.grade-form[data-v-46275844]{width:100%;padding:0 16px;-webkit-box-sizing:border-box;box-sizing:border-box;overflow-x:hidden}[data-v-46275844] .grade-form .el-form-item__label{padding-left:8px}[data-v-46275844] .el-drawer__body{-webkit-box-sizing:border-box;box-sizing:border-box;height:100%;padding:0;overflow-x:hidden}.drawer-content[data-v-46275844]{height:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.drawer-form[data-v-46275844]{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow-y:auto;margin-top:12px}.drawer-footer[data-v-46275844]{-ms-flex-negative:0;flex-shrink:0;padding:16px;background:#fff;border-top:1px solid #ebeef5;text-align:center}[data-v-46275844] .el-drawer__container{position:fixed!important}.chapter-form[data-v-46275844]{margin-bottom:0;padding:10px 12px 0;border:1px solid #ebeef5;border-radius:4px;background:#fafafa}.chapter-form[data-v-46275844] .el-form-item{margin-bottom:14px}.chapter-form[data-v-46275844] .chapter-sort-item .el-input-number,.chapter-form[data-v-46275844] .chapter-title-item .el-input{width:100%}.video-uploader[data-v-46275844]{width:100%;display:block}.chapter-video-preview[data-v-46275844]{width:100%;height:auto;max-height:200px}.video-placeholder[data-v-46275844]{width:100%;height:200px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;border:1px dashed #d3d3d3;border-radius:4px;color:#999;text-align:center}.preview-rich-text[data-v-46275844]{min-height:260px;max-height:520px;overflow-y:auto;padding:12px;border:1px solid #ebeef5;border-radius:4px;background:#fff}.preview-video-player[data-v-46275844]{width:100%;max-height:520px;background:#000}.preview-empty[data-v-46275844]{min-height:200px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;color:#909399}.preview-link-btn[data-v-46275844]{color:#409eff;font-weight:500;text-decoration:underline;-webkit-text-decoration-style:dotted;text-decoration-style:dotted;text-underline-offset:2px}.preview-link-btn[data-v-46275844]:focus,.preview-link-btn[data-v-46275844]:hover{color:#66b1ff}