/* Crow Sensei — 對外靜態站共用樣式（CrowTheme 色票）。自足、無外部依賴。 */
:root {
  --primary: #3E5068;   /* twilight indigo */
  --ink: #20232B;
  --dawn: #E8894A;      /* 柿橙 */
  --bg: #F4F5F2;
  --card: #FFFFFF;
  --sub: #6B6E76;
  --line: #E7E6E1;
  --green: #3AA76D;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #9DB2CE; --ink: #ECEDEF; --bg: #16181D; --card: #1E2128;
    --sub: #9A9DA6; --line: #2C3038;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", system-ui, sans-serif;
  line-height: 1.7;
}
a { color: var(--primary); }
main { max-width: 720px; margin: 0 auto; padding: 40px 22px 88px; }

.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 20px; color: var(--primary);
  text-decoration: none; margin-bottom: 28px;
}
.brand .mark { font-size: 26px; }

h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.01em; }
.updated, .lede { color: var(--sub); font-size: 15px; margin: 0 0 28px; }
h2 { font-size: 19px; margin: 34px 0 8px; padding-top: 22px; border-top: 1px solid var(--line); }
h2:first-of-type { border-top: 0; padding-top: 0; }
p, li { font-size: 16px; }
ul { padding-left: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 20px; margin: 18px 0;
}
.pill {
  display: inline-block; background: var(--dawn); color: #fff;
  font-weight: 700; font-size: 14px; padding: 8px 16px; border-radius: 999px;
  text-decoration: none;
}
.links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
footer {
  margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line);
  color: var(--sub); font-size: 13px;
}
footer a { color: var(--sub); }