.sub-promotion {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    background-color: #fff;
}

.sub-shadow {
    position: absolute;
    top: 0; right: 0;
    width: 1000px;
    opacity: .3;
}

.sub-promotion-wrapper {
    width: 1200px;
}

.sub-p-text h5 {
    color: #222;
    font-size: 60px;
    font-weight: 800;
    margin-bottom: 5rem;
}

.sub-navigation {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.sub-navItem {
    color: #ccc;
    font-size: 22px;
    font-weight: 600;
    white-space: nowrap;
    transition: all .3s;
}

.sub-navItem:hover {
    color: #777;
}

.sub-navItem.show {
    position: relative;
    color: #222;
    font-weight: 700;
}

.sub-navItem.show::after {
    content: '';
    position: absolute;
    top: -8px; right: -8px;
    width: 7px;
    height: 7px;
    border-radius: 100%;
    background-color: var(--main-color);
}


/*==================================================*/
@media (min-width: 2250px) {
    .sub-shadow {
        width: 1250px;
    }
}


@media (max-width: 1250px) {
    .sub-shadow {
        width: 70%;
    }
    
    .sub-promotion-wrapper {
        width: 100%;
        padding: 0 20px;
    }
}


@media (max-width: 768px) {
    .sub-article {
        padding: 50px 0;
    }
    
    .sub-promotion {
        height: 300px;
    }
    
    .sub-p-text h5 {
        font-size: 45px;
        margin-bottom: 3rem;
    }

    .sub-navItem {
        font-size: 17px;
    }

    .sub-navItem.show::after {
        top: -6px; right: -6px;
        width: 5px;
        height: 5px;
    }
}


@media (max-width: 650px) {
    .sub-navigation {
        display: flex;
        gap: 2rem;
    }
}


@media (max-width: 550px) {
    .sub-promotion {
        height: 250px;
    }
    
    .sub-p-text h5 {
        font-size: 36px;
    }

    .sub-navigation {
        gap: 1.5rem;
    }

    .sub-navItem {
        font-size: 15px;
    }

    .sub-navItem.show::after {
        top: -5px; right: -5px;
        width: 4px;
        height: 4px;
    }
}


@media (max-width: 450px) {
    .sub-navigation {
        gap: 1rem;
    }
}