.header {
  background: transparent;
  position: fixed;
  width: 100%;
  z-index: 99999999;
}
.header .nav {
  width: 100%;
  height: 120px;
  padding: 0 180px;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}
.header .nav .link_nav {
  width: 31%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header .nav .link_nav a {
  text-decoration: none;
}
.header .nav .link_nav .link {
  font-size: 18px;
  font-weight: 400;
  color: #FFFFFF;
  height: 120px;
  line-height: 112px;
  display: inline-block;
  box-sizing: border-box;
}
.header .nav .link_nav .link_li {
  position: relative;
}
.header .nav .link_nav .link_li ul {
  position: absolute;
  top: 120px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  z-index: 999;
  overflow: hidden;
  height: 0;
  transition: all 1s;
}
.header .nav .link_nav .link_li ul .mouseli {
  width: 100%;
  height: 41px;
  line-height: 41px;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  background: #FFD900;
  border-bottom: 1px solid rgba(0, 0, 0, 0.5);
}
.header .nav .link_nav .link_li ul .mouseli a {
  color: #000;
}
.header .nav .link_nav .link_li:hover .mouseEnter {
  height: max-content;
  transition: all 1.5s;
}
.header .nav .link_nav .link_li:hover .mouseEnter .mouseli:hover {
  background: #fff;
}
.header .nav .link_nav .link_li:hover::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: #FFD900;
}
.header .nav .link_nav .active::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 8px;
  background: #FFD900;
}
.header .nav .link_home {
  width: 38%;
  text-align: center;
}
.header .nav .link_home .logo {
  width: 168px;
  height: 32px;
}
.header .mnav {
  display: none;
}