.video-introduces {
    box-sizing: border-box;
    width: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    padding: 5rem 0;
}

.video-introduces-bg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}

.video-introduces-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3.125rem;
    z-index: 2;
}

.video-introduces-title {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: bold;
    font-size: 2.375rem;
    color: #333333;
}

.video-introduces-wrap {
    width: 64.25rem;
    height: 37rem;
    background: #fff;
    box-shadow: 0rem 1rem 2rem 0rem rgba(0, 111, 255, 0.15);
    border-radius: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-container {
    width: 62.25rem;
    height: 35rem;
    border-radius: 1rem;
    overflow: hidden;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prev-img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 5.625rem;
    height: 5.625rem;
    z-index: 1;
    cursor: pointer;
    transition-duration: 300ms;
}

.play-btn:hover {
    transform: translate(-50%,-50%) scale(1.1);
    transition-duration: 300ms;
}

.play-img {
    width: 100%;
    height: 100%;
}
.video {
    z-index: 1;
}