位 */
  display: block;
}