.product{
    padding: 0.8rem 0 1rem;
    box-sizing: border-box;
}
.product .main{
    display: flex;
    justify-content: space-between;
}

.product_fl{
    width: 2.64rem;
}
.product_nav{
    position: sticky;
    top: 2rem;
    border-left: 0.01rem dashed #C1C1C1;
    margin-left: 0.07rem;
    padding-left: 0.17rem;
}
.product_nav .product_type{
    width: 2.4rem;
    height: 0.48rem;
    background: #F1F1F2;
    border-radius: 0.24rem;
    padding: 0.14rem 0.25rem;
    box-sizing: border-box;
    margin-bottom: 0.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    position: relative;
}
.product_nav .product_type::before{
    content: "";
    position: absolute;
    width: 0.14rem;
    height: 0.14rem;
    background: #FFFFFF;
    border: 2px solid #0099CD;
    left: -0.24rem;
    border-radius: 50%;
    box-sizing: border-box;
}
.product_nav .product_type:last-child{
    margin-bottom: 0;
}
.product_nav .product_type i{
    display: none;
    width: 0.06rem;
    height: 0.12rem;
}
.product_nav .product_type i img{
    filter: brightness(0) invert(1);
}
.product_nav .product_type.act,
.product_nav .product_type:hover{
    background: #0099CD;
    color: #fff;
}
.product_nav .product_type.act i,
.product_nav .product_type:hover i{
    display: block;
}
.product_nav .product_type.act::before,
.product_nav .product_type:hover::before{
    background: #0099CD;
}











.product_fr{
    width: 12.72rem;
    display: flex;
    flex-wrap: wrap;
    row-gap: 0.6rem;
}
.product_div:last-child{
    margin-bottom: 0;
}
.product_div .product_class{
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 0.02rem solid #C5C5C5;
    padding-bottom: 0.2rem;
    margin-bottom: 0.3rem;
    position: relative;
}
.product_div .product_class::before{
    content: "";
    position: absolute;
    width: 0.5rem;
    height: 0.02rem;
    background: #0099CD;
    bottom: -0.01rem;
}
.product_div .product_class .product_name{
    font-weight: bold;
    font-size: 0.24rem;
    color: #333333;
}
.product_div .product_class .product_more{
    width: auto;
    height: auto;
    font-weight: 400;
    font-size: 0.16rem;
    color: #666666;
}
.product_list{
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}
.product_list .product_item{
    width: calc(33.33% - 0.2rem);
    height: 3.86rem;
    background: #FFFFFF;
    box-shadow: 0rem 0rem 0.06rem 0.01rem rgba(0,0,0,0.16);
    border-radius: 0.05rem;
    padding: 0.25rem 0.2rem 0.2rem;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    align-content: space-between;
}
.product_list .product_item .product_txt{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
    width: 100%;
    position: relative;
}
.product_list .product_item .product_txt::before{
    content: "";
    position: absolute;
    width: 0.3rem;
    height: 0.01rem;
    background: #0099CD;
    left: 0;
    bottom: -0.21rem;
    transition: all 0.5s;
}
.product_list .product_item .product_txt .product_title{
    font-weight: bold;
    font-size: 0.16rem;
    color: #333333;
    max-width: 3.04rem;
}
.product_list .product_item .product_txt i{
    width: 0.22rem;
    height: 0.22rem;
    background: #D9D9D9 url(../img/jiantou1.png) center no-repeat;
    background-size: auto;
    border-radius: 50%;
    transition: all 0.5s;
}
.product_list .product_item .product_img{
    width: 100%;
    height: 2.8rem;
    background: #F6F7F9;
    border-radius: 0.05rem;
    overflow: hidden;
}
.product_list .product_item:hover{
    box-shadow: 0rem 0rem 0.15rem 0.01rem rgba(7,113,149,0.35);
}
.product_list .product_item:hover .product_txt::before{
    width: 100%;
}
.product_list .product_item:hover .product_txt .product_title{
    color: #0099CD;
}
.product_list .product_item:hover .product_txt i{
    width: 0.4rem;
    background: #0099CD url(../img/jiantou2.png) center no-repeat;
    border-radius: 0.11rem;
}
.product_div{
    scroll-margin-top: 2rem;
    width: 100%;
}









@media screen and (max-width: 1043px) {
    .product .main{
        flex-wrap: wrap;
        row-gap: 0.4rem;
    }
    .product_fl{
        width: 100%;
        margin-bottom: 0.4rem;
    }
    .product_nav{
        position: initial;
        display: flex;
        flex-wrap: wrap;
        row-gap: 0.2rem;
        column-gap: 0.1rem;
        border: none;
        padding: 0;
    }
    .product_nav .product_type{
        margin-bottom: 0;
        width: calc(33.33% - 0.073rem);
        font-size: 0.28rem;
        text-align: center;
        height: auto;
        line-height: 1.5;
        justify-content: center;
    }
    .product_nav .product_type.act i,
    .product_nav .product_type:hover i,
    .product_nav .product_type::before{
        display: none;
    }
    .product_fr{
        width: 100%;
    }
    .product_list .product_item{
        width: 90%;
        height: auto;
        margin: 0 auto;
    }
    .product_list .product_item .product_txt .product_title{
        font-size: 0.3rem;
        max-width: calc(100% - 0.3rem);
    }
    .product_list .product_item .product_txt i{
        width: 0.3rem;
        height: 0.3rem;
    }
    
    
    .product_div .product_class .product_name{
        font-size: 0.34rem;
    }
    .product_div .product_class .product_more{
        font-size: 0.28rem;
    }
    .product_list .product_item .product_img{
        width: 100%;
        height: auto;
    }
}