*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #00677e;
  --primary-container: #00a8cc;
  --surface: #faf9fe;
  --surface-low: #f4f3f8;
  --on-surface: #1a1b1f;
  --on-surface-variant: #43474e;
  --outline-variant: #bcc8ce;
}

body {
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -40%;
  right: -20%;
  width: 80vw;
  height: 80vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 168, 204, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -30%;
  left: -15%;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 103, 126, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.logo {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  box-shadow: 0 8px 40px rgba(0, 103, 126, 0.12);
  transition: transform 0.3s ease;
}

.logo:hover { transform: scale(1.05); }
.logo-sm { width: 80px; height: 80px; border-radius: 20px; }

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2.5rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  border: none;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 24px rgba(0, 103, 126, 0.25);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 103, 126, 0.35);
}

.cta:active { transform: translateY(0); }
.cta svg { width: 20px; height: 20px; }

.note {
  font-size: 0.8rem;
  color: var(--outline-variant);
  letter-spacing: 0.04em;
}

.footer {
  position: fixed;
  bottom: 1.5rem;
  z-index: 1;
  font-size: 0.8rem;
  color: var(--outline-variant);
  animation: fadeUp 0.8s 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

.footer a:hover { text-decoration: underline; }

.page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
  width: 100%;
  max-width: 480px;
}

.card {
  padding: 3rem 2rem;
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 4px 40px rgba(0, 103, 126, 0.06);
  text-align: center;
  width: 100%;
}

.card h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: #fff;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface-low);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

.user-info strong { color: var(--on-surface); }

.link-btn {
  font-size: 0.8rem;
  color: var(--outline-variant);
  cursor: pointer;
  background: none;
  border: none;
  text-decoration: underline;
}

@media (max-width: 480px) {
  .logo { width: 96px; height: 96px; border-radius: 22px; }
  .logo-sm { width: 64px; height: 64px; border-radius: 16px; }
}