.sec-banner {
    position: relative;
    margin: 81px 16px 0;
    padding-bottom: 63%;
    border-radius: 12px;
    overflow: hidden;
    background-image: url(https://static.insta360.com/assets/storage/20200529/4eabc3ceac116987f0961113e7f0f92f/Conact_us_pc2x.jpg);
    background-size: cover;
    background-position: center center;
}

    .sec-banner .mask {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.24);
    }

    .sec-banner .text {
        position: absolute;
        left: 0;
        width: 100%;
        top: 50%;
        transform: translateY(-50%);
        text-align: center;
        color: #ffffff;
        font-size: 48px;
        line-height: 57px;
        font-weight: bold;
    }

.sec-main {
    margin: 40px 40px 56px;
}

    .sec-main .col:not(:first-child) {
        margin-top: 24px;
    }

    .sec-main .row:not(:last-child) {
        margin-bottom: 24px;
    }

    .sec-main .row .title {
        display: block;
        color: #000000;
        font-weight: 600;
        font-size: 14px;
        line-height: 20px;
    }

    .sec-main .row .content {
        display: block;
        margin-top: 8px;
        color: #898A8E;
        font-size: 14px;
        line-height: 20px;
    }

        .sec-main .row .content.email {
            color: #4795E9;
        }