:root {
  --brand: #1652b8;
  --brand-dark: #123f8f;
  --bg: #eef2f9;
  --card: #ffffff;
  --text: #1f2733;
  --muted: #6b7683;
  --line: #e3e8ef;
  --danger: #d92d20;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
    "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.header {
  background: #1F5CE2;
  border-bottom: 1px solid var(--line);
  padding: 16px;
}

.header-inner {
  max-width: 560px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.brand-logo {
  display: block;
  width: auto;
  height: 100px;
  max-width: 100%;
}

.container {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--brand);
}

.link-banner {
  background: #fdeceb;
  border: 1px solid #f5c2bd;
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 14px;
}

.link-banner-title {
  font-weight: 700;
  color: #b42318;
  margin-bottom: 4px;
}

.link-banner-text {
  font-size: 13.5px;
  color: #7a2e28;
}

.link-banner.is-warning {
  background: #fff8e6;
  border-color: #f2d98d;
}

.link-banner.is-warning .link-banner-title {
  color: #7a5b00;
}

.link-banner.is-warning .link-banner-text {
  color: #6b5200;
}

.notice-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 13.5px;
}

.notice-list li {
  margin-bottom: 6px;
}

.merchant-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.merchant-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.merchant-row .label {
  color: var(--muted);
}

.merchant-row .value {
  font-weight: 600;
  text-align: right;
  word-break: break-word;
}

.merchant-row .value.danger {
  color: var(--danger);
}

.merchant-row .value a {
  color: var(--brand);
  word-break: break-all;
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
}

.required {
  color: var(--danger);
}

.form-input {
  display: block;
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(22, 82, 184, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 76px;
}

.form-input.is-invalid {
  border-color: var(--danger);
  background: #fff7f6;
}

.form-error {
  color: var(--danger);
  font-size: 12.5px;
  margin-top: 5px;
  white-space: pre-line;
}

.submit-btn {
  display: block;
  width: 100%;
  padding: 14px;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.submit-btn:disabled {
  background: #9db2d6;
  cursor: not-allowed;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 22px;
}

.footer p {
  margin: 6px 0;
}

.secure-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #e8f3ec;
  color: #1f7a44;
  font-size: 12px;
}

.privacy {
  margin-top: 12px;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}

.privacy summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.privacy p {
  margin: 8px 0 0;
  line-height: 1.7;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 22, 36, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  width: 100%;
  max-width: 360px;
  background: #fff;
  border-radius: 14px;
  padding: 20px;
  text-align: center;
}

.modal-icon {
  font-size: 30px;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  margin: 8px 0;
}

.modal-body {
  font-size: 14px;
  color: #46505d;
  white-space: pre-line;
  word-break: break-word;
}

.case-no {
  display: inline-block;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: #eef3fd;
  color: var(--brand-dark);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.modal-btn {
  margin-top: 16px;
  width: 100%;
  padding: 11px;
  border: 0;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}