*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}body{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);background-attachment:fixed;background-repeat:no-repeat;background-size:cover;min-height:100vh;min-height:100dvh}.skeleton{background:#e0e0e0;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:4px;display:block}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}