.header{
    width: 100%;
    height: 120px;
    overflow: hidden;
    position: relative;
}
.header img{
    height: 120px;
    width: 1800px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);

}
/* 默认有下划线，悬停时去掉 */
a {
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  color: blue; /* 悬停时改变颜色 */
}
.black-nav{
    width: 100%;
    height: 40px;
    line-height: 40%;
    background-color: #333;
    font-size: 12px;
}
.wrap{
    width: 1226px;
    margin: 0 auto;
}
.black-nav .wrap .black-nav-left{
    float: left;
    /* background-color: aqua; */
}
.black-nav .wrap .black-nav-right{
    float: right;
    /* background-color: red; */
}
.black-nav .wrap  li{
    float:left;
    list-style-type: none;
    position: relative;/* 子集会跟着father */
}
.black-nav a{

    color: #b0b0b0;
}
.black-nav .wrap  li span{
    color: #424242;
    margin: 0 3.6px;
}
.download{
    width: 124px;
    height: 0px;
    background-color: #fff;
    box-shadow: 0 1px 5px black;
    position: absolute;
    top: 40px;
    left: 50%;
    margin-left: -62px;
    /* -62px 是一半width */
    overflow: hidden;
    z-index: 10;

}
.download img{
    width: 100px;
    position: absolute;
    left: 50%;
    margin-left: -50px;
    margin-top: 30px;
    
    
}
.download p{
    color: #333;
    font-size: 12px;
    line-height: 12px;
    text-align: center;
    /* 居中 */
    
}
.black-nav-left li:hover>.download{
    height: 200px;
}
.stri{
    width: 0;
    height: 0;
    border-bottom: 8px solid white;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    position: absolute;
    bottom: -20px;
    left: 50%;
    margin-left: -8px;
    display: none;
}
.black-nav-left>li:hover>.stri{
    display: block;
}
.cart{
    width: 120px;
    height: 30px;
    background-color: #424242;
    margin-top: -10px;
    margin-left: 25px;/* 和左边的图标隔开 */
    z-index: 10;
}
.cart:hover{
    background-color: white;
}
.cart:hover>a{
    color: #ff6700;
}
.cart i{
    font-style: normal;
    margin-right: 8px ;
    line-height: 30px;
    text-align: center;
}
.cart-list{
    width: 316px;
    height: 0px;
    background: white;
    box-shadow: 0 2px 10px black;
    position: absolute;
    right: 0;
    top: 40px;
    color: #333;
    overflow: hidden;
    line-height: 100px;
    text-align: center;
}
.cart:hover>.cart-list{
    height: 100px;
}

.white-nav{
    width: 100%;
    height: 100px;
    background-color: #756666;
    position: relative;
}
.logo{
    width: 55px;
    height: 55px;
    background-color: red;
    float: left;
    margin-top: 16px;
    overflow: hidden;
    position: relative;
    border-radius: 20px;
}
.logo>img{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    
    transition: all 0.2s;
}
.mi-home{
    left: -55px;

}
.mi-logo{
    left: 0;
}
.logo:hover>.mi-home{
    left: 0;
}
.logo:hover>.mi-logo{
    left: 55px;
}
.nav-bar{
    width: 875px;
    height: 100px;
    line-height: 50px;
    float: left;
    

}
.search{
    width: 296px;
    height: 100px;
    float: right;
}

.nav-bar li{
    float: left;
    list-style-type: none;
    

}
.nav-bar li a{
    color: #333;
    padding: 0 10px;
}
.nav-bar li a:hover{
    color: #ff6700;
}
.nav-bar ul li img{
    margin-top: 12.5px;
}
.search input{
    width: 244px;
    height: 50px;
    float: left;
    border: 1px solid #e0e0e0;
    box-sizing: border-box;
    margin-top: 25px;
    padding: 0 10px;
    border-right: 0px;
    outline: none;/* 选中后不给边框 */
}
.search button{
    width: 52px;
    height: 50px;
    float: right;
    border: 1px solid rebeccapurple;
    padding: 0 10px;
    margin-top: 25px;
}
.search button:hover{
    background:orange;
    color: #fff;

}
.nav-bar-list{
    width: 100%;
    height: 250px;
    background: white;
    border-top: 1px solid #eee;
    box-shadow: 0 3px 4px rgba(0,0,0,0.1);
    position: absolute;
    left: 0;
    top: 100px;/* 这是和小米手机栏的间隔 */
    line-height: normal;
    /* display: none;     */
    display: none;
    z-index: 10;
}

.nav-bar li:hover>.nav-bar-list{
    display: block;
}

.nav-bar-list li{
    line-height: normal;
    border-right: 1px solid #eee;
    margin: 10px;
}

.nav-bar-list .name{
    font-size: 12px;
    color: #333;

}

.nav-bar-list .price{
    font-size: 12px;
    color: rgb(201, 181, 67);

}
.nav-bar-list .wrap a{
    padding: 0;

}
.nav-bar ul li .giflogoimg{
    padding: 0;
    margin-top: 0;
}

.banner{
    width: 100%;
    height: 460px;
}
.banner-img{
    width: 100%;
    margin: 0;
    padding: 0;
    top: -4px;
    position: relative;
}
.slide{
    width: 234px;
    height: 420px;
    padding: 20px 0;
    background-color: rgba(105,101,101,0.6);
    position: absolute;
    left: 0;
    top: 0;
}
.banner>.wrap{
    position: relative;
}
.slide>ul{
    list-style-type: none;
    margin: 0;
    padding: 0;
}
.slide>ul>li{
    height: 42px;
    line-height: 42px;
    text-align: left;
    padding-left: 30px;
    font-size: 12px;
    
}
.slide>ul>li>a{
    color: white;
}
.slide i{
    float: right;
    padding-right: 20px;
}
.slide>ul>li:hover{
    background-color: #ff6700;
}

.slide-list{
    width: 992px;
    height: 460px;
    background-color: white;
    border: 1px solid gray;
    border-left: none;
    box-sizing: border-box;
    box-shadow: 0 8px 16px black;
    position: absolute;
    top: 0;
    left: 234px;
    display: none;
}
.slide-list ul{
    width: 100%;
    list-style-type: none;
}
.slide-list ul li{
    width: 250px;
    height: 76px;
    float: left;
    padding: 18px 0 18px 20px;
    box-sizing: border-box;
    line-height: 76px;
}
.slide-list img{
    width: 40px;
    margin-right: 5px;
}
.slide-list span{
    color: #333;
    font-size: 14px;
    position: relative;
    top: -20px;
}
.slide li:hover .slide-list {
    display: block;
    
}
.slide-list li:hover span{
    color: aqua;   
}

.ad{
    width: 100%;
    height: 170px;
    padding: 14px 0;
    background-color: white;

}
.ad-aside{
    width: 234px;
    height: 170px;
    background-color: #5f5750;
    padding: 3px;
    box-sizing: border-box;
    font-size: 12px;
    float: left;
}
.ad-aside ul{
    list-style-type: none;
    margin: 0;
}
.ad-aside li{
    float: left;
    width: 76px;
    height: 82px;
    padding-top: 6px;
    box-sizing: border-box;
    opacity: 0.7;
}
.ad-aside i{
    font-size: 24px;
    margin-bottom: 4px;
    display: block;
    color: white;
}
.ad-aside p{
    color: white;
}
.ad-aside li:hover{
    opacity: 1;
}
.ad-img{
    width: 316px;
    height: 170px;
    margin-left: 11px;
    float: left;
}
.ad-img img{
    width: 100%;
}

.content{
    width: 100%;
    background-color: white;
    overflow: hidden;
    padding: 4px 0 12px;
}
.title{
    text-align: left;
    color: #333;
    font-size: 22px;
    font-weight: 200;
    line-height: 58px;
    margin-top: 0;
    padding-top: 0;

}
.phone-box{
    width: 100%;
    height: 614px;

}
.phone-box-left{
    width: 234px;
    height: 614px;
    float: left;
}
.phone-box-left-img{
    width: 100%;
    height: 100%;
}
.phone-box-right{
    width: 992px;
    height: 614px;
    float: left;
}
.item{
    width: 234px;
    height: 300px;
    margin: 0 0 14px 14px;
    background: rgba(59, 52, 53, 0.1);
    padding: 20px 0;
    box-sizing: border-box;
    float: left;
    transition: all 0.2s linear;
}
.item:hover{
    transform: translateY(-20px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.item-img{
    margin-top: -15px;
    padding-left: 25%;
    width: 50%;
    height: 50%;
}
.item-name{
    padding-top: 10px;
    width: 214px;
    height: 42px;
    color: #333;
    line-height: 21px;
    align-items: center;
    text-align: center;
    margin: 0 auto 2px;
}
.item-desc{
    width: 214px;
    height: 48px;
    color: #b0b0b0;
    font-size: 12px;
    line-height: 18px;
    text-align: center;
    margin: 0 auto 10px;
    white-space: pre-line; /* 保留换行符并自动换行 */
}
.item-price{
    color: #ff6700;
    font-size: 14px;
    text-align: center;
}
.big-img{
    width: 100%;
    height: 120px;
    margin: 22px 0;
}

.elc-box{
    width: 100%;
    height: 614px;
}
.item.elc-item{
    margin: 0;
    padding: 0;
}
.item-price del{
    color: #333;
    opacity: 0.8;
    margin-left: 10px;
}
.item-img.dianshi{
    padding: 0;
    width: 80%;
    margin-left: 10%;
}
.item-last{
    
    width: 234px;
    height: 300px;
    margin: 0 0 14px 14px;
    float: left;
}
.item-last div{
    width: 100%;
    height: 143px;
    background: rgba(59, 52, 53, 0.1);
    color: red;
    box-sizing: border-box;
    border-top: 10px;
    float: left;
    transition: all 0.2s linear;
    
}
.item-last div img{
    height: 100%;
    width: 100%;
}
.item-last>div:first-child{
    margin-bottom: 14px;
}
.item-last>div:hover{
    transform: rotateY(30deg) translateY(-9px);
    
    box-shadow: 0 15px 30px rgba(0,0,0,0.6);
}
.video-box{
    width: 100%;
}
.video-box>div{
    width: 296px;
    float: left;
    margin-bottom: 14px;
    margin-right: 14px;
    
    transition: all 0.5s linear;
}
.video-box>div:last-child{
    margin-right: 0;
}

.video-box>div:hover{
    transform: translateY(-6px)  rotateZ(5deg);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.video-box>div:hover .video-img{
    transform: translateY(-6px)  rotateZ(5deg);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.video-box>div>.video-img{
    width: 100%;
    height: 50%;
    margin-bottom: 20px;
    border: 2px solid white;
    position: relative;
}
.btn{
    width: 32px;
    height: 20px;
    border-radius: 12px;
    border: 2px solid white;
    position: absolute;
    left: 10px;
    bottom: 10px;
}
.sanjiao{
    width: 0;
    height: 0;
    border-left: 8px solid white;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    margin: 5px  auto;
}
.video-img img{
    width: 100%;
    height: 100%;
}
.video-name{
    color: black;
    font-size: 15px;
    width: 285px;
    height: 21px;
    margin: 0 auto;
    text-align: left;
}
.video-desc{
    color: lightgray;
    width: 285px;
    height: 18px;
    font-size: 14px;
}
.video-img:hover .btn{
    background: #ff6700;
    border-color: #ff6700;
}

.footer-service{
    height: 25px;
    line-height: 25px;
    width: 100%;
    
    padding: 27px 0;
    border-bottom: 1px solid #e0e0e0;
}
.footer-service li{
    float: left;
    width: 20%;
    border-right: 1px solid #b0b0b0;
    text-align: center;
    /* box-sizing: border-box; 不让边框border撑大1px*/
    box-sizing: border-box;
}
.footer-service li:last-child{
    border-right: 0;
}


/* .footer-service ul li{
    display: flex;
     justify-content: space-between;   
} */
.footer-service ul{
    list-style-type: none;
    padding: 0;
}
.footer-service i{
    font-size: 24px;
}

.footer-link{
    
    width: 100%;
    height: 172px;
    padding: 40px 0;
}
.footer-link ul{
    float: left;
    width: 120px;
    text-align: left;
    color: #424242;
    font-size: 14px;
    line-height: 1.25;
}
.footer-link ul a{
    font-size: 12px;
    color: #757575;
}
.footer-link ul li{
    margin-top: 10px ;
}
.footer-link ul li:first-child{
    margin-bottom: 20px;
    list-style-type: none;
    margin-left: -10px ;
}
.footer-aside{
    
    width: 250px;
    height: 111px;
    border-left: 1px solid #333;
    color: #616161;
    float: right;
    padding-left: 10px;
    text-align: center;
}
.footer-aside .tel{
    font-size: 22px;
    line-height: 22px;
    color: #ff6700;
    margin-bottom: 5px;
}
.footer-aside .time{
    font-size: 12px;
    margin-bottom: 5px;
}
.kefu{
    display: block;
    width: 120px;
    height: 30px;
    line-height: 30px;
    border: 1px solid #ff6700;
    box-sizing: border-box;
    margin: 0 auto;
    color: #ff6700;
    text-align: center;
    font-size: 12px;
    transition:  all 0.4s linear;
}
.kefu:hover{
    background: #ff6700;
    border-color: #ff6700;
    color: white;
}
.follow{
    font-size: 14px;
    margin-top: 10px;

}
.follow img{
    width: 24px;
    margin-left: 6px;
    position: relative;
    top: 7px;
}