.nav .block {
    height: 2px;
    width: 50px;
    background: #fff;
    position: absolute;
    bottom: 10px;
    overflow: hidden;
}

.block_a {
    height: 2px;
    width: 50px;
    background: #fff;
    position: absolute;
    bottom: 10px;
    overflow: hidden;
}

#ShowPictures {
    width: 100%;
    overflow: hidden;
    background-color: #000;
}

.videoBox {
    height: 536px;
    background-image: url(https://www.rvdata.cn/img/2.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    color: #fff;
    flex-direction: column;
    display: flex;
    justify-content: center;
    position: relative;
}

/* .videoBox>img {
    width: 100%;
    height: 760px;
    -o-object-fit: cover;
    object-fit: cover;
} */

.TitleBox {
    width: 1408px;
    margin-left: auto;
    margin-right: auto;
    position: absolute;
    left: 50%;
    top: 49%;
    color: #fff;
    transform: translate(-50%, -50%);
}

.TitleBox .banner_title {
    /* font-weight: 600; */
    font-size: 48px;
}

.TitleBox .banner_desc {
    font-size: 20px;
    margin: 15px 0 40px;
}

.banner__button_4vKJ2 {
    display: block;
    width: 240px;
    height: 48px;
    line-height: 48px;
    text-align: center;
    background: #3281f9;
    color: #fff;
    font-size: 18px;
}

#ServiceBox>p:first-child {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    padding-top: 90px;
}

#ServiceBox>p:nth-child(2) {
    font-size: 20px;
    opacity: 0.8;
    margin-top: 28px;
    text-align: center;
}

.container_RPQRt {
    width: 1408px;
    margin-left: auto;
    margin-right: auto;
}

.services_rs8Ap {
    background-color: #fff;
    padding: 6% 6% 2%;
    margin-top: 30px;
    margin-bottom: 120px;
    display: flex;
    flex-wrap: wrap;
}

.service_E2fol {
    width: 33.33%;
    text-align: center;
    padding: 0 4%;
    margin-bottom: 6.2%;
}

.service_E2fol p:nth-child(2) {
    font-size: 24px;
    margin: 20px 0 10px;
    font-weight: 700;
}

.service_E2fol p:nth-child(3) {
    font-size: 16px;
    color: #83868f;
}

.service_E2fol>img {
    width: 128px;
    height: 128px;
}

/* 服务优势 */
#Advantages {
    padding: 0 0 108px;
    background-color: #fff;
}

#Advantages>p {
    margin-bottom: 80px;
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    padding-top: 90px;
}

#AdvantagesFlex {
    display: flex;
    flex-wrap: wrap;
    width: 1408px;
    margin-left: auto;
    margin-right: auto;
    visibility: visible;
}

.AdvantagesFadeInUp {
    position: relative;
    color: #fff;
    width: 688px;
    height: 304px;
    visibility: visible;
    margin-bottom: 32px;
    /* margin-left: 3px; */
    background: url(https://cdn.triascloud.com/ai3d/img/img23.6ac66fe.jpg) no-repeat 50%/cover;
}

.AdvantagesFadeInUp:first-child:after {
    background-image: url(https://cdn.triascloud.com/ai3d/img/img19.42a1a67.png);
}

.AdvantagesFadeInUp:nth-child(2):after {
    background-image: url(https://cdn.triascloud.com/ai3d/img/img20.5f8b428.png);
}

.AdvantagesFadeInUp:nth-child(3):after {
    background-image: url(https://cdn.triascloud.com/ai3d/img/img21.262cf49.png);
}

.AdvantagesFadeInUp:nth-child(4):after {
    background-image: url(https://cdn.triascloud.com/ai3d/img/img22.d2307d5.png);
}

.AdvantagesFadeInUp:after {
    content: "";
    width: 27%;
    height: 64%;
    background: no-repeat 50%/contain;
    position: absolute;
    right: 10px;
    bottom: 0;
}

.AdvantagesFadeInUp:nth-child(2n) {
    margin-left: 32px;
}

.AdvantagesFadeInUp:nth-child(4n) {
    margin-left: 32px;
}

.Advantag_Box {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    padding: 8% 10%;
}

.advantage__title_vPfdf {
    font-size: 30px;
    font-weight: 700;
}

.advantage__title_vPfdf:after {
    content: "";
    width: 37%;
    display: block;
    border-bottom: 1px solid #fff;
    margin: 4% 0;
}

.advantage__desc_cy1zH {
    font-size: 16px;
    opacity: .8;
    width: 65.4%;
}

/* 方案制定 */
#ColumnBox {
    height: 536px;
    background: url(https://cdn.triascloud.com/ai3d/img/img29.326dff9.jpg) no-repeat 50%/cover;
    color: #fff;
    flex-direction: column;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.ColumnContainer {
    width: 1408px;
    margin-left: auto;
    margin-right: auto;
}

.ColumnContainer div:first-child {
    font-size: 30px;
    font-weight: 700;
}

.ColumnContainer div:nth-child(2) {
    margin: 15px 0 70px;
    font-size: 16px;
}

.ColumnContainer a {
    display: block;
    width: 120px;
    height: 40px;
    line-height: 38px;
    text-align: center;
    border: 1px solid #fff;
    font-size: 16px;
}