/* 羽迹支持站。配色取自 app 本身：薄荷绿主色 + 极浅的冷灰底 */
:root {
  --brand: #00C6A9;
  --brand-deep: #009C86;
  --ink: #0F2E33;
  --body: #3D5C61;
  --subtle: #6F8A8F;
  --faint: #9DB2B6;
  --bg: #F2F8F9;
  --card: #FFFFFF;
  --line: #E3EDEF;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #E9F4F5; --body: #B5CACD; --subtle: #8AA3A7; --faint: #6B8388;
    --bg: #0C1618; --card: #142124; --line: #22343800;
    --line: #1F3034;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px 64px; }

header { text-align: center; padding: 56px 0 36px; }
header img {
  width: 84px; height: 84px; border-radius: 20px;
  box-shadow: 0 10px 28px rgba(0, 198, 169, .28);
}
header h1 {
  margin: 18px 0 6px; font-size: 28px; font-weight: 800;
  color: var(--ink); letter-spacing: .5px;
}
header p { margin: 0; font-size: 14px; color: var(--subtle); }

nav { display: flex; justify-content: center; gap: 10px; margin-bottom: 32px; }
nav a {
  font-size: 13px; font-weight: 700; text-decoration: none;
  color: var(--brand-deep); background: rgba(0, 198, 169, .11);
  padding: 7px 16px; border-radius: 999px;
  transition: background .15s;
}
nav a:hover { background: rgba(0, 198, 169, .2); }
nav a[aria-current] { background: var(--brand); color: #fff; }

.card {
  background: var(--card); border-radius: 18px;
  padding: 22px 24px; margin-bottom: 16px;
  border: 1px solid var(--line);
}
.card h2 {
  margin: 0 0 10px; font-size: 16px; font-weight: 800; color: var(--ink);
}
.card h3 {
  margin: 22px 0 6px; font-size: 14.5px; font-weight: 800; color: var(--ink);
}
.card h3:first-of-type { margin-top: 4px; }
.card p { margin: 0 0 12px; font-size: 14.5px; }
.card p:last-child { margin-bottom: 0; }
.card ul { margin: 0 0 12px; padding-left: 20px; font-size: 14.5px; }
.card li { margin-bottom: 6px; }
.card a { color: var(--brand-deep); }

.lead {
  font-size: 15px; color: var(--body);
  background: rgba(0, 198, 169, .07);
  border-left: 3px solid var(--brand);
  border-radius: 0 10px 10px 0;
  padding: 14px 16px; margin: 0 0 16px;
}
.meta { font-size: 12.5px; color: var(--faint); }

footer {
  text-align: center; padding-top: 32px;
  font-size: 12.5px; color: var(--faint); line-height: 2;
}
footer a { color: var(--faint); text-decoration: none; }
footer a:hover { text-decoration: underline; }