.workshop .title_left {
    font-size: 30px;
    color: #ffffff;
    position: relative;
    font-weight: bold;
    height: 70px;
    line-height: 45px;
    /* border-bottom: 3px solid #006179; */
    display: inline-block;
    
.research_trends li {
    color: #fbfbfb;
    font-size: 15px;
    line-height: 52px;
    position: relative;
    padding-left: 25px;
    cursor: pointer;
    border-bottom: 0px solid #e6e6e6;}
    
 .pic {
    width: 246px;
    height: 159px;
    overflow: hidden;
    position: relative;
    margin-right: 47px;
    float: left;}

.pic img {
    width: 100%;
    height: 100%;
    display: block;
    transition: all 6s;}