:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Inter, "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background: radial-gradient(1200px 480px at 20% -10%, #e8f2ff 0%, #f5f5f7 50%, #f5f5f7 100%);
  color: #111827;
}
.page {
  max-width: 980px;
  margin: 24px auto;
  padding: 24px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
}
.header {
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 16px;
  margin-bottom: 20px;
}
h1 {
  margin: 0 0 8px;
  font-size: 2rem;
  line-height: 1.25;
}
.meta {
  color: #6b7280;
  font-size: 0.95rem;
}
.section {
  margin-top: 16px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 16px;
  background: #ffffff;
}
.section h2 {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.18rem;
}
.badge {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #2563eb;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
}
.card {
  border-radius: 16px;
  border: 1px solid #e5e7eb;
  padding: 14px;
  margin: 10px 0;
}
.card-danger {
  background: #fff1f2;
  border-color: #fecdd3;
}
.card-warning {
  background: #fffbeb;
  border-color: #fde68a;
}
.card-info {
  background: #eff6ff;
  border-color: #bfdbfe;
}
ul, ol { margin: 8px 0 0; padding-left: 20px; }
li { margin: 6px 0; }
a { color: #2563eb; }
.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 12px;
  background: #2563eb;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.22);
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.cta-link:hover {
  background: #1d4ed8;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.26);
}
.cta-link:active {
  transform: scale(0.98);
}
footer {
  margin-top: 18px;
  color: #6b7280;
  font-size: 0.92rem;
  border-top: 1px solid #e5e7eb;
  padding-top: 12px;
}