/* style.css */
:root {
  --bg: #f8f9fa;
  --surface: #e0e5ec;
  --text: #2d3436;
  --text-light: #636e72;
  --shadow-light: #ffffff;
  --shadow-dark: #a3b1c6;
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
.neu-container { max-width: 900px; margin: 0 auto; padding: 24px 20px; }

/* 元件樣式 */
.neu-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  border: 1px solid rgba(255,255,255,0.4);
}
.neu-btn {
  display: inline-block; background: var(--bg); border: none; color: var(--text);
  font-size: 16px; font-weight: 600; padding: 14px 32px; border-radius: 50px;
  cursor: pointer; text-decoration: none; transition: var(--transition);
  box-shadow: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
  margin: 8px; text-align: center;
}
.neu-btn:hover { transform: translateY(-2px); }
.neu-btn:active { box-shadow: inset 5px 5px 10px var(--shadow-dark), inset -5px -5px 10px var(--shadow-light); transform: scale(0.98); }

.back-link {
  display: inline-flex; align-items: center; gap: 8px; color: var(--primary, #6c5ce7);
  text-decoration: none; font-weight: 600; margin-bottom: 20px; padding: 8px 16px;
  border-radius: 8px; transition: var(--transition);
}
.back-link:hover { background: var(--surface); }

.disclaimer {
  background: #fff3cd; color: #856404; padding: 12px; border-radius: 8px;
  margin-top: 20px; font-size: 13px; line-height: 1.5; border-left: 4px solid #ffc107;
}

h1 { font-size: 32px; font-weight: 800; margin-bottom: 12px; text-align: center; }
h2 { font-size: 24px; font-weight: 700; margin: 28px 0 16px; }
p { margin-bottom: 12px; color: var(--text-light); }
.features-list { list-style: none; padding: 0; }
.features-list li { padding: 12px 0 12px 40px; position: relative; border-bottom: 1px solid var(--surface); }
.features-list li::before {
  content: "✓"; position: absolute; left: 0; top: 12px;
  width: 28px; height: 28px; background: var(--primary, #6c5ce7); color: white;
  border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold;
}

.product-hero { text-align: center; padding: 40px 20px; }
.product-image {
  width: 100%; max-width: 300px; height: 300px; object-fit: cover;
  border-radius: var(--radius); margin: 20px auto;
  box-shadow: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light);
}
.cta-section { text-align: center; padding: 40px 20px; }

@media (max-width: 768px) {
  h1 { font-size: 26px; }
  .neu-card { padding: 24px 20px; }
  .product-image { height: 240px; }
}