.image-action-part[data-v-11528a6c]:hover{opacity:1}.image-action-part[data-v-11528a6c]{position:absolute;display:flex;justify-content:space-around;align-items:center;opacity:0;background:rgba(0,0,0,.1);left:0;top:0;width:100%;height:100%}.image-upload-cover[data-v-11528a6c]{text-align:center;cursor:pointer;line-height:100px;margin-right:20px;width:100px;height:100px;border-radius:4px;border:2px dashed #dcdfe6}.video-image-upload-cover[data-v-11528a6c]{line-height:135px;width:240px;height:135px}.image-upload-cover img[data-v-11528a6c]{width:100%;height:100%}.item-line[data-v-11528a6c]{border-bottom:1px dashed rgba(0,0,0,.08);margin-bottom:20px;margin-left:60px}.upload-item-text[data-v-11528a6c]{font-weight:600;margin-left:10px}.image-list-preview[data-v-11528a6c]{display:inline-block;text-align:center;position:relative}.word-group-cover[data-v-75bc939b]{text-align:center;cursor:pointer;line-height:100px;margin-right:20px;width:160px;height:100px;border-radius:4px;border:1px dashed rgba(0,0,0,.2)}.word-group-cover img[data-v-75bc939b]{width:100%;height:100%;border-radius:4px}.word-item-video[data-v-75bc939b]{margin-left:60px;height:90px;width:160px;position:relative}.video-cover[data-v-75bc939b]:hover{background:rgba(0,0,0,.5);color:#fff}.video-cover[data-v-75bc939b]{cursor:pointer;height:100%;width:100%;display:flex;align-items:center;justify-content:center;color:#000;font-size:30px;left:0;top:0;position:absolute;background:rgba(0,0,0,.1)}.add-chapter-action[data-v-75bc939b]:hover{background:#f5f5f5}.add-chapter-action[data-v-75bc939b]{cursor:pointer;margin-top:20px;color:#666;background:rgba(0,0,0,.02);text-align:center;border-radius:4px;font-size:16px;line-height:40px;padding:10px}.chapter-title[data-v-75bc939b]{line-height:60px;border-radius:4px;background:rgba(0,0,0,.02);padding:10px 0;margin-bottom:10px}.chapter-sub-title[data-v-75bc939b],.chapter-title[data-v-75bc939b]{flex:1;display:flex;align-items:center;justify-content:space-between;font-size:16px;padding-right:8px;padding-left:8px}.book-info-right .el-form-item[data-v-75bc939b]{margin-bottom:0!important}.group-name[data-v-75bc939b]{font-size:18px;font-weight:600;padding:0 10px}.image-action-part span[data-v-75bc939b]{padding:5px;cursor:pointer;font-size:20px;display:inline-block;background:rgba(0,0,0,.5);border-radius:50%;color:#fff}.word-item-left-part .word[data-v-75bc939b]{font-size:30px;font-weight:600;background:rgba(0,0,0,.2);line-height:30px;color:#fff;border-radius:50%;text-align:center;padding:20px}.word-item-left-part[data-v-75bc939b]{align-items:center;margin-bottom:20px;display:flex}