.channel-banner {
    width: 100%;
    /* height: 350px; */
    position: relative;
    /* background-repeat: no-repeat;
    background-position: center center;
    background-size: cover; */
    margin: 0;
    padding: 0;
}
.channel-banner-bgimg {
    width: 100%;
}
.channel-banner .banner-info {
    position: absolute;
    top: 50%;
    margin-top: -50px;
    left: 0;
    right: 0;
    z-index: 3
}
.channel-banner .banner-info h3 {
    font-size: 40px;
    font-weight: 600;
    position: relative;
    margin-bottom: 30px
}
.channel-banner .banner-info h3:before {
    left: 50%;
    margin-left: -15px;
    bottom: -10px;
    width: 30px;
    height: 3px;
    background: #ff9600;
    content: '';
    display: block;
    position: absolute;
}
.channel-banner .banner-info p {
    font-size: 36px;
}

/* 手机 */
.main-mobile .channel-banner-bgimg {
    max-height: 400px;
}