/*
*组件样式
*/
p.vsbcontent_img {

    text-align: center;}
.ppt {
    width: 100%;
    height: auto;
    border-top: 1px dashed #ccc;
    padding-top: 10px;
 
    margin: 0 auto;}

.ppt p {
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    height: 30px;
    font-size:15px;
    display: block
;}