:root{--primary: #3370ff;--primary-hover: #245bdb;--primary-light: #dce7ff;--primary-bg: #eef3ff;--success: #34c759;--success-bg: #e8f8ee;--warning: #ff8800;--warning-bg: #fff7e6;--danger: #f54a45;--danger-bg: #ffece8;--text-primary: #1f2329;--text-secondary: #646a73;--text-tertiary: #8f959e;--text-placeholder: #bbbfc4;--bg-page: #eff0f1;--bg-card: #ffffff;--bg-hover: #f5f6f7;--bg-muted: #fafbfc;--border: #dee0e3;--border-light: #e5e6eb;--shadow-xs: 0 1px 2px rgba(31, 35, 41, .05);--shadow-sm: 0 2px 8px rgba(31, 35, 41, .06);--shadow-md: 0 4px 20px rgba(31, 35, 41, .08);--shadow-lg: 0 12px 40px rgba(31, 35, 41, .12);--shadow-card: 0 1px 4px rgba(31, 35, 41, .06), 0 0 1px rgba(31, 35, 41, .08);--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--sidebar-width: 260px;--header-height: 60px;--transition: .2s ease;--font-xs: 12px;--font-sm: 14px;--font-base: 16px;--font-md: 18px;--font-lg: 20px;--font-xl: 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