header {
  height: 120px;
  box-sizing: border-box;
  padding: 32px 0;
}
header .header {
  width: 1200px;
  margin: 0 auto;
  height: 100%;
  overflow: hidden;
}
header .header .logo {
  float: left;
}
header .header .logo img {
  width: 99px;
  height: 44px;
  display: inline-block;
}
header .header .logo div {
  display: inline-block;
}
header .header .logo div h3 {
  height: 24px;
  font-size: 25px;
  font-weight: 600;
  color: #000000;
  line-height: 1;
  margin-bottom: 6px;
}
header .header .logo div p {
  height: 12px;
  font-size: 12px;
  font-family: MicrosoftYaHeiUI;
  color: #373737;
  line-height: 1;
}
header .header nav {
  float: right;
}
header .header nav a {
  display: inline-block;
  font-size: 14px;
  position: relative;
  color: #323A44;
  height: 44px;
  line-height: 44px;
}
header .header nav a + a {
  margin-left: 10px;
}
header .header nav a.active,
header .header nav a:hover {
  color: #d52527;
  font-weight: 600;
}
header .header nav a:after {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  bottom: 5px;
  height: 3px;
  background: transparent;
  width: 0;
  transition: all ease .4s;
}
header .header nav a.active:after,
header .header nav a:hover:after {
  width: 100%;
  left: 0;
  background: #c30909;
}