.bannerDiv .txt {font-size: 28px;line-height: 28px;letter-spacing: 2px;padding: 0 40px;}
.bannerDiv .txt:before{width: 30px;}
.bannerDiv .txt:after{width: 30px;}

@media screen and (max-width: 1440px) {
    .bannerDiv .txt {font-size: 26px;line-height: 26px;}
}

@media screen and (max-width: 1024px) {
    .bannerDiv .txt {font-size: 0.26rem;line-height: 0.32rem;letter-spacing:initial;}
}