body{
    overflow-y: auto;
}
.children_none{
    min-height: 200px;
}
.aboutus_content p{
    margin-bottom: 0;
}

.aboutus_content p,.aboutus_content div,.aboutus_content img{
    vertical-align: inherit;
    line-height: inherit;
}
.aboutus_title {
    padding-right: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #CCCCCC;
    font-weight: bold;
    font-size: 20px;
}

.aboutus_title-children{
    padding: 20px 20px 0 0;
    color: #333333;
    font-size: 16px;
    cursor: pointer;
}
.aboutus_title-children:hover{
    color: #B5151D;
}
.aboutus_title-active{
    color: #B5151D;
}

.aboutus_introduce-title{
    color: #333333;
    font-size: 23px;
}
.aboutus-ph{
    display: none;
}
.aboutus_card{
    background: #EFEFEF;
    padding: 20px;
    margin-bottom: 20px;
}
.aboutus_card:nth-child(3n){
    margin-right: 0;
}
.aboutus_card p:nth-child(1){
    font-weight: bold;
    color: #333333;
    font-size: 20px;
}
.aboutus_card p:nth-child(2){
    font-weight: 400;
    color: #333333;
    font-size: 16px;
}
.aboutus_card p:nth-child(3){
    font-weight: 200;
    color: #333333;
    font-size: 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2; 
}
.aboutus_detaile{
    color: #3F6BBE;
    border: 1px solid #BFCEEC;
    padding: 5px 10px;
    font-weight: bold;
    text-decoration: none;
}
.aboutus_introduce-content_head img{
    margin-bottom: 10px;
}
.children_advantage .aboutus_introduce-title{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}
.children_advantage .children_advantage_children img{
    margin-bottom: 0;
}
.children_advantage .children_advantage_children{
    line-height: 0;
    position: relative;
    margin-bottom: 10px;
}
.children_advantage .children_advantage_children div{
    font-weight: bold;
    color: #333333;
    font-size: 30px;
    padding-left: 50px;
    margin-bottom: 0;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
}
.children_advantage .aboutus_introduce-content_head p{
    font-weight: 500;
    color: #666666;
    font-size: 16px;
}
.children_advantage .aboutus_introduce-content_head{
    margin-bottom: 20px;
}
.children_qa .row{
    margin:0
}
.children_qa .aboutus_introduce-content{
    padding: 10px;
    background: #F4F7FE;
    border-radius: 8px;
}
.children_qa .aboutus_introduce-content img{
    width: 29px;
    height: 29px;
    margin-right: 10px;
}
.children_qa .aboutus_introduce-content{
    margin-top: 20px;
}
.children_qa_card > div{
    display: flex;
}
.children_qa_card > div:nth-child(1) p{
    font-weight: bold;
    color: #333333;
    font-size: 18px;
}

.children_qa_card > div:nth-child(1) p{
    font-weight: 400;
    color: #555555;
    font-size: 16px;
}
.children_qa_card > div:nth-child(1){
    border-bottom: 1px solid #D5D5D5;
    margin-bottom: 10px;
}
.children_product .aboutus_introduce-content_head .children_product_image-card{
    border: 20px solid #F2F2F2;
    border-radius: 14px;
    margin-bottom: 20px;
}
@media (min-width: 992px){
    .aboutus-pc .children_introduce .col-md-4 {
        width: 32%;
    }
    .aboutus_card{
        margin-right: 2%;
    }
}
@media screen and (max-width:992px) {
    .aboutus_title-children{
        text-align: left;
    }
    .aboutus-pc{
        display: none;
    }
    .aboutus-ph{
        display: block;
    }
    .aboutus{
        padding-bottom: 30px;
    }
    .aboutus_introduce-content_head img{
        width: 80%;
        margin:0 10% 10px;
    }
    .children_qa_card img{
        margin-left: 0;
    }
    .row{
        margin: auto;
    }
    .aboutus{
        display: flex;
        flex-wrap: wrap;
    }
    .aboutus_title{
        width: 100%;
    }
    .aboutus .aboutus_title-children{
        width: 25%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .children_advantage img {
        width: 100%;
        margin: 0;
    }
    .children_advantage .row{
        margin: 0;
    }
    .children_advantage .children_advantage_children{
        margin-bottom: 30px;
    }
    .aboutus_introduce-content_head div:nth-child(2){
        margin-bottom: 20px;
    }
}
@media screen and (max-width:768px){
    .children_advantage .children_advantage_children div{
        font-size: 24px;
        padding-left: 30px;
    }
}
@media screen and (max-width:400px){
    .aboutus .aboutus_title-children{
        font-size: 13px;
    }
    .children_advantage .children_advantage_children div{
        font-size: 16px;
    }
}