:root{--bg: #f8fafc;--paper: #ffffff;--surface-subtle: #f1f5f9;--surface-hover: #f8fafc;--text-primary: #0f172a;--text-secondary: #334155;--muted: #64748b;--muted-light: #94a3b8;--green: #059669;--green-hover: #047857;--green-light: #ecfdf5;--green-border: #a7f3d0;--accent: #d97706;--accent-light: #fffbeb;--accent-border: #fde68a;--line: #e2e8f0;--line-strong: #cbd5e1;--danger: #dc2626;--danger-light: #fef2f2;--danger-border: #fecaca;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text-primary);background:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .03);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .03);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .06), 0 2px 4px -2px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .06), 0 4px 6px -4px rgba(0, 0, 0, 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