.container {
  width: 1920px;
}
.container .header-box .header .head .head-left {
  margin-right: 175px;
}
.container .header-box .header .head .head-left .menu {
  opacity: 0;
  z-index: -1000;
}
.container .header-box .header .head .nav-list .our-server {
  text-align: center;
}
.container .header-box .header .head .nav-list .nav-i {
  height: 120px;
  margin-right: 66px;
  border-bottom: 4px solid transparent;
  align-items: center;
}
.container .header-box .header .head .nav-list .nav-i a {
  text-align: center;
}
.container .header-box .header .head .nav-list .nav-i a.contact {
  width: 110px;
  background: linear-gradient(180deg, #4f2dc4 0%, #336add 100%);
  border-radius: 22px;
}
.container .header-box .header .head .nav-list .nav-i.active {
  border-bottom: 4px solid var(--yellow);
}
.container .header-box .header .head .nav-list .nav-i:hover .menu {
  height: 448px;
}
.container .header-box .header .head .nav-list .nav-i .menu {
  position: absolute;
  left: 0;
  top: 90px;
  height: 0;
  background-color: white;
  transition: all 0.3s;
  overflow: hidden;
  z-index: 50;
}
.container .header-box .header .head .nav-list .nav-i .menu li a {
  color: #000000;
  width: 194px;
  height: 56px;
  line-height: 56px;
  text-align: center;
}
.container .header-box .header .head .nav-list .nav-i .menu li a:hover {
  color: #2d5ec4;
}
.container .header-box .header .head .nav-list .nav-i .menu li a.active {
  color: #2d5ec4;
}