neiyou_user_web/public/assets/examples/css/layouts/page-aside-fixed.css

.page-aside-fix .page-aside .page-aside-inner {
  position: fixed !important;
  top: 66px;
  bottom: 0;
  width: 260px;
  overflow-y: scroll;
  background-color: #fff;
  transition: top .5s ease, left .5s ease, width .5s ease, opacity .3s ease;
}

.page-aside-fix .page-aside .page-aside-section .list-group-item.active, .page-aside-fix .page-aside .page-aside-section .list-group-item.active:focus, .page-aside-fix .page-aside .page-aside-section .list-group-item.active:hover {
  z-index: auto;
}

.page-aside-fix + .site-footer {
  margin-left: 260px;
}

.site-menubar-unfold .page-aside-fix + .site-footer {
  margin-left: 520px;
}

.site-menubar-fold .page-aside-fix + .site-footer {
  margin-left: 350px;
}

@media (max-width: 1199px) {
  .page-aside-fix .page-aside {
    width: 220px;
  }

  .page-aside-fix .page-aside .page-aside-inner {
    width: 220px;
  }

  .page-aside-fix + .site-footer {
    margin-left: 220px;
  }

  .site-menubar-unfold .page-aside-fix + .site-footer {
    margin-left: 480px;
  }

  .site-menubar-fold .page-aside-fix + .site-footer {
    margin-left: 310px;
  }
}

@media (max-width: 767px) {
  .page-aside-fix .page-aside {
    width: 0;
  }

  .page-aside-fix .page-aside .page-aside-inner {
    position: absolute;
    left: -220px;
    z-index: 0;
    width: 220px;
  }

  .page-aside-fix .page-aside.open {
    width: 220px;
  }

  .page-aside-fix .page-aside.open .page-aside-inner {
    left: 0;
  }

  .page-aside-fix .page-aside .page-aside-switch {
    z-index: 1;
  }

  .page-aside-fix + .site-footer {
    margin-left: 0 !important;
  }
}