/* 自定义美洽入口按钮（替代默认「我们在线，来聊聊吧」） */
.portal-meiqia-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9998;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 48px;
  padding: 0 20px;
  border: none;
  border-radius: 24px;
  background: var(--primary, #329d15);
  color: #fff;
  font-size: 18px;
  font-family: inherit;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(50, 157, 21, 0.35);
  transition: background 0.2s, transform 0.2s, opacity 0.2s, visibility 0.2s;
}

.portal-meiqia-btn:hover {
  background: var(--primary-hover, #5bb144);
}

.portal-meiqia-btn:active {
  transform: scale(0.98);
}

.portal-meiqia-btn.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.has-portal-meiqia .back-top {
  bottom: 84px;
}

@media (max-width: 768px) {
  .portal-meiqia-btn {
    right: 16px;
    bottom: 16px;
    min-width: 108px;
    height: 44px;
    font-size: 16px;
  }

  body.has-portal-meiqia .back-top {
    bottom: 72px;
  }
}