* { box-sizing: border-box; }
body {
  font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(180deg, #C4ECEB 0%, #9DD9D8 100%);
  margin: 0; padding: 0; color: #2c3e50; line-height: 1.6;
}
.container { max-width: 720px; margin: 0 auto; padding: 16px 16px 24px; }

/* Hero banner — 純圖展示, 不疊任何字 */
.hero {
  margin: 0 0 16px;
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  background: #fff;
}
.hero-img { width: 100%; height: auto; display: block; }

/* 頁面副標 */
.page-title { text-align: center; padding: 8px 0 20px; }
.page-title h1 {
  margin: 0; font-size: 22px; color: #2A7F7C;
  font-weight: 600; letter-spacing: 1px;
}

form { background: #fff; border-radius: 16px; padding: 24px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }

.q { margin-bottom: 20px; }
.q label { display: block; font-weight: 600; margin-bottom: 8px; color: #2c3e50; }
.q .req { color: #e74c3c; }
.q .opt { color: #999; font-weight: 400; font-size: 13px; }
.q .hint { display: block; color: #7A9D9C; font-size: 13px; margin-top: 6px; }

input[type="text"], input[type="email"], input[type="tel"], input[type="date"],
input:not([type]), select, textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid #e0e0e0; border-radius: 8px;
  font-size: 16px; font-family: inherit; background: #fff;
  transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: #2A7F7C; }

.checkbox { display: flex; align-items: flex-start; gap: 8px; cursor: pointer; font-weight: 400; }
.checkbox input { width: auto; margin-top: 4px; accent-color: #2A7F7C; }

.radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.radio-group label { font-weight: 400; cursor: pointer; }
.radio-group input { accent-color: #2A7F7C; }

.info-box { background: #E8F7F6; border-left: 3px solid #2A7F7C; padding: 14px 16px; border-radius: 8px; }
.info-box label { color: #2A7F7C; }
.info-box p { margin: 8px 0; color: #4A6B6A; font-size: 14px; }

.zhuazhou-detail { background: #E8F7F6; border-radius: 8px; padding: 14px 16px; margin-bottom: 12px; }
.zhuazhou-detail .hint-strong { color: #2A7F7C; font-weight: 600; margin: 0 0 10px; font-size: 14px; }
.zhuazhou-detail ul { margin: 8px 0; padding-left: 20px; color: #4A6B6A; font-size: 14px; }
.zhuazhou-detail ul li { margin: 4px 0; }
.zhuazhou-photo { margin-top: 12px; text-align: center; }
.zhuazhou-photo img { max-width: 100%; border-radius: 8px; }

.session-cards { display: flex; flex-direction: column; gap: 12px; }
.session-card {
  border: 2px solid #e0e0e0; border-radius: 12px; padding: 16px; cursor: pointer;
  transition: all 0.2s; background: #fff; position: relative;
}
.session-card:hover:not(.disabled) { border-color: #2A7F7C; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(42,127,124,0.20); }
.session-card.selected { border-color: #2A7F7C; background: #E8F7F6; }
.session-card.disabled { opacity: 0.5; cursor: not-allowed; background: #f5f5f5; }
.session-name { font-weight: 600; font-size: 16px; color: #2c3e50; }
.session-meta { display: flex; gap: 12px; margin-top: 6px; font-size: 13px; color: #5A7B7A; }
.session-discount {
  display: inline-block; background: #FF7F6E; color: #fff; padding: 4px 10px;
  border-radius: 12px; font-size: 12px; margin-top: 8px; font-weight: 600;
}
.session-full { background: #999; }

.amount-box { background: #F2FAF9; border: 2px solid #9DD9D8; border-radius: 12px; padding: 18px; }
.amount-box label { color: #2A7F7C; }
.amount-line { display: flex; justify-content: space-between; padding: 6px 0; font-size: 15px; }
.amount-line.total { border-top: 1.5px dashed #9DD9D8; margin-top: 8px; padding-top: 12px; font-weight: 700; font-size: 18px; color: #2A7F7C; }
.amount-line.deposit { color: #2A7F7C; font-weight: 600; padding-top: 12px; border-top: 1px solid #E0F0EF; margin-top: 8px; }
.amount-line.remaining { color: #5A7B7A; font-size: 14px; }
.discount { color: #FF5E4A; font-weight: 600; }

.payment-box { background: #F2FAF9; border: 2px solid #9DD9D8; border-radius: 12px; padding: 18px; }
.payment-box label { color: #2A7F7C; }
.bank-info { background: #fff; border-radius: 8px; padding: 12px; margin-top: 8px; }
.bank-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 14px; }
.bank-row .lbl { width: 50px; color: #5A7B7A; }
.bank-row .val { flex: 1; }
.bank-row .mono { font-family: 'SF Mono', Consolas, monospace; font-weight: 600; font-size: 16px; color: #2c3e50; }
.copy-btn {
  background: #2A7F7C; color: #fff; border: none; padding: 6px 12px;
  border-radius: 6px; cursor: pointer; font-size: 13px;
}
.copy-btn:hover { background: #1F6562; }
.copy-btn.copied { background: #27ae60; }

.submit-btn {
  width: 100%; padding: 16px; background: linear-gradient(135deg, #2A7F7C, #5BB5B2);
  color: #fff; border: none; border-radius: 10px; font-size: 18px; font-weight: 600;
  cursor: pointer; margin-top: 12px; transition: transform 0.1s;
}
.submit-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(42,127,124,0.35); }
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.result-box {
  background: #fff; border-radius: 16px; padding: 32px 24px; margin-top: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08); text-align: center;
}
.result-box.success { border-top: 4px solid #2A7F7C; }
.result-box.error { border-top: 4px solid #e74c3c; }
.result-box h2 { margin: 0 0 16px; color: #2A7F7C; }
.result-box.error h2 { color: #e74c3c; }
.result-box .amount { font-size: 24px; color: #2A7F7C; font-weight: 700; margin: 16px 0; }

.loading { text-align: center; padding: 24px; color: #999; }

@media (max-width: 600px) {
  .container { padding: 12px 8px; }
  .hero { margin: 0 0 12px; border-radius: 10px; }
  .page-title { padding: 4px 0 14px; }
  .page-title h1 { font-size: 18px; }
  form { padding: 16px; border-radius: 12px; }
  .q { margin-bottom: 16px; }
  input, select { font-size: 16px; padding: 10px 12px; }
}