:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Arial,sans-serif}html,body{margin:0;padding:0}body{color:#111;background:#f7f7f5}main{max-width:960px;margin:0 auto;padding:48px 24px}section{background:#fff;border:1px solid #e7e5e4;border-radius:16px;padding:24px}h1,h2,p,ul{margin-top:0}