*{
    margin: 0;
    padding: 0;
}
img, video {
    width: 100%;
    display: block;
}
.banner {
    min-width: 14.4rem;
}
.banner > img {
    height: 6.3rem;
}
.main {
    width: 1080px;
    margin: 0 auto;
}
iframe {
    width: 100%;
    border: none;
    display: block;
}
#headerIframe {
    height: 50px;
}
#footerIframe {
    height: 431px;
}
.ellipsis {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.multi-line-overflow-2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2; /* 这里的数字代表显示的行数 */
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-secondary {
    text-align: center;
    font-size: 0.18rem;
    color: #7A8087;
    width: 3rem;
    padding:  0 0.2rem 0.4rem;
    margin: 0.1rem auto 1.2rem;
    border-radius: 0.1rem;
}

.text-secondary img {
    width: 3rem;
    margin: 0 auto 0.2rem;
    display: block;
}