@charset "utf-8";
.section{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin: auto; 
    background-size: cover;
}
.tb{
    margin-top: 80px;
    margin-bottom: 80px;
}
.thead{
    text-align: center;
}
.tbody{
    margin-top: 40px;
    margin-bottom: 40px;
}
.title{
    font-size: 2rem;
    text-transform:uppercase;
}
.title:after{
    content:"";
    width: 100px;
    height: 2px;
    background-color: var(--btn_back);
    display: block;
    margin: auto;
}
.tfoot{
    position: static;
    border: none;
    background-color: transparent;
}
a.path{
    display: block;
    font-size: 1.2rem;
    text-align: center;
    margin: auto;
}
a.path:hover{
    font-weight: bold;
    color: var(--btn_back);
}
.youshi_list{
    display: grid;
    grid-template-columns: calc(33.3% - 60px/3) calc(33.3% - 60px/3) calc(33.3% - 60px/3);
    row-gap: 30px;
    column-gap: 30px;
    width: auto;
    height: auto;
    overflow: hidden;
}
@media (max-width:767px){
    .youshi_list{
        grid-template-columns: calc(50% - 20px/2) calc(50% - 20px/2);
        row-gap: 20px;
        column-gap: 20px;
    }
}
@media (max-width:767px){
    .youshi_list{
        grid-template-columns: auto;
    }
}
.youshi_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    text-align: center;
}
.youshi_pic{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    font-size: 2rem;
    margin: auto;
    overflow: hidden;
}
.youshi_name{
    font-size: 1.5rem;
    
}
.youshi_miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden; 
}
.about_back{
   
}
@media (max-width:767px){
    .about_back{
        background-attachment:fixed;
    }
}
.about{
    display: flex;
    display: -webkit-flex;
    column-gap: 5%;
}
@media (max-width:767px){
    .about{
        flex-direction: column-reverse;
        row-gap: 20px;
    }
}
.about_left{
    display: block;
    width: calc(50% - 5%/2);
    height: auto;
    overflow: hidden; 
}
.about_right{
    display: block;
    width: calc(50% - 5%/2);
    height: auto;
    overflow: hidden; 
}
@media (max-width:767px){
    .about_left,.about_right{
        width: 100%;
    }
}
.about_pic{
    display: block;
    width: 100%;
    height: auto;
    overflow: hidden; 
}
.about_content{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden; 
}
.about_content  p{
    margin: auto;
}
a.about_path{
    display: block;
    width: 120px;
    height: auto;
    overflow: hidden; 
    background-color: var(--btn_back);
    color: #fff;
    padding: 10px;
    margin-top: 20px;
    text-align: center;
    text-transform: uppercase;
    border: 2px solid transparent;
}
a.about_path:hover{
    border: 2px solid var(--btn_back);
    color: var(--btn_back);
    background-color: transparent;
}
.case_back{
    background-color: #f5f5f5;
}
.case_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){
    .case_list{
        grid-template-columns: calc(50% -  10px/2) calc(50% -  10px/2);
        column-gap: 10px;
        row-gap: 10px;
    }
}
a.case_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
}
.case_pic{
    display: block;
    width: auto;
    height: auto;
    background-size: cover;
    padding-bottom: 75%;
    background-color: #fff;
    position: relative;
}
.case_name{
    background-color:rgba(0,0,0,0.6);
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    width: auto;
    height: auto;
    position: absolute;
    left: 0px;
    right: 0px;
    top:0px;
    bottom: 0px;
    font-size: 1.2rem;
    padding: 20px;
    overflow: hidden;
    text-align: center;
    font-weight: bold;
    transition: all 0.4s;
    transform: scale(0,0);
}
.case_pic:hover>.case_name{
    transform: scale(1,1);
}
.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;
    margin-top: 20px;
    margin-bottom: 20px;
}
@media (max-width:767px){
    .product_list{
        grid-template-columns: calc(50% -  10px/2) calc(50% -  10px/2);
        column-gap: 10px;
        row-gap: 10px;
    }
}
a.product_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    transition: all 0.4s;
    transform: scale(1,1);
}
.product_pic{
    display: block;
    width: auto;
    height: auto;
    padding-bottom: 100%;
    position: relative;
    border: 1px solid #ddd;
}
.product_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: center;
    font-weight: bold;
   
}
a.product_tb:hover{
    transform: scale(1.1,1.1);
}

.news_list{
    display: grid;
    grid-template-columns: calc(33.3% -  60px/3) calc(33.3% -  60px/3) calc(33.3% -  60px/3);
    column-gap: 30px;
    row-gap: 30px;
    width: auto;
    height: auto;
    margin-top: 20px;
    margin-bottom: 20px;
}
@media (max-width:767px){
    .news_list{
        grid-template-columns: auto;
    }
}
a.news_tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    transition: all 0.4s;
    transform: scale(1,1);
}
.news_pic{
    display: block;
    width: auto;
    height: auto;
    padding-bottom: 60%;
    position: relative;
    background-color: #f5f5f5;
    background-size: cover;
}
.news_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 10px;
    margin-bottom: 10px; 
    font-size: 1.4rem;
}
.news_miaoshu{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    width: auto;
    height: auto;
    overflow: hidden;
    -webkit-line-clamp: 3;
}
.banner_list{
    display: block;
    width: auto;
    height: auto;
    position: relative;
    background-color: var(--back_color);
}
a.banner_pic{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    width: auto;
    height: calc(100vw*850/1920);

    background-size: cover;
}
a.banner_tb{
    margin: auto;
    width: auto;
    height: auto;
    overflow: hidden;
    text-align: center;
    color: #fff;
    line-height: 1.5;
}
.slide_dot{
    width:40px;
    height: 4px;
    background-color: rgba(255,255,255,0.6);
    border-radius: 2px;
    font-size: 0px;
}
.slide_dot_active{
    background-color: rgba(255,255,255,1);
}
.banner_name{
    font-size: 3.5rem;
}
.banner_miaoshu{
    font-size: 1.2rem;
}
.client_back{
    background-color: var(--back_color);
    color: #fff;
}
.client_list{
    display: block;
}
.client_list .slick-dots{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    column-gap: 5px;
}
.client_list .slick-dots>li{
    width:15px;
    height: 15px;
    background-color: rgba(255,255,255,0.6);
    border-radius: 50%;
    display: block;
    list-style: none;
}
.client_list .slick-dots>.slick-active{
    background-color: var(--btn_back);
}
.client_list .slick-dots>li>button{
    display: none;
}

.client_tb{
    display: block;
    width: auto;
    height: auto;
    max-width: 600px;
    margin: auto;
}
.client_left{
    display: flex;
    display: -webkit-flex;
    column-gap: 20px;
    align-items: center;
}
.client_ico{
    font-size: 3rem;
    color:#fff;
}
.client_miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    text-align: center;
    margin-bottom: 20px;
}
.client_right{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin:auto;
    text-align: center;
}
.client_pic{
    display: block;
    width: 50px;
    height: 50px;
    overflow: hidden;
    background-size: cover;
    border-radius: 50%;
    margin: auto;
    background-color: #fff;
}
.client_name{
    font-weight: bold;
}