.exam_topic{background-color:#fff;margin-top:16px;padding:16px;width:100%}.exam_topic .exam_topic_content{background:#5d74f0;margin-top:15px;width:100%}.exam_topic .exam_topic_content ul{display:flex}.exam_topic .exam_topic_content ul li{align-items:center;background-size:cover;color:#fff;display:flex;font-weight:400;height:66px;justify-content:center;list-style:none;text-align:center;width:50%}.exam_topic .exam_topic_content .tk_1 ul li:first-child{background-image:url(./tkback1.CQcIbsHm.png)}.exam_topic .exam_topic_content .tk_1 ul li:last-child{background-image:url(./tkback2.D4Ze9tRm.png)}.exam_topic .exam_topic_content .tk_2 ul li:first-child{background-image:url(./tkback2.D4Ze9tRm.png)}.exam_topic .exam_topic_content .tk_2 ul li:last-child{background-image:url(./tkback1.CQcIbsHm.png)}.exam_topic .exam_topic_content .tk_3{padding:17px 10px}.exam_topic_image{border-radius:8px;height:254px;margin-top:16px;overflow:hidden;position:relative}.exam_topic_image .ztbxcx_img{height:100%;width:100%}.exam_topic_image .ztbxcx_img_ewmicon{bottom:30px;height:90px;left:24px;position:absolute;width:93px}