/* contact-modal.css — 联系商务团队弹窗
   B2B-first 阶段: 用户点任意「联系」CTA 弹出，提供企业微信客服 QR + 邮箱备选 */

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(20, 20, 19, 0.55);
  -webkit-backdrop-filter: blur(2px);
          backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 180ms var(--ease-out);
}

.contact-modal.is-open {
  display: flex;
  opacity: 1;
}

.contact-modal__card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--bg);
  border: 1px solid var(--rule);
  padding: 36px 32px 28px;
  text-align: center;
  transform: translateY(8px);
  transition: transform 220ms var(--ease-out);
}

.contact-modal.is-open .contact-modal__card {
  transform: translateY(0);
}

.contact-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 0;
  color: var(--ink-3);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: color var(--dur-hover) var(--ease-out);
}
.contact-modal__close:hover { color: var(--ink); }

.contact-modal__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}

.contact-modal__title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin-bottom: 20px;
}

.contact-modal__qr {
  display: block;
  width: 220px;
  height: auto;
  margin: 0 auto 20px;
  border: 1px solid var(--rule-soft);
}

.contact-modal__hint {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
  margin-bottom: 4px;
}

@media (max-width: 480px) {
  .contact-modal__card { padding: 32px 22px 24px; }
  .contact-modal__qr   { width: 180px; }
}