:root{--color-primary: #3B9CFF;--color-accent: #52C41A;--color-danger: #E74C3C;--color-warning: #F39C12;--color-success: #27AE60;--color-bg: #F5F7FA;--color-surface: #FFFFFF;--color-text: #1F2937;--color-text-muted: #6B7280;--color-border: #E5E7EB;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--radius: 8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,Noto Sans TC,Microsoft JhengHei,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}button{cursor:pointer;font-family:inherit}a{color:var(--color-primary)}