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13px}.module-wrapper .module-item{background-size:cover;cursor:pointer;display:inline-block;height:180px;width:460px}.module-wrapper .module-item:first-child{background-image:url(./teach-card-chunk-1-D9vJJYsV.20261019171623.png)}.module-wrapper .module-item:nth-child(2){background-image:url(./teach-card-chunk-2-iparpbmA.20261019171623.png)}.module-wrapper .module-item:nth-child(3){background-image:url(./card-chunk-4-2OZKblui.20261019171623.png)}.module-wrapper .module-item:nth-child(4){background-image:url(./card-chunk-6-BPyXvPXh.20261019171623.png)}.module-wrapper .module-item:nth-child(5){background-image:url(./card-chunk-5-B2Iqq3O0.20261019171623.png)}.module-wrapper .module-item 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.el-tree-node__content:hover{background-color:transparent}.el-popper[data-v-dacaaffd]{min-width:50px!important}.df-body[data-v-dacaaffd]{--question-font-size:16px;-webkit-user-select:text;-moz-user-select:text;user-select:text;--nav-background:#fff;--background-card:#fff;--main-background:#f8f8f8;--nav-color:#333;--question-border:#ececec;font-size:var(--question-font-size);--question-value-color:#333;--mask-background:rgba(0,0,0,.3);--hover-background:#f5f7fa;--tools-background:#f7f7f5;--tools-color:#66647e;--question-danger-bg-color:#fff5f4;--question-success-bg-color:#f0fff3;--question-report-head-bg-color:#f7f7f7;--question-report-head-color:#333;--report-bg-color:#fff;--tree-background:#f9f9f9;--tree-content-background:#f5f7fa;--tree-hover-background:#f0ebff;--material-header-bg:#ede9f3;--material-body-bg:#f7f7f7;--material-btn:#f8f8f8;--rate-toast-bg:#f2f0f8;--rate-toast-color:#646380;--comment-input-bg:#f4f8ff;--comment-input-bg-active:#fff;--comment-dialog-bg-color:#fff;--comment-dialog-color:#333;--comment-dialog-minor-color:#333;--comment-dialog-info-color:#9f9f9f;--comment-dialog-reply-color:#666;--comment-dialog-nick-color:#333;--comment-dialog-more-color:#3e1f70;--comment-border-color:#f9f9f9;--comment-reply-input:#fff;--comment-mine-bg:#f1edff;--comment-mine-color:#7048fa;--comment-reply-input-color:#333;--analysis-attach-download-color:#333;--analysis-attach-download-bg-color:#f4f8ff}.df-body[color-scheme=dark][data-v-dacaaffd]{--hover-background:#32343a;--mask-background:hsla(0,0%,100%,.1);--nav-background:#17191a;--main-background:#17191a;--background-card:#101112;--nav-color:#9d9fa0;--question-border:#3d4043;--question-value-color:#999;--tools-background:#222;--tools-color:#8c8bb4;--question-danger-bg-color:#1d0605;--question-success-bg-color:#0f211b;--question-report-head-bg-color:#51575c;--question-report-head-color:#9d9fa0;--report-bg-color:#303236;--tree-background:#101112;--tree-content-background:#222427;--tree-hover-background:#52585c;--material-header-bg:#51575c;--material-body-bg:#303236;--material-btn:#303235;--rate-toast-bg:#3e454e;--rate-toast-color:#0f1112;--analysis-attach-download-color:#9d9fa0;--analysis-attach-download-bg-color:#121418;--comment-input-bg:#0f1112;--comment-input-bg-active:#0f1112;--comment-dialog-bg-color:#4a4d52;--comment-dialog-color:#dcdcdc;--comment-dialog-nick-color:#949494;--comment-dialog-minor-color:#9f9f9f;--comment-dialog-info-color:#9f9f9f;--comment-dialog-reply-color:#d9d9d9;--comment-dialog-more-color:#9f75e2;--comment-border-color:#646380;--comment-reply-input:#0c0b0e;--comment-reply-input-color:#fff;--comment-mine-bg:#a39fb0;--comment-mine-color:#7048fa}.df-tiku[data-v-dacaaffd]{background-color:#fff;padding-bottom:50px}.df-tiku .df-tiku-container .df-tiku-search--wrap[data-v-dacaaffd]{align-items:center;background-color:#fff;border-radius:20px;display:flex;height:34px;left:50vw;overflow:hidden;padding:0 10px;position:fixed;top:13px;transform:translate(-50%);width:340px;z-index:667}.df-tiku .df-tiku-container .df-tiku-search--wrap[data-v-dacaaffd] .el-input__wrapper{border:none;box-shadow:none}.df-tiku .df-tiku-container .df-tiku-search--wrap .search-icon[data-v-dacaaffd]{cursor:pointer;height:20px;width:20px}.df-tiku .df-tiku-container .df-tiku-search--wrap .el-input__prefix-inner[data-v-dacaaffd]{font-weight:700}.df-tiku .df-tiku-container .df-tiku-search--wrap .df-course-search--btn[data-v-dacaaffd]{margin-left:12px}.df-tiku .header-wrapper[data-v-dacaaffd]{align-items:center;display:flex;justify-content:space-between;padding:20px 0}.df-tiku .header-wrapper .icon[data-v-dacaaffd]{height:30px;width:30px}.df-tiku .header-wrapper .label[data-v-dacaaffd]{padding-left:5px;padding-right:10px}.df-tiku 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#f5f7fa;border-radius:16px;box-sizing:border-box;color:#646380;cursor:pointer;display:flex;font-family:PingFang SC;font-size:16px;font-weight:400;line-height:20px;min-width:120px;padding:5px 20px;text-align:center;transition:all .2s}.df-tiku .subject-wrapper .tch-subject-item .icon[data-v-dacaaffd]{margin-left:5px;transition:all .2s}.df-tiku .subject-wrapper .tch-subject-item.active[data-v-dacaaffd]{background-color:#f0ecff;border:1px solid #7048fa}.df-tiku .subject-wrapper .tch-subject-item.active .icon[data-v-dacaaffd]{transform:rotate(-180deg)}.df-tiku .exercise-history-label[data-v-dacaaffd]{align-items:center;color:#333;display:flex;font-family:PingFang SC;font-size:18px;font-weight:500;justify-content:space-between;margin:20px 0}.df-tiku .exercise-history-label .icon[data-v-dacaaffd]{height:26px;margin-right:5px;width:26px}.df-tiku .exercise-history-label .right a[data-v-dacaaffd]{align-items:center;color:#888;display:inline-flex;font-family:PingFang SC;font-size:16px;font-weight:400}.tch-project-container[data-v-dacaaffd]{padding-left:20px}.tch-project-container .tch-project-wrap[data-v-dacaaffd]{margin:10px 0}.tch-project-container .tch-project-label[data-v-dacaaffd]{color:#000;font-size:16px;margin-right:20px}.tch-project-container .tch-project-item[data-v-dacaaffd]{background-color:#f1f1f1;border:1px solid #f1f1f1;border-radius:20px;color:#666;cursor:pointer;display:inline-block;margin:10px 5px 0;padding:5px 20px}.tch-project-container .tch-project-item.active[data-v-dacaaffd]{background:#e6deff;border:1px solid #7048fa;color:#7048fa}