/* 全局样式 */
* {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

/* 顶部导航 */
.topNav {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 5;
  padding-top: 45px;
  padding-left: 60px;
}

.topNav .logo {
  width: 99px;
  height: 41px;
  background: url(../imgs/logo.png) no-repeat;
  background-size: cover;
  margin-right: 50px;
  float: left;
}
.topNav .logoD{
  background: url(../imgs/logoD.png) no-repeat;
}

.topNav .nav {
  float: left;
}

.topNav .nav li {
  float: left;
  margin-left: 60px;
  line-height: 37px;
  font-size: 24px;
  border-bottom: 4px solid transparent;
}

.topNav .nav li.activeLi {
  border-bottom: 4px solid #00DDDA;
}

.topNav .nav li a {
  color: #eaffff;
}
.topNav .nav li.liD a {
  color: #0c0025;
}