@charset "utf-8";
.section{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    background-size: cover;
    background-repeat: no-repeat;
}
.tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 100px;
    margin-bottom: 100px;
}
.thead{
    text-align: center;
}
.title{
    font-size: 3rem;
    font-weight: bold;
    text-transform: uppercase;
}
.miaoshu{
    font-size: 1.2rem;
    line-height: 1.5;
}

.tbody{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 60px;
}
.banner_list{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    position: relative;
}
.banner_list .slide_dots{
    row-gap:5px;
    width: auto;
    height: auto;
    font-size: 0px;
    justify-content: center;
    padding-left: 80px;
    padding-right: 80px;
}
.banner_list .slide_dot{
    width:15px;
    height: 15px;
    border-radius: unset;
}
a.banner_pic{
    height: calc(100vw*800/1920);
    background-color: #f5f5f5;
}
a.youshi_path{
    padding: 10px;
    background-color: #000;
    text-align: center;
    height: 30px;
    width: auto;
    display: inline-block;
    color: #fff;
    text-transform: uppercase;
    border-radius: 25px;
    padding-left:40px;
    padding-right: 40px;
    margin-top: 20px;
}
a.youshi_path:hover{
    background-color: var(--hover_color);
}
.youshi_list{
    display: grid;
    grid-template-columns:  calc(25% - 15%/4 ) calc(25% - 15%/4 ) calc(25% - 15%/4 ) calc(25% - 15%/4 );
    column-gap: 5%;
    row-gap: 20px;
    width: auto;
    height: auto;
}
@media (max-width:767px){
    .youshi_list{
        grid-template-columns:  calc(50% - 20px/2 ) calc(50% - 20px/2 );
        column-gap: 20px;
        row-gap: 20px;
    }
}
@media (max-width:480px){
    .youshi_list{
        grid-template-columns: auto;
    }
}
.youshi_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    text-align: center;
}
.youshi_thead{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    column-gap: 10px;
    align-items: baseline;
    width: auto;
    height: auto;
    color: var(--hover_color);
    font-weight: bold;
    white-space: nowrap;
}
.youshi_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;    
    font-size:3rem ;
   
}
.youshi_ext{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 1.5rem;
}
.youshi_miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 1.2rem;
    line-height: 1.5;
}
.service_back{
    background-color: #eee;
}
.service_list{
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    row-gap: 20px;
}
.service_tb{
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    row-gap: 20px;
    width: auto;
    height: auto;
    overflow: hidden;
    background-color: #fff;
    padding: 30px;
}
.service_fold{
    font-size: 2rem;
    width: 30px;
    height: 30px;
    display: block;
    text-align: center;
    overflow: hidden;
    cursor: pointer;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.2;
}
.service_thead{
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    align-items: center;
    width: auto;
    height: auto;
    overflow: hidden;
}
.service_name{
    font-weight: bold;
    font-size: 2rem;
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
}
.service_miaoshu{
    display: none;
    width: auto;
    height: auto;
    overflow: hidden;
}
.service_tb:first-child>.service_miaoshu{display: block;}
.news_tb{
    display: flex;
    display: -webkit-flex;
    width: auto;
    height: auto;
    overflow: hidden;
    column-gap: 10px;
}
.product_title{
    color: #fff;
}
.product_list{
    display: grid;
    grid-template-columns: calc(25% - 90px/4)  calc(25% - 90px/4)  calc(25% - 90px/4)  calc(25% - 90px/4);
    column-gap: 30px;
    row-gap: 30px;
    width: auto;
    height: auto;
    overflow: hidden;
}
@media (max-width:767px){
    .product_list{
        grid-template-columns: calc(50% - 10px/2)  calc(50% - 10px/2);
        column-gap: 10px;
        row-gap: 10px;
    }
}
.product_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    background-color: #fff;
}
a.product_pic{
    display: block;
    width: auto;
    height: auto;
    position: relative;
    overflow: hidden;
    padding-bottom: 100%;
    background-color: #fff;
}
.product_right{
    display: block;
    width: auto;
    height: auto;
    padding: 10px;
}
a.product_name{
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: nowrap;
    text-overflow:ellipsis;
    text-align: center;
    font-size: 1.2rem;
}
a.news_name{
    margin-top: 0;
    margin-bottom: .5rem;
    font-family: "Oswald", sans-serif;
    font-weight: 400;
    line-height: 1.2;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    white-space: nowrap;
    text-overflow:ellipsis;
}
.case_list{
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    width: auto;
    height: auto;
    overflow: hidden;
}
.about{
    display: grid;
    grid-template-columns: calc(35% - 5%/2 ) calc(65% - 5%/2 );
    column-gap: 5%;
    row-gap: 20px;
    width: auto;
    height: auto;
    margin-top: 40px;
    margin-bottom: 100px;
}
@media (max-width:767px){
    .about{
        grid-template-columns:auto;
    }
}
.about_pic{
    display: block;
    width: 100%;
    height: auto;
    overflow: hidden;
}
.about_name{
    font-weight: bold;
    font-size: 4rem;
    color: var(--hover_color);
}
.about_title{
    font-weight: bold;
    font-size: 2rem;
}
.about_miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 1.1rem;
    margin-top: 40px;
    margin-bottom: 40px;
}
a.path{
    display: block;
    width: 210px;
    height: auto;
    overflow: hidden;
    color: #000;
    padding: 10px;
    font-size: 1.4rem;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.4s;
    text-align: center;
    margin: auto;
}
a.about_path{
    display: flex;
    display: -webkit-flex;
    column-gap: 10px;
    align-items: center;
    width: 210px;
    height: auto;
    overflow: hidden;
    color: #000;
    padding: 10px;
    font-size: 1.4rem;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.4s;
}
a.about_path:hover{
    color: #fff;
    background-color: #000;
    justify-content: center;
}
.news_list{
    display: grid;
    grid-template-columns:calc(33.3% - 80px/3)  calc(33.3% - 80px/3) calc(33.3% - 80px/3);
    row-gap: 40px;
    column-gap: 40px;
    width: auto;
    height: auto;
}
@media (max-width:767px){
    .news_list{
        grid-template-columns:auto;
        row-gap: 10px;
        column-gap: 10px;
    }
}
.news_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    background-color: #fff;
}

a.news_pic{
    display: block;
    width: auto;
    height: auto;
    background-size: cover;
    background-repeat: no-repeat;
    padding-bottom: 75%;
    background-color: #eee;
}
.news_right{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    padding:20px;
    padding-bottom: 30px;
}
a.news_name{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    width: auto;
    height: auto;
    overflow: hidden;
    -webkit-line-clamp: 1;
    font-size: 1.2rem;
    font-weight: 600;
}
.news_date{
    display: block;
    width:auto;
    height: auto;
    overflow: hidden;
    font-size: 12px;
    font-family: Arial, Helvetica, sans-serif;
    font-style: italic;
    margin-top: 10px;
    margin-bottom: 10px;
}
.news_miaoshu{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    width: auto;
    height: auto;
    overflow: hidden;
    -webkit-line-clamp:3;
    color: #666;
}

.cate_list{
    display: grid;
    grid-template-columns: auto auto auto auto;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 80px;
    background-color: #fff;
    background-image: linear-gradient(0deg,#eee,#fff);
}
.cate_item{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin: unset;
    padding: 20px;
    text-align: center;
    border-right: 1px solid #ddd;
}
@media (max-width:480px){
    .cate_item{
        padding: 5px;
    }
}
.cate_item:last-child{
    border-right: none;
}
.cate_active{
    background-color:#000;
    color: #fff;
    font-weight: bold;
    background-image:var(--primary);
}
a.cate_name{
    background-color: #fff;
    text-align: center;
    width: auto;
    height: auto;
    display: block;
    overflow: hidden;
    padding: 10px;
}
.cate_lista>a{display: none;}
a.cate_show{
    display: block;
}
a.cate_hide{
    display: none;
}
.case_list{
    display: grid;
    grid-template-columns: calc(50% - 30px/2)   calc(50% - 30px/2);
    column-gap: 30px;
    row-gap: 30px;
    width: auto;
    height: auto;
    overflow: hidden;
}
@media (max-width:480px){
    .case_list{
        grid-template-columns: auto;
    }
}
.case_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    background-color: #fff;
}
a.case_pic{
    display: block;
    width: auto;
    height: auto;
    position: relative;
    overflow: hidden;
    padding-bottom: 75%;
    background-color: #f5f5f5;
}
a.case_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    padding: 10px;
    font-size: 1.2rem;
}