.article2 {
    position: relative;
    overflow: hidden;
}

.article2::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 580px;
    background-color: var(--main-color);
    z-index: 1;
}

.a2-vertical {
    position: absolute;
    bottom: 8%; right: 18%;
    color: var(--main-color);
    font-size: 80px;
    font-weight: 200;
    text-shadow: 0 0 25px var(--main-color);
    writing-mode: vertical-rl;
    white-space: nowrap;
    letter-spacing: .1em;
    opacity: .5;
    animation: wang 1s infinite;
}

.a2-vertical.v2 {
    right: unset;
    left: 18%;
    transform: rotate(180deg);
    animation: wang 1.3s infinite;
}

.a2-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 4rem;
    z-index: 10;
}

.a2-title p {
    color: #fff;
    font-size: 30px;
    text-align: center;
}

.a2-title p span {
    font-weight: 700;
}

.a2-title img {
    animation: blink .8s step-end infinite;
}

.a2-box-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    z-index: 10;
}

.a2-4 {
    margin: 10rem 0 5rem 0;
}

.a2-text {
    text-align: center;
}

.a2-text h5 {
    font-size: 36px;
    line-height: 1.4;
}

.a2-text p {
    font-size: 22px;
    line-height: 1.6;
    margin-top: 2rem;
}

.a2-circle-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 3rem 0;
}

.a2-circle {
    width: 8px;
    height: 8px;
    border-radius: 100%;
    background-color: #fff;
}

.a2-logo {
    width: 600px;
}

.a2-flow-wrapper {
    position: absolute;
    top: 38%;
    width: 100%;
    overflow: hidden;
    z-index: 1;
}

.a2-flow {
    color: #fff;
    font-size: 280px;
    font-weight: 600;
    white-space: nowrap;
    text-transform: uppercase;
    animation: flow 60s linear infinite;
    user-select: none;
    opacity: .07;
    z-index: 1;
}


/*==================================================*/
@media (max-width: 1750px) {
    .a2-vertical {
        right: 20px;
    }

    .a2-vertical.v2 {
        left: 20px;
    }
}


@media (max-width: 1250px) {
    .article2::before {
        height: 24%;
    }
}


@media (max-width: 950px) {
    .a2-vertical,
    .a2-vertical.v2 {
        display: none;
    }
    
    .a2-title img {
        width: 90%;
    }

    .a2-4 {
        width: 75%;
    }

    .a2-flow-wrapper {
        top: 33%;
    }
    
    .a2-flow {
        font-size: 200px;
    }
}


@media (max-width: 768px) {
    .a2-title {
        gap: 1rem;
        margin-bottom: 3rem;
    }
    
    .a2-title p {
        font-size: 22px;
    }
    
    .a2-title img {
        width: 75%;
    }

    .a2-4 {
        width: 85%;
        margin: 6rem 0 2rem 0;
    }

    .a2-text h5 {
        font-size: 28px;
    }

    .a2-text p {
        font-size: 18px;
        margin-top: 1.5rem;
    }

    .a2-logo {
        width: 90%;
    }
}


@media (max-width: 550px) {
    .a2-title {
        margin-bottom: 2rem;
    }
    
    .a2-title p {
        font-size: 18px;
    }

    .a2-text h5 {
        font-size: 20px;
    }

    .a2-text p {
        font-size: 13px;
        margin-top: 1rem;
    }

    .a2-circle-wrapper {
        gap: 1rem;
        margin: 2rem 0;
    }

    .a2-circle {
        width: 6px;
        height: 6px;
    }

    .a2-flow {
        font-size: 140px;
    }
}