:root{--bg:#F6F3EE;--card:#FFFFFF;--text:#1E2421;--muted:#5E6661;--accent:#1F6B4F}
@media (prefers-color-scheme:dark){:root{--bg:#1B1622;--card:#261F2F;--text:#F3EEF6;--muted:#B7AEC0;--accent:#F2A65A}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
main{max-width:720px;margin:0 auto;padding:32px 16px 64px}
.card{background:var(--card);border-radius:20px;padding:24px;margin:16px 0}
h1{font-size:28px;margin:8px 0 4px}h2{font-size:19px;margin:24px 0 8px}p,li{color:var(--text)}.muted{color:var(--muted)}
a{color:var(--accent)}.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:12px 20px;border-radius:14px;font-weight:600}
@media (prefers-color-scheme:dark){.btn{color:#1B1622}}
ul{padding-left:20px}footer{margin-top:32px;font-size:14px}