#headerContainer:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0;
}
#headerContainer {
  position: relative;
  height: 400px;
  background-image: url(../img/bg.96a932b7.png);
  background-size: auto 500px;
  background-position: 50%;
  background-repeat: no-repeat;
}
#headerContainer > .content {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#headerContainer > .content > .title {
  width: 700px;
  margin-top: 100px;
  /* padding-bottom: 20px;
  font-size: 42px;
  line-height: 42px;
  font-weight: 600;
  color: white;
  letter-spacing: 10px;
  text-shadow: 0 0 3px black;
  margin-top: 120px; */
}
#headerContainer > .content > .btnContainer {
  margin-top: 100px;
  display: flex;
}
#headerContainer > .content > .btnContainer > a > dl.active,
#headerContainer > .content > .btnContainer > a > dl:hover {
  background-color: #eee;
}

#headerContainer > .content > .btnContainer > a {
  display: block;
}
#headerContainer > .content > .btnContainer > a > dl {
  position: relative;
  border-radius: 10px;
  box-shadow: 1px 1px 10px rgba(85, 85, 85, 0.486);
  width: 180px;
  height: 160px;
  background-color: #fff;
}
#headerContainer > .content > .btnContainer > a > dl > dt {
  height: 110px;
  background-size: 60px 60px;
  background-position: center 36px;
  background-repeat: no-repeat;
}
#headerContainer > .content > .btnContainer > a > dl > dt.wzjs {
  background-image: url(../img/hulianwangIT.png);
}
#headerContainer > .content > .btnContainer > a > dl > dt.zxjj {
  background-image: url(../img/zhengfufeiyinglijigou.png);
}
#headerContainer > .content > .btnContainer > a > dl > dt.ggfw {
  background-image: url(../img/guanggaogongguan.png);
}
#headerContainer > .content > .btnContainer > a > dl > dt.gzdt {
  background-image: url(../img/yulan.png);
  background-size: 70px 70px;
  transform: translateY(-6px);
}
#headerContainer > .content > .btnContainer > a > dl > dd {
  text-align: center;
  font-size: 18px;
  /* color: #4e6385; */
  color: #2068c7;
  font-weight: 600;
}
#headerContainer > .content > .btnContainer > a > dl.active::before {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 40px;
  height: 20px;
  margin-left: -20px;
  background-color: #eee;

  z-index: 1;
}
#headerContainer > .content > .btnContainer > a > dl.active::after {
  position: absolute;
  bottom: -10px;
  left: 50%;
  margin-left: -10px;
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  background-color: #eee;
  box-shadow: 1px 1px 10px rgba(85, 85, 85, 0.486);
  transform: rotate(45deg);
}
#headerContainer > .content > .btnContainer > a + a {
  margin-left: 90px;
}