/* 在线客服浮窗 —— 亚太经贸发展联盟官网（接入企业微信客服） */
#chat-toggle{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:2147483000;
  width:56px;height:56px;border:none;border-radius:50%;
  background:#009edb;color:#fff;cursor:pointer;
  box-shadow:0 6px 20px rgba(0,58,112,.28);
  display:flex;align-items:center;justify-content:center;
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
}
#chat-toggle:hover{background:#007fb8;transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,58,112,.36);}
#chat-toggle:active{transform:translateY(0);}
#chat-toggle svg{width:26px;height:26px;display:block;}

@media (max-width:480px){
  #chat-toggle{
    right:16px;
    /* 固定回退值，确保不支持 env() 的浏览器也能显示；支持的浏览器用安全区增强 */
    right:calc(16px + env(safe-area-inset-right,0px));
    bottom:28px;
    bottom:calc(16px + env(safe-area-inset-bottom,0px));
  }
}