#header {
  width: 100%;
  height: 56rem;
  z-index: 99;
  border-bottom: 2rem solid #3C3C3C;
  position: fixed;
  top: 0;
  left: 0;
}
#header #logo {
  width: 210rem;
  margin-left: 130rem;
  display: block;
  padding: 14rem 0;
  position: fixed;
  top: 0;
  left: 0;
}
#header #logo img {
  width: 100%;
  transform: scale(1, 1);
}
#header .content {
  width: 100%;
  height: 56rem;
  background: #000000;
}
#header .firstUl {
  width: 900rem;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  /* 第一级li hover效果 */
  /* 第二级li 最后一个li */
}
#header .firstUl li.firstLi {
  float: left;
  width: 130rem;
  height: 54rem;
  text-align: center;
  /* 公共a */
  /* 第一级a */
  /* 第一级a: */
  /* 公共ul */
  /* 二级公共ul */
  /* 第二级ul图片 共二级 */
  /* 第二级ul文字 共二级 */
  /* 第二级ul文字 共三级 */
  /* 第三级ul文字 共三级 */
}
#header .firstUl li.firstLi a {
  color: #FFFFFF;
  cursor: pointer;
}
#header .firstUl li.firstLi .firstA {
  line-height: 54rem;
  color: #FFFFFF;
  font-size: 16rem;
  display: block;
}
#header .firstUl li.firstLi a.firstA:hover {
  color: #FFFFFF;
  border-bottom: 2rem solid #aaaaaa;
}
#header .firstUl li.firstLi ul.subnav {
  width: 100%;
  background: rgba(0, 0, 0, 0.9);
  visibility: hidden;
  display: flex;
  flex-direction: row;
  justify-content: center;
  position: absolute;
  left: 0;
  /* 公共li */
}
#header .firstUl li.firstLi ul.secondUlCommon {
  top: 55rem;
}
#header .firstUl li.firstLi ul.secondUlImageTwo {
  margin-bottom: 18rem;
  opacity: 0;
}
#header .firstUl li.firstLi ul.secondUlImageTwo li.secondLi a.secondA {
  padding: 30rem;
  width: 80rem;
  height: 80rem;
  line-height: 20rem;
  display: block;
  font-size: 16rem;
  color: #999;
}
#header .firstUl li.firstLi ul.secondUlImageTwo li.secondLi a.secondA i {
  float: right;
  margin-top: 5rem;
  opacity: 0;
}
#header .firstUl li.firstLi ul.secondUlImageTwo li.secondLi a.secondA img {
  width: 80rem;
  height: 80rem;
}
#header .firstUl li.firstLi ul.secondUlImageTwo li.secondLi a.secondA:hover {
  color: #fff;
}
#header .firstUl li.firstLi ul.secondUlImageTwo li.secondLi a.secondA:hover i {
  opacity: 1;
}
#header .firstUl li.firstLi ul.secondUlTextTwo {
  opacity: 0;
}
#header .firstUl li.firstLi ul.secondUlTextTwo li.secondLi {
  width: 100rem;
  height: 87rem;
}
#header .firstUl li.firstLi ul.secondUlTextTwo li.secondLi a.secondA p {
  line-height: 86rem;
  font-size: 16rem;
  color: #BABABA;
}
#header .firstUl li.firstLi ul.secondUlTextTwo li.secondLi:hover a.secondA p {
  color: #fff;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi {
  max-width: 200rem;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi ul.thirdUlCommon {
  display: none;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi a.secondA {
  width: 80rem;
  height: 80rem;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi a.secondA p {
  margin: 48rem 0;
  padding: 0 55rem;
  font-size: 16rem;
  color: #BABABA;
  border-right: 2rem solid #707070;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi:hover {
  /* 第三级ul 共三级 */
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi:hover ul.thirdUlCommon {
  display: block;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi:hover a.secondA p {
  color: #fff;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi:hover .thirdUlImageThree {
  visibility: visible;
}
#header .firstUl li.firstLi ul.secondUlTextThree li.secondLi:last-child a.secondA p {
  border: none;
}
#header .firstUl li.firstLi ul.thirdUlImageThree {
  padding-bottom: 134rem;
  opacity: 0;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi {
  width: 160rem;
  height: auto;
  margin-right: 64rem;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi a.thirdA {
  width: 128rem;
  height: 128rem;
  border-radius: 4rem;
  font-size: 12rem;
  color: #999;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi a.thirdA i {
  float: right;
  margin-top: 5rem;
  opacity: 0;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi a.thirdA img {
  width: 128rem;
  height: 128rem;
  border-radius: 4rem;
  margin-bottom: 16rem;
  padding: 16rem;
  transition: all 0.5s ease-out 0s;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi a.thirdA img:hover {
  width: 160rem;
  height: 160rem;
  padding: 0;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi p {
  width: 160rem;
  font-size: 16rem;
  font-weight: 400;
  color: #BABABA;
  text-align: center;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi a.thirdA:hover {
  color: #fff;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi a.thirdA:hover i {
  opacity: 1;
}
#header .firstUl li.firstLi ul.thirdUlImageThree li.thirdLi:last-child {
  margin: 0;
}
#header .firstUl li.firstLi:hover ul.subnav {
  opacity: 1;
  transform: translate3d(0rem, 0rem, 0rem);
  -moz-transform: translate3d(0rem, 0rem, 0rem);
  -webkit-transform: translate3d(0rem, 0rem, 0rem);
  display: flex;
  flex-direction: row;
  justify-content: center;
}
#header .firstUl li.firstLi:hover a {
  color: #FFFFFF;
}
#header .firstUl li.firstLi:hover .secondUlCommon {
  visibility: visible;
}
#header .firstUl li.firstLi:hover .secondLi:first-child .thirdUlImageThree {
  visibility: visible;
}
#header .firstUl li.firstLi:last-child {
  margin-right: 0;
}
#header.show {
  right: 0;
}