:root{--color-primary:#1E5AE8;--color-primary-dark:#123FA8;--color-accent:#16B378;--color-background:#FFFFFF;--color-surface:#F6F8FB;--color-border:#E3E8EF;--color-text:#14171F;--color-text-muted:#5B6472;--color-success:#16B378;--color-warning:#E8A123;--color-error:#E5484D;--color-on-primary:#FFFFFF;--color-on-accent:#FFFFFF;--font-family-base:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-size-h1:2.5rem;--font-size-h2:1.875rem;--font-size-h3:1.375rem;--font-size-h4:1.125rem;--font-size-body:1rem;--font-size-small:0.875rem;--font-size-xs:0.75rem;--line-height-heading:1.2;--line-height-body:1.6;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:40px;--space-2xl:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-pill:999px;--shadow-card:0 1px 3px rgba(20,23,31,0.06),0 1px 2px rgba(20,23,31,0.08);--shadow-card-hover:0 4px 10px rgba(20,23,31,0.08),0 2px 4px rgba(20,23,31,0.06);--container-max:1200px;--container-max-article:1140px;--header-height:72px;--bp-sm:480px;--bp-md:768px;--bp-lg:1024px;--bp-xl:1280px;--transition-fast:120ms ease;--transition-base:200ms ease}