/* [AI 2026-10-15] 留言/询价表单提交成功的悬浮提示（阿里云风格） */
#smToast{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.92);z-index:999999;
  display:flex;align-items:center;gap:12px;padding:16px 28px;background:#fff;border-radius:12px;
  box-shadow:0 8px 32px rgba(0,0,0,.14),0 2px 8px rgba(0,0,0,.06);
  font-size:15px;line-height:1.4;color:#1a1a1a;white-space:nowrap;
  opacity:0;visibility:hidden;transition:all .22s cubic-bezier(.4,0,.2,1);pointer-events:none}
#smToast.show{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}
#smToast .ico{width:26px;height:26px;border-radius:50%;background:#00A854;flex:0 0 auto;position:relative}
#smToast .ico:after{content:"";position:absolute;left:9px;top:4px;width:6px;height:11px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
#smToast.err .ico{background:#E64545}
#smToast.err .ico:after{left:7px;top:12px;width:12px;height:2px;border:0;background:#fff;transform:none}
@media (max-width:640px){#smToast{padding:14px 22px;font-size:14px}}
/* 强化：非错误态强制显示绿色对勾 */
#smToast:not(.err) .ico{background:#00A854 !important}
#smToast:not(.err) .ico:after{content:"" !important;left:9px !important;top:4px !important;
  width:6px !important;height:11px !important;border:2px solid #fff !important;
  border-top:0 !important;border-left:0 !important;background:transparent !important;
  transform:rotate(45deg) !important}
#smToast.err .ico{background:#E64545 !important}
#smToast.err .ico:after{content:"" !important;left:7px !important;top:12px !important;
  width:12px !important;height:2px !important;border:0 !important;background:#fff !important;transform:none !important}