.study[data-v-1d9b210a]{padding:30px 15vw;background:url(../img/ppt_bg.acac644e.png) 0 repeat-y;background-size:100% auto}.study .white[data-v-1d9b210a]{color:#fff}.study>.box>.title[data-v-1d9b210a]{background-color:#000;color:#fff;padding:25px 30px;border-top-left-radius:10px;border-top-right-radius:10px;display:flex;justify-content:space-between;align-items:center}.study>.box>.title>.tool>button[data-v-1d9b210a]{margin-left:20px;background-color:transparent;border:none;color:#fff}.study>.box>.content>img[data-v-1d9b210a]{width:100%}video[data-v-1d9b210a]{width:100%;max-width:100%}.el-breadcrumb[data-v-1d9b210a]{color:#fff}[data-v-1d9b210a] .el-breadcrumb__inner{color:#fff!important}