.pt_head{
    width: 100%;
}
.pt_top{
    background: #F5F5F5;
    width: 100%;
    position: relative;
    height: 0.35rem;
    border-bottom: 1px solid #E9E9E9;
}
.pt_top .top_wrap{
    width: 12rem;
    margin: 0 auto;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.pt_top .top_wrap .top_left{
    display: flex;
    align-items: center;
}
.pt_top .top_wrap .top_left .top_left_city{
    display: flex;
    align-items: center;
    font-size: .12rem;
    color:#797979;
    position: relative;
}
.pt_top .top_wrap .top_left .top_left_city i{
    width: .11rem;
    height: .14rem;
    background: url(../images/top/top_icon01.png)no-repeat center/100% 100%;
    margin-right: .06rem;
}
.pt_top .top_wrap .top_left .top_left_city .city_txt{
    color:#FF552B;
    line-height: .35rem;
}
.pt_top .top_wrap .top_left p{
    font-size: .12rem;
    color:#797979;
    margin-left: .2rem;
}
.pt_top .tel_href{
    display: flex;
    align-items: center;
    position: relative;
    font-size: .12rem;
    color:#797979;
}
.pt_top .tel_href i{
    width: .13rem;
    height: .12rem;
    background: url(../images/top/top_icon02.png)no-repeat center/100% 100%;
    margin-right: .05rem;
}
.pt_top .tel_href b{
    font-size: .16rem;
    color:#FF552B;
    font-weight: bold;
    margin-left: .07rem;
}
.pt_head .pt_nav {
    width: 100%;
    height: .9rem;
    position: relative;
    box-shadow: 0 0.05rem 0.15rem rgb(0 0 0 / 5%);
    background: #FFFFFF;
    z-index: 5;
}
.pt_head .pt_nav .nav_wrap{
    width: 12rem;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.pt_nav .nav_wrap .logo{
    height: 100%;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.pt_nav .nav_wrap .logo img{
    width: .44rem;
    height: 90%;
    object-fit: contain;
}
.pt_nav .nav_wrap .logo .nav_wrap_text{
    margin-left: .09rem;
}
.pt_nav .nav_wrap .logo .nav_wrap_text .tit{
    font-size: .24rem;
    color:#323232;
    font-weight: bold;
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}
.pt_nav .nav_wrap .logo .nav_wrap_text .sub{
    text-transform: uppercase;
    font-size: .12rem;
    font-weight: bold;
}
.pt_nav .nav_wrap .nav_list{
    display: flex;
    align-items: center;
    height: 100%;
}
.pt_nav .nav_wrap .nav_list .nav_list_item{
    position: relative;
    height: 100%;
    z-index: 1;
}
.pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_item_btn{
    line-height: .9rem;
    font-size: .16rem;
    color:#323232;
    padding: 0 .2rem;
    transition: all .5s ease;
    display: flex;
    align-items: center;
    box-shadow: 0 0.05rem 0.15rem rgb(0 0 0 / 5%);
    white-space: nowrap;
    box-sizing: border-box;
}
.pt_nav .nav_wrap .nav_list .nav_list_item.active .nav_list_item_btn,.pt_nav .nav_wrap .nav_list .nav_list_item:hover .nav_list_item_btn{
    color:#FF552B;
    font-weight: bold;
}
.pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_item_btn i{
    width: .08rem;
    height: .05rem;
    background: url(../images/top/top_icon03.png)no-repeat center/100% 100%;
    margin-left: .06rem;
    transition: all .5s ease;
}
.pt_nav .nav_wrap .nav_list .nav_list_item:hover .nav_list_item_btn i{
    transform: rotate(180deg);
}
.pt_nav .nav_wrap .nav_list .nav_list_item.active::after{
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    width: .25rem;
    height: .03rem;
    background: #FF552B;
    z-index: -1;
}
.pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_ul{
    position: absolute;
    top: .9rem;
    left: 50%;
    transform: translateX(-50%);
    border: 1px solid #E0E0E0;
    padding: .09rem .12rem .13rem;
    min-width: 1.24rem;
    background: #FFFFFF;
    box-shadow: 0 .15rem .32rem rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transition: all .5s ease;
}
.pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_ul .nav_list_ul_li{
    line-height: .4rem;
    font-size: .16rem;
    display: block;
    text-align: center;
    border-bottom: 1px dashed #E0E0E0;
    transition: all .5s ease;
}
.pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_ul .nav_list_ul_li:hover{
    color:#FF552B;
}
.pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_ul .nav_list_ul_li:last-child{
    border-bottom: 0;
}
.pt_nav .nav_wrap .nav_list .nav_list_item:hover .nav_list_ul{
    opacity: 1;
    visibility: visible;
}
.pe_city{
    display: none;
}

@media screen and (max-width: 1200px) {
    .pt_top .top_wrap,.pt_head .pt_nav .nav_wrap{
        width:100%;
    }
}
@media screen and (max-width: 750px) {
    .pt_top{
        display: none;
    }
    .pt_head .pt_nav{
        height: 1rem;
        position: fixed;
        width: 100%;
        z-index: 9;
    }
    .pt_nav .nav_wrap .nav_list{
        position: fixed;
        width: 45%;
        right: 2%;
        top: 1.2rem;
        background: white;
        z-index: 4;
        border-radius: 0.04rem;
        height: auto;
        opacity: 0;
        visibility: hidden;
        transition: all 0.5s ease;
        display: block;
    }
    .pt_nav .nav_wrap .nav_list.active {
        opacity: 1;
        visibility: visible;
        transition: all 0.5s ease;
    }
    .pt_head .pt_nav .nav_wrap{
        justify-content:center;
    }
    .pt_nav .nav_wrap .logo img{
        width:.6rem;
    }
    .pe_city{
        display:block;
        height: 100%;
        position: absolute;
        left: .2rem;
        top: 0;
        display: flex;
        align-items: center;
        font-size: .28rem;
    }
    .pe_city i{
        width:.22rem;
        height: .28rem;
        margin-right: .1rem;
        background: url(/images/top/top_icon01.png)no-repeat center/100% 100%;
    }
    .cyl_head_box_zw {
        height: 1rem;
    }
    .nav_list_btn {
        position: absolute;
        right: 0;
        top: 0;
        width: 0.4rem;
        height: 100%;
        background: url(/images/nav_more.png)no-repeat center/0.4rem;
        padding: 0 0.2rem;
    }
    .fix-box-zz {
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(0,0,0,.8);
        z-index: 3;
        opacity: 0;
        visibility: hidden;
        transition: all 0.5s ease;
    }
    .fix-box-zz.active {
        opacity: 1;
        visibility: visible;
        transition: all 0.5s ease;
    }
    .pt_nav .nav_wrap .nav_list .nav_list_item {
        float: initial;
        margin: 0 0.2rem;
        height: auto;
    }
    .pt_nav .nav_wrap .nav_list .nav_list_item .nav_list_item_btn{
        width: 100%;
        display: block;
        font-size: .3rem;
        height: 0.86rem;
        border-bottom: 1px solid #E0E0E0;
        line-height: .88rem;
        padding: 0;
        margin: 0;
        border-right: none;
        padding: 0 0.2rem;
        box-sizing: border-box;
    }
    .pt_nav .nav_wrap .nav_list .nav_list_item.active::after{
        display: none;
    }
}