.dg-header {
  position: absolute;
  top: 0;
  width: 100%;
  background-color: transparent;
  z-index: 30;
  height: 65px;
}

.dg-header .dg-nav {
  height: 100%;
  margin: auto;
  padding: 16px 20px;
}

.dg-header .dg-nav .dg-logo {
  font-size: 0;
  margin: 0;
  width: 92px;
  height: 32.96667px;
  float: left;
}

.dg-header .dg-nav.bgc-blue {
  background-color: #1976d2;
  transition: 0.2s background-color;
}

.dg-header .dg-nav .nav-list {
  list-style: none;
  position: absolute;
  padding-left: 0;
  display: none;
  margin: 0;
  width: 100%;
  background-color: rgba(33, 34, 49, 0.95);
  left: 0;
  top: 65px;
}

.dg-header .dg-nav .nav-list>li {
  margin: 0 20px;
  font-size: 16px;
  font-weight: lighter;
  color: #fff;
}

.dg-header .dg-nav .nav-list>li a {
  height: 50px;
  line-height: 50px;
  border-bottom: 1px solid #003751;
  display: block;
  padding-left: 10px;
  text-decoration: none;
}

.dg-header .dg-nav .nav-list>li>a {
  font-size: 16px;
  color: #fff;
  text-decoration: none;
}

.dg-header .dg-nav .nav-list>li>a>i {
  transition: 0.2s;
  margin-top: 17px;
}

.dg-header .dg-nav .nav-list>li.has-child>a {
  cursor: default;
}

.dg-header .dg-nav .nav-list>li.has-child.about-dg>a {
  cursor: pointer;
}

.dg-header .dg-nav .nav-list>li>.child-list-container {
  display: none;
}

.dg-header .dg-nav .nav-list>li>.child-list-container>.child-list {
  list-style: none;
  padding-left: 20px;
}

.dg-header .dg-nav .nav-list>li>.child-list-container>.child-list a {
  color: #fff;
}

.dg-header .dg-nav .nav-list>li.show-list i {
  transform: rotate(90deg);
}

.dg-header .dg-nav .nav-list.show-list {
  display: block;
}

.dg-header .dg-nav .toogle-button-holder {
  display: inline-block;
  float: right;
  width: 50%;
  margin: 0;
}

.dg-header .dg-nav .toogle-button-holder .dg-nav-mobile-button {
  float: right;
  position: relative;
  display: inline-block;
}

.dg-header .dg-nav .toogle-button-holder .dg-nav-mobile-button .dg-button-img {
  background-image: url(//static.datagrand.com/images/share/head/m-sprite-nav.png);
  background-size: 98px auto;
  background-repeat: no-repeat;
  margin-top: 2px;
}

.dg-header .dg-nav .toogle-button-holder .dg-nav-mobile-button.m-more .dg-button-img {
  display: inline-block;
  width: 27px;
  height: 22px;
}

.dg-header .dg-nav .toogle-button-holder .dg-nav-mobile-button.m-close .dg-button-img {
  display: none;
  width: 19px;
  height: 19px;
  background-position: -51px 0;
  margin-top: 5px;
}

.dg-header .dg-nav .toogle-button-holder.show-list .m-more .dg-button-img {
  display: none;
}

.dg-header .dg-nav .toogle-button-holder.show-list .m-close .dg-button-img {
  display: inline-block;
}

@media (min-width: 480px) {
  .dg-header {
    height: 71px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .dg-header .dg-nav {
    width: 1180px;
    padding: 0;
    height: 100%;
    margin: auto;
  }
  .dg-header .dg-nav .dg-logo {
    margin: 0;
    width: 120px;
    height: 43px;
    margin-top: 13px;
  }
  .dg-header .dg-nav .nav-list {
    display: block;
    position: static;
    list-style: none;
    float: right;
    width: auto;
    padding: 0;
    background-color: transparent;
    margin: -1px 0 0;
  }
  .dg-header .dg-nav .nav-list>li {
    display: inline-block;
    position: relative;
    font-size: 16px;
    height: 100%;
    line-height: 70px;
    margin: 0 40px 0 0;
    cursor: pointer;
    text-decoration: none;
    font-weight: normal;
  }
  .dg-header .dg-nav .nav-list>li a {
    height: auto;
    line-height: 70px;
    padding-left: 0;
    border: none;
  }
  .dg-header .dg-nav .nav-list>li a.header-button {
    display: inline-block;
    border: 1px #0079ee solid;
    color: #fff;
    text-align: center;
    background: #0079ee;
    width: 100px;
    height: 34px;
    border-radius: 2px;
    line-height: 32px;
    text-decoration: none;
  }
  .dg-header .dg-nav .nav-list>li a.header-button:visited {
    color: #fff;
    background: #187afa;
  }
  .dg-header .dg-nav .nav-list>li a.header-button:hover {
    border: 1px solid #1976d2;
    background: #187afa;
    color: #fff;
  }
  .dg-header .dg-nav .nav-list>li>a:hover,
  .dg-header .dg-nav .nav-list>li>a:active {
    color: rgba(255, 253, 253, 0.8);
  }
  .dg-header .dg-nav .nav-list>li .child-list-container {
    position: absolute;
    display: none;
    opacity: 0;
    padding: 18px 10px;
    margin: 0;
    top: 60px;
    left: -20px;
  }
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list {
    list-style: none;
    background-color: rgba(17, 25, 47, .95);
    padding: 5px 0;
    white-space: nowrap;
  }
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid rgba(17, 25, 47, .95);
    top: 8px;
    left: 20px;
  }
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list li,
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list .child-title {
    padding: 0 20px;
  }
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list li>a {
    color: #fff;
    font-size: 14px;
    height: 36px;
    line-height: 36px;
    text-decoration: none;
  }
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list li>a:hover {
    color: #1976d2;
  }
  .dg-header .dg-nav .nav-list>li:last-child {
    margin-right: 0;
    font-size: 14px;
    padding: 0 20px;
  }
  .dg-header .dg-nav .nav-list>li:nth-last-child(2) {
    margin-right: 0;
    font-size: 14px;
  }
  .dg-header .dg-nav .nav-list>li:nth-last-child(3) {
    margin-right: 85px;
  }
  .dg-header .dg-nav .toogle-button-holder {
    display: none;
  }
  .flex-box {
    display: flex;
  }
  .dg-header .dg-nav .nav-list>li .child-list-container .child-list .flex-box li {
    padding: 0;
  }
}