#footer {
    background-color: #f7f7f9;
    background-image: url("/Images/foot.jpg");
    background-attachment: fixed;
    background-size: cover;
    background-position: center center;
}
#footer .logo img{
  width: 100%;
}
#footer .footer-title {
  margin-bottom: 50px;
}
#footer .footer-content span {
  display: block;
  color: #000;
  margin: 20px 0;
}
#footer .QRcode {
  width: 150px;
}

.top-border-shadow {
    position: relative;
    background-color: white;
    /* ÆäËûÐÎ×´ */
}

    .top-border-shadow::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 1px;
        box-shadow: 3px 3px 1px 0 rgba(0, 0, 0, 0.6); /* ˮƽƫÒÆΪ0£¬£¬£¬´¹Ö±Æ«ÒÆΪ1px£¬£¬£¬Ä£º£º£ºý°ë¾¶Îª0£¬£¬£¬À©É¢°ë¾¶ºÍÉ«²Êƾ¾ÝÐèÒªµ÷Õû */
    }

.text-muted{
    color:#000;
}
<!--ºÄʱ1778745787.5216Ãë-->