zentao/extension/max/traincourse/css/common.css

#mainRow > .side-col > .cell > ul.nav > li > a {padding: 8px 11px;}

#course .tree li.active>span.item{font-weight: 700; color: #0c64eb;}
#course .tree li.active>span.item a{font-weight: 700; color: #0c64eb;}
#course .tree li>span.item a{color: #0d3d88;}