/* 表单提交提示条（原为 JS 内联样式，CSP style-src 'self' 会丢弃内联样式，改为 class 控制） */
.lead-toast{
  position:fixed;left:50%;top:50%;z-index:9999;
  max-width:min(520px,calc(100vw - 40px));padding:16px 24px;
  color:#fff;background:rgba(16,32,51,.96);border-radius:10px;
  box-shadow:0 18px 48px rgba(16,32,51,.34);
  font-size:15px;line-height:1.6;font-weight:600;text-align:center;
  pointer-events:none;opacity:0;
  transform:translate(-50%,calc(-50% + 14px));
  transition:transform .22s ease,opacity .22s ease;
}
.lead-toast.is-on{opacity:1;transform:translate(-50%,-50%);}