.head {
  width: 100%;
  box-sizing: border-box;
  height: 70px;
  padding: 0 4rem;
  background: #FFFFFF;
  box-shadow: 0 0 3rem 0 rgba(0, 0, 0, 0.05);
}

.nav_wrp {
  max-width: 1500px;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
}

.nav_left {
  display: flex;
}

.nav_wrp .login_wrp {
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  background-color: #fff !important;
  color: #222;
  font-size: 16px;
  display: none;
  cursor: pointer;
  height: 100%;
  line-height: 70px;
}

.item_wrp .layui-nav-child {
  top: 60px;
}

.nav_wrp .login_wrp_show {
  display: block;
}


.nav_wrp .login_wrp .login_text {
  color: #222;
  font-size: 16px;
}

.nav {
  display: flex;
  align-items: center;
  height: 70px;
  margin-right: 7rem;
  cursor: pointer;
  border-bottom: 0.3rem solid #fff;
}

._nav {
  border-bottom: 0.3rem solid #222;
}

.nav img {
  width: 23px;
  height: 23px;
}

.nav span {
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #222222;
  margin-left: 0.5rem;
}

.nav ._bold {
  font-weight: bold;
}

.footer {
  width: 100%;
  height: 70px;
  background: #222222;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer span {
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 14px;
  color: #AAAAAA;
  margin-right: 4rem;
}