@charset "utf-8";
main{
    padding-top: 50px;
    padding-bottom: 50px;
}
.product_nav li{
    height: 35px;
    margin-bottom: 50px;
}
.product_nav li a{
    font-size: 24px;
    font-weight: 700;
    color: #6f6f6f;
}
.product_nav li a.ckd,.product_nav li a:hover{
    color: #ff0909;
    text-decoration: none;
}
.product_nav li a.ckd:after,.product_nav li a:hover:after{
    display: inline-block;
    content: url("../images/_.png");
    vertical-align: middle;
    padding-left: 10px;
    background-color: #fff;
    height: 30px;
    line-height: 30px;
}
.product_con{
    margin-left: -100px;
}
.product_con li{
    padding-left: 10px;
    padding-right: 10px;
    margin-bottom: 30px;
}
.product_con .img_box{
    width: 100%;
    height: 0;
    padding-bottom: 100%;
    border-radius: 10px;
    border: 1px #aaaaaa solid;
    padding-top: 5%;
}
.product_con .img_box img{
    width: 90%;
    display: block;
    margin: 0 auto;
}
.product_con_text p{
    font-size: 14px;
    margin: 0;
    line-height: 1.8;
}
.product_con_text .ljbtn a{
    display: block;
    width: 90%;
    height: 30px;
    margin-left:auto;
    margin-right:auto;
    border-radius: 5px;
    border: 1px solid #cccccc;
    text-align: center;
    color: #f00;
    font-weight: 700;
    text-decoration: none;
    font-size: 18px;
    line-height: 28px;
}
.name,.dianyuan{
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.dyxh{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

@media (max-width: 768px) {
    main{
        padding-top: 0;
    }
    .product_con{
        margin-left: 0;
        padding-left: 5px;
        padding-right: 5px;
    }
    .product_con li{
        padding-left: 5px;
        padding-right: 5px;
    }
    .product_nav li a.ckd:after, .product_nav li a:hover:after{
        display: none;
    }
    .product_nav{
        padding-left: 0px;
        padding-right: 0px;
        margin-bottom: 20px;
    }
    .product_nav li{
        width: 33.33%;
        float: left;
        margin: 0;
    }
    .product_nav li a{
        display: block;
        width: 100%;
        height: 100%;
        font-size: 14px;
        background-color: #ff4804;
        color: #ffffff;
        border: 1px solid #ffffff;
        text-align: center;
        line-height: 35px;
    }
    .product_nav li a.ckd, .product_nav li a:hover{
        color: #ffffff;
    }

}