.bg1 {
    position: relative;
    width: 100%;
    /* height: 600px; */
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bg1 h1 {
    font-size: 64px;
    font-family: Alibaba;
    font-weight: normal;
    color: #000000;
}

.bg1 h3 {
    font-size: 32px;
    font-family: Alibaba;
    font-weight: normal;
    color: #000000;
    margin-bottom: 28px;
    position: relative;

}

.audio-play {
    font-size: 16px;
    width: 85px;
    height: 30px;
    background: #2857FD;
    border-radius: 15px;
    font-weight: normal;
    color: #FFFEFE;
    top: 5px;
    right: -106px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
}

.bg1-main {
    width: 1435px;
    top: 126px;
    z-index: 2;
    position: absolute;
}

.info {
    margin: 0;
    width: 618px;
    font-size: 16px;
    font-family: Alibaba;
    font-weight: normal;
    word-spacing: 3px;
    color: #181919;
    line-height: 24px;
}

.bg2 {
    width: 100%;
    position: relative;
}

.tab-list {
    width: 448px;
    height: 40px;
    top: 12.91%;
    left: 12.6%;
    z-index: 5;
    display: flex;
    position: absolute;
}

.tab-item {
    cursor: pointer;
    width: 150px;
    height: 40px;
    border: 1px solid #000000;
    text-align: center;
    line-height: 40px;
}

.tab-active {
    color: #FFFFFF;
    border: none;
    background: #2857FD;
}
.noshow{
    display: none;
}