.topic-single-container[data-v-0c1830de]{position:relative;width:100%;height:100%;min-height:20px;font-size:14px}.topic-single-container .topic-block[data-v-0c1830de]{padding:20px 10px 0 10px;overflow-y:scroll;overflow-x:hidden;width:100%;height:100%;box-sizing:border-box}.topic-single-container .topic-block .block[data-v-0c1830de]{position:relative;border-radius:10px;box-shadow:0 0 7px #ebebec;padding:40px 10px 20px 10px;margin-bottom:20px;overflow-x:auto}.topic-single-container .topic-block .block .tag[data-v-0c1830de]{position:absolute;top:0;left:0;background-color:#90c909;padding:4px 20px;color:#fff;border-bottom-right-radius:10px;border-top-left-radius:10px}.topic-single-container .topic-block .block .content[data-v-0c1830de]{color:#666}.topic-single-container .topic-block .block .content .student-answer-item[data-v-0c1830de]{display:flex;align-items:center}.topic-single-container .topic-block .block .content .student-answer-item[data-v-0c1830de]:not(:last-child){margin-bottom:15px}.topic-single-container .topic-block .block .content .answer-btn[data-v-0c1830de]{width:34px;height:34px;font-size:20px;border-radius:50%;border:1px solid;border-color:#a6a6a6;color:#a6a6a6;box-sizing:border-box;display:flex;align-items:center;justify-content:center}.topic-single-container .topic-block .block .content .answer-btn+.answer-btn[data-v-0c1830de]{margin-left:20px}.topic-single-container .topic-block .block .content .right-btn[data-v-0c1830de]{background-color:#4690ff;border-color:#4690ff!important;color:#fff!important}.topic-single-container .topic-block .block .content .error-btn[data-v-0c1830de]{background-color:#ff7575;border-color:#ff7575!important;color:#fff!important}.topic-single-container .topic-block .block .content .video[data-v-0c1830de]{background-color:#000;color:#fff;position:relative;width:100%;height:200px}.topic-single-container .topic-block .block .content .video .icon[data-v-0c1830de]{width:50px;height:50px;position:absolute;top:50%;left:50%;margin-top:-25px;margin-left:-25px;opacity:.7}.topic-single-container .topic-block .block .section1[data-v-0c1830de]{background-color:#8dbd4d}.topic-single-container .topic-block .block .section2[data-v-0c1830de]{background-color:#fd7a72}.topic-single-container .topic-block .block .section3[data-v-0c1830de]{background-color:#5686c6}.topic-single-container .topic-block .block .section4[data-v-0c1830de]{background-color:#f5b436}.topic-single-container .topic-block .block .section5[data-v-0c1830de]{background-color:#c46fff}.topic-single-container .topic-block .block .section6[data-v-0c1830de]{background-color:#34b7af}.topic-single-container .topic-block .block .section7[data-v-0c1830de]{background-color:#f07043}.topic-single-container .topic-block .trunk[data-v-0c1830de]{padding-top:10px;color:#666}.topic-single-container .topic-block .trunk img[data-v-0c1830de]{-o-object-fit:contain;object-fit:contain;border:1px solid #b040ff}.topic-single-container .topic-block .trunk[data-v-0c1830de] p{margin:0;padding:0}.topic-single-container .topic-block .content .item[data-v-0c1830de]{display:flex}.topic-single-container .topic-block .content .item span[data-v-0c1830de]{margin-right:4px}.topic-single-container .topic-block .content .item img[data-v-0c1830de]{-o-object-fit:contain;object-fit:contain;border:1px solid #b040ff}.topic-single-container .topic-block .level2[data-v-0c1830de]{padding-left:10px}.topic-single-container .topic-block .level3[data-v-0c1830de]{padding-left:20px}.topic-single-container .topic-block .level4[data-v-0c1830de]{padding-left:30px}.topic-single-container .loading[data-v-0c1830de]{display:flex;position:absolute;top:0;left:0;width:100vw;height:100vh;background-color:rgba(0,0,0,.8);color:#fff;justify-content:center;align-items:center;overflow:hidden}