*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--secondary-color: #a78bfa;--accent-color: #ec4899;--dark-color: #1e293b;--light-color: #f8fafc;--text-color: #334155;--border-color: #e2e8f0;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .15);--gradient-primary: linear-gradient(135deg, #6366f1 0%, #a78bfa 50%, #ec4899 100%);--gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%)}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:var(--light-color);color:var(--text-color);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:var(--gradient-primary);color:#fff;padding:20px 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