@property --ai-angle{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes ai-border-spin{to{--ai-angle:360deg}}.ai-input-shell,.ai-float-btn{isolation:isolate;overflow:hidden}.ai-input-shell-spin,.ai-float-btn-spin{z-index:-1;background:conic-gradient(from var(--ai-angle), #c22030 0%, #1a3a5c 18%, #3b82f6 36%, #e63946 54%, #0a1929 72%, #c22030 100%);animation:2.8s linear infinite ai-border-spin;position:absolute;inset:-50%}.ai-float-btn-spin{inset:-60%}.v4-gradient-br{background:linear-gradient(135deg,#e63946 0%,#c22030 50%,#9a1825 100%)}.btn-gradient{background:linear-gradient(135deg,#e63946 0%,#c22030 50%,#9a1825 100%);transition:all .2s}.btn-gradient:hover{background:linear-gradient(135deg,#f04351 0%,#d32536 50%,#a81c2a 100%)}@media (prefers-reduced-motion:reduce){.ai-input-shell-spin,.ai-float-btn-spin{animation:none}}