/***
 * about styles
 **/
.about-content{
    max-width: 1200px;
    margin: 0 auto;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
}
.about_title{
    font-weight: bold;
    font-size: 30px;
    text-align: center;
    color: #1A1A1A;
    line-height: 33px;
    margin: 60px 0 40px;
}
.about-content .top_content{
    display: flex;
}
.about-content .top_content .top_left_content{
    width: 50%;
}
.about-content .top_content .top_left_content img{
    width: 100%;
}
.about-content .top_content .top_right_content{
    width: 46%;
    margin-left: 4%;
    display: grid;
    align-content: center;
}
.about-content .top_content .top_right_content .top_right_content_text{
    font-size: 14px;
    color: #333333;
    line-height: 24px;
}

.about-content .culture_list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.about-content .culture_list .culture_item{
    width: 30%;
    background-color: #FFFFFF;
    padding: 0 30px;
    display: flex;
    flex-direction: column;
    text-align: center;
    cursor: pointer;
}
.about-content .culture_list .culture_item .culture_item_icon{
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}
.about-content .culture_list .culture_item .culture_item_icon img{
    width: 100%;
    height: 100%;
    transition: all .5s;
}
.about-content .culture_list .culture_item .culture_item_title{
    font-weight: bold;
    font-size: 20px;
    color: #333333;
    line-height: 24px;
}
.about-content .culture_list .culture_item .culture_item_desc {
    font-size: 14px;
    color: #333333;
    line-height: 24px;
    margin-top: 20px;
}
.about-content .culture_list .culture_item:hover .culture_item_title {
    color: #2980D3;
}
.about-content .culture_list .culture_item:hover .culture_item_icon img{
    transform: rotateY(180deg);
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about-content{
        width: 900px;
    }
    .about_title{
        margin: 40px 0 30px;
    }
    .about-content .culture_list .culture_item{
        width: 33%;
        padding: 0 20px;
    }
}
@media only screen and (max-width: 1000px) {
    .about-content{
        width: 700px;
    }
    .about_title{
        margin: 30px 0 20px;
    }
    .about-content .top_content .top_right_content{
        width: 48%;
        margin-left: 2%;
    }
    .about-content .top_content .top_right_content .top_right_content_text{
        line-height: 18px;
    }
    .about-content .culture_list .culture_item{
        width: 33%;
        padding: 0 5px;
    }
}


/**
* company-content  styles
***/
.company-content{
    width: 100%;
    aspect-ratio: 1920 / 371;
    margin: 60px auto;
    background-size: 100% 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.company-content .company-content-title{
    font-weight: bold;
    font-size: 30px;
    color: #FFFFFF;
    line-height: 28px;
}
.company-content .company-content-list{
    margin-top: 60px;
    display: flex;
}
.company-content .company-content-list .company-content-item{
    margin-right: 200px;
}
.company-content .company-content-list .company-content-item:last-child{
    margin-right: 0;
}
.company-content .company-content-list .company-content-item .company-content-item-num{
    font-family: DIN, DIN;
    font-weight: bold;
    font-size: 42px;
    color: #FFFFFF;
    text-align: center;
}
.company-content .company-content-list .company-content-item .company-content-item-name{
    font-weight: bold;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 16px;
    text-align: center;
    margin-top: 20px;
}
.company-content .company-content-list .company-content-item .company-content-box{
    width: 200px;
    height: 20px;
    border: 1px solid #FFFFFF;
    border-top: none;
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .company-content .company-content-title{
        font-size: 24px;
    }
    .company-content .company-content-list{
        margin-top: 30px;
    }
    .company-content .company-content-list .company-content-item{
        margin-right: 100px;
    }
    .company-content .company-content-list .company-content-item .company-content-item-name{
        margin-top: 10px;
    }
}
@media only screen and (max-width: 1000px) {
    .company-content .company-content-title{
        font-size: 20px;
    }
    .company-content .company-content-list{
        margin-top: 10px;
    }
    .company-content .company-content-list .company-content-item{
        margin-right: 80px;
    }
    .company-content .company-content-list .company-content-item .company-content-item-num{
        font-size: 24px;
    }
    .company-content .company-content-list .company-content-item .company-content-item-name{
        margin-top: 0;
        font-size: 12px;
    }
    .company-content .company-content-list .company-content-item .company-content-box{
        width: 170px;
    }
}

/**
* choose  styles
***/
.choose-warp{
    width: 100%;
    margin: 60px auto;
}
.choose-warp .choose{
    width: 1200px;
    margin: 0 auto;
}
.choose .choose-desc{
    font-size: 14px;
    color: #666666;
    line-height: 16px;
    text-align: center;
}
.choose .choose-list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.choose .choose-list .choose-item{
    width: 32%;
    height: 100px;
    background-color: #FFFFFF;
    margin-top: 60px;
    cursor: pointer;
}
.choose .choose-list .choose-item .choose-item-icon{
    width: 50px;
    height: 50px;
    overflow: hidden;
    float: left;
}
.choose .choose-list .choose-item .choose-item-icon img{
    width: 100%;
    height: 100%;
    transition: transform 1s ease;
}
.choose .choose-list .choose-item .choose-item-text{
    width: calc(100% - 70px);
    margin-left: 20px;
    float: left;
}
.choose .choose-list .choose-item .choose-item-title{
    font-weight: bold;
    font-size: 16px;
    color: #333333;
    line-height: 16px;
}
.choose .choose-list .choose-item .choose-item-desc{
    font-size: 14px;
    color: #666666;
    line-height: 24px;
    margin-top: 16px;
}
.choose .choose-list .choose-item:hover .choose-item-icon img {
    transform: rotateY(180deg);
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .choose-warp .choose{
        width: 900px;
    }
    .choose .choose-list .choose-item{
        margin-top: 40px;
    }
    .choose .choose-list .choose-item .choose-item-text{
        width: calc(100% - 60px);
        margin-left: 10px;
    }
    .choose .choose-list .choose-item .choose-item-desc{
        font-size: 12px;
        line-height: 20px;
        margin-top: 10px;
    }
}
@media only screen and (max-width: 1000px) {
    .choose-warp .choose{
        width: 700px;
    }
    .choose .choose-list .choose-item{
        width: 48%;
        margin-top: 20px;
        height: 80px;
    }
    .choose .choose-list .choose-item .choose-item-text{
        width: calc(100% - 60px);
        margin-left: 10px;
    }
    .choose .choose-list .choose-item .choose-item-desc{
        font-size: 12px;
        line-height: 20px;
        margin-top: 10px;
    }
}


/**
 * certificate styles
 ***/
.certificate{
    width: 1200px;
    margin: 0 auto;
}
.certificate .certificate-list{
    display: flex;
    flex-wrap: wrap;
    max-width: 100%;
}
.certificate .certificate-list .certificate-item{
    cursor: pointer;
    width: 18%;
    margin-right: 2.25%;
    margin-top: 30px;
    overflow: hidden;
}
.certificate .certificate-list .certificate-item:nth-child(-n+5){
    margin-top: 0;
}
.certificate .certificate-list .certificate-item:nth-child(5n){
    margin-right: 0;
}
.certificate .certificate-list .certificate-item img{
    width: 100%;
    height: 100%;
    transition: all .5s ease;
}
.certificate .certificate-list .certificate-item:hover img{
    transform: scale(1.1);
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .certificate{
        width: 900px;
    }
}
@media only screen and (max-width: 1000px) {
    .certificate{
        width: 700px;
    }
}


/**
 * brands styles
 ***/
.brands{
    width: 1200px;
    margin: 60px auto;
}
.brands .brands-list{
    display: flex;
    flex-wrap: wrap;
    max-width: 100%;
}
.brands .brands-list .brands-item{
    cursor: pointer;
    width: 24%;
    margin-right: 1.33%;
    margin-top: 20px;
    box-shadow: 0 5px 15px 1px rgba(0,0,0,0.1);
    border-radius: 5px;
    overflow: hidden;
}
.brands .brands-list .brands-item:nth-child(-n+4){
    margin-top: 0;
}
.brands .brands-list .brands-item:nth-child(4n){
    margin-right: 0;
}
.brands .brands-list .brands-item img{
    width: 100%;
    height: 100%;
    transition: all .5s ease;
}
.brands .brands-list .brands-item:hover img{
    transform: scale(1.1);
}

@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .brands{
        width: 900px;
    }
}
@media only screen and (max-width: 1000px) {
    .brands{
        width: 700px;
    }
}