.content .category-list{
    width: 100%;
    margin: 60px auto 40px;
}
.content .category-list .category-item{
    width: 15%;
    height: 48px;
    background: #EBEBEB;
    border-radius: 24px;
    margin-right: 2%;
    float: left;
    text-align: center;
    line-height: 48px;
    font-size: 16px;
    color: #262626;
    cursor: pointer;
}
.content .category-list .category-item:last-child{
    margin-right: 0;
}
.content .category-list .category-item.active{
    background: #15499A;
    color: #FFFFFF;
}



.content .products-list ul{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}
.content .products-list li{
    width: 32%;
    margin-right: 2%;
    margin-bottom: 70px;
    background-color: #FFFFFF;
    cursor: pointer;
    position: relative;
}
.content .products-list li:nth-child(3n){
    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{
    width: 90%;
    height: 85px;
    background: #F5F5F5;
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 16px;
    color: #262626;
    line-height: 28px;
    position: absolute;
    left: 5%;
    bottom: -50px;
    padding: 15px 20px;
}
.content .products-list li:hover .item_title{
    background: #15499A;
    color: #FFFFFF;
}

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

.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-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: 100%;
    margin: 80px auto 0;
    position: relative;
}
.pro_service .bg_img{
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
}
.pro_service .pro_service_title{
    font-weight: bold;
    font-size: 48px;
    color: #000000;
    line-height: 48px;
    text-align: center;
}
.pro_service .pro_service_description{
    margin-top: 40px;
    font-size: 16px;
    color: #000000;
    line-height: 30px;
    text-align: center;
}
.pro_service .pro_service_more{
    width: 186px;
    height: 46px;
    background: #15499A;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 46px;
    text-align: center;
    margin: 30px auto;
    cursor: pointer;
}
.pro_service .pro_service_more a{
    color: #FFFFFF;
    text-decoration: none;
}
.pro_service .service_engineering{
    width: 100%;
    display: flex;
    justify-content: space-around;
    margin-top: 60px;
}
.pro_service .service_engineering .service_engineering_item_num{
    font-family: DIN, DIN;
    font-weight: bold;
    font-size: 60px;
    color: #15499A;
    line-height: 60px;
    text-align: center;
}
.pro_service .service_engineering .service_engineering_item_name{
    font-size: 20px;
    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%;
}


.content1{
    margin: 40px auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.content-text{
    font-family: Arial, Arial;
    font-size: 16px;
    color: #333333;
    line-height: 33px;
    text-align: center;
}
.content1 .content-text{
    margin-right: 3%;
}
.content1 img{
    width: 50%;
}
.content-title{
    font-family: Arial, Arial;
    font-weight: bold;
    font-size: 36px;
    color: #000000;
    line-height: 28px;
    text-align: center;
    margin: 40px 0 30px;
}
.content2 img{
    width: 100%;
    margin-top: 30px;
}



@media only screen and (min-width: 1050px) and (max-width: 1440px) {
    .content{
        width: 80%;
    }
    .content .category-list .category-item{
        font-size: 14px;
    }
}
@media only screen and (max-width: 1050px) {
    .content{
        width: 85%;
    }
    .content .category-list .category-item{
        font-size: 12px;
    }
}