.ct-bg {
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.ct1 {
    margin: 5.208vw 0 0;
}

.ct1 .title {
    margin-bottom: 5.208vw;
}

.ct1 .title .pic {
    width: 37.563vw;
}

.ct1 .main {
    width: 66.667vw;
    margin: 0 auto;
}

.ct1 .ev {
    width: 13.542vw;
    height: 6.042vw;
    margin-bottom: 5.833vw;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    background: url('/img/ct2-bg.png') no-repeat center/100% 100%;
    position: relative;
}

.ct1 .ev .jt {
    width: 2.39583vw;
    position: absolute;
    left: calc(100% + 0.521vw);
    top: 50%;
    transform: translate(0, -50%);
}

.ct1 .ev .jt img {
    width: 100%;
}

.ct1 .ct1-row:nth-of-type(1) .ev:last-child .jt {
    left: 50%;
    top: 150%;
    transform: translate(-50%, -50%) rotate(90deg);
}

.ct1 .ct1-row:nth-of-type(2) {
    flex-direction: row-reverse;
}

.ct1 .ct1-row:nth-of-type(2) .ev .jt {
    left: auto;
    right: calc(100% + 0.521vw);
    top: 50%;
    transform: translate(0, -50%) rotate(180deg);
}

.ct1 .ct1-row:nth-of-type(2) .ev:last-child .jt {
    display: none;
}

.ct1 .ev .pic {
    width: 3.021vw;
    margin-right: 1.042vw;
}

.ct1 .ev span {
    font-size: 1.719vw;
    font-weight: 500;
    color: #FFFFFF;
}

.ct2 {
    width: 68.865vw;
    margin: 0 auto 12.708vw;
    padding: 1.563vw 5.208vw 6.25vw;
    border-radius: 4.16667vw;
    background: rgba(255, 255, 255, 0.13);
    border: 0.26042vw solid rgba(230, 232, 255, 0.54);
}

.ct3 {
    width: 68vw;
    margin: 0 auto;
    border-radius: 9.37500vw;
    background: rgba(11, 149, 207, 0.15);
    border: 0.26042vw solid rgba(230, 232, 255, 0.54);
}

.ct3-A {
    padding: 4.479vw 0 12.813vw;
}

.ct3-A .title .pic {
    width: 36.604vw;
}

.ct3-A .title-desc {
    width: max-content;
    max-width: 100%;
    text-align: center;
    font-size: 1.25vw;
    color: #C3CDD6;
    font-weight: bold;
    padding: 0 2.604vw 0.26vw;
    margin: 2.24vw auto 5.208vw;
    border-bottom: 1px solid #C3CDD6;
    letter-spacing: 0.15625vw;
}

.ct3-A .title-desc b {
    font-weight: bold;
    color: #0086FF;
    text-decoration: underline;
}

.ct3-A .main {
    margin: 0 auto;
    position: relative;
    padding: 0 3.646vw;
}

.ct3-A .main .pic:nth-of-type(1) {
    width: 80%;
    display: block !important;
    margin: 0 auto;
}

.ct3-A .main .pic:nth-of-type(2),
.ct3-A .main .pic:nth-of-type(3) {
    position: absolute;
    left: 50%;
    top: 50%;
}

.ct3-A .main .pic:nth-of-type(2) {
    width: 28.625vw;
    transform: translate(-50%, -50%);
    transform-origin: center;
}

.ct3-A .main .pic:nth-of-type(3) {
    width: 20.479vw;
    transform: translate(-50%, -50%);
}

.ct3-A .main .pic:nth-of-type(2) .img {
    width: 100%;
    animation: ani-ct3 50s linear infinite;
    display: block;
}

@keyframes ani-ct3 {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.ct3-B {
    margin: 0 auto 47.396vw;
    width: 52.5vw;
}

.ct3-B p {
    display: inline-block;
    font-size: 1.21vw;
    color: #C3CDD6;
    margin-bottom: 3.49vw;
    text-align: center;
    border: 0.26042vw solid rgba(230, 232, 255, 0.54);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0%, transparent 15%, transparent 85%, rgba(255, 255, 255, 0.5) 100%);
}

.ct3-B p {
    padding: 1.979vw 1.563vw;
}

.ct4 {
    margin-top: -32.813vw;
}

.ct4 .ceng1 {
    padding: 0 18.667vw;
    align-items: flex-start;
}

.ct4 .ceng1 span {
    font-size: 1.275vw;
    color: #A2B5C8;
    display: inline-block;
    width: 1em;
    position: relative;
}

.ct4 .ceng1 span::after {
    content: '';
    display: inline-block;
    width: 0.625vw;
    height: 0.625vw;
    background: #FFFFFF;
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    margin-top: 0.521vw;
}

.ct4 .ceng1 span::before {
    content: '';
    display: block;
    width: 0.052vw;
    height: 18.75vw;
    background: #FFFFFF;
    position: absolute;
    left: 50%;
    top: 100%;
    margin-top: 0.521vw;
}


.ct4 .ceng1 span:nth-of-type(1) {
    transform: translateY(10.417vw);
}

.ct4 .ceng1 span:nth-of-type(2) {
    transform: translateY(11.458vw);
}

.ct4 .ceng1 span:nth-of-type(3) {
    transform: translateY(10.938vw);
}

.ct4 .ceng1 span:nth-of-type(4) {
    transform: translateY(6.25vw);
}

.ct4 .ceng1 span:nth-of-type(5) {
    transform: translateY(1.042vw);
}

.ct4 .ceng1 span:nth-of-type(6) {
    transform: translateY(-7.292vw);
}

.ct4 .ceng1 span:nth-of-type(7) {
    transform: translateY(-1.042vw);
}

.ct4 .ceng1 span:nth-of-type(8) {
    transform: translateY(-5.208vw);
}

.ct4 .ceng1 span:nth-of-type(9) {
    transform: translateY(5.208vw);
}

.ct4 .ceng1 span:nth-of-type(10) {
    transform: translateY(6.25vw);
}

.ct4 .ceng1 span:nth-of-type(11) {
    transform: translateY(10.417vw);
}

.ct4 .ceng1 span:nth-of-type(12) {
    transform: translateY(-2.604vw);
}

.ct4 .ceng2,
.ct4 .ceng3 {
    width: 100%;
    position: relative;
    z-index: 2;
}

.ct4 .ceng2 {
    width: 100%;
    overflow: hidden;
    height: 31.979vw;
}

.ct4 .ceng2 img {
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    transform: translateX(-50%);
    /* animation: ceng2 linear 20s alternate infinite; */
}

@keyframes ceng2 {
    0% {
        transform: translate(-49%, 0.521vw);
    }

    50% {
        transform: translate(-50%, -0.521vw);
    }

    100% {
        transform: translate(-51%, 0.521vw);
    }

}

.ct4 .ceng3 {
    margin-top: -18.75vw;
}

.ct4 .ceng3 img {
    width: 100%;
}

.ct5 .left {
    width: 40%;
}

.ct5 .left .ev {
    padding: 2.292vw 1.354vw 1.354vw 0;
    background: #A3B5C4;
    flex-direction: column;
    align-items: flex-end;
    color: #FFFFFF;
    cursor: pointer;
}

.ct5 .left .ev.on {
    background: #0AA8FF;
}

.ct5 .left .ev h2 {
    font-size: 1.875vw;
    font-weight: normal;
}

.ct5 .left .ev p {
    font-size: 1.042vw;
}

.ct5 .right {
    width: 60%;
    color: #FFFFFF;
}

.ct5 .right .swiper-container {
    width: 100%;
    height: 100%;
    display: none;
}

.ct5 .right .swiper-container.on {
    display: block;
}

.ct5 .right .swiper-slide,
.ct5 .right .swiper-slide .pic,
.ct5 .right .swiper-slide .pic img {
    width: 100%;
    height: 100%;
}

.ct5 .right .intr {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    flex-direction: column;
}

.ct5 .right h2 {
    font-size: 3.281vw;
    font-weight: bold;
}

.ct5 .right p {
    font-size: 1.927vw;
    font-weight: bold;
}

.ct5 .swiper-pagination {
    bottom: 4.688vw !important;
}

.ct5 .swiper-pagination-bullet {
    width: 5.208vw;
    height: 0.521vw;
    margin: 0 0.521vw !important;
    opacity: 1 !important;
    border-radius: 0;
    background: #999999;
    cursor: pointer;
}

.ct5 .swiper-pagination-bullet-active {
    background: #11AEFF;
}

/* 
*======================================================media===============================================================
*/
@media screen and (max-width:1919px) {}

@media screen and (max-width:1519px) {}

@media screen and (max-width:1366px) {}

@media screen and (max-width:1250px) {}

@media screen and (max-width:991px) {
    .ct1 {
        margin: 100px 0 0;
    }

    .ct1 .title {
        margin-bottom: 100px;
    }

    .ct1 .title .pic {
        width: 591px;
    }

    .ct1 .main {
        width: 90%;
    }

    .ct1 .ev {
        width: 20%;
        height: 52px;
        margin-bottom: 62px;
    }

    .ct1 .ev .jt {
        width: 26px;
        left: calc(100% + 10px);
    }

    .ct1 .ct1-row:nth-of-type(1) .ev:last-child .jt {
        left: 50%;
        top: 150%;
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .ct1 .ct1-row:nth-of-type(2) .ev .jt {
        right: calc(100% + 10px);
    }

    .ct1 .ev .pic {
        width: 28px;
        margin-right: 10px;
    }

    .ct1 .ev span {
        font-size: 20px;
    }

    .ct2 {
        width: 90%;
        margin: 0 auto 122px;
        padding: 15px 50px 60px;
        border-radius: 40px;
        border: 5px solid rgba(230, 232, 255, 0.54);
    }

    .ct3 {
        width: 90%;
        border-radius: 90px;
    }

    .ct3-A {
        padding: 43px 0 123px;
    }

    .ct3-A .title .pic {
        width: 697px;
    }

    .ct3-A .title-desc {
        width: 90%;
        font-size: 18px;
        padding: 0 50px 5px;
        margin: 43px auto 100px;
    }

    .ct3-A .main {
        padding: 0 70px;
    }

    .ct3-A .main .pic:nth-of-type(2) {
        width: 43%;
    }

    .ct3-A .main .pic:nth-of-type(3) {
        width: 30%;
    }

    .ct3-B {
        margin: 0 auto 455px;
        width: 90%;
    }

    .ct3-B p {
        font-size: 16px;
        margin-bottom: 67px;
        padding: 19px 15px;
    }

    .ct4 {
        margin-top: -315px;
    }

    .ct4 .ceng1 {
        padding: 0 112px;
    }

    .ct4 .ceng1 span {
        font-size: 18px;
    }

    .ct4 .ceng1 span::after {
        width: 12px;
        height: 12px;
        margin-top: 10px;
    }

    .ct4 .ceng1 span::before {
        height: 180px;
        margin-top: 10px;
    }


    .ct4 .ceng1 span:nth-of-type(1) {
        transform: translateY(100px);
    }

    .ct4 .ceng1 span:nth-of-type(2) {
        transform: translateY(110px);
    }

    .ct4 .ceng1 span:nth-of-type(3) {
        transform: translateY(105px);
    }

    .ct4 .ceng1 span:nth-of-type(4) {
        transform: translateY(60px);
    }

    .ct4 .ceng1 span:nth-of-type(5) {
        transform: translateY(10px);
    }

    .ct4 .ceng1 span:nth-of-type(6) {
        transform: translateY(-70px);
    }

    .ct4 .ceng1 span:nth-of-type(7) {
        transform: translateY(-10px);
    }

    .ct4 .ceng1 span:nth-of-type(8) {
        transform: translateY(-50px);
    }

    .ct4 .ceng1 span:nth-of-type(9) {
        transform: translateY(50px);
    }

    .ct4 .ceng1 span:nth-of-type(10) {
        transform: translateY(60px);
    }

    .ct4 .ceng1 span:nth-of-type(11) {
        transform: translateY(100px);
    }

    .ct4 .ceng1 span:nth-of-type(12) {
        transform: translateY(-25px);
    }

    .ct4 .ceng2 {
        height: 307px;
    }

    .ct4 .ceng2 img {
        /* animation: ceng2 linear 20s alternate infinite; */
    }

    @keyframes ceng2 {
        0% {
            transform: translate(-49%, 10px);
        }

        50% {
            transform: translate(-50%, -10px);
        }

        100% {
            transform: translate(-51%, 10px);
        }

    }

    .ct4 .ceng3 {
        margin-top: -180px;
    }

    .ct4 .ceng3 img {
        width: 100%;
    }

    .ct5 .left .ev {
        padding: 20px 16px 14px;
    }

    .ct5 .left .ev h2 {
        font-size: 20px;
    }

    .ct5 .left .ev p {
        font-size: 16px;
    }

    .ct5 .right h2 {
        font-size: 33px;
    }

    .ct5 .right p {
        font-size: 16px;
    }

    .ct5 .swiper-pagination {
        bottom: 40px !important;
    }

    .ct5 .swiper-pagination-bullet {
        width: 40px;
        height: 5px;
        margin: 0 5px !important;
    }
}

@media screen and (max-width:768px) {
    .ct1 .title .pic {
        width: 390px;
    }

    .ct3-A .title .pic {
        width: 460px;
    }

    .ct3-A .title-desc {
        width: 90%;
        font-size: 14px;
        padding: 0 20px 5px;
        margin: 43px auto 60px;
    }

    .ct3-A .main {
        padding: 0 20px;
    }

    .ct3-B p {
        width: 100%;
        margin-bottom: 37px;
    }

    .ct4 .ceng1 span::after {
        width: 6px;
        height: 6px;
        margin-top: 10px;
    }

    .ct4 .ceng2 {
        margin-top: 20px;
    }

    .ct4 .ceng3 {
        margin-top: -119px;
    }

    .ct5 .left {
        width: 100%;
    }

    .ct5 .right {
        width: 100%;
    }

    .ct5 .left .ev {
        align-items: center;
    }

    .ct4 .ceng1 {
        padding: 0 42px;
    }
}

@media screen and (max-width:480px) {
    .ct1 .title .pic {
        width: 100%;
    }

    .ct1-row {
        justify-content: center;
    }

    .ct1 .ev {
        width: 60%;
    }

    .ct1 .ev .jt {
        width: 26px;
        left: 50%;
        top: 150%;
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .ct1 .ct1-row:nth-of-type(1) .ev:last-child .jt {
        left: 50%;
        top: 150%;
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .ct1 .ct1-row:nth-of-type(2) .ev .jt {
        left: 50%;
        top: 150%;
        transform: translate(-50%, -50%) rotate(90deg);
    }

    .ct2 {
        width: 90%;
        margin: 0 auto 62px;
        padding: 15px;
        border-radius: 30px;
        border: 2px solid rgba(230, 232, 255, 0.54);
    }

    .ct3-A {
        padding: 43px 0 73px;
    }

    .ct4 .ceng1 span {
        font-size: 12px;
    }

    .ct4 .ceng2 {
        margin-top: 40px;
    }

    .ct5 .left .ev h2 {
        font-size: 16px;
    }

    .ct5 .left .ev p {
        font-size: 12px;
    }

    .ct5 .right h2 {
        font-size: 22px;
    }

    .ct5 .right p {
        font-size: 14px;
    }
}