.cloud1 {
    margin: 0 0 6.771vw;
}

.cloud1 .pic {
    width: 13.198vw;
}

.cloud2 {
    padding: 3.281vw 4.323vw 1.563vw;
    width: 49.469vw;
    margin: 0 auto 13.854vw;
    background: rgba(255, 255, 255, 0.13);
    border: 0.26042vw solid rgba(230, 232, 255, 0.54);
    border-radius: 4.16667vw;
    position: relative;
}

.cloud2 .title .pic {
    width: 32.958vw;
}

.cloud2 .main {
    margin-top: 3.125vw;
}

.cloud2 .main .ev {
    padding: 1.281vw 1.323vw 1.363vw;
    width: 19.427vw;
    height: 4.365vw;
    margin-bottom: 2.479vw;
    font-size: 1.067vw;
    color: #FFFFFF;
    font-weight: 500;
    text-align: center;
    border: 0.10417vw solid #FFFFFF;
    transition: all ease .3s;
}

.cloud2 .main .ev:hover {
    box-shadow: 0 0 0.26042vw #fff, 0 0 0.78125vw #fff inset;
}

.cloud3 .title {
    text-align: center;
    max-width: 19.167vw;
    margin: 0 auto 5.292vw;
    margin-top: -5.813vw;
    font-size: 1.467vw;
    color: #FFFFFF;
    line-height: 1.7;
}

.cloud3 .main_cp {
    width: 30.854vw;
    margin: 0 auto 12.24vw;
    position: relative;
}

.cloud3 .main_cp .main-pic {
    width: 100%;
}

.cloud3 .main_cp .main-pic img {
    width: 100%;
}

.cloud3 .main_cp .gear .pic {
    position: absolute;
    animation-name: ani-gear;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}


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

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

.cloud3 .main_cp .gear .pic:nth-of-type(1) {
    width: 10.5vw;
    left: -16%;
    top: 14%;
    z-index: -1;
    opacity: 0.61;
    animation-duration: 36s;

}

.cloud3 .main_cp .gear .pic:nth-of-type(2) {
    width: 6.875vw;
    left: -20%;
    top: 31%;
    opacity: 0.2;
    animation-duration: 10s;
}

.cloud3 .main_cp .gear .pic:nth-of-type(3) {
    width: 9.5vw;
    right: -9%;
    top: 26%;
    opacity: 0.61;
    animation-duration: 26s;
}

.cloud3 .main_cp .gear .pic:nth-of-type(4) {
    width: 5.167vw;
    right: -15%;
    top: 45%;
    opacity: 0.81;
    animation-duration: 10s;
}

.cloud3 .main_cp .gear .pic:nth-of-type(5) {
    width: 5.167vw;
    left: -8%;
    top: 52%;
    animation-duration: 6s;
}

.cloud3 .main_cp .gear .pic:nth-of-type(6) {
    width: 4.292vw;
    right: 4%;
    top: 54%;
    opacity: 0.2;
    animation-duration: 6s;
}

.cloud4 .title {
    font-size: 1.267vw;
    margin-bottom: 4.146vw;
    color: #FFFFFF;
    text-align: center;
}

.cloud4 .main {
    padding: 0 4.479vw 0 0;
}

.cloud4 .main .pic {
    width: 68.406vw;
}

.cloud5 {
    margin: 7.813vw auto 0;
}

.cloud5 .title .pic {
    width: 35.521vw;
}

.cloud5 .title {
    margin-top: 10.3vw;
    margin-bottom: 3.833vw;
}

.cloud5 .main {
    width: 60vw;
    margin: 0 auto;
}

.cloud5-desc {
    padding: 0 7.188vw 1.563vw .865vw;
}

.cloud5-desc ul {
    color: #FFFFFF;
    font-size: 1.667vw;
    line-height: 1.8;
    font-weight: 600;
    letter-spacing: 0.156vw;
}

.cloud5-desc ul span {
    color: #FFFFFF;
    font-size: 1.25vw;
    font-weight: normal;
}

.cloud5-desc .pic {
    margin-top: 1.563vw;
    width: 17.396vw;
}

.cloud5 .p-video {
    margin-bottom: 5.729vw;
}

.cloud5 .p-video p {
    margin-top: 1.167vw;
    font-size: 1.19vw;
}

.cloud6 .pic {
    flex: 1;
    margin-right: 1.042vw;
}

.cloud6 .row-line {
    position: relative;
}

.cloud6 .row-line::before,
.cloud6 .row-line:last-child::after {
    content: '';
    width: 100%;
    display: block;
    height: 3.646vw;
    background: url('/img/cloud6-1.png') no-repeat center/cover;
    position: absolute;
    left: 0;
    z-index: 20;
}

.cloud6 .row-line::before {
    top: -1.823vw;
}

.cloud6 .row-line:last-child::after {
    bottom: -1.823vw;
}

.cloud6 .pic:last-child {
    margin-right: 0;
}

/* 
*======================================================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) {
    .cloud1 {
        margin: 0 0 65px;
    }

    .cloud1 .pic {
        width: 203px;
    }

    .cloud2 {
        padding: 32px 42px 15px;
        width: 90%;
        margin: 0 auto 133px;
        border-radius: 40px;
    }

    .cloud2 .title .pic {
        width: 422px;
    }

    .cloud2 .main {
        margin-top: 30px;
    }

    .cloud2 .main .ev {
        width: 283px;
        height: 52px;
        margin-bottom: 43px;
        font-size: 16px;
        border: 1px solid #FFFFFF;
    }

    .cloud2 .main .ev:hover {
        box-shadow: 0 0 5px #fff, 0 0 8px #fff inset;
    }

    .cloud3 .title {
        max-width: 368px;
        margin: 0 auto 70px;
        font-size: 22px;
    }

    .cloud3 .main_cp {
        width: 520px;
        margin: 0 auto 118px;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(1) {
        width: 120px;
        left: -16%;
        top: 14%;
        z-index: -1;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(2) {
        width: 66px;
        left: -20%;
        top: 31%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(3) {
        width: 120px;
        right: -9%;
        top: 26%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(4) {
        width: 88px;
        right: -15%;
        top: 45%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(5) {
        width: 88px;
        left: -8%;
        top: 52%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(6) {
        width: 70px;
        right: 4%;
        top: 54%;
    }

    .cloud4 .title {
        max-width: 80%;
        margin: 0 auto;
        font-size: 22px;
        margin-bottom: 59px;
    }

    .cloud4 .main {
        padding: 0 22px 0 0;
    }

    .cloud4 .main .pic {
        width: 92%;
    }

    .cloud5 {
        margin: 75px auto 0;
    }

    .cloud5 .title .pic {
        width: 437px;
    }

    .cloud5 .title {
        margin-bottom: 104px;
    }

    .cloud5 .main {
        width: 90%;
    }

    .cloud5-desc {
        padding: 0 69px 111px 28px;
    }

    .cloud5-desc ul {
        font-size: 16px;
        letter-spacing: 2px;
    }

    .cloud5-desc ul span {
        font-size: 16px;
    }

    .cloud5-desc .pic {
        margin-top: 15px;
        width: 167px;
    }

    .cloud5 .p-video {
        margin-bottom: 55px;
    }

    .cloud5 .p-video p {
        margin-top: 19px;
        font-size: 16px;
    }

    .cloud6 .pic {
        flex: 1;
        margin-right: 10px;
    }

    .cloud6 .row-line::before,
    .cloud6 .row-line:last-child::after {
        height: 35px;
    }

    .cloud6 .row-line::before {
        top: -18px;
    }

    .cloud6 .row-line:last-child::after {
        bottom: -18px;
    }
}

@media screen and (max-width:768px) {
    .cloud1 {
        margin: 0 0 43px;
    }

    .cloud1 .pic {
        width: 134px;
    }

    .cloud2 {
        padding: 21px 28px 10px;
        width: 90%;
        margin: 0 auto 88px;
        border-radius: 26px;
    }

    .cloud2 .title .pic {
        width: 279px;
    }

    .cloud2 .main {
        margin-top: 20px;
    }

    .cloud2 .main .ev {
        width: 100%;
        height: 42px;
        margin-bottom: 26px;
        font-size: 14px;
    }

    .cloud2 .main .ev:hover {
        box-shadow: 0 0 5px #fff, 0 0 8px #fff inset;
    }

    .cloud3 .title {
        max-width: 368px;
        margin: 0 auto 46px;
        font-size: 18px;
    }

    .cloud3 .main_cp {
        width: 60%;
        margin: 0 auto 78px;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(1) {
        width: 79px;
        left: -16%;
        top: 14%;
        z-index: -1;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(2) {
        width: 44px;
        left: -20%;
        top: 31%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(3) {
        width: 79px;
        right: -9%;
        top: 26%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(4) {
        width: 58px;
        right: -15%;
        top: 45%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(5) {
        width: 58px;
        left: -8%;
        top: 52%;
    }

    .cloud3 .main_cp .gear .pic:nth-of-type(6) {
        width: 46px;
        right: 4%;
        top: 54%;
    }

    .cloud4 .title {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .cloud4 .main {
        padding: 0 22px 0 0;
    }

    .cloud4 .main .pic {
        width: 92%;
    }

    .cloud5 {
        margin: 50px auto 0;
    }

    .cloud5 .title .pic {
        width: 288px;
    }

    .cloud5 .title {
        margin-bottom: 52px;
    }

    .cloud5 .main {
        width: 90%;
    }

    .cloud5-desc {
        padding: 0 46px 73px 18px;
    }

    .cloud5-desc ul {
        font-size: 14px;
        letter-spacing: 2px;
    }

    .cloud5-desc ul span {
        font-size: 14px;
    }

    .cloud5-desc .pic {
        margin-top: 15px;
        width: 110px;
    }

    .cloud5 .p-video {
        margin-bottom: 45px;
    }

    .cloud5 .p-video p {
        margin-top: 19px;
        font-size: 14px;
    }

    .cloud6 .pic {
        flex: 1;
        margin-right: 10px;
    }

    .cloud6 .row-line::before,
    .cloud6 .row-line:last-child::after {
        height: 35px;
    }

    .cloud6 .row-line::before {
        top: -18px;
    }

    .cloud6 .row-line:last-child::after {
        bottom: -18px;
    }
}

@media screen and (max-width:480px) {
    
    .cloud4 .title {
        font-size: 16px;
        line-height: 1.6;
    }
}