.kl700 .ts{
width:280px;}
.sub-menu {
  display: none;}
.active{
display:block;}
.sub-menu .sub_item{
    position: relative;
    width: 207px;
    margin-left: 13px;
    line-height: 30px;
    padding: 10px 0 10px 30px;
    background-color: #fff;
    box-sizing: border-box;
    border-bottom: 1px solid #c4c4c4;}
.sub-menu .sub_item a {
    display: block;
    font-size: 14px;
    color: #000;}  

.sub_item::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 0;
  bottom: 0; /* 高度撑满整个li */
  width: 4px; /* 竖条宽度 */
  background-color: #ff9900; /* 橙色 */
  
  /* 默认隐藏（用透明度或缩放隐藏，配合hover做动画） */
  opacity: 0; 
  transition: opacity 0.2s;}

/* 鼠标悬浮时显示 */
.sub_item:hover::before {
  opacity: 1;}  
  
.xianshi::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 0;
  bottom: 0; /* 高度撑满整个li */
  width: 4px; /* 竖条宽度 */
  background-color: #ff9900; /* 橙色 */
  opacity: 1; 
  transition: opacity 0.2s;}
.vsbcontent-table-container-outer { position: relative;}
.vsbcontent-table-container
{
    width: 98%;
    overflow-y: auto;
    _overflow: auto;
    margin: 2px;}
.vsbcontent-table-container::-webkit-scrollbar
{
    -webkit-appearance: none;
    width: 14px;
    height: 14px;}
.vsbcontent-table-container::-webkit-scrollbar-thumb
{
    border-radius: 8px;
    border: 3px solid #fff;
    background-color: rgba(0, 0, 0, .3);}
.vsbcontent-table-container-fade
{
    position: absolute;
    right: 0;
    width: 5px;
    height: 100%;
    background-image: -webkit-linear-gradient(0deg, rgba(255,255,255,.5), #fff);
    background-image: -moz-linear-gradient(0deg, rgba(255,255,255,.5), #fff);
    background-image: -ms-linear-gradient(0deg, rgba(255,255,255,.5), #fff);
    background-image: -o-linear-gradient(0deg, rgba(255,255,255,.5), #fff);
    background-image: linear-gradient(0deg, rgba(255,255,255,.5), #fff);}