@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;700&display=swap');
:root{--bg:#F4F6F9;--card:#FFFFFF;--ink:#101828;--muted:#5B6577;--line:#E4E7EC;--accent:#1F5FD1;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#0E1420;--card:#161E2C;--ink:#E6ECF5;--muted:#98A3B5;--line:#243045;--accent:#6FA0FF;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif}
main{max-width:720px;margin:32px auto;padding:28px 32px 36px;background:var(--card);border:1px solid var(--line);border-radius:14px}
h1{font-size:28px;letter-spacing:-.02em;line-height:1.2;margin:8px 0 4px}
h2{font-size:18px;margin:28px 0 6px}
p,li{color:var(--ink)}
ul{padding-left:20px}
li{margin:6px 0}
a{color:var(--accent)}
.meta{color:var(--muted);font-size:14px;margin-top:0}
.back{margin:0;font-size:14px}
.foot{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
@media (max-width:760px){main{margin:0;border-radius:0;border:0;padding:20px 16px 32px}}