* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    vertical-align: baseline;
}

#header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    /* z-index: 0; */
    display: inherit;
}

html,
body {
    font-size: 10px;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration-line: none;
}

div {
    display: block;
    unicode-bidi: isolate;
}

.sub-wrap {
    width: 100%;
    background-color: #04152b;
}

.sub-con {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100rem;
    height: 3.6rem;
    padding: 0 4rem;
    margin: 0 auto;
}

.sitetab {
    display: flex;
    align-items: center;
    height: 100%;

}

.sitetab>li {
    height: 100%;
    line-height: 3.6rem;
    padding: 0 2rem;
    font-size: 1.2rem;
    color: #fff;
    cursor: pointer;
}

.usertab {
    display: flex;
    align-items: center;
}

.usertab>li {
    position: relative;
    padding: 0 1rem;
    font-size: 1.2rem;
    color: #fff;
    cursor: pointer;
}

.usertab>li+li::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: .1rem;
    height: 1rem;
    background-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%);
}

.nav-wrap {
    width: 100%;
    background-color: #071d3d;
}

.nav-con {
    position: relative;
    /*리레이티브가 뭐더라*/
    display: flex;
    /*화면 전체적으로 유연하게 요소 배치*/
    align-items: center;
    /*가운데로 정렬*/
    justify-content: space-between;
    width: 100rem;
    height: 9.4rem;
    padding: 0 4rem;
    margin: 0 auto;
    /* rem은 부모요소(body)의 비율만큼 %를 의미. */
}

img {
    border-style: none;
    width: 150px;
}

.gnb-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    column-gap: 10rem;
}

.gnb-wrap>li {
    font-size: 1.6rem;
    color: #fff;
    font-weight: 500;
    cursor: pointer;
}

.gnb-ico {
    display: flex;
    align-items: center;
    column-gap: 6rem;
}

.gnd-ico img {
    width: 24px;
}

.product-list {
    justify-self: center;
    list-style: none;
    width: 950px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
}

.product-list>li {
    width: 230px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

/* hover는 가상 선택자, 요소에 마우스 오버될 때 보이는 스타일 */

.product-list img {
    width: 100%;
    height: 200px;
    border: 1px solid #0000002F;
    display: flex;
    transition: transform .2s ease, border-color .5s ease;
}

.product-list img:hover {
    border-color: #007bff;
    transform: scale(1.3);
    cursor: pointer;
}

.product-name {
    margin: 10px 0px 5px;
    font-size: 14px;
    margin-bottom: 5px;
}

.product-price {
    font-weight: 800;
    font-size: 15px;
}

.badge {

    background: linear-gradient(#007bff, #3c41cf);
    color: #fff;
    font-size: 1.6rem;
    margin-top: 5px;
    border-radius: 7px;
}

/* 반응형 : 470px 이하가 되면 -> 2개의 컬럼 ([230*2]+10)만 들어가게 디자인하고 싶다!
 @media라는 키워드를 사용*/
@media (max-width:540px) {
    #header {
        width: 100%;
        flex-shrink: 0;
    }

    .product-list {
        width: 100%;
        flex-shrink: 0;
    }
}