.contact-qq-overlay {
  --contact-qq-accent: #f59e0b;
  --contact-qq-accent-strong: #d97706;
  --contact-qq-text: #1f2937;
  --contact-qq-muted: #6b7280;
  --contact-qq-surface: #ffffff;
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 24px;
  background: rgba(17, 24, 39, 0.56);
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.contact-qq-overlay[hidden] {
  display: none;
}

.contact-qq-overlay.is-open {
  opacity: 1;
}

.contact-qq-dialog {
  position: relative;
  width: min(100%, 360px);
  box-sizing: border-box;
  padding: 28px 24px 24px;
  border-radius: 16px;
  background: var(--contact-qq-surface);
  color: var(--contact-qq-text);
  text-align: center;
  box-shadow: 0 20px 60px rgba(17, 24, 39, 0.24);
  transform: translateY(10px) scale(0.98);
  transition: transform 180ms ease-out;
}

.contact-qq-overlay.is-open .contact-qq-dialog {
  transform: translateY(0) scale(1);
}

.contact-qq-icon {
  display: grid;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  place-items: center;
  border-radius: 50%;
  background: #fff7ed;
  color: var(--contact-qq-accent-strong);
}

.contact-qq-icon svg {
  width: 28px;
  height: 28px;
}

.contact-qq-title {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
}

.contact-qq-number {
  margin: 12px 0 4px;
  color: var(--contact-qq-accent-strong);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.5px;
  font-variant-numeric: tabular-nums;
  user-select: all;
}

.contact-qq-help,
.contact-qq-feedback {
  margin: 0;
  color: var(--contact-qq-muted);
  font-size: 14px;
  line-height: 1.6;
}

.contact-qq-feedback {
  min-height: 23px;
  margin-top: 4px;
  color: #047857;
}

.contact-qq-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 18px;
}

.contact-qq-button {
  min-width: 0;
  min-height: 46px;
  box-sizing: border-box;
  padding: 0 16px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #ffffff;
  color: #374151;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  touch-action: manipulation;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.contact-qq-button:hover {
  background: #f9fafb;
}

.contact-qq-button--primary {
  border-color: var(--contact-qq-accent);
  background: var(--contact-qq-accent);
  color: #ffffff;
}

.contact-qq-button--primary:hover {
  border-color: var(--contact-qq-accent-strong);
  background: var(--contact-qq-accent-strong);
}

.contact-qq-button:focus-visible,
[data-contact-qq]:focus-visible {
  outline: 3px solid rgba(245, 158, 11, 0.38);
  outline-offset: 2px;
}

html.contact-qq-open,
html.contact-qq-open body {
  overflow: hidden;
}

.contact-qq-entry {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 0 22px;
  border: 0;
  border-radius: 10px;
  background: var(--contact-qq-accent, #f59e0b);
  color: #ffffff !important;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  touch-action: manipulation;
}

@media (max-width: 374px) {
  .contact-qq-overlay { padding: 16px; }
  .contact-qq-dialog { padding: 24px 18px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .contact-qq-overlay,
  .contact-qq-dialog,
  .contact-qq-button {
    transition: none;
  }
}