:root{--color-bg: #f7f8fa;--color-surface: #ffffff;--color-primary: #ffcc00;--color-primary-hover: #f5c200;--color-primary-active: #e8b800;--color-text: #1a1a1a;--color-text-secondary: #6b7280;--color-text-muted: #9ca3af;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-accent: #2b2d42;--color-accent-light: #3d4066;--color-success: #10b981;--color-success-bg: #ecfdf5;--color-warning: #f59e0b;--color-warning-bg: #fffbeb;--color-error: #ef4444;--color-error-bg: #fef2f2;--color-info: #3b82f6;--color-info-bg: #eff6ff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 4px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--sidebar-width: 260px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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