.product-variants{
    width: 100%;
    max-width: 416px;
}
.size-list {
    width: 100%;
}

.size-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.size-item img {
    width: 74px;
    height: 74px;
    margin-right: 10px;
}

.size-label {
    flex: 1;
    color: #222;
    font-size: 14px;
}

.qty-box {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 3px;
    overflow: hidden;
}

.qty-box button {
    width: 32px;
    height: 32px;
    border: none;
    background: #f5f5f5;
    cursor: pointer;
    font-size: 16px;
}

.qty-box input {
    width: 40px;
    text-align: center;
    border: none;
    outline: none;
    font-size: 14px;
}