/*******banner*******/ 
.ad-nei {
    height: 421px;
    background: center center no-repeat;
    background-size: cover;
    color: #fff;
}
.ad-nei h3 {
   font-size: 38px;
   margin: 100px 0 10px;
}
.ad-nei span {
    display: inline-block;
    background-color: #fff;
    width: 90px;
    height: 4px;
    overflow: hidden;
}
.ad-nei p {
    font-size: 26px;
}

@media screen and (max-width: 767px) and (min-width: 1px) {
    .ad-nei {
        height: 250px;
    }
    .ad-nei h3 {
        font-size: 26px;
        margin: 50px 0 5px;
    }
    .ad-nei p {
        font-size: 26px;
    }
}

.ad-2020bt h3 {
    font-size: 64px;
    font-weight: 600;
}

.ad-2020bt p {
    font-size: 32px;
    font-weight: 600;
}

.ad-2020bt span {
    display: none;
}

@media screen and (max-width: 767px) and (min-width: 1px) {
    .ad-2020bt h3 {
        font-size: 26px;
        font-weight: 500;
    }

    .ad-2020bt p {
        font-size: 18px;
        font-weight: 500;
    }
}