.list-title {
  height: 50%; 
}
.rights {
  position: absolute;
  right: 0;
}
  breadcrumb.submenu {
  display: flex;
  justify-content: flex-end;

}
.dropdown {
  position: absolute;
  list-style: none;
  padding: 0;
  margin: 0;
margin-top: -30px; 
background: #474747;
padding: 4px 0px 4px 0px !important;
-webkit-border-radius: 5px;
 right: 10px; 
min-width: 150px;
    text-align: center; 
}

.dropdown > li {
  position: relative; /* 允许子菜单相对于父菜单项定位 */
}

.dropdown > li > a {
  text-decoration: none;
  color:#ffffff;
  display: block;
  padding: 4px; /* 可以根据需要调整 */
}

/* 隐藏子菜单 */
.submenu {
  display: none;
  position: absolute;
  top: 100%; /* 子菜单的顶部与父菜单项的底部对齐 */
  left: 0; /* 子菜单与父菜单项左对齐 */
  background-color:#0f0f0fba;
  min-width: 150px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2); 
  z-index: 100;
  margin: 0; /* 确保没有外边距 */
  padding: 0; /* 确保没有内边距 */
  text-align: center;
  max-height: 500px;
            overflow-y: auto;
}

/* 鼠标悬停时显示子菜单 */
.dropdown > li:hover .submenu {
  display: block;
}

/* 子菜单项样式 */
.submenu > li > a {
  color: white;
  display: block;
  padding: 8px; /* 根据需要调整子菜单项的填充 */
  text-decoration: none; 
  padding-bottom: 10px;
 font-size: 14px;
} 


/* 鼠标悬停时更改子菜单项的背景色 */
.submenu > li > a:hover {
  background-color: #555;
  color: red;
}
.icon-lx {
	font-size: 1.1rem;
	line-height: 1.1rem;
	vertical-align: -.0667em
}

 @media  screen and (max-width: 768px) {
.dropdown {
 right: 1px;
 margin-top: -30px;
}
}