.introduceText{width:90%;height:calc(100% - 90px);overflow-y:auto;display:flex;flex-direction:column;margin:20px auto;padding:20px;background-color:#fff;border-radius:5px;box-shadow:0 2px 12px 0 rgba(0,0,0,.1)}.introduceText .introduceTitle{margin-bottom:20px;font-weight:700;font-size:32px;text-align:center}.introduceText .introduceContent{height:80%;text-indent:2em;line-height:2;font-size:16px}.introduceText .editBrief{margin:0 auto;width:120px;height:40px;background-color:#409eff;border-radius:5px;color:#fff;line-height:40px;text-align:center;cursor:pointer}