.site-banners{
  position: relative;
  width: 100%;
  height: 120px;
}
.site-banners .topbar-banners{
  position: absolute;
  width: 100%;
  height: 120px;
  background-image: url(../images/49aa1df3471f88dd2235db8a40785977.jpg);
  background-repeat: no-repeat;
  background-size: auto 120px;
  background-position: 50%;
}

.site-topbar{
  position: relative;
  z-index: 30;
  height: 40px;
  color: #b0b0b0;
  background-color: #333;
  font-size: 12px;
}
.topbar-nav{
  float: left;
  height: 40px;
  line-height: 40px;
}
.topbar-nav a,
.topbar-info a{
  color: #b0b0b0;
  display: inline-block;
  line-height: 40px;
}
.topbar-nav a:hover,
.topbar-info a:hover{
  color: #fff;
}
.topbar-nav span,
.topbar-info span{
  margin: 0.3em;
  color: #424242;
}
.download-app{
  position: relative;
}
.download-app::before{
  content: "";
  display: none;
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 0;
  margin-left: -8px;
  border-width: 0 8px 8px;
  border-style: solid;
  border-color: rgba(0,0,0,0) rgba(0,0,0,0) #fff;
}
.download-app:hover::before{
  display: block;
}
.download-app span{
  position: absolute;
  top: 40px;
  left: 50%;
  width: 124px;
  height: 0;
  background-color: #fff;
  margin-left: -55px;
  box-shadow: 0 1px 5px #aaa;
  text-align: center;
  font-size: 14px;
  color: #333;
  line-height: 1;
  overflow: hidden;
  transition: height .3s;
}
.download-app:hover span{
  height: 148px;
}
.download-app span img{
  display: block;
  margin: 18px auto 12px;
}

.topbar-info{
  float: right;
  height: 40px;
  line-height: 40px;
}

.topbar-cart{
  position: relative;
  float: right;
  width: 120px;
  height: 40px;
  margin-left: 15px;
  line-height: 40px;
}
.topbar-cart a{
  position: relative;
  z-index: 30;
  display: block;
  height: 40px;
  text-align: center;
  color: #b0b0b0;
  background-color: #424242;
  transition: all .2s;
}
.topbar-cart a:hover{
  color: #ff6700;
}
.topbar-cart i{
  margin-right: 4px;
  font-size: 20px;
  line-height: 20px;
  vertical-align: -4px;
}
.cart-menu{
  width: 316px;
  height: 0;
  text-align: center;
  position: absolute;
  right: 0;
  transition: all .3s;
  box-shadow: 0 2px 10px rgb(0 0 0 / 15%);
  overflow: hidden;
  background-color: #fff;
}
.topbar-cart a:hover .cart-menu{
  height: 100px;
  color: #333;
}
.cart-menu span{
  display: block;
  padding: 20px 0 20px;
  margin: 0 20px 20px 20px;
}

.site-header{
  position: relative;
  z-index: 20;
}
.site-logo{
  float: left;
  width: 62px;
  height: 55px;
  margin-top: 22px;
}
.site-logo a{
  position: relative;
  display: block;
  width: 55px;
  height: 55px;
  background-color: #ff670f;
  overflow: hidden;
}
.site-logo a::before,
.site-logo a::after{
  content: "";
  display: block;
  width: 55px;
  height: 55px;
  position: absolute;
  top: 0;
  left: 0;
  transition: all .3s;
}
.site-logo a::before{
  background: url(../images/mi-home.png) no-repeat 50% 50%;
  opacity: 1;
  margin-left: -55px;
}
.site-logo a::after{
  background: url(../images/mi-logo.png) no-repeat 50% 50%;
  opacity: 1;
}

.site-logo a:hover::before{
  margin-left: 0px;
}
.site-logo a:hover::after{
  margin-left: +55px;
}

.header-nav{
  float: left;
  width: 850px;
}
.nav-list{
  float: left;
  width: 820px;
  height: 88px;
  margin: 0;
  padding: 12px 0 0 30px;
  font-size: 16px;
}
.empty-item,
.nav-item{
  float: left;
  vertical-align: top;
}
.empty-item{
  width: 142px;
  height: 88px;
}
.link{
  display: block;
  padding: 26px 10px 38px;
  color: #333;
  transition: color .3s;
}
.link:hover{
  color: #ff670f;
}
.children-item{
  display: block;
  position: absolute;
  z-index: 20;
  top: 100px;
  left: 0;
  width: 100%;
  height: 0;
  box-shadow: 0 0 0 rgb(0 0 0 / 0%);
  transition: all .3s;
  overflow: hidden;
  background-color: #fff;
}
.nav-item:hover .children-item{
  border-top: 1px solid #e0e0e0;
  box-shadow: 0 3px 4px rgb(0 0 0 / 18%);
  height: 229px;
}
.children-list{
  font-size: 12px;
}
.child-item{
  position: relative;
  float: left;
  width: 180px;
  padding: 35px 12px 0;
  text-align: center;
}
.child-item a{
  color: #757575;
}
.child-img{
  width: 160px;
  height: 110px;
  margin: 0 auto 16px;
  text-align: center;
}
.child-img img{
  width: 160px;
  height: 110px;
}
.child-text{
  margin: 0;
  line-height: 20px;
}
.child-prices{
  margin: 0;
  line-height: 20px;
  color: #ff6700;
}
.child-item::before{
  content: "";
  position: absolute;
  left: 0;
  top: 35px;
  z-index: 1;
  width: 1px;
  height: 100px;
  background-color: #e0e0e0;
}
.child-item:first-child::before{
  background-color: rgb(0 0 0 / 0%);
}
.header-search{
  float: left;
  width: 296px;
  margin-top: 25px;
}
.search-bar{
  position: relative;
  width: 296px;
  height: 50px;
  z-index: 20px;
}
.search-input,
.search-button{
  position: absolute;
  top: 0;
  border: 1px solid #e0e0e0;
  outline: 0;
  transition: all .3s;
}
.search-input{
  z-index: 1;
  width: 223px;
  height: 48px;
  padding: 0 10px;
  font-size: 14px;
  line-height: 48px;
  right: 51px;
  box-sizing: content-box;
}
.search-button{
  z-index: 2;
  width: 52px;
  height: 50px;
  font-size: 24px;
  line-height: 46px;
  padding: 1px 6px;
  background-color: #fff;
  color: #616161;
  right: 0;
  box-sizing: border-box;
  text-align: center;
}
.search-button:hover{
  background-color: #ff6700;
  color: #fff;
}
.search-input:hover,
.search-bar .search-input:hover ~ a .search-button{
  border-color: rgb(176, 176, 176);
}
.search-input:focus,
.search-bar .search-input:focus ~ a .search-button,
.search-bar .search-input:focus ~ .search-keyword{
  border-color: #ff6700;
}
.search-keyword{
  position: absolute;
  z-index: 20;
  left: 0;
  top: 50px;
  border: 1px solid #e0e0e0;
  border-top: 0;
  background-color: #fff;
  width: 243px;
  display: none;
}
.search-keyword a{
  color: #424242;
  font-size: 12px;
  display: block;
  padding: 6px 15px;
  position: relative;
  z-index: 40;
}
.search-keyword a:hover{
  background-color: #FAFAFA;
}
.search-input:focus ~ .search-keyword{
  display: block;
}