.banner-text {
    position: absolute;
    left: 20%;
    top: 40%;
}

.banner-text-zh, .banner-text-en {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}

/* 手机 */
@media screen and (max-width:576px) {
    .banner-box {
        padding-top: 40px;
    }
}