*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5}#root{min-height:100vh}.page-container{max-width:1200px;margin:0 auto;padding:24px}.page-header{margin-bottom:24px}.page-header h1{font-size:24px;font-weight:600;color:#333;margin-bottom:8px}.page-header p{color:#666;font-size:14px}