:root{--primary: #111111;--primary-soft: #2A2A2A;--primary-muted: #555555;--background: #FAFAFA;--background-secondary: #F0F0F0;--background-tertiary: #E8E8E8;--surface: #FFFFFF;--surface-soft: #F9F9F9;--surface-elevated: #F2F2F2;--border: #E6E6E6;--divider: #DDDDDD;--text: #111111;--text-secondary: #666666;--text-tertiary: #9A9A9A;--text-inverse: #FFFFFF;--coral: #FF6B6B;--teal: #4ECDC4;--yellow: #FFE66D;--purple: #C44DFF;--pdf: #E53935;--word: #2B579A;--excel: #217346;--success: #34C759;--warning: #F5A623;--error: #FF3B30;--carbon-top: #3A3A3A;--carbon-mid: #252525;--carbon-bottom: #151515;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--space-4xl: 6rem;--space-5xl: 8rem;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--text-4xl: 2.5rem;--text-5xl: 3.5rem;--text-6xl: 4.5rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 50px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--background);color:var(--text);line-height:1.6;min-height:100vh;font-size:var(--text-base)}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:1rem 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