:root { color-scheme: light dark; --ink: #1f2937; --muted: #6b7280; --accent: #e0533d; --bg: #fffdf8; --card: #ffffff; --line: #e5e7eb; }
@media (prefers-color-scheme: dark) { :root { --ink: #f3f4f6; --muted: #9ca3af; --bg: #111827; --card: #1f2937; --line: #374151; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.65 -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif; color: var(--ink); background: var(--bg); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { display: flex; align-items: center; gap: 14px; padding-top: 28px; }
header img { width: 48px; height: 48px; border-radius: 11px; }
header .name { font-weight: 700; font-size: 20px; }
nav { margin-left: auto; display: flex; gap: 16px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--accent); }
h1 { font-size: 34px; line-height: 1.25; margin: 40px 0 10px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p, li { color: var(--ink); }
.lede { font-size: 19px; color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 14px 0; }
.lang { border-top: 1px solid var(--line); margin-top: 48px; padding-top: 8px; }
a { color: var(--accent); }
footer { color: var(--muted); font-size: 14px; padding-top: 40px; padding-bottom: 40px; }