:root{--color-primary:#ff6600;--color-primary-dark:#e55c00;--color-dark:#1a1a1a;--color-dark-lighter:#2d2d2d;--color-gray:#666666;--color-gray-light:#f5f5f5;--color-border:#dddddd;--color-white:#ffffff;--color-text:#333333;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--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:2rem;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--max-width:1200px;--sidebar-width:250px;--header-height:60px;--border-radius:4px;--border-radius-lg:8px}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background:var(--color-white);line-height:1.5}a{color:inherit;text-decoration:none}a:hover{color:var(--color-primary)}img{max-width:100%;height:auto}button{cursor:pointer;font-family:inherit}h1,h2,h3,h4,h5,h6{line-height:1.2}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-md)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}