/* 聊天室浮动按钮 */
#chat-room-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
}

#chat-room-btn a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: linear-gradient(135deg, #4D698E, #6B8CB5);
  color: #fff;
  text-decoration: none;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(77, 105, 142, 0.4);
  transition: all 0.3s ease;
  white-space: nowrap;
}

#chat-room-btn a:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(77, 105, 142, 0.6);
  background: linear-gradient(135deg, #3d5a7e, #5a7ca5);
}

/* 在聊天室页面隐藏按钮 */
body[class*="chat"] #chat-room-btn {
  display: none;
}

/* 移动端适配 */
@media (max-width: 768px) {
  #chat-room-btn {
    bottom: 16px;
    right: 16px;
  }
  #chat-room-btn a {
    padding: 12px 18px;
    font-size: 14px;
  }
}