.index-about {
    width: 100%;
    /*height: 240vh;*/
    position: relative;
    margin: 105px auto 75px auto;
}
.index-about .indexabout1 {
    width: 100%;
    /*height: 81vh;*/
    height: 100%;
    overflow: hidden;
    position: sticky;
    top: 0;
    left: 0;
}
.index-about .indexabout1 .cn0 {
    text-align: center;
    position: absolute;
    left: 50%;
    /*top: 50%;*/
    top: 59%;
    transform: translate(-50%, -50%);
    width: 2500px;
    height: 2500px;
    border-radius: 50%;
    overflow: hidden;
    transition: all 0.4s ease-in-out;
}
.index-about .indexabout1 .cn0.on {
    width: 900px;
    height: 900px;
}
.index-about .indexabout1 .cn0.on2 {
    width: 460px;
    height: 460px;
}
.index-about .indexabout1 .cn0 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.index-about .indexabout1 .cn1 {
    text-align: center;
    position: absolute;
    left: 20%;
    top: 20%;
    opacity: 1;
    transform: translate(0, -50%);
    width: 60.3125%;
    transition: all 0.8s linear;
    z-index: 99;
}
.index-about .indexabout1 .cn1.on {
    /*top: 50%;*/
    top: 26%;
    opacity: 1;
}
.index-about .indexabout1 .cn1 span {
    /*position: absolute;
    left: 20%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 100%;*/
}
.index-about .indexabout1 .cn1 span:nth-child(1) {
    font-size: 200px;
    text-shadow: 0px 29px rgba(212, 223, 241, 0.04);
    opacity: 1 !important;
    color: #fff;
}
.index-about .indexabout1 .cn1 span:nth-child(2) {
    font-size: 200px;
    text-shadow: 0px 0px #000;
    opacity: 0;
    color: #fff;
}
.index-about .indexabout1 .cn1 img {
    /*opacity: 0.8;*/
    opacity: 1;
}
.index-about .indexabout1 .cn2 {
    text-align: center;
    position: absolute;
    left: 0;
    top: 68%;
    opacity: 1;
    transform: translate(0, -50%);
    width: 100%;
    display: flex;
    justify-content: center;
    transition: all 0.8s linear;
}
.index-about .indexabout1 .cn2.on {
    /*top: 50%;*/
    top: 59%;
    opacity: 1;
}
.index-about .indexabout1 lottie-player{
    width: 473px;
    height: 473px;
}
.index-about .indexabout1 .cn2 img {
    width: 473px;
    height: 473px;
}
.index-about .indexabout2 {
    position: relative;
    z-index: 5;
    padding-top: 100px;
}
.index-about .indexabout2 .cn3 .cn3a {
    font-family: "OPPOSans-B";
    font-size: 54px;
    color: #393939;
    line-height: 1;
    text-align: center;
    z-index: 2;
    position: relative;
    opacity: 1;
    top: 100px;
    transition: all 0.4s ease-in-out;
}
.index-about .indexabout2 .cn3 .cn3a.on {
    top: 0;
    opacity: 1;
}
.index-about .indexabout2 .cn3 .cn3b {
    z-index: 2;
    opacity: 1;
    display: flex;
    justify-content: center;
    position: relative;
    margin-top: 40px;
    opacity: 0;
    top: 30px;
    transition: all 0.4s ease-in-out;
}
.index-about .indexabout2 .cn3 .cn3b.on {
    top: 0;
    opacity: 1;
}
.index-about .indexabout2 .cn4 {
    margin-top: 200px;
    position: relative;
    width: 100%;
    opacity: 1;
}
.index-about .indexabout2 .cn4 .container {
    background-color: rgba(255, 255, 255, 0.5);
    display: flex;
    flex-wrap: wrap;
    /*padding: 60px 0 450px;*/
    backdrop-filter: blur(5px);
}
.index-about .indexabout2 .cn4 .container .cn4d {
    width: 63.65%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e {
    width: 41.85%;
    position: relative;
    top: 60px;
    opacity: 1;
    padding-top: 60px;
    margin-bottom: 85px;
    border-top: 1px solid #d6d6d6;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e.on {
    top: 0;
    opacity: 1;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e:nth-child(1) {
    transition: all 0.4s 0.2s ease-in-out;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e:nth-child(2) {
    transition: all 0.4s 0.4s ease-in-out;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e:nth-child(3) {
    transition: all 0.4s 0.6s ease-in-out;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e:nth-child(4) {
    transition: all 0.4s 0.8s ease-in-out;
}
@media (max-width: 1580px) {
    /*.index-about {
        height: 220vh;
    }*/
}
@media (max-width: 991px) {
    .index-about .indexabout2 .cn3 .cn3a {
        font-size: 50px;
    }
    /*.index-about .indexabout2 .cn4 .container {
        padding: 60px 0 200px;
    }*/
}
@media (max-width: 767px) {
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e {
        width: 100%;
    }
    /*.index-about {
        height: 210vh;
    }*/
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e .cn9::before {
    background-color: #d5d5d5;
}
.index-about .indexabout2 .cn4 .container .cn4d .cn4e .cn9::after {
    background-color: #d5d5d5;
}
.index-about .indexabout2 .cn4 .container .cn4f {
    width: 100%;
}
.index-about .indexabout2 .cn4 .container .cn4f img {
    width: 100%;
}
.index-about .indexabout2 .cn4 .container .cn4a {
    align-items: center;
    display: flex;
    justify-content: space-between;
    width: 100%;
}
.index-about .indexabout2 .cn4 .container .cn4a .cn4b {
    /*width: 50%;*/
    font-family: "OPPOSans-B";
    font-size: 72px;
    color: #0036A4;
    display: flex;
    line-height: 1;
}
.index-about .indexabout2 .cn4 .container .cn4a .cn4b .num {
    width: 50%;
}
.index-about .indexabout2 .cn4 .container .cn4a .cn4c {
    /*width: 50%;*/
    font-family: "OPPOSans-M";
    font-weight: 500;
    font-size: 24px;
    color: #838383;
    line-height: 1;
}


.index-about .indexabout1{
    /*padding-top: 10vh;*/
}
.index-about .indexabout1 .word{
    width: 60.3125%;
    z-index: 99;
    padding-bottom:50px;
    visibility: hidden;
}
.index-about .indexabout1 .earth{
    position:initial;
    transform:none;
    visibility: hidden;
}
.index-about .indexabout1 .earth lottie-player{
    width: 450px;
    height: 450px;
}

@media (min-width: 1921px) {
    /*.index-about {
        height: 170vh;
    }*/
    .index-about .indexabout1 .cn0 {
        width: 4000px;
        height: 4000px;
    }
}

@media (min-width:1801px) and (max-width:1900px){
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 71%;
    }
}

@media (min-width:1701px) and (max-width:1800px){
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 76%;
    }
}

@media (min-width:1601px) and (max-width:1700px){
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 52px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 78%;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b {
        font-size: 70px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 23px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        margin-bottom: 80px;
    }
}

@media (min-width:1501px) and (max-width:1600px){
    .index-about .indexabout1{
        height: 100vh;
    }
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 50px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 79%;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b {
        font-size: 67px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 23px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        margin-bottom: 75px;
    }
    .index-about .indexabout1 .earth lottie-player{
        width: 400px !important;
        height: 400px !important;
    }
}

@media (min-width:1401px) and (max-width:1500px){
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 48px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 81%;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b {
        font-size: 62px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 22px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        margin-bottom: 70px;
    }
    .index-about .indexabout1 .earth lottie-player{
        width: 360px !important;
        height: 360px !important;
    }
}

@media (min-width:1280px) and (max-width:1400px){
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 46px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 82%;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b {
        font-size: 57px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 21px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        margin-bottom: 65px;
    }
    .index-about .indexabout1 .earth lottie-player{
        width: 330px !important;
        height: 330px !important;
    }
}

@media (min-width:1200px) and (max-width:1279px){
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 44px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d{
        width: 83%;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b {
        font-size: 52px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 20px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        margin-bottom: 60px;
    }
    .index-about .indexabout1 .earth lottie-player{
        width: 300px !important;
        height: 300px !important;
    }
}

@media (max-width: 1199px) {
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 34px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d {
        width: 85%;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b{
        font-size: 52px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        width: 45%;
        margin-bottom: 60px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 18px;
    }
    .index-about .indexabout1 .cn1{
        width: 80%;
        left: 10%;
    }
    .index-about .indexabout1 .word{
        width: 80%;
    }
    /*.index-about .indexabout1{
        padding-top: 5vh;
    }*/
    .index-about .indexabout1 .earth lottie-player{
        width: 280px !important;
        height: 280px !important;
    }
}
@media (max-width: 820px) {
    .index-about .indexabout1 .cn0.on2{
        width: 360px;
        height: 360px;
    }
    ..index-about .indexabout1 .earth lottie-player{
        width: 373px !important;
        height: 373px !important;
    }
    .index-about .indexabout1 .cn2.on lottie-player{
        width: 300px !important;
        height: 300px !important;
    }
    .index-about .indexabout1 .cn2 img {
        width: 373px;
        height: 373px;
    }
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 30px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b {
        font-size: 42px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4c{
        font-size: 16px;
    }

}
@media (max-width: 768px) {
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b{
        font-size: 38px;
    }
}
@media (max-width: 600px) {
    .index-about{
        margin: 35px auto;
    }
    .index-about .indexabout1 .cn1{
        width: 90%;
        left: 5%;
    }
    .index-about .indexabout1 .cn0.on2{
        width: 260px;
        height: 260px;
    }
    .index-about .indexabout1 .earth lottie-player{
        width: 200px !important;
        height: 200px !important;
    }
    .index-about .indexabout1 .cn2.on lottie-player{
        width: 273px !important;
        height: 273px !important;
    }
    .index-about .indexabout1 .cn2 img {
        width: 273px;
        height: 273px;
    }
    .index-about .indexabout2 .cn3 .cn3a{
        font-size: 24px;
    }
    .index-about .indexabout2 .cn4{
        margin-top: 100px;
    }
    .index-about .indexabout2 .cn4 .container .cn4d .cn4e{
        width: 100%;
        padding-top: 30px;
        margin-bottom: 30px;
        top: 20px;
    }
    .index-about .indexabout2 .cn4 .container .cn4a .cn4b{
        font-size: 32px;
    }


}
@media(max-width:500px) {
    /*.index-about .indexabout1{
        height: 45vh;
        padding-top: 0;
    }*/
    .index-about .indexabout2{
        padding-top: 0;
    }
}