/* ===== 联系表单提示弹窗 ===== */
.contact-alert-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(50, 63, 84, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.contact-alert-overlay.show {
  opacity: 1;
  visibility: visible;
}

.contact-alert-box {
  width: 420px;
  max-width: 100%;
  padding: 40px 36px 32px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
  text-align: center;
  transform: translateY(16px) scale(0.96);
  transition: transform 0.25s ease;
}

.contact-alert-overlay.show .contact-alert-box {
  transform: translateY(0) scale(1);
}

.contact-alert-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: bold;
  line-height: 1;
}

.contact-alert-icon.is-success {
  color: #00bfa6;
  background: rgba(0, 191, 166, 0.12);
}

.contact-alert-icon.is-error {
  color: #fabc16;
  background: rgba(250, 188, 22, 0.15);
}

.contact-alert-title {
  font-weight: bold;
  font-size: 24px;
  color: #000000;
  margin-bottom: 12px;
}

.contact-alert-message {
  font-size: 16px;
  line-height: 1.6;
  color: #7e878a;
  margin-bottom: 28px;
}

.contact-alert-btn {
  min-width: 180px;
  height: 56px;
  padding: 0 32px;
  border: 0;
  border-radius: 16px;
  font-weight: 500;
  font-size: 18px;
  color: #ffffff;
  cursor: pointer;
  outline: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.contact-alert-btn.is-success {
  background: #00bfa6;
}

.contact-alert-btn.is-success:hover {
  background: #00a08c;
}

.contact-alert-btn.is-error {
  background: #fabc16;
}

.contact-alert-btn.is-error:hover {
  background: #f9c516;
}

.contact-alert-btn:active {
  transform: scale(0.98);
}