.skeleton{background:linear-gradient(90deg,#e8e8e8 0%,#f5f5f5 50%,#e8e8e8 100%) 0 0/200% 100%;border-radius:6px;animation:1.4s ease-in-out infinite skeleton-shimmer}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{width:100%;height:280px}.skeleton-group-btn{width:100%;height:120px}.skeleton-line{height:14px;margin-bottom:8px}