.content-section {
    background-image: url(/images/download/download-bg.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.content-section .content-inner {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 60px 0;
}

.title-group {
    gap: 30px 0;
    align-items: center;
}

.desc {
    text-align: center;
    font-size: var(--fontSizeMd);
    line-height: var(--lineHeightMd);
}





/* responsive css */
@media screen and (min-width: 768px) and (max-width: 1279px) {
    .content-section .content-inner {
        gap: 55px 0;
    }

    .download-img {
        max-width: 100%;
    }

    .window {
        content: url(/images/download/tablet-window.png);
    }

    .android {
        content: url(/images/download/tablet-android.png);
    }

    .macos {
        content: url(/images/download/tablet-macOS.png);
    }

    .ios {
        content: url(/images/download/tablet-ios.png);
    }
}

@media screen and (max-width: 767px) {
    .content-section {
        padding: 40px 0 80px;
        background-image: none;
    }

    .content-section .content-inner {
        width: 100%;
        gap: 40px 0;
    }

    .desc {
        font-size: var(--fontSizeSm);
        line-height: var(--lineHeightSm);
    }

    .window {
        content: url(/images/download/mobile-window.png);
    }

    .android {
        content: url(/images/download/mobile-android.png);
    }

    .macos {
        content: url(/images/download/mobile-macOS.png);
    }

    .ios {
        content: url(/images/download/mobile-ios.png);
    }
}