@charset "utf-8";
.section{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin: auto;
    background-size: cover;
    background-repeat: no-repeat;
}
.tb{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    max-width: var(--max_width);
    margin: auto;
    margin-top: 60px;
    margin-bottom: 60px;
}
.thead{
    display: flex;
    display: -webkit-flex;
    width: auto;
    height: auto;
    overflow: hidden;
    text-align: center;
}
.tbody{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 20px;
}
.title{
    display: flex;
    display: -webkit-flex;
    font-family: "GlowSansSC-Wide-Bold";
    font-size: 2rem;
    column-gap: 5px;
    width: auto;
    height: auto;
    overflow: hidden;
    font-weight: bold;
    color: #000;
}
.title>span{
    font-weight: 400;
}
@media (max-width:767px){
    .title{
        font-size: 1.5rem;
    }
}
.miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 1rem;
}
.product>.title>span{color: var(--back_color);}
.banner_list{
    display: block;
    width: auto;
    height: calc(100vw*1000/1920);
    overflow: hidden;
    position: relative;
}
.banner_pic{
    display: block;
    width: 100%;
    height: calc(100vw*1000/1920);
    overflow: hidden;
}
.banner_list .slick-track{column-gap: 0px;}
.banner_list .slick-dots{
    display: flex;
    display: -webkit-flex;
    column-gap: 5px;
    justify-content: center;
    position: absolute;
    left: 0px;
    right: 0px;
    bottom: 20px;
    margin: auto;
}
.banner_list .slick-dots>li{
    list-style: none;
    background-color: #fff;
    width: 15px;
    height: 15px;
    overflow: hidden;
    border-radius: 50%;
}
.banner_list .slick-dots>li>button{
    display: none;
}
.banner_list .slick-dots>.slick-active{
    background-color:#f60;
}
a.banner_tb{
    display: block!important;
    width: auto;
    height: auto;
    overflow: hidden;
    margin: auto;
}
.banner_pic{
    display: block;
    width: 100%;
    height: auto;
    overflow: hidden;
    margin: auto;
}
.product_back{
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-color: #f8f8f8;
}
#mob_product{
    display: none;
}
@media (max-width:767px)
{
    #mob_product{
        display: block;
        width: 100%;
        height: 50px;
        overflow: hidden;
        border:1px solid #ddd;
        background-color: transparent;
    }
}
.product_thead{
    display: grid;
    grid-template-columns:auto auto auto  auto;
    column-gap: 5%;
    width: auto;
    height: auto;
    overflow: hidden;
    margin: auto;
    margin-top: 30px;
}
@media (max-width:767px)
{
    .product_thead{
        display: none;
    }
}
.pthed_item{
    display: flex;
    display: -webkit-flex;
    column-gap: 10px;
    width: auto;
    height: auto;
    overflow: hidden;
}
.pthead_tb{
    width: auto;
    height: auto;
    display: flex;
    display: -webkit-flex;
    column-gap: 10px;
    align-items: center;
    
}

.pthead_pic{
    display: block;
    width: 78px;
    height: 64px;
    background-size: 100% auto;
    background-position: 0px 0px;
    transition: all 0.4s;
    margin-bottom: 30px;
    position: relative;
}
.pthead_pic:before{
    content: "";
    display: block;
    width:20px;
    height: 20px;
    overflow: hidden;
    border-radius: 50%;
    background-color: #ddd;
    position: absolute;
    right: 0px;
    bottom:0px;
    isolation: isolate;
}
.pthead_active{
    color: var(--back_color);
}
.pthead_tb:hover>.pthead_pic{
    background-position: 0px -100%;
}
.pthead_tb:hover>.pthead_pic:before{
    background-color: var(--back_color);
}
.pthead_active>.pthead_pic{
    background-position: 0px -100%;
}
.pthead_active>.pthead_pic:before{
    background-color: var(--back_color);
}
.pthead_name{
    font-size: 1.2rem;
    font-weight: 500;
}
.product_list{
    display: grid;
    grid-template-columns: calc(20% - 80px/5 )  calc(20% - 80px/5 )  calc(20% - 80px/5 )  calc(20% - 80px/5 )  calc(20% - 80px/5 );
    column-gap: 20px;
    row-gap: 20px;
    width: auto;
    height: auto;
    overflow: hidden;
    margin: auto;
}
@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;
    text-align: center;
    padding: 20px;
    background-color: #fff;
}
.product_pic{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    position: relative;
    padding-bottom: 100%;
}
.product_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 1.3rem;
    line-height: 1.2;
    margin-top: 10px;
    color: #000;
}
a.product_path{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    line-height: 50px;
    background-color: var(--back_color);
    color: #fff;
    text-align: center;
    padding-left: 30px;
    padding-right: 30px;
    border-radius: 25px;
    margin-left: auto;
}
a.product_path:hover{
    background-color: #000;
}
@media (max-width:767px){
    a.product_path{
        display: none;
        line-height: 30px;
        padding: 5px;
        border-radius: 20px;
    }
}
.youshi>.title{
    color: #fff;
}
.youshi_thead{
    display: grid;
    grid-template-columns: auto auto auto;
    column-gap: 10%;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 50px;
    margin-bottom: 50px;
}
.youshi_item{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    color: #fff;
    font-size: 1.6rem;
    font-family: Montserrat, Arial;
    font-weight: bold;
    white-space: nowrap;
}
@media (max-width:767px){
    .youshi_item{
        font-size: 1.2rem;
    }
}
.youshi_active{
    color: var(--back_color);
}
.youshi_active:after{
    content:"";
    display: block;
    width: auto;
    height: 5px;
    background-color: var(--back_color);
}
.youshi_list{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    
}
.youshi_tb{
    display: grid;
    grid-template-columns: 40% auto;
    width: auto;
    height: auto;
    overflow: hidden;
}
@media (max-width:767px){
    .youshi_tb{
        grid-template-columns: auto;
    }
}
.youshi_left{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    background-color: #1d222de6;
    padding: 40px;
}
.youshi_right{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
}
.youshi_pic{
    display: block;
    width: 100%;
    height:  100%;
    overflow: hidden;
    object-fit: cover;
}
.youshi_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 2rem;
    color: var(--back_color);
    font-weight: bold;
    font-family: Montserrat, Arial;
}
.youshi_miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    color: #fff;
    font-size: 1.2rem;
    margin-top: 20px;
}

.download{
    display: grid;
    grid-template-columns: auto 50%;
    justify-content: space-between;
    width: auto;
    height: auto;
    overflow: hidden;
}
@media (max-width:767px){
    .download{
        grid-template-columns: auto;
        row-gap: 20px;
    }
}
.download_left{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
}
.download_right{
    display: flex;
    display: -webkit-flex;
    width: auto;
    height: auto;
    column-gap: 10px;
}
a.download_path{
    display: flex;
    display: -webkit-flex;
    column-gap: 20px;
    align-items: center;
    width: auto;
    height: auto;
    overflow: hidden;
    line-height: 50px;
    background-color: var(--back_color);
    color: #fff;
    text-align: center;
    padding-left: 30px;
    padding-right: 30px;
    border-radius: 25px;
    margin-left: auto;
    margin-top: 100px;
}
a.download_path:hover{
    background-color: #000;
}
.download_content{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
}


.about_back{
    background-size: 100% auto;
}
@media (max-width:767px){
    .about_back{
        background-size:cover;
    }
}
.about_img{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    position: relative;
    padding-bottom: 38%;
}
.about_video{
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    left: 0px;
    right: 0px;
    top:0px;
    bottom: 0px;
    margin: auto;
    object-fit: cover;
}
.about_pic{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    width: auto;
    height: auto;
    overflow: hidden;
    position: absolute;
    left: 0px;
    right: 0px;
    top:0px;
    bottom: 0px;
    margin: auto;
    background-size: cover;
}
.about_play{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    overflow: hidden;
    margin: auto;
    border-radius: 50%;
    font-size: 2rem;
    background-color: rgba(0,0,0,0.6);
    color: #fff;

}
.about{
    display: grid;
    grid-template-columns: auto 55%;
    justify-content: space-between;
    width: auto;
    height: auto;
    overflow: hidden;
}
@media (max-width:767px){
    .about{
        grid-template-columns: auto;
        row-gap: 20px;
    }
}
.about_left{
    display: flex;
    display: -webkit-flex;
    width: auto;
    height: auto;
    column-gap: 10px;
}
.about_right{
    display: flex;
    display: -webkit-flex;
    width: auto;
    height: auto;
    column-gap: 10px;
}
.about_name{
    color: #fff;
    font-size: 3rem;
    font-weight: bold;
    display: block;
    width: auto;
    height: auto;
}
.about_title{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    color: #64759a;
}
a.about_path{
    display: flex;
    display: -webkit-flex;
    column-gap: 20px;
    align-items: center;
    width: auto;
    height: auto;
    overflow: hidden;
    line-height: 50px;
    background-color: var(--back_color);
    color: #fff;
    text-align: center;
    padding-left: 30px;
    padding-right: 30px;
    border-radius: 25px;
    margin-left: auto;
    margin-top: 100px;
}
a.about_path:hover{
    background-color: #000;
}
@media (max-width:767px){
    .about_name{
        font-size: 2rem;
    }
    a.about_path{
        margin-top: 20px;
    }
}
.a_left_left:before{
    content:"";
    width: 0px;
    height: 50px;
    border-left:1px solid rgb(255,255,255,0.4);
    display: block;
    color: #fff;
}
.a_left_left{
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    align-items: center;
    width: auto;
    height: auto;
    overflow:hidden;
}
.a_left_ico{
    width: 58px;
    height: 58px;
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
    border-radius: 50%;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
}
@media (max-width:767px){
    .a_left_ico{
        width: 38px;
        height: 38px;
        font-size: 1.4rem;
    }
}
.a_left_right{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    padding: 10px;
    padding-top: 50px;
    padding-bottom: 50px;
}


.a_right_left:before{
    content:"";
    width: 0px;
    height: 50px;
    border-left:1px solid rgb(255,255,255,0.4);
    display: block;
    color: #fff;
}
.a_right_left{
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
    align-items: center;
    width: auto;
    height: auto;
    overflow:hidden;
    flex-shrink: 0;
}
.a_right_ico{
    width: 58px;
    height: 58px;
    border: 1px solid rgba(255,255,255,0.4);
    color: #fff;
    border-radius: 50%;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
}
.a_right_right{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    padding: 10px;
    padding-top: 50px;
    padding-bottom: 50px;
    font-family: Montserrat, Arial;
}
.right_name{
    color: #64759a;
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: bold;
    
}
.right_title{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    font-size: 1.7rem;
    font-weight: bold;
    color: #fff;
}
.right_miaoshu{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    color: #64759a;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-top: 20px;
    margin-bottom: 20px;
}

.about_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;
    overflow: hidden;
}
@media (max-width:767px)
{
    .about_list{
        grid-template-columns: auto auto;
    }
}
.ab_tb{
    display: flex;
    display: -webkit-flex;
    align-items: center;
    column-gap: 20px;
    width: auto;
    height: auto;
    overflow: hidden;
}

.ab_thead{
    display: flex;
    display: -webkit-flex;
    align-items: baseline;
    column-gap: 10px;
    width: auto;
    height: auto;
    overflow: hidden;
    color: #000;
    line-height: 1.2;
    font-weight: bold;
}
.ab_left{
    display: block;
    width: 68px;
    height: auto;
    overflow: hidden;
}
@media (max-width:767px){
    .ab_left{
        width: 48px;
    }
}
.ab_pic{
    display: block;
    width: 100%;
    height: auto;
    overflow: hidden;
}
.ab_name{
    font-size:3rem;
}
.ab_unit{
    font-size: 2rem;
}
.ab_miaoshu{
    font-size: 1.3rem;
    color: var(--back_color);
}
@media (max-width:767px)
{
    .ab_name{
        font-size: 2rem;
    }
    .ab_unit{
        font-size: 1rem;
    }
    .ab_miaoshu{
        font-size: 1rem;
    }
}
.letter{
    background-color: var(--back_color);
    width: auto;
    height: auto;
    padding: 50px;
    border-radius: 20px;
    color: #fff;
    display: grid;
    grid-template-columns: 10% auto;
    column-gap: 10%;
    row-gap: 20px;
    align-items: center;
}
@media (max-width:1120px)
{
    .letter{
        grid-template-columns: auto;
        padding: 20px;
    }
}
.letter_thead{
    font-size: 2rem;
    font-weight: bold;
    display: flex;
    display: -webkit-flex;
    column-gap: 10px;
    align-items: center;
}
.letter_list{
    display: flex;
    display: -webkit-flex;
    flex-wrap: wrap;
    justify-content:space-between;
    column-gap: 20px;
    row-gap: 20px;
    width: auto;
    height: auto;
    overflow: hidden;
}

.letter_list .form-item{display: block;}
.letter_list .form-tfoot{display: block;}
.letter_list .form-left{display: none;}
.letter_list .form-input{
    background-color: transparent;
    border: none;
    border-bottom: 1px solid #fff;
    outline: none;
    width: auto;
    height: 40px;
}
.letter_list .form-input::placeholder{
    color: #fff;
    height: 40px;
}
.letter_list #form-save{
    background-color: #fff;
    height: auto;
    border-radius: 30px;
    color: var(--back_color);
    text-align: center;
    padding: 10px;
    padding-left: 30px;
    padding-right: 30px;
    line-height: 30px;
}
@media (max-width:767px)
{
    .letter_list{
        width: 100%;
    }
    .letter_list .form-item{ width: 100%;}
    .letter_list .form-input{width: 100%;}
}