.aside-btn {
  position: relative;
  display: flex;
  align-items: center;
  /* padding: 10px 14px; */
  /* border-radius: 8px; */
  transition: background-color .25s ease, color .25s ease;
}

.aside-btn::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--primary, #409eff);
  border-radius: 2px;
  transform: translateY(-50%);
  transition: height .25s ease;
}

.aside-btn:hover {
  background: rgba(64,158,255,.08);
  color: var(--primary, #409eff);
}

.aside-btn:hover::before {
  height: 60%;
}

/* 当前项 */
.menu-item.active > .aside-btn {
  background: rgba(64,158,255,.12);
  color: var(--primary, #409eff);
}

.menu-item.active > .aside-btn::before {
  height: 70%;
}
.aside-btn i {
  transition: transform .25s cubic-bezier(.34,1.56,.64,1);
}

.aside-btn:hover i {
  transform: scale(1.15);
}
.submenu {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transform: translateY(-4px);
  transition: max-height .35s ease, opacity .25s ease, transform .25s ease;
}

/* 父级展开状态（你 JS 里只要加 .open 即可） */
.menu-item.open > .submenu {
  max-height: 500px;
  opacity: 1;
  transform: translateY(0);
}
.toggle-icon {
  margin-left: auto;
  transition: transform .3s ease;
}

.menu-item.is-current > .aside-btn {
  background: rgba(64,158,255,.14);
  color: var(--primary, #409eff);
  font-weight: 500;
}

.menu-item.is-current > .aside-btn::before {
  height: 70%;
}
.menu-item.is-open > .submenu {
  max-height: 600px;
  opacity: 1;
  transform: translateY(0);
}

/* .menu-item.is-open > .aside-btn .toggle-icon {
  transform: rotate(90deg);
} */
.menu-item.has-children.is-current > .aside-btn {
  background: rgba(64,158,255,.08);
}
.aside-ul .menu-item{
margin:0 0 2px 0;
}
.aside-ul .menu-item .wznav-sub .menu-item{
margin:2px 0 0 0;
}