:root{--ink:#2B2039;--muted:#6b6478;--rose:#FF7EA8;--bg:#FFF6FB;--card:#fff;--line:#f0e6ee}
@media(prefers-color-scheme:dark){:root{--ink:#F4F0F8;--muted:#a79fb3;--bg:#141018;--card:#1E1A24;--line:#2E2836}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
     font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:48px 22px 80px}
header{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.dot{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--rose),#9D6BFF)}
h1{font-size:30px;margin:26px 0 6px;letter-spacing:-.4px}
h2{font-size:19px;margin:34px 0 8px}
.sub{color:var(--muted);margin:0}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
a{color:#d6437b;text-decoration:none}a:hover{text-decoration:underline}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin:18px 0}
nav{margin:18px 0 0;display:flex;gap:16px;flex-wrap:wrap}
footer{margin-top:52px;border-top:1px solid var(--line);padding-top:20px}