:root{--color-primary:#4a6cf7;--color-primary-hover:#3485d7;--color-primary-light:#6b85ff;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-text-primary:#333;--color-text-secondary:#666;--color-text-muted:#6b7280;--color-border:#e5e7eb;--color-border-light:#e2e8f0;--color-background:#f9fafb;--color-background-white:#ffffff;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:5rem;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 2px 4px rgba(0,0,0,0.05);--shadow-md:0 4px 8px rgba(0,0,0,0.08);--shadow-lg:0 4px 20px rgba(0,0,0,0.1);--shadow-xl:0 8px 30px rgba(0,0,0,0.15);--transition-fast:0.2s ease;--transition-medium:0.3s ease;--transition-slow:0.5s ease;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.75rem;--font-size-4xl:2.5rem;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.6;--line-height-loose:1.75;--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1200px}*{box-sizing:border-box;padding:0;margin:0}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;max-width:100vw;overflow-x:hidden;background-color:var(--color-background-white);color:var(--color-text-primary)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{min-height:100vh;display:flex;flex-direction:column;margin-top:0;padding-top:0}.main{flex:1 1;padding:0;max-width:var(--breakpoint-xl);margin:0 auto;width:100%}h1{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-lg)}h2{font-size:var(--font-size-2xl)}h2,p{margin-bottom:var(--spacing-md)}p{line-height:var(--line-height-relaxed)}@media (max-width:768px){.main{padding:0}h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}}