:root {
  --bg: #f3f6fb;
  --paper: #fffef9;
  --ink: #1f2937;
  --muted: #64748b;
  --line: #d9e2ec;
  --brand: #0f766e;
  --brand-soft: #ecfdf5;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", sans-serif;
  color: var(--ink);
  line-height: 1.8;
}
.wrap {
  max-width: 1120px;
  margin: 24px auto;
  padding: 0 14px;
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
  padding: 18px;
  margin-bottom: 12px;
}
a {
  color: #0b63b6;
  text-decoration: none;
  border-bottom: 1px dotted #8bb8e8;
}
a:hover { border-bottom-style: solid; }
.muted { color: var(--muted); }
.btn {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid #bcd9d4;
  background: var(--brand-soft);
  color: #065f46;
  text-decoration: none;
  font-weight: 700;
  margin-right: 8px;
}
.btn.main {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}