*{margin:0;padding:0;box-sizing:border-box}html,body,#app{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}body{background-color:#f5f7fa;transition:background-color .3s ease}html.dark body{background-color:#101014}.n-layout-header{transition:background-color .3s ease,border-color .3s ease}.n-layout{min-height:100vh}.hero-section{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:80px 20px;text-align:center}.hero-title{font-size:3rem;font-weight:700;margin-bottom:16px}.hero-subtitle{font-size:1.25rem;opacity:.9;margin-bottom:32px}.feature-card{transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 12px 24px #00000026}.fade-enter-active,.fade-leave-active{transition:opacity .3s ease}.fade-enter-from,.fade-leave-to{opacity:0}