.oc-main-sam-home-about-us {
    position: relative;
    width: 100%;
    height: calc(100vh - 1.49rem);
    overflow: hidden;
    margin: 1.5rem 0 0.8rem 0;
    max-height: 1000px;
}

.oc-main-sam-home-about-us .about-us-image img {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.oc-main-sam-home-about-us .about-us-mask {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;

    background-color: rgba(63, 63, 63, 0.47);
}

.oc-main-sam-home-about-us .about-us-video-with-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    display: flex;
    gap: 1rem;
    width: 80%;
    align-items: center;

}
.about-us-video iframe,.about-us-video lite-youtube,.about-us-video .about-us-video-youtube{
    width: 557px;
    height: 320px;
}

.oc-main-sam-home-about-us .about-us-video-with-text .about-us-text {
    color: #FFF;
    text-align: center;
}

.oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-title {
    margin-top: 0.2rem;
    margin-bottom: 0.45rem;
}

.oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-content {
    font-size: 0.2rem;
    font-weight: 350;
    margin-bottom: 0.4rem;
    line-height: 1.7;
}

.oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-btn {
    font-size: 0.18rem;
    background-color: var(--Color);
    display: inline-block;
    padding: 0.2rem 0.42rem;
    border-radius: 0.04rem;
    cursor: pointer;
    font-weight: 500;
}

.oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-btn:hover {
    background-color: #FFF;
    color: var(--Color);
}


/* 小屏pc */
@media screen and (max-width: 1400px) {
    .oc-main-sam-home-about-us .about-us-video-with-text {
        width: 90%;
    }
    .oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-title {
        font-size: 36px;
    }

    .oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-content {
        font-size: 15px;
    }

    .oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-btn {
        font-size: 14px;
    }
}

@media screen and (max-width: 1025px) {
    .oc-main-sam-home-about-us {
        margin: 0.2rem 0;
        height: 110vh;
        max-height: none ;
    }

    .oc-main-sam-home-about-us .about-us-video-with-text {
        flex-direction: column-reverse;
        width: 100%;
        padding: 0 0.3rem;
        top: 45%;
    }

    .oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-title {
        margin-top: 0.64rem;
        font-size: 0.36rem;
    }

    .oc-main-sam-home-about-us .about-us-video-with-text .about-us-text .about-us-content {
        font-size: 0.24rem;
    }

    .about-us-video {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .about-us-video iframe,.about-us-video lite-youtube,.about-us-video .about-us-video-youtube {
        width: 100%;
        height: 3.8rem;
    }
}

@media screen and (max-width: 750px) {
    .oc-main-sam-home-about-us {
        height: 90vh;
    }
}