.header {
  background-color: #000;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 1rem;
  padding: 0 0.5rem;
  border-bottom: 1px solid #555;
}
.header .icon {
  display: inline-block;
  width: 1.66rem;
  height: 0.64rem;
  margin-top: 0.16rem;
}
.header .icon img {
  width: 100%;
  height: 100%;
}
.header .menu-button {
  position: absolute;
  right: 0.5rem;
  top: 0.28rem;
  z-index: 10;
  width: 0.4rem;
  height: 0.34rem;
  background-color: transparent;
  cursor: pointer;
  -webkit-transition: 0.3s;
  transition: 0.3s;
  padding: 0;
}
.header .menu-button .bar {
  display: block;
  width: 0.4rem;
  height: 0.06rem;
  border-radius: 1rem;
  margin: 0.08rem auto;
  background-color: #fff;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.header .menu-button .bar:nth-of-type(1) {
  margin-top: 0;
}
.header .menu-button .bar:nth-of-type(3) {
  margin-bottom: 0px;
}
.header .menu-button.cross .bar:nth-of-type(1) {
  transform: rotate(-47deg) translateY(0.1rem) translateX(-0.1rem);
}
.header .menu-button.cross .bar:nth-of-type(2) {
  opacity: 0;
}
.header .menu-button.cross .bar:nth-of-type(3) {
  transform: rotate(46deg) translateY(-0.11rem) translateX(-0.085rem);
}
.header .menu_list {
  position: absolute;
  left: 0;
  top: 1rem;
  width: 100%;
  height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all ease 0.5s;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background-color: rgba(0, 0, 0, 0.9);
  padding: 0 30px;
}
.header .menu_list.close {
  height: 0;
}
.header .menu_list.open {
  opacity: 1;
  height: calc(100vh - 1rem);
}
.header .menu_list li {
  display: flex;
  justify-content: center;
  color: #fff;
  font-size: 0.24rem;
  height: 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.38);
}
.header .menu_list li a {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  height: 100%;
  color: #fff;
  font-weight: 700;
  font-size: 0.32rem;
  padding-left: 0.14rem;
}
.header .menu_list li a i {
  width: 0.32rem;
  height: 0.32rem;
  margin-right: 0.36rem;
  background-position: 0 0;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
.header .menu_list li a i.i1 {
  background-image: url(../addimages/index/nav1.png);
}
.header .menu_list li a i.i2 {
  background-image: url(../addimages/index/nav2.png);
}
.header .menu_list li a i.i3 {
  background-image: url(../addimages/index/nav3.png);
}
.header .menu_list li a i.i4 {
  background-image: url(../addimages/index/nav4.png);
}
.header .menu_list li a i.i5 {
  background-image: url(../addimages/index/nav5.png);
}
.header .menu_list li a i.i6 {
  background-image: url(../addimages/index/nav6.png);
}
.header .menu_list li a i.i7 {
  background-image: url(../addimages/index/nav7.png);
}
.header .menu_list li.cur a,
.header .menu_list li:hover a {
  color: var(--theme-color);
}
.header .menu_list li.cur i.i1,
.header .menu_list li:hover i.i1 {
  background-image: url(../addimages/index/nav1_a.png);
}
.header .menu_list li.cur i.i2,
.header .menu_list li:hover i.i2 {
  background-image: url(../addimages/index/nav2_a.png);
}
.header .menu_list li.cur i.i3,
.header .menu_list li:hover i.i3 {
  background-image: url(../addimages/index/nav3_a.png);
}
.header .menu_list li.cur i.i4,
.header .menu_list li:hover i.i4 {
  background-image: url(../addimages/index/nav4_a.png);
}
.header .menu_list li.cur i.i5,
.header .menu_list li:hover i.i5 {
  background-image: url(../addimages/index/nav5_a.png);
}
.header .menu_list li.cur i.i6,
.header .menu_list li:hover i.i6 {
  background-image: url(../addimages/index/nav6_a.png);
}
.header .menu_list li.cur i.i7,
.header .menu_list li:hover i.i7 {
  background-image: url(../addimages/index/nav7_a.png);
}
.header .back {
  margin-top: 0.36rem;
  width: 0.28rem;
  height: 0.28rem;
  border-radius: 0.04rem;
  border-top: 0.06rem solid #fff;
  border-left: 0.06rem solid #fff;
  transform: rotate(-45deg);
}
.header p {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 4rem;
  height: 100%;
  line-height: 1rem;
  text-align: center;
  color: #fff;
  font-size: 0.32rem;
  font-weight: 700;
}
#index .header {
  background-color: transparent;
  border: none;
}
#index .header.open {
  transition: all ease 0.5s;
  background-color: rgba(0, 0, 0, 0.8) !important;
}
#index .header.close {
  transition: all ease 0.5s;
  background-color: transparent !important;
}
#index .header.black {
  background-color: #000 !important;
}
.header.open {
  transition: all ease 0.5s;
  background-color: #000;
}
.header.close {
  transition: all ease 0.5s;
  background-color: #000;
}
.mt50 {
  margin-top: 1rem;
}