:root{--ground:#F3F5F2;--ink:#0F1F19;--ink2:#4E5F57;--emerald:#0F6B4F;--brass:#8A6514;--line:#DDE3DF}
@media (prefers-color-scheme: dark){:root{--ground:#0A1512;--ink:#E8EFEC;--ink2:#9DB0A7;--emerald:#4CC79A;--brass:#D9B967;--line:#22332C}}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--ink);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
main{max-width:680px;margin:0 auto;padding:48px 16px 64px}
header{display:flex;gap:16px;align-items:center;margin-bottom:28px}
header img{width:72px;height:72px;border-radius:16px}
h1{margin:0;font-size:30px;line-height:1.2}
.tag{margin:2px 0 0;color:var(--brass)}
h2{margin:32px 0 8px;font-size:19px}
a{color:var(--emerald)}
nav{display:flex;gap:20px;margin-top:40px;padding-top:16px;border-top:1px solid var(--line)}