.nav-active {
  font-weight: bold;
}
.line {
  margin: 0 auto;
  width: 45px;
  height: 7px;
  background-color: #2F69B8;
  border-radius: 20px;
}
a {
  color: #000;
  text-decoration: none;
}
@media screen and (max-width: 1700px) {
  .header {
   
  }
  .input-wrapper {
    width: 180px !important;
  }
  .input-wrapper input {
    width: 100%;
  }
}
@media screen and (max-width: 1500px) {
  .header {
    /* padding: 10px 100px !important; */
  }
  .input-wrapper {
    width: 180px !important;
  }
  .input-wrapper input {
    width: 100%;
  }
  .img-wrapper {
    padding: 0 10px;
  }
}
/* 门户网站头部 */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 0;
  width: 1200px;
  padding: 5px 0;
  margin: auto;
}
.fullScreen{
  width: 100%;

}
.header .header-left {
  padding-right: 30px;
  display: flex;
  align-items: center;
}
.header .header-left img {
  width: 320px;
  margin-right: 20px;
}
.header .header-left .titleLogo {
  height: 70px;
  line-height: 70px;
  margin: 0 ;
  padding: 0;
  font-size: 20px;
  font-weight: 600;
  color:var(--titleLogoColor);
}
.header .header-center {
  flex: 1;
}
.header .header-center .list {
  display: flex;
  list-style: none;
}
.header .header-center .list a:visited,
.header .header-center .list a:active,
.header .header-center .list a:hover,
.header .header-center .list a:focus {
  color: #000;
  text-decoration: none;
}
.header .header-center .list .list-item {
  flex: 1;
  text-align: center;
  display: inline-block;
  height: 30px;
  line-height: 30px;
  margin: 10px 0;
  color: #000000;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}
.header .header-right {
  display: flex;
  /* padding-left: 60px; */
  position: relative;
  cursor: pointer;
}
.header .header-right .input-wrapper {
  display: flex;
  align-items: center;
  height: 35px;
  width: 294px;
  margin-right: 10px;
  padding: 0 15px;
  border: 1px solid #BFBFBF;
  border-radius: 10px;
}
.header .header-right .input-wrapper input,
.header .header-right .input-wrapper input:hover,
.header .header-right .input-wrapper input:focus {
  border: none;
  outline: none;
}
.header .header-right .input-wrapper .icon-search {
  font-size: 20px;
}
.header .header-right .input-wrapper img {
  width: 20px;
  height: 20px;
}
.header .header-right .img-wrapper {
  padding: 0 18px;
}
.header .header-right .img-wrapper img {
  width: 28px;
  height: 39px;
  margin: 16rpx;
}
.header .header-right .login {
  /* display: flex; */
  position: relative;
  /* display: none; */
  text-align: center;
  width: 105px;
}
.header .header-right .login .login_go{
  position: absolute;
  width:105px;
  text-align: center;
  top: 40px;
  display: none;
  background: #fff;
  z-index: 9999;
}

.login-text{
    height: 40px;
  line-height: 40px;
}
.login-text:hover{
  background-color:#4c8cc3;
  color: #fff;

}
.login-text:hover + .login_go{
  display: block;
  
}
.header .header-right .login .login_go:hover+.login-text{
  /* color:white; */
  background-color:#4c8cc3;
}
.header .header-right .login a {
  width: 105px;
  height: 40px;
  border-bottom: 1px solid #eee;
  line-height: 40px;
  font-size: 14px;
  display: inline-block;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #000000;

}
.header .header-right .login a:hover{
  /* color:white; */
  color:#4c8cc3;
}


.header .header-right #portrait {
  width: 40px;
  height: 40px;
}
.header-right .login a:visited,
.header-right .login a:active,
.header-right .login a:hover,
.header-right .login a:focus {
  color: #000000;
  text-decoration: none;
}

.toLogin{
  position: absolute;
  width: 100%;
  right: -100%;
  bottom: -10px;
  background-color: #fff;
  /* color: #fff; */
  padding: 10px 0;
}
.toLogin .student-login{
    text-align: center;
    font-size: 16px;
    line-height: 30px;
    cursor: pointer;
}
.toLogin .teacher-login{
  text-align: center;
  font-size: 16px;
  line-height: 30px;
  cursor: pointer;

}
select{
  border: none;
  outline: none;
}

/* 倒计时头部 */
.header-count-left{
  display: flex;
  align-items: center;
}
.header-count-left .logo{
  width: 320px;
}
.headCountLeftTitle {
  height: 50px;
  line-height: 50px;
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  color: #303960;
  padding: 0 20px;
  border-left: 4px solid #303960;
}
.headCountRightTitle{
  color: #E72A3C;
  font-size: 20px;
  font-weight: bold;
  line-height: 50px;
}
.timeWord{
  color: #303960;
  font-size: 20px;
  font-weight: bold;
  line-height: 50px;
}
.timeMonthDay{
  color: #fff;
  font-size: 30px;
  font-weight: bold;
  background: url(../images/timemonthdaybg.png) no-repeat;
  background-size: 100% 100%;
  line-height: 50px;
  width: 46px;
  text-align: center;
}

@media (max-width:1080px) {
  .header {
   width: 100%;
  }
  .header .header-right{
    display: none;
  }
  .header .header-left{
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 0;
  }
  .header .header-left img{
    width: 45%;
    margin: 0;
  }
  .header .header-left .titleLogo{
    font-size: 14px;
    width: 50%;
    line-height: 20px;
    display: flex;
    align-items: center;
  }
}