:root{--primary-color: #2C88F1;--primary-hover: #1a6fd8;--primary-light: rgba(44, 136, 241, .1);--success-color: #22c55e;--error-color: #ef4444;--warning-color: #d97706;--text-primary: #1a1a1a;--text-secondary: #666;--text-tertiary: #999;--border-color: #e5e7eb;--bg-hover: #fafafa;--bg-secondary: #f5f7fa;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .1);--radius-sm: 8px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-primary);line-height:1.6}button{cursor:pointer;border:none;outline:none;font-family:inherit;background:none}input,textarea{font-family:inherit}a{text-decoration:none;color:inherit}a:hover{text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}