:root { --blue: #185FA5; --text: #1C1C1E; --text2: #6B6B70; --border: #E5E5EA; --bg: #FFFFFF; --bg2: #F2F2F5; }
@media (prefers-color-scheme: dark) { :root { --text: #F2F2F5; --text2: #A1A1A8; --border: #2C2C2E; --bg: #121214; --bg2: #1C1C1E; --blue: #4A90D9; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
header { border-bottom: 1px solid var(--border); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header .wrap { display: flex; align-items: center; gap: 10px; height: 64px; }
.logo { width: 34px; height: 34px; border-radius: 10px; background: #185FA5; color: #fff; display: grid; place-items: center; font-size: 18px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
nav a { font-weight: 500; font-size: 14px; color: var(--text2); }
main { padding: 32px 0 48px; }
h1 { font-size: 30px; margin: 0 0 4px; line-height: 1.2; }
.updated { color: var(--text2); font-size: 14px; margin: 0 0 24px; }
h2 { font-size: 19px; margin: 28px 0 6px; }
p, li { color: var(--text); }
ul { padding-left: 20px; }
a { color: var(--blue); }
.box { background: var(--bg2); border-radius: 14px; padding: 16px 18px; margin: 20px 0; }
footer { border-top: 1px solid var(--border); color: var(--text2); font-size: 14px; padding: 20px 0 40px; }
footer a { color: var(--text2); margin-right: 14px; }
@media (max-width: 520px) { nav { gap: 10px; } nav a { font-size: 13px; } h1 { font-size: 26px; } }