.ragular{position:absolute;bottom:-12px;left:30%;width:0;height:0;border:6px solid rgba(0,0,0,0);border-top-color:#7678ed}@keyframes about-scroll{0%{transform:translateX(0)}to{transform:translateX(-100%)}}.about-scroll{animation:about-scroll 20s linear infinite}.qrcode{display:none}.qrcode-c:hover .qrcode{display:flex}