header{
    min-width: 1200px;
    height: 100px;
   
}
header .box{
    position: fixed;
    left: 0;
    right: 0;
    margin: 0 auto;
    background-color: #fff;
    z-index: 999;
    min-width: 1200px;
}
header .topbar{

    height: 100px;
    line-height: 100px;

    /* background-color: #f5f5f5; */

}
header .topbar h1{
    width: 169px;
    height: 100px;
   background-image: url(../img/home/logo.png);
   background-repeat: no-repeat;
   background-position: center;
}
header .topbar h1 a{
    display: block;
    height: 100px;
    text-indent: -9999px;
}
header .topbar ul{
    display: flex;
}
header .topbar ul li{
    margin-right: 25px;

}
header .topbar ul li .item{
    display: block;
    height: 100px;
    padding: 0 10px;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}
header .topbar ul li .item.active,
header .topbar ul li .item:hover{
    color: #FFB55C;
    box-sizing: border-box;
    border-bottom: 4px solid #FFB55C;
}
header .topbar ul li .item.phone{
    display: flex;
    align-items: center;
}

header .topbar ul li .item.phone,
header .topbar ul li .item.phone.active,
header .topbar ul li .item.phone:hover{
    color: #FFB55C;
    box-sizing: border-box;
    border-bottom: none;
}

header .topbar ul li .item.phone .icon-phone{
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 8px;
    background-image: url(../img/home/phone.png);
}