:root{--bg:#F4F6F8;--surface:#fff;--ink:#12233A;--text:#2E3B4A;--muted:#55626F;--line:#DCE2E8;--green:#17694A;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme: dark){:root{--bg:#0F1A28;--surface:#172536;--ink:#EEF2F6;--text:#CBD5DF;--muted:#9AA8B6;--line:#2A3A4D;--green:#4CB98A}}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Source Sans 3","Segoe UI",system-ui,sans-serif;font-size:18px;line-height:1.6}
main{max-width:760px;margin:0 auto;padding:48px 20px 64px}
h1,h2{font-family:"Plus Jakarta Sans","Segoe UI",system-ui,sans-serif;color:var(--ink);line-height:1.2}
h1{font-size:34px;margin:16px 0 24px}h2{font-size:22px;margin:32px 0 8px}
a{color:var(--green)}p,ul{margin:0 0 12px}