.content{
    width: 1200px;
    margin: 60px auto 40px;
}
.content .category-list{
    width: 348px;
    margin-top: 20px;
    float: left;
}
.content .category-list .category-item{
    width: 100%;
    height: 59px;
    background: #F3F2F9;
    text-align: left;
    line-height: 59px;
    font-size: 16px;
    color: #262626;
    cursor: pointer;
    margin-top: 1px;
    padding-left: 20px;
}
.content .category-list .category-item .category-item-title{
    float: left;
}
.content .category-list .category-item .category-item-more{
    display: inline-block;
    float: right;
    margin-right: 20px;
}
.content .category-list .category-item .category-item-more .active{
    display: none;
}
.content .category-list .category-item.active{
    color: #15499A;
}
.content .category-list .category-item.active .category-item-more .active{
    display: inline-block;
}
.content .category-list .category-item.active .category-item-more .normal{
    display: none;
}


.content .products-list{
    width: 822px;
    float: right;
    display: flex;
    flex-wrap: wrap;
}
.content .products-list ul{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}
.content .products-list li{
    width: 48%;
    margin-right: 4%;
    margin-bottom: 10px;
    background-color: #FFFFFF;
    cursor: pointer;
}
.content .products-list li:nth-child(2n){
    margin-right: 0;
}
.content .products-list li .item-img{
    width: 100%;
}
.content .products-list li .item-img img{
    width: 100%;
    aspect-ratio: 4 / 3; /* 1:1 的宽高比，即高度等于宽度 */
}
.content .products-list li .item_title{
    height: 56px;
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 28px;
    margin: 10px 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.content .products-list li:hover .item_title{
    color: #15499A;
}

.content .pagination{
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

.content .content-content{
    width: 822px;
    float: right;
}
.content .post_title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 24px;
    color: #262626;
    line-height: 36px;
    margin-bottom: 30px;
    text-align: center;
}
.content .post_content img{
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.content .post_content p,
.content .post_content span{
    text-wrap: wrap !important;
}
.content .post_content embed{
    max-width:100%!important;
}
.content-bottom{
    margin-top: 50px;
}
.content-bottom .prev,
.content-bottom .next{
    font-size: 14px;
    color: #15499A;
    line-height: 21px;
    cursor: pointer;
}
.content-bottom .prev{
    float: left;
}
.content-bottom .next{
    float: right;
}


.pro_service{
    width: 822px;
    float: right;
}
.pro_service .pro_service_title{
    font-weight: bold;
    font-size: 40px;
    color: #000000;
    line-height: 40px;
    text-align: center;
}
.pro_service .pro_service_description{
    margin-top: 20px;
    font-size: 16px;
    color: #000000;
    line-height: 30px;
}
.pro_service .service_engineering{
    width: 100%;
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
    margin-left: -6px;
}
.pro_service .service_engineering .service_engineering_item{
    width: 24%;
    height: 140px;
    box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.16);;
}
.pro_service .service_engineering .service_engineering_item_num{
    font-family: DIN, DIN;
    font-weight: bold;
    font-size: 56px;
    color: #15499A;
    line-height: 60px;
    text-align: center;
    margin-top: 22px;
}
.pro_service .service_engineering .service_engineering_item_name{
    font-size: 16px;
    color: #262626;
    line-height: 30px;
    text-align: center;
}
.pro_service .bottom_img{
    width: 100%;
    text-align: center;
    margin: 30px auto;
}
.pro_service .bottom_img img{
    width: 100%;
}


.content-text{
    font-family: Arial, Arial;
    font-size: 16px;
    color: #333333;
    line-height: 33px;
}
.content-title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 36px;
    color: #000000;
    line-height: 28px;
    text-align: center;
    margin: 40px 0 30px;
}
.service-content img{
    width: 100%;
    margin-top: 30px;
}



@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .content {
        width: 900px;
    }
    .content .category-list {
        width: 261px;
    }
    .pro_service,
    .content .products-list,
    .content .content-content{
        width: 615px;
    }
    .pro_service .service_engineering .service_engineering_item_num{
        font-size: 40px;
    }
    .pro_service .service_engineering .service_engineering_item_name{
        font-size: 14px;
    }
}
@media only screen and (max-width: 1000px) {
    .content{
        width: 700px;
    }
    .content .category-list {
        width: 203px;
    }
    .content .category-list .category-item{
        font-size: 14px;
    }
    .content .products-list li .item_title{
        font-size: 14px;
        line-height: 24px;
        height: 48px;
    }
    .pro_service,
    .content .products-list,
    .content .content-content{
        width: 478px;
    }
    .content .content-title{
        font-size: 30px;
    }
    .content-text{
        font-size: 14px;
        line-height: 28px;
    }
    .pro_service .service_engineering .service_engineering_item{
        height: 100px;
    }
    .pro_service .service_engineering .service_engineering_item_num{
        font-size: 30px;
        line-height: 40px;
    }
    .pro_service .service_engineering .service_engineering_item_name{
        font-size: 12px;
    }
}