*{padding:0;box-sizing:border-box}*,body{margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f0f2f5}#root,body{min-height:100vh}.App{max-width:1400px;margin:0 auto;padding:24px}.header{text-align:center;margin-bottom:32px;padding:40px 20px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:white}.header h1{color:white!important;margin-bottom:8px;font-size:2.5em}.header .ant-typography{color:rgba(255,255,255,.9);font-size:1.1em}@media (max-width:768px){.App{padding:16px}.header{padding:24px 16px}.header h1{font-size:1.8em}}