#header {
  font-size: 0.25rem;
}
#header .nav-bar {
  width: 100%;
  height: 0.8rem;
  background-color: #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0px .3rem;
  box-sizing: border-box;
}
#header .nav-bar .logo {
  height: 0.58rem;
}
#header .nav-bar .menu-container {
  position: relative;
  z-index: 999;
}
#header .nav-bar .menu-container .bottom-border {
  border-bottom: 1px solid #dcdcdc;
}
#header .nav-bar .menu-container .menu {
  height: 0.33rem;
}
#header .nav-bar .menu-container .menu-list {
  position: absolute;
  display: none;
  width: 2rem;
  right: 0px;
  top: .8rem;
  background-color: #fff;
  text-align: center;
  color: #333;
  border-radius: 2px;
  box-shadow: 0 0 5px rgba(128, 128, 128, 0.5);
}
#header .nav-bar .menu-container .menu-list a {
  display: block;
  height: .6rem;
  line-height: .6rem;
}
#header .nav-bar .menu-container .menu-list::before {
  position: absolute;
  content: '';
  display: block;
  top: -0.2rem;
  right: .3rem;
  border-top: 0px;
  border-bottom: .2rem solid #fff;
  border-left: .2rem solid transparent;
  border-right: .2rem solid transparent;
}
#header .banner {
  position: relative;
  height: 2.8rem;
}
#header .banner img {
  width: 100%;
  height: 100%;
}
#header .banner div {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 0.35rem;
}
#header .active {
  background-color: rgba(40, 160, 238, 0.6);
  color: #fff;
}