.banner {
    background: #000;
    overflow: hidden;
    position: relative;
}
.banner, .banner .mask {
    width: 100%;
    height: 650px;
}
.banner .bg {
    margin-top: 0;
    height: 650px;
    /* background: url(../icon/banner.jpg) 0 0 no-repeat; */
}

.banner .bg, .banner video {
    width: 1920px;
    margin-top: -115px;
    left: 50%;
    margin-left: -960px;
    position: absolute;
}
.banner .subText, .banner .text {
    width: 100%;
    text-align: center;
    font-size: 74px;
    position: absolute;
    top: 240px;
    color: #fff;
}
.about-width{
    width: 50%;
    padding-right: 20px;
    box-sizing: border-box;
}
.img-box{
    height: 250px;
    padding: 0;
}
.img-box img{
    width: 100%;
    height: 100%;
}

.about-info p{
    text-indent:2rem;
}

.about-box{
    color: #fff;
    line-height: 100px;
    text-align: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: #1e284c;
    margin-right: 150px;
    margin: 0 auto;
}
.about-wh > li{
    width: 400px;
}
.about-wh > li > p{
    font-size: 16px;
    color: #666666;
    padding: 0 80px;
    text-align: center;
    margin-top: 20px;
}