.big_title_left {
    text-align: left;
}

.about_mou1 {
    display: flex;
    justify-content: space-between;
}


.about_mou1 {
    margin-top: 30px;
}

.about_mou1_div {
    width: calc((100% - 100px) / 2);
    font-family: Arial-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #777777;
}

.about_mou2 {
    margin-top: 5%;
    justify-content: space-between;
}

.about_mou2_video {
    width: calc((100% - 100px) / 2);
}

.about_mou2_video .imgBox {
    padding-bottom: 66.8%;
    border-radius: 12px;
}

.about_mou2_video .imgBox lite-youtube>.lty-playbtn {
    width: 92px !important;
    height: 92px !important;
    background-image: url(img/play3.png) !important;
    filter: grayscale(0) !important;
}

.about_mou2_right {
    width: calc((100% - 100px) / 2);
}

.about_mou2_right_text {
    font-family: Arial-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #777777;
    margin-top: 20px;
}

.about_mou2_right_text2 {
    padding-left: 20px;
    position: relative;
}

.about_mou2_right_text2::after {
    content: '';
    width: 6px;
    height: 100%;
    border-radius: 1px 1px 1px 1px;
    background: #FF5E14;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
}

.about_mou3 {
    margin-top: 5%;
    position: relative;
}

.about_mou3_swi .imgBox {
    padding-bottom: 100%;
    border-radius: 12px;
}

.about_mou3_swi_btn {
    position: relative;
    width: 27px;
    height: 56px;
    background: #FF5E14;
    position: absolute;
    top: 50%;
    z-index: 9;
    transform: translateY(-50%);
    border-radius: 3px 3px 3px 3px;
}

.about_mou3_swi_btn:hover {
    background: #333333;
}

.about_mou3_swi_btn::after {
    width: 8px;
    height: 17px;
    content: '';
    display: inline-block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.about_mou3_swi_left {
    left: -15px;
}

.about_mou3_swi_right {
    right: -15px;
}

.about_mou3_swi_left::after {
    background: url('img/swi_btn_left5.png') no-repeat;
    background-size: 100% 100%;
}

.about_mou3_swi_right::after {
    background: url('img/swi_btn_right5.png') no-repeat;
    background-size: 100% 100%;
}

.about_mou4 {
    margin-top: 3%;
    font-family: Arial-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #777777;
}

.about_mou5 {
    margin-top: 5%;
    justify-content: space-between;
}

.about_mou5_left {
    width: 33.33%;
}

.about_mou5_left .imgBox {
    padding-bottom: 118%;
    border-radius: 12px;
}

.about_mou5_right {
    width: 60%;
    padding-right: 12%;
}

.about_mou5_num {
    margin-top: 50px;
    text-align: center;
    justify-content: space-between;
}

.about_mou5_num_div1 {
    font-family: DIN-Bold;
    font-weight: bold;
    font-size: 64px;
    color: #333333;
}

.about_mou5_num_div2 {
    margin-top: 5px;
    font-family: Arial-Bold;
    font-weight: bold;
    font-size: 24px;
    color: #333333;
}

.about_mou6 {
    margin-top: 5%;
}

.about_mou6_swi {
    margin-top: 50px;
}

.about_mou6_swi .swiper-slide {
    padding-bottom: 5px;
}

.about_mou6_say {
    padding: 25px;
    background: #FFFFFF;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
    border-radius: 12px 12px 12px 12px;
}

.about_mou6_say_icon img {
    width: 30px;
    margin-right: 6px;
}

.about_mou6_say_text {
    font-family: Arial-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #777777;
    margin: 15px 0;
    line-height: 1.5em;
    height: 9em;
    overflow: hidden;
}

.about_mou6_say_head img {
    width: 61px;
    flex-shrink: 0;
    margin-right: 20px;
    border-radius: 50%;
}

.about_mou6_say_head1 {
    font-family: Exo-Bold;
    font-weight: bold;
    font-size: 20px;
    color: #333333;
}

.about_mou6_say_head2 {
    font-family: Exo-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    margin-top: 6px;
}

.about_mou7 {
    margin-top: 5%;
}

.about_mou7_icon_box {
    margin-top: 30px;
    text-align: center;
    justify-content: space-between;
}

.about_mou7_icon_div {
    width: 24.2%;
}

.about_mou7_icon {
    margin: 0 auto;
    width: 100px;
    height: 100px;
    text-align: center;
    line-height: 100px;
    background: #FF5E14;
    border-radius: 50%;
}

.about_mou7_icon_title {
    font-family: Exo-Bold;
    font-weight: bold;
    font-size: 24px;
    color: #333333;
    margin-top: 20px;
}

.about_mou7_icon_text {
    font-family: Arial-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    margin-top: 12px;
}

.about_mou8{
    margin-top: 5%;
}

.about_mou8 .imgBox{
    padding-bottom: 140%;
    border-radius: 0;
}

@media only screen and (max-width: 950px) {
    .about_mou1,.about_mou2,.about_mou5,.about_mou7_icon_box{
        flex-wrap: wrap;
    }

    .about_mou7_icon_div,.about_mou1_div,.about_mou2_video,.about_mou2_right,.about_mou5_left,.about_mou5_right{
        width: 100%;
        margin-bottom: 20px;
    }

    .about_mou5_right{
        padding-right: 0;
    }

    .about_mou5_num{
        margin-top: 30px;
    }

    .about_mou5_num_div1{
        font-size: 20px;
    }

    .about_mou5_num_div2{
        font-size: 16px;
    }

    .about_mou3_swi_right{
        right: 0;
    }
    .about_mou3_swi_left{
        left: 0;
    }
}