:root { color-scheme: light dark; --fg:#111827; --muted:#4b5563; --bg:#ffffff; --card:#f9fafb; --line:#e5e7eb; --accent:#e5202e; }
@media (prefers-color-scheme: dark) { :root { --fg:#e5e7eb; --muted:#9ca3af; --bg:#0b1220; --card:#111a2e; --line:#1f2a44; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif; }
.wrap { max-width: 760px; margin:0 auto; padding: 40px 20px 72px; }
header { display:flex; align-items:center; gap:14px; margin-bottom:28px; }
header img { width:56px; height:56px; border-radius:14px; }
header .name { font-weight:800; font-size:20px; }
header .sub { color:var(--muted); font-size:14px; }
h1 { font-size:28px; margin:24px 0 6px; }
h2 { font-size:19px; margin:30px 0 8px; }
p, li { color:var(--fg); }
.muted { color:var(--muted); }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:18px 20px; margin:18px 0; }
a { color:var(--accent); }
nav a { display:inline-block; margin-right:16px; font-weight:600; }
footer { margin-top:40px; padding-top:18px; border-top:1px solid var(--line); color:var(--muted); font-size:14px; }
.en { border-left:3px solid var(--line); padding-left:16px; margin-top:34px; }