/*登录小狐狸*/
.sign-content .sign::before,
.sign-content .sign-img+.sign::before
{
    content:'';
    position:absolute;
    top:-140px;
    left:50%;
    transform:translateX(-50%);
    width:191px;
    height:187px;
    background:url(../img/20240824182029399-20240812135435257.webp) no-repeat center / 100%;
    z-index:10;
}