.classNote{margin-bottom:40px}@media (max-width:640px){.classNote{margin-bottom:30px}}.videoList{width:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}.videoList .videoItem{width:calc(33.3333333333% - 20px);margin-right:30px;margin-bottom:30px}.videoList .videoItem:nth-child(3n){margin-right:0}.videoList .videoItem .Img img{aspect-ratio:1/0.66666;width:100%;display:block;-webkit-backface-visibility:hidden;backface-visibility:hidden}.videoList .videoItem .Txt{padding:15px 0;text-align:center}.videoList .videoItem .Txt .title{max-height:55px;display:block;font-size:18px;font-weight:500;line-height:1.2;letter-spacing:0.5px}.videoList .videoItem .Txt .title a{display:block}.videoList .videoItem .Txt .text{max-height:55px;color:#8c8c8c;font-size:16px;line-height:1.5;letter-spacing:0.5px;margin-top:10px}@media (max-width:768px){.videoList .videoItem{width:calc(50% - 10px);margin-right:20px}.videoList .videoItem:nth-child(3n){margin-right:20px}.videoList .videoItem:nth-child(2n){margin-right:0}}@media (max-width:640px){.videoList .videoItem{width:100%;margin-right:0}.videoList .videoItem:nth-child(3n){margin-right:0}.videoList .videoItem .Txt{padding:20px 0 15px}}.insIntroBox{display:-webkit-box;display:-ms-flexbox;display:flex}@media (max-width:768px){.insIntroBox{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}}.insIntroBox .albumBox{width:50%;margin-right:30px}@media (max-width:767px){.insIntroBox .albumBox{width:100%;margin-right:0;margin-bottom:30px}}.insIntroBox .albumBox .albumList .albumItem{cursor:pointer}.insIntroBox .albumBox .albumList .albumItem img{width:100%;display:block;-webkit-backface-visibility:hidden;backface-visibility:hidden}.insIntroBox .albumBox .albumListNav{margin:15px -5px 0}.insIntroBox .albumBox .albumListNav .albumItem{padding:0 5px}.insIntroBox .introBox{-webkit-box-flex:1;-ms-flex:1;flex:1}@media (max-width:767px){.insIntroBox .introBox{-webkit-box-flex:1;-ms-flex:auto;flex:auto}}.insIntroBox .introBox .articleTitle{margin-bottom:15px;padding:0 0 15px 0}.insIntroBox .introBox .Txt{margin-top:20px;line-height:1.6;font-size:13px;color:#6c6c6c}