.header {
  width: 100%;
  height: 220px;
  background-color: #0168b5;
}


.nav-container {
  width: 1250px;
  margin: 0 auto;
}



.link-container {
  height: 45px;
  width: 200px;
  position: absolute;
  right: 145px;
}

.link-item {
  font-size: 16px;
  color: #0a64a3;
  line-height: 45px;
  margin: 0 10px;
  position: relative;
  cursor: pointer;
}


.logo-container {
  display: flex;
  align-items: center;
  height: 170px;
  justify-content: space-between;
}

.logo {
  margin-left: 85px;
  height: 100px;
  width: 400px;
}

.logo-img {
  
  height: 90px;
}

.logo-font {
  width: 500px;
  padding-top: 20px;
  margin-right: 200px;
}

.logo-font .title {
  font-size: 36px;
  color: #0a64a3;
  line-height: 1.5rem;
  margin-bottom: 15px;
  letter-spacing: 5px;
  font-weight: bold;
}


.logo-font .introduce {
  font-size: 20px;
  color: #0a64a3;
  letter-spacing: 3px;
    font-weight: bold;
    
}


.nav-context-bg {
  background: #fff;
}

.nav-content {
  width: 1400px;
  margin: 0 auto;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-item {
  display: block;
  cursor: pointer;
  color: #224366;
  font-size: 20px;
  height: 50px;
  line-height: 50px;
  width: 140px;
  text-align: center;
  z-index: 1000;
  position: relative;
}


.nav-item-width {
       width: 200px;
}
.nav-item a {
  color: #224366;
  font-size: 18px;
  font-family: "微软雅黑";
}

.nav-item:hover{
  background-color: #0168b5;
}

.nav-item:hover a {
  color: #fff;
}

.sub-container {
  visibility: hidden;
  position: absolute;
  background-color: #fff;
  transform: scaleY(0);
  transform-origin: top;
  transition: all 0.26s ease;
  opacity: 0;
  width: 100%;
}

.nav-item:hover .sub-container {
  visibility: visible;
  opacity: 1;
  transform: scaleY(1);
}

.sub-item {
  display: block;
  width: 100%;
  margin-top: 2px;
  background: rgba(30, 136, 229, .4);
}



/*调整大小查看搜索栏的变化*/
.wrap {
  width: 100%;
}


.searchTerm::placeholder {
  color: #fff;
}

.search-container {
  width: 350px;
}


.search {
  width: 100%;
  position: relative;
  display: flex;
  background-color: hsla(0, 0%, 100%, .15);
  border-radius: 10px;
}

.searchTerm {
  width: 100%;
  border: none;
  border-right: none;
  padding: 0 15px;
  border-radius: 5px 0 0 5px;
  outline: none;
  color: #0a64a3;
  background: transparent;
}

.searchTerm:focus {
  color: #fff;
}

.searchButton {
  width: 40px;
  height: 36px;
  border: none;
  background: transparent;
  text-align: center;
  color: #0a64a3;
  border-radius: 0 5px 5px 0;
  cursor: pointer;
  font-size: 20px;
}

.search-container {
  width: 250px;
  position: absolute;
  right: 0;
  top: 5px;
}

.searchTerm::-webkit-input-placeholder {
    
    color: #0a64a3;    
}
    

.list .searchTerm::-webkit-input-placeholder {
color: #fff;
    
}
.nav-context-copy {
  width: 100%;
  background-color: #0168b5;
  position: fixed;
  transform: translateY(-50px);
  z-index: 1000;
  transition: all 0.3s ease;
}