:root{--color-primary: #1d4ed8;--color-primary-dark: #1e3a8a;--color-primary-light: #eff6ff;--color-success: #16a34a;--color-success-bg: #f0fdf4;--color-warning: #d97706;--color-warning-bg: #fffbeb;--color-danger: #dc2626;--color-danger-bg: #fef2f2;--color-ink: #0f172a;--color-ink-soft: #475569;--color-muted: #64748b;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-surface: #ffffff;--color-bg: #f1f5f9;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-card: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);--shadow-header: 0 1px 2px rgba(15, 23, 42, .06);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--color-bg);color:var(--color-ink);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased}input,select,button,textarea{font-size:16px;font-family:inherit}h1,h2,h3{line-height:1.25;margin:0 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