@media (max-width:768px){
    
    .aboutWrap {
        border-bottom: 30px solid var(--main-color);
        padding-bottom: 9.5rem;
    }
    .skillList>li{
        width:100%;
    }  
    html{
        font-size: 14px;
    }
    header{display: none;}
    .btnMenu{display: block;}
    .about{
        /* border: 1px solid red; */
        width: auto;
        height: 900px;
        margin: 0;
        padding: 0 2rem;
        display: flex;
        justify-content: space-between;
        padding-top: 3rem;
        gap: 1rem;
        flex-direction: column;
    }
    .heroTxt br{display: none;}
    .floatingHeroTxt {
        /* border: 1px solid red; */
        width: 80%;
        text-align: center;
        color: white;
        display: flex    ;
        flex-direction: column;
        gap: 1rem;
    }
    .aboutTxt{
        /* border: 1px solid blue; */
        width: auto;
        flex: 2;
        
    }
    .aboutImg{
        /* border: 1px solid blue; */
        width: auto;
        flex: 1;
        margin-top: 2rem;
        text-align: center;
    }
    .aboutTxt>h1{
        margin-bottom: 2rem;
    }

    .popupList{
        display: grid;
        grid-template-columns: repeat(2,1fr); /* 팝업 3개씩 나열 , 2,1fr이면 2개씩 */
        gap: 2rem 1rem;
    }

    .bannerTxt{
        margin-bottom: 2rem;
    }
    .certi {
        padding: 5rem 2rem;
    }
    .work {
        padding: 0 2rem;
    }
    /* .bannerStation .swiper-button-next,
        .bannerStation .swiper-button-prev {
        top: 6rem;
        width: 1rem;
        height: 2rem;
    } */
    .imgAll img {
        width: auto;
    }
}

@media(max-width:500px){
    .workImg img{
        height: 30rem;
    }
    .aboutWrap {
        padding-bottom: 11rem;
    }
}

@media(max-width:450px){
    .workImg img{
        height: 23rem;
    }
}

@media(max-width:400px){
    .tC{
        flex-direction: column;
        gap: 0;
    }
    .bannerSmTxt {
        flex-direction: column;
    }
    .tC>dl {
        margin-bottom: 1rem;
    }
}

@media(max-width:350px){
    .workImg img{
        height: 16rem;
    }
    .aboutWrap {
        padding-bottom: 12rem;
    }
    .serif br{
        display: none;
    }
}