.header-box {
  color: #fff;
  width: 90%;
  position: absolute;
  top: 40px;
  left: 8%;
  height: 78px;
  text-align: center;
  z-index: 11;
  display: flex;
  box-sizing: border-box;
  justify-content: space-between;
  align-items: center;
  border-radius: 8px 8px 0 0; }
  .header-box .header-logo {
    width: 200px;
    height: 100%;
    position: relative; }
    .header-box .header-logo .logo {
      vertical-align: middle;
      margin-top: 12px; }
    .header-box .header-logo .sanjiao {
      position: absolute;
      top: 0;
      right: -65px; }
  .header-box .nav {
    margin-right: 10%;
    display: flex;
    width: 60%;
    justify-content: space-between; }
    .header-box .nav a {
      color: #fff; }

.nav .nav-li.on > a {
  color: #fff; }

.nav a:before {
  background-color: #fff; }