.mpe-layout{

    display:flex;

    gap:30px;

    align-items:flex-start;

}

.mpe-sidebar{

    width:260px;

    background:#ffffff;

    border-radius:18px;

    padding:25px;

    box-shadow:0 10px 30px rgba(0,0,0,.08);

    position:sticky;

    top:30px;

}

.mpe-content{

    flex:1;

}