:root {
  --bg: #0b1020;
  --bg-glow: #1b2a52;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.10);
  --text: #eef2ff;
  --muted: #9aa6c4;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(900px 520px at 50% -10%, var(--bg-glow) 0%, transparent 65%),
    var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.stage {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 520px;
  padding: 48px 32px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  backdrop-filter: blur(6px);
}

.pill {
  display: inline-block;
  margin: 0 0 20px;
  padding: 5px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.brand {
  margin: 0 0 16px;
  font-size: clamp(2.2rem, 8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 32px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.lead strong {
  color: var(--text);
  font-weight: 600;
}

.counter {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.counter-number {
  font-size: 3.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.counter-unit {
  font-size: 0.95rem;
  color: var(--muted);
}

.cta {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  background: var(--accent);
  border-radius: 12px;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.cta:hover,
.cta:focus-visible {
  background: #3d78e8;
  transform: translateY(-1px);
}

.fallback {
  margin: 20px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .cta { transition: none; }
}