:root {
  color-scheme: dark;
}
body {
  margin: 0;
  background: #020617;
  color: #e2e8f0;
  font-family: "Segoe UI", "PingFang HK", "Microsoft JhengHei", sans-serif;
  line-height: 1.6;
}
a { color: #67e8f9; text-decoration: none; }
a:hover { text-decoration: underline; }
.sa-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #1e293b;
  background: #0f172a;
}
.sa-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}
.sa-top > a:last-child { flex-shrink: 0; white-space: nowrap; }
.sa-brand:hover { color: #fff; text-decoration: none; }
.sa-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
}
.sa-brand span { min-width: 0; }
@media (max-width: 640px) {
  .sa-top { align-items: flex-start; }
  .sa-brand { flex: 1 1 0; }
}
.sa-wrap { max-width: 52rem; margin: 0 auto; padding: 32px 20px 64px; }
.sa-crumb { color: #64748b; font-size: 13px; margin-bottom: 16px; }
.sa-wrap h1 { color: #fff; font-size: 1.9rem; line-height: 1.25; margin: 0 0 12px; }
.sa-wrap h2 { color: #fff; font-size: 1.2rem; margin: 28px 0 12px; }
.sa-wrap h3 { color: #e2e8f0; font-size: 1rem; margin: 18px 0 8px; }
.sa-lead, .sa-wrap p { color: #cbd5e1; }
.sa-lead { margin: 0 0 8px; }
.sa-muted { color: #94a3b8; font-size: 0.95rem; }
.sa-card, .sa-faq, .sa-area, .sa-item {
  border: 1px solid #1e293b;
  background: #0f172a;
  border-radius: 14px;
}
.sa-card, .sa-item, .sa-faq { padding: 14px 16px; }
.sa-card p, .sa-item p, .sa-faq p { margin: 6px 0 0; }
.sa-list, .sa-faqs { display: grid; gap: 10px; }
.sa-faq summary { color: #fff; font-weight: 700; cursor: pointer; }
.sa-grid { display: grid; gap: 12px; }
@media (min-width: 640px) {
  .sa-grid { grid-template-columns: 1fr 1fr; }
}
.sa-area { display: block; padding: 14px 16px; color: inherit; }
.sa-area:hover { border-color: #22d3ee; text-decoration: none; }
.sa-area strong { color: #fff; display: block; }
.sa-area span, .sa-chips { color: #94a3b8; font-size: 13px; }
.sa-area .sa-route { display: block; margin-top: 6px; color: #cbd5e1; }
.sa-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.sa-chips a {
  border: 1px solid #334155;
  border-radius: 999px;
  padding: 4px 10px;
  color: #cbd5e1;
  font-size: 12px;
}
.sa-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.sa-btn {
  display: inline-block;
  background: #0891b2;
  color: #fff;
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 14px;
}
.sa-btn:hover { text-decoration: none; background: #0e7490; }
.sa-foot {
  border-top: 1px solid #1e293b;
  color: #64748b;
  font-size: 12px;
  padding: 20px;
  text-align: center;
}