.floating-neuron{position:fixed;bottom:5px;right:-5px;width:min(200px,25vw);cursor:pointer;animation:float 3s ease-in-out infinite,glow 2.5s ease-in-out infinite;filter:drop-shadow(0 0 8px #f4dada) brightness(1.05);transition:transform .2s ease,filter .3s ease;z-index:1000}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-12px)}to{transform:translateY(0)}}@keyframes glow{0%,to{filter:drop-shadow(0 0 8px #f4dada) brightness(1.05)}50%{filter:drop-shadow(0 0 18px #ffd0fc) brightness(1.2)}}