.system-banner{background:linear-gradient(135deg,#ff6b6b,#ee5a5a);color:#fff;padding:12px 20px;box-shadow:0 4px 12px hsla(0,100%,71%,.3);display:flex;align-items:center;position:relative;overflow:hidden;animation:slideDown .5s ease-out}.system-banner:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.1),transparent);animation:shimmer 3s infinite}.banner-content{display:flex;align-items:center;flex:1 1}.banner-icon{width:24px;height:24px;margin-right:12px;animation:pulse 2s infinite}.banner-text{flex:1 1}.banner-title{font-weight:600;font-size:16px;margin-bottom:2px}.banner-description{font-size:14px;opacity:.9}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes shimmer{0%{left:-100%}to{left:100%}}@media(max-width:768px){.system-banner{text-align:center}.banner-content{justify-content:center}.banner-title{font-size:15px}.banner-description{font-size:13px}}