:root {
  --ink: #1e1b4b; --muted: #5b567a; --bg: #f5f3ff; --card: #fff;
  --accent: #7c3aed; --accent2: #2563eb;
  --font: "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font); color: var(--ink);
  background: linear-gradient(180deg, #ede9fe, var(--bg) 30%);
  line-height: 1.55; padding-bottom: 40px;
}
.top {
  padding: max(16px, env(safe-area-inset-top)) 16px 12px;
  background: linear-gradient(135deg, #4c1d95, #6d28d9 60%, #2563eb);
  color: #fff;
}
.top h1 { margin: 8px 0 4px; font-size: clamp(22px, 5vw, 30px); }
.meta { margin: 0; opacity: .92; font-size: 14px; font-weight: 600; }
.back {
  display: inline-block; color: #fff; text-decoration: none; font-weight: 800;
  background: rgba(255,255,255,.2); padding: 8px 12px; border-radius: 999px;
}
.tabs {
  display: flex; gap: 8px; padding: 12px 12px 0; overflow-x: auto;
  position: sticky; top: 0; background: #ede9feee; backdrop-filter: blur(8px); z-index: 5;
}
.tabs button {
  border: 0; border-radius: 999px; padding: 10px 14px; font-weight: 800;
  background: #fff; color: var(--ink); cursor: pointer; white-space: nowrap;
  box-shadow: 0 3px 0 #c4b5fd;
}
.tabs button.on { background: var(--accent); color: #fff; box-shadow: 0 3px 0 #5b21b6; }
main { max-width: 820px; margin: 0 auto; padding: 16px 14px; }
.panel { display: none; }
.panel.on { display: block; }
.panel h2 { margin: 0 0 8px; font-size: 22px; }
.note { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.note a { color: var(--accent2); font-weight: 700; }
.card {
  background: var(--card); border-radius: 18px; padding: 14px 16px; margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(76, 29, 149, .08);
  border: 1px solid #e9e5ff;
}
.card h3 { margin: 0 0 8px; font-size: 17px; color: #4c1d95; }
.card ul { margin: 8px 0 0; padding-left: 1.2em; }
.card.accent { border-color: #fde68a; background: #fffbeb; }
.card.wait { border-style: dashed; background: #f8fafc; color: var(--muted); }
.foot {
  text-align: center; color: var(--muted); font-size: 12px; font-weight: 600;
  padding: 8px 16px 24px;
}
@media print {
  .tabs, .back { display: none; }
  .panel { display: block !important; break-inside: avoid; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}

.dl { list-style: none; padding: 0; margin: 8px 0 0; }
.dl li { margin: 0 0 10px; }
.dl a {
  display: inline-block; font-weight: 800; color: #fff; text-decoration: none;
  background: linear-gradient(135deg, #7c3aed, #2563eb); padding: 10px 14px;
  border-radius: 12px; box-shadow: 0 4px 0 #4c1d95;
}
.dl a:active { transform: translateY(2px); box-shadow: 0 2px 0 #4c1d95; }