.xueke {
  flex: 1;          /* 五等分 */
  transition: background .25s ease;   /* 顺滑过渡 */
  padding: 10px;
  height: 35px;
  box-sizing: border-box;
  background: #caeefb;
  display: flex;
  align-items: center;
  justify-content: center;}
.xueke:hover {
  background: #e97132;   /* 鼠标悬停时的背景色 */
  cursor: pointer;}
.bar {
  display: flex;              /* 弹性容器 */
  justify-content: center;    /* 整体居中 */
  gap: 20px;                  /* 项与项之间的间隔，按需调 */
  /* 下面 3 行可选，防止被意外换行或压缩 */
  flex-wrap: nowrap;          /* 不换行（默认值，可省略） */
  align-items: center;        /* 如果行高不一致，可纵向居中 */
  padding: 0 10px;}
.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);}