:root { color-scheme: dark; --bg: #090909; --card: #1c1c1e; --text: #f5f5f7; --muted: #aaaab0; --line: #38383b; --accent: #ffc900; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.75 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: 820px; margin: 0 auto; padding: 0 24px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 22px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); font-size: 20px; font-weight: 750; text-decoration: none; }
nav { display: flex; gap: 20px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--accent); }
main { padding-top: 44px !important; padding-bottom: 60px !important; }
h1 { margin: 0 0 8px; font-size: clamp(32px, 5vw, 44px); line-height: 1.25; }
.date { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.intro { color: #d0d0d4; margin-bottom: 26px; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px 24px; margin-top: 14px; }
h2 { margin: 0 0 8px; font-size: 19px; line-height: 1.4; }
p { margin: 8px 0; }
ul { margin: 8px 0; padding-left: 22px; }
li + li { margin-top: 5px; }
footer { border-top: 1px solid var(--line); color: var(--muted); padding-top: 24px !important; padding-bottom: 40px !important; font-size: 14px; }
@media (max-width: 600px) { .wrap { padding-left: 20px; padding-right: 20px; } header { align-items: flex-start; } nav { gap: 12px; font-size: 13px; } main { padding-top: 30px !important; } section { padding: 18px; } }