/***
 * about styles
 **/
.about-content{
    max-width: 1200px;
    margin: 0 auto 60px;
    font-size: 16px;
    color: #333333;
    line-height: 30px;
}
.about_title{
    font-weight: bold;
    font-size: 30px;
    text-align: center;
    color: #1A1A1A;
    line-height: 33px;
}
.about-content .about_title{
    margin-top: 30px;
}
.about_description{
    font-size: 14px;
    color: #999999;
    line-height: 16px;
    text-align: center;
    margin-top: 20px;
}
.about-content .top_content{
    display: flex;
    margin-top: 30px;
}
.about-content .top_content .top_left_content{
    width: 49%;
    display: grid;
    align-content: center;
}
.about-content .top_content .top_left_content .top_left_content_title{
    font-weight: bold;
    font-size: 18px;
    color: #000000;
    line-height: 20px;
}
.about-content .top_content .top_left_content .top_left_content_text{
    font-size: 14px;
    color: #505050;
    line-height: 20px;
    margin-top: 18px;
}
.about-content .top_content .top_right_content{
    width: 49%;
    margin-left: 2%;
}
.about-content .top_content .top_right_content img{
    width: 100%;
}



@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .about-content{
        width: 900px;
    }
    .about-content .top_content .top_left_content .top_left_content_title{
        font-size: 16px;
    }
    .about-content .top_content .top_left_content .top_left_content_text{
        margin-top: 10px;
        font-size: 12px;
    }
}
@media only screen and (max-width: 1000px) {
    .about-content{
        width: 700px;
    }
    .about-content .top_content .top_left_content .top_left_content_title{
        font-size: 16px;
    }
    .about-content .top_content .top_left_content .top_left_content_text{
        margin-top: 10px;
        font-size: 12px;
        line-height: 16px;
    }
}

/**
* choose  styles
***/
.choose-warp{
    width: 100%;
    padding: 60px 0;
    background: #F8F8FA;
}
.choose-warp .choose{
    width: 1200px;
    margin: 0 auto;
}
.choose-warp .choose .choose-list{
    margin-top: 30px;
    display: flex;
}
.choose-warp .choose .choose-list .choose-item{
    width: 24%;
    height: auto;
    margin-right: 1.33%;
    cursor: pointer;
    background: #FFFFFF;
    border: 1px solid #D4D4D4;
    padding: 20px;
}
.choose-warp .choose .choose-list .choose-item:last-child{
    margin-right: 0;
}
.choose-warp .choose .choose-list .choose-item .choose-item-icon{
    width: 50px;
    height: 50px;
}
.choose-warp .choose .choose-list .choose-item .choose-item-icon img{
    width: 100%;
    height: 100%;
    transition: all .5s;
}
.choose-warp .choose .choose-list .choose-item .choose-item-title{
    font-weight: bold;
    font-size: 16px;
    color: #000000;
    line-height: 17px;
    margin: 20px 0;
}
.choose-warp .choose .choose-list .choose-item .choose-item-desc{
    font-size: 14px;
    color: rgba(0, 0, 0, 0.6);
    line-height: 21px;
}
.choose-warp .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;
    }
}
@media only screen and (max-width: 1000px) {
    .choose-warp .choose{
        width: 700px;
    }
    .choose-warp .choose .choose-list .choose-item{
        padding: 10px;
    }
    .choose-warp .choose .choose-list .choose-item .choose-item-title{
        margin: 10px 0;
    }
    .choose-warp .choose .choose-list .choose-item .choose-item-desc{
        font-size: 12px;
        line-height: 18px;
    }
}



/**
 * brands styles
 ***/
.brands{
    width: 1200px;
    margin: 60px auto;
}
.brands .brands-list{
    margin-top: 30px;
}
.brands .brands-list .brands-item{
    width: 16.66%;
    aspect-ratio: 200 / 100;
    float: left;
    margin-top: 20px;
    overflow: hidden;
    cursor: pointer;
}
.brands .brands-list .brands-item:nth-child(-n+6){
    margin-top: 0;
}
.brands .brands-list .brands-item img{
    width: 100%;
    height: 100%;
    transition: all .5s;
}
.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;
    }
}