.contentBox {
    padding: 5%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* justify-content: center; */
    padding-bottom: 0;
}

.contentBox>div {
    width: 1400px;
}


.ec1 {
    width: 100%;
    position: relative;
}

.ec1>img {
    width: 100%;
}

.info {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.info>div {
    display: flex;
}

.info>h1 {
    font-weight: bold;
    font-size: max(28px, 2.1875vw);
    color: #FFFFFF;
    margin-bottom: 5%;
}

.info>div>* {
    color: #fff;
    font-family: Raleway-SemiBold;
    font-weight: bold;
    font-size: max(16px, 0.833333333vw);
}

.ec2>div:nth-child(1) {
    display: flex;
    margin-bottom: 2%;
}

.ec2>div:first-child>div {
    width: 6px;
    background-color: #C72989;
    margin-right: 2%;
}

.ec2>div>div>h3 {
    font-family: Raleway-Bold;
    color: #050C2A;
    font-size: max(26px, 1.875vw);
}

.ec2>p {
    font-family: PingFang Regular;
    font-weight: 400;
    font-size: max(16px, 0.833333333vw);
    color: #646775;
    text-indent: 2rem;
    margin-bottom: 4%;
}

.videoBox {
    position: relative;
    margin-bottom: 2%;
}

.videoBox video {
    width: 100%;
}

.videoBox iframe{
    width: 100%;
    min-height: 500px;
}


.videoBox>.playLogo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.videoBox>.playLogo::before {
    content: '';
    border-left: 30px solid #0942FF;
    border-top: 20px solid transparent;
    border-bottom: 20px solid transparent;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.introduce {
    width: 100%;
    background: #E7EEF8;
    border-radius: 8px;
    padding: 5%;
    margin-bottom: 2%;
}

.introduce>h3 {
    font-family: Raleway-Bold;
    font-size: max(26px, 1.875vw);
    color: #2B3D78;
    margin-bottom: 2%;
}

.introduce>h3>span {
    font-family: PingFang Regular;
    font-weight: 400;
}

.introduce>div {
    display: flex;
    flex-wrap: wrap;
}

.introduce>div>p {
    padding: 1% 3%;
    border-radius: 30px;
    background-color: #4970B8;
    color: #fff;
    margin-right: 50px;
    margin-bottom: 15px;
}

.ec2Swiper>.swiper-wrapper {
    align-items: stretch !important;
}

.ec2slide {
    height: auto !important;
    min-height: 100%;
    cursor: pointer;
    border-radius: 10px;
    overflow: hidden;
}

.ec2slide>img {
    width: 100%;
    height: 100%;
}

.contentBox>hr {
    width: 1400px;
    margin: 5% 0;
    background-color: #979797;
}








.Mask {
    width: 0%;
    height: 0%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all .6s ease;
}

.ShowBox {
    min-width: 50%;
    max-width: 90%;
    height: 85%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.ShowBox>svg {
    margin-left: auto;
    cursor: pointer;
    transition: all .6s ease;
}

.ShowBox>svg:hover {
    transform: rotate(90deg);
}

.MaskImgBox {
    height: calc(100% - 32px);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 5px;
    overflow: hidden;
}

.MaskImgBox>img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media (max-width: 1400px) {
    .contentBox>div {
        width: 1100px;
        padding: 5%;
    }

    .contentBox>hr {
        width: 100%;
    }
}

@media (max-width: 1200px) {
    .contentBox>div {
        width: 100%;
        padding: 5%;
    }

    .contentBox>hr {
        width: 100%;
    }
}

@media (max-width:768px) {
    .ec1>img {
        height: 30vh;
        object-fit: cover;
    }
}

@media (max-width:480px) {
    .info {
        width: 90%;
    }

    .introduce>div>p {
        width: 100%;
        padding: 3%;
        margin-right: 0px;
        margin-bottom: 15px;
        text-align: center;
    }

    .introduce>h3 {
        margin-bottom: 10%;
        text-align: center;
    }

    .videoBox>div {
        width: 50px;
        height: 50px;
    }

    .videoBox>div::before {
        border-left: 15px solid #0942FF;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
    }

    .info>h1 {
        font-size: max(24px, 2.1875vw);
    }

    .ec2>div:first-child>div {
        margin-right: 5%;
    }
}