.vc-container{--text-xs:14px;--text-sm:16px;--text-base:18px;--text-lg:20px}.beat{animation:5s infinite beat}@keyframes beat{0%{transform:scale(1)}13%{transform:scale(1.02)}20%{transform:scale(1)}30%{transform:scale(1.02)}50%{transform:scale(1)}}