.about .txtbanner{
    background: rgb(16,72,134);
    background: linear-gradient(80deg, rgba(16,72,134,1) 0%, rgba(15,145,104,1) 100%);
}

.about .exp{
    width: 100%;
    max-width: 798px;
    margin: 0 auto;
    padding-top: 150px;
}
.about .block-circle{
    position: relative;
    width: 100%;
    height: 280px;
}
.about .block-circle .circle-inner{
    --size: 285px;
    position: absolute;
    top: 0;
    width: var(--size);
    height: var(--size);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 3px solid;
    font-family: "db_adman", sans-serif;
    font-size: 34px;
    text-transform: uppercase;
    color: var(--color_white);
}
.about .block-circle .circle-inner:nth-child(1){left: -5px; border-color: #f57626;}
.about .block-circle .circle-inner:nth-child(2){left: 50%; transform: translate(-50%, 0); border-color: #fd2475; z-index: -1;}
.about .block-circle .circle-inner:nth-child(3){right: -5px; border-color: #009efd;}

.about .exp .title{
    font-family: "db_adman", sans-serif;
    font-size: 60px;
    line-height: 1;
    text-transform: uppercase;
    padding: 50px 0 15px;
}
.about .exp .desc{
    font-family: "db_adman_light", sans-serif;
    font-size: 40px;
    line-height: 1;
}
.about .underline-gradient{position: relative;}
.about .underline-gradient:before{
    content: '';
    position: absolute;
    bottom: 0;
    width: 170px;
    height: 3px;
    background: -webkit-linear-gradient(right , var(--color_primary), var(--color_secondary)); 
}

.about .mf-ceo{padding-top: 90px; padding-bottom: 140px; position: relative;}
.about .mf-ceo .block-image{position: relative;}
.about .mf-ceo .block-image .cover{
    position: relative;
    width: 420px;
    height: 500px;
    overflow: hidden;
    border-top-left-radius: 40px;
    border-bottom-right-radius: 40px;
    margin: 0 auto 0 auto;
    background: #252424;
}
.about .mf-ceo .block-image .cover img{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    object-fit: cover;
}
.about .mf-ceo .block-image .bg-gradient{
    position: absolute;
    top: -40px;
    left: 50px;
    width: 170px;
    height: 326px;
    border-top-left-radius: 40px;
    border-bottom-right-radius: 40px;
    background: -webkit-linear-gradient(bottom , var(--color_primary), var(--color_secondary)); 
}

.about .mf-ceo .title{
    font-family: "db_adman_bold", sans-serif;
    font-size: 50px;
    color: var(--color_white);
    line-height: 1;

}
.about .mf-ceo .title.underline-gradient:before{bottom: -18px;}

.about .mf-ceo .content{
    font-family: "db_adman_light", sans-serif;
    margin-top: 40px;
    font-size: 28px;
}
.about .mf-ceo .body{
    max-width: calc(100% - 43px);
}
.about .mf-ceo .content .desc{
    position: relative;
    padding-top: 20px;
    line-height: 1.2;
    text-indent: 1.8em; 
    /* text-align: justify; */
}
.about .mf-ceo .content .desc:before,
.about .mf-ceo .content .desc:after{
    content: '';
    position: absolute;
    padding: 18px;
    background-repeat: no-repeat;
    background-size: contain;
}
.about .mf-ceo .content .desc:before{
   background-image: url(../images/about/mf-ceo_txt-open.png);
   margin-right: 20px;
   top: 0px;
   left: 0;
}
.about .mf-ceo .content .desc:after{
    background-image: url(../images/about/mf-ceo_txt-close.png);
    margin-left: 20px;
    right: 0;
    bottom: -10px;
}
.about .mf-ceo .content .name{margin-top: 35px;}
.about .mf-ceo .content .name .position{
    display: block;
    margin-top: -10px;
}
.about .mf-ceo .object.obj-1{
    top: 50%;
    right: -1500px;
    transform: translate(0, -50%);
}
.about .advert{position: relative;}
.about .advert .object.obj-2{
    top: 80%;
    left: -900px;
    transform: translate(0, -50%);
    max-width: 1800px;
}
.about .advert .block-advert{
    display: grid;
    grid-template-columns: repeat(3, auto);
    grid-gap: 20px;
}
.about .advert .block-advert .cover{
    width: 100%;
    height: 260px;
    text-align: center;
}
.about .advert .content{
    text-align: center; 
    color: var(--color_white);
    max-width: 298px;
    margin: 0 auto;
}
.about .advert .content .title{
    font-family: "db_adman_bold", sans-serif;
    font-size: 46px;
    line-height: 1;
}
.about .advert .content .title.underline-gradient:before{left: 50%; bottom: -15px; transform: translate(-50%, 0);}
.about .advert .content .desc{
    font-family: "db_adman_light", sans-serif;
    font-size: 24px;
    padding-top: 30px;
    color: var(--color_gray);
    line-height: 1.2;
}

.about .our-team{padding-top: 110px;}

/* flip img */
.about .our-team .image-flip{
    position: relative;
    padding: 0 15px;
    padding-bottom: 100px;
    margin: 44px auto 0;
    z-index: 1;
}
.about .our-team .block_card{
    position: relative;
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 15px;
  }
.about .our-team .card-filp{
    /* --sizeImgFlip: 260px; */
    position: relative;
    width: 100%;
    height: 100%;
    transition: all 1s;
    transform-style: preserve-3d;
    /* perspective: 1000px; */
    position: relative;
}
.about .our-team .card-filp.is-flip{
    transform: rotateY(180deg);
}
.card_face{
    position: relative;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    overflow:hidden;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    pointer-events: none;
}
.card_face img{
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 3s;
}
/* .about .our-team .front{
    background-color: red;
} */
/* .about .our-team .back{
    background-color: blue;
    transform: rotateY(180deg);
    position: absolute;
    top:0;
    left: 0;;
} */

.about .marquee-container{padding-top: 55px;}
.about .marquee-container .marquee-carousel{
    margin: 7.5px 0;
    overflow: hidden;
}
.about .marquee-container .marquee-carousel .transform-wrapper{display: flex; will-change: transform;}
.about .marquee-container .marquee-carousel .item-wrap{
   display: flex;
   white-space: nowrap;
   padding: 0;
}
.about .marquee-container .marquee-carousel .item-wrap .item{margin: 0 7.5px; transition: all 300ms;}
.about .marquee-container .block-container{
    --size: 192px;
    width: var(--size);
    height: var(--size);
    position: relative;
    display: inline-block;
    cursor: pointer;
}
.about .marquee-container .block-container > div{
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 300ms;
}
/* .about .marquee-container .block-container > div img{max-width: 192px;} */
.about .marquee-container .block-container > div.back{
    opacity: 0;
}
.about .marquee-container .block-container:hover > div.back{opacity: 1;}

@keyframes marquree {
    0% {transform: translate3d(0%, 0, 0);}
    100% {transform: translate3d(-100%, 0, 0);}
}

@media(max-width: 1440px){
    .about .mf-ceo .object.obj-1{right: -1700px;}
    .about .advert .object.obj-2{left: -1060px;}
}

@media(max-width: 1366px){
    .about .exp{padding-top: 100px;}
    .about .block-circle .circle-inner{--size:275px;}
    .about .block-circle .circle-inner:nth-child(1){left: 5px;}
    .about .block-circle .circle-inner:nth-child(3){right: 5px;}

    .about .exp .title{font-size: 52px;}
    .about .exp .desc{font-size: 32px;}

}
@media(max-width: 1199px){
    .about .exp{padding-top: 60px; max-width: 740px;}
    .about .block-circle .circle-inner{--size: 265px; font-size: 31px;}
    .about .block-circle .circle-inner:nth-child(1){left: 15px;}
    .about .block-circle .circle-inner:nth-child(3){right: 15px;}
    .about .exp .title{font-size: 45px;}
    .about .exp .desc{font-size: 26px;}

    .about .underline-gradient:before{width: 110px;}

    .about .mf-ceo{padding: 80px 0 90px;}
    .about .mf-ceo .block-image .cover{width: 360px; height: 440px;}
    .about .mf-ceo .block-image .bg-gradient{left: 20px;}
    .about .mf-ceo .title{font-size: 40px;}
    .about .mf-ceo .content{font-size: 24px;}
    .about .mf-ceo .content .desc:before, .about .mf-ceo .content .desc:after{padding: 15px;}

    .about .advert .content .title{font-size: 35px;}
    .about .advert .content .desc{font-size: 22px;}

    .about .our-team{padding: 60px 0 30px;}
    .about .our-team .image-flip{padding-bottom: 0;}

    .about .marquee-container{padding-top: 20px;}
    .about .marquee-container .marquee-carousel{margin: 3px 0;}
    .about .marquee-container .block-container{--size: 130px;}
    .about .marquee-container .marquee-carousel .item-wrap .item{margin: 0 3px;}

}

@media(max-width: 991px){
    .about .exp{max-width: 670px;}
    .about .block-circle{height: 220px;}
    .about .block-circle .circle-inner{--size: 205px; font-size: 28px;}
    .about .block-circle .circle-inner:nth-child(1){left: 45px;}
    .about .block-circle .circle-inner:nth-child(3){right: 45px;}
    .about .exp .title{padding: 40px 0 15px;}

    .about .mf-ceo{padding: 50px 0 60px;}
    .about .mf-ceo .block-image .cover{width: 290px; height: 370px;}
    .about .mf-ceo .content .name{margin-top: 15px;}
    .about .mf-ceo .block-image .bg-gradient{top: -14px; left: 18px;}
    .about .mf-ceo .title{font-size: 36px;}
    .about .mf-ceo .content{font-size: 20px;}
    .about .mf-ceo .content .desc:before, .about .mf-ceo .content .desc:after{padding: 12px;}
    .about .mf-ceo .content .name .position{margin-top: -5px;}
    .about .mf-ceo .object.obj-1{right: -1800px;}

    .about .advert .content{max-width: 400px;}
    .about .advert .content .title{font-size: 32px;}
    .about .advert .content .desc{font-size: 20px;}

    .about .advert .block-advert{grid-template-columns: repeat(1, 1fr); max-width: 550px; margin: 0 auto;}
    .about .advert .block-advert .cover{display: flex; align-items: center;}

    .about .our-team{padding: 40px 0 30px;}

    .about .our-team .block_card{grid-template-columns: repeat(5, 1fr);}
    .about .our-team .card-filp:last-child{display: none;}

}

@media(max-width: 767px){
    .about .block-circle .circle-inner{--size: 220px;}

    .about .block-circle{max-width: 546px; height: 370px; margin: 0 auto;}
    .about .block-circle .circle-inner:nth-child(1){left: 22%; transform: translate(-22%, 0);}
    .about .block-circle .circle-inner:nth-child(2){left: inherit; right: 22%; transform: translate(22%, 0);}
    .about .block-circle .circle-inner:nth-child(3){top: inherit; bottom: 0; left: 50%; right: inherit; transform: translate(-50%, 0%);}
    
    .about .exp .title{padding: 40px 0 15px;}
    .about .exp .desc{font-size: 23px;}

    .about .mf-ceo{padding: 30px 0 40px;}
    .about .mf-ceo .block-image .cover{width: 200px; height: 240px;}
    .about .mf-ceo .block-image .bg-gradient{top: -5px; left: 0; width: 180px; height: 225px;}
    .about .mf-ceo .content{margin-top: 20px;}
    .about .mf-ceo .title{font-size: 32px;}
    .about .mf-ceo .content .desc:before, .about .mf-ceo .content .desc:after{padding: 10px;}
    .about .mf-ceo .content .desc:before{top: 10px;}
    .about .mf-ceo .content .desc:after{bottom: -5px;}
    .about .mf-ceo .content .name{margin-top: 6px;}
}

@media(max-width: 575px){
    .about .exp{padding-top: 40px;}
    .about .block-circle{max-width: 375px; height: 335px;}
    .about .block-circle .circle-inner{--size: 200px; font-size: 24px;}
    .about .block-circle .circle-inner:nth-child(1){left: 0; transform: inherit;}
    .about .block-circle .circle-inner:nth-child(2){right: 0; transform: inherit;}

    .about .exp .title{font-size: 35px; padding: 30px 0 15px;}
    .about .exp .desc{font-size: 20px;}

    .about .mf-ceo{padding: 40px 0;}
    .about .mf-ceo .body{max-width: 100%;}
    .about .mf-ceo .block-image{padding-bottom: 30px;}
    .about .mf-ceo .block-image .cover{width: 220px; height: 260px;}
    .about .mf-ceo .block-image .bg-gradient{top: -7px; left: 40%; transform: translateX(-41%); width: 200px; height: 245px;}

    .about .mf-ceo .title{font-size: 30px;}
    .about .mf-ceo .content .name{margin-top: 15px;}
    
    .about .advert .content .title{font-size: 26px;}
    .about .advert .object.obj-2{left: -700px;}

    .about .our-team{padding: 30px 0; padding-bottom: 20px;}
    .about .our-team .block_card{grid-template-columns: repeat(3, 1fr); gap: 8px;}
    .about .our-team .card-filp:nth-child(n+13){display: none;}
    .about .our-team .image-flip{margin: 20px auto 0;}

    .about .marquee-container .block-container{--size: 90px;}
}

@media(max-width: 375px){
    .about .block-circle{height: 300px;}
    .about .block-circle .circle-inner{--size: 180px;}
}

@media(max-width: 320px){
    .about .block-circle{height: 264px;}
    .about .block-circle .circle-inner{--size: 153px; border: 2px solid; font-size: 18px;}

    .about .exp .desc{font-size: 18px;}
    .about .mf-ceo .block-image .cover{width: 190px; height: 230px;}
    .about .mf-ceo .block-image .bg-gradient{width: 190px; height: 230px;}
    .about .mf-ceo .title{font-size: 28px;}
    .about .mf-ceo .content .desc{font-size: 18px;}

    .about .advert .content .title{font-size: 22px;}
    .about .advert .content .desc{font-size: 18px;}

    .about .our-team .block_card{gap: 10px;}
}