.headerImg {
  object-fit: contain;
  z-index: -1;
}
.scool-homePage {
  position: absolute;
  top: 30px;
  right: 80px;
}
.encyclopedia {
  position: absolute;
  top: 30px;
  right: 40px;
}
.head-search {
  position: absolute;
  z-index: 100;
  box-shadow: 1px 1px 1px 1px #1c97fb !important;
  background-color: rgb(243, 239, 239);
  opacity: 0.5;
}
.wp_search tr {
  /* background-color: rgba(1, 90, 75); */
  background-color: white;
  height: 30px;
  width: 182.45px;
}
.head-search td {
  width: 40px;
}

#keyword {
  width: 210px;
  height: 28px;
  float: left;
  width: 90%;
  outline: none;
  border: none;
  background: transparent;
  font-size: 15px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  padding-left: 10px;
  color: #1c97fb !important;
}
.wp_search .search {
  position: relative;
  width: 20px;
  height: 28px;
  top: 2px;
  right: 0px;
  background: url(../image/search.png) no-repeat; /* 保证不重复显示背景图片 */
  background-size: 20px 20px; /* 设置背景图片的大小为 20px x 20px */
  z-index: 100;
  background-position: center center;
}

.header-img {
  width: 1280px;
  height: 130px;
  margin: 0 auto;
}
.header-img > img {
  height: 100%;
}
.headImg {
  overflow: hidden;
}
.headImg ::before {
  content: ""; /* 伪元素必须有 content 属性 */
  position: absolute;
  top: 0;
  left: 0;
  width: 100%; /* 设置 div 的宽度 */
  height: 100%; /* 设置 div 的高度为视口高度的100%，可根据需要调整 */
  background-image: url("../image/header-img.jpg"); /* 替换为你的图片路径 */
  background-size: cover; /* 让图片撑满整个 div */
  background-position: center; /* 将图片居中 */
  opacity: 0.02; /* 设置半透明 */
  z-index: -1;
  /* background-color: #3b5089; */
}