/* ==========================================================================
   思达普科技官网 · 弹窗（咨询 / 线索 / 下单 / 扫码支付）样式
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1005;
  background-color: rgba(0, 0, 0, 0.4);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 1010;
  width: min(520px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  overflow-y: auto;
  padding: 28px;
  border-radius: 24px;
  background-color: var(--color-bg-card);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.18);
  transform: translate(-50%, -50%);
}

.modal[hidden] {
  display: none;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.modal-head h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
}

.modal-close {
  flex: none;
  display: flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: 16px;
}

.modal-close:hover {
  color: var(--color-text-primary);
}

.modal-sub {
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.modal-product {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  border-radius: 980px;
  background-color: var(--color-accent-soft);
  font-size: 13px;
}

/* ---- 会员登录 / 注册 ---- */
.auth-hint {
  font-size: 13px;
}

/* 短信验证码行：验证码输入框 + 获取按钮 */
.sms-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.sms-row .sms-input {
  flex: 1;
  min-width: 0;
}

.sms-row .sms-send {
  flex: none;
  white-space: nowrap;
  min-width: 108px;
}

.sms-privacy {
  margin-top: 14px;
  font-size: 12px;
  color: var(--color-text-tertiary);
  text-align: center;
}

/* ---- 表单 ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-field {
  display: block;
  margin-bottom: 14px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.form-label em {
  color: #E5484D;
  font-style: normal;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background-color: var(--color-bg-card);
  color: var(--color-text-primary);
  font: inherit;
  font-size: 15px;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

textarea.form-input {
  resize: vertical;
}

.form-error {
  margin: -6px 0 12px;
  font-size: 13px;
  color: #E5484D;
}

.form-error[hidden] {
  display: none;
}

/* ---- 成功视图 ---- */
.modal-success {
  padding: 16px 0 8px;
  text-align: center;
}

.modal-success-mark {
  display: inline-flex;
  width: 56px;
  height: 56px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 26px;
  font-weight: 600;
}

.modal-success h3 {
  font-size: 19px;
  font-weight: 600;
}

.modal-success p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.modal-success .modal-success-extra {
  font-size: 13px;
  color: var(--color-text-tertiary);
}

.modal-success .button {
  margin-top: 18px;
}

/* ---- 订单确认 ---- */
.order-items {
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
}

.order-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  font-size: 14px;
}

.order-item small {
  color: var(--color-text-tertiary);
}

.order-total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 10px;
  margin-top: 6px;
  border-top: 1px solid var(--color-border);
  font-size: 15px;
  font-weight: 600;
}

/* ---- 扫码支付 ---- */
.pay-tabs {
  display: flex;
  gap: 8px;
}

.pay-tab {
  flex: 1;
  padding: 10px 8px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.pay-tab.is-active {
  border-color: var(--color-accent);
  background-color: var(--color-accent-soft);
  color: var(--color-text-primary);
  font-weight: 600;
}

.pay-qr-box {
  margin-top: 18px;
  text-align: center;
}

.pay-qr-box img {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: 16px;
}

.pay-amount {
  margin-top: 14px;
  font-size: 16px;
}

.pay-amount strong {
  font-size: 22px;
  font-weight: 600;
}

.pay-demonote {
  margin: 8px 0 16px;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* 微信支付真实流程：加载 / 错误提示 / 二维码 */
.pay-qr-loading {
  padding: 40px 0;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.pay-qr-img {
  width: 240px;
  height: 240px;
}

.pay-qr-error {
  padding: 24px 12px 4px;
  font-size: 14px;
  color: var(--color-danger);
  word-break: break-all;
}

.pay-qr-error-tip {
  margin: 8px 0 16px;
  font-size: 12px;
  color: var(--color-text-tertiary);
  line-height: 1.6;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   通知公告弹窗（DeepSeek 开放平台风格）
   ========================================================================== */
.notice-modal-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 46vh;
  overflow-y: auto;
  padding: 4px 2px;
}

.notice-modal-item {
  padding: 14px 16px;
  border-radius: 12px;
  background-color: var(--color-bg-secondary);
}

.notice-modal-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.notice-modal-item p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.notice-modal-item time {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.notice-modal-foot {
  margin-top: 16px;
}

/* ==========================================================================
   支付弹窗内的优惠口令（js/forms.js：服务端 /api/promo/quote 算折后价）
   ========================================================================== */
.pay-promo {
  margin: 4px 0 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background-color: var(--color-bg-secondary);
}

.pay-promo-label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.pay-promo-row {
  display: flex;
  gap: 8px;
}

.pay-promo-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.pay-promo-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.pay-promo-btn {
  flex: 0 0 auto;
  height: 38px;
  padding: 0 16px;
  font-size: 14px;
}

.pay-promo-msg {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-tertiary);
}
.pay-promo-msg.is-ok { color: var(--color-success, #1a7f37); }
.pay-promo-msg.is-bad { color: var(--color-danger); }