.exam_img1,.exam_img2,.exam_img3{width:684px;height:auto}.opt_div_box{background:url(./ai_icon1.Dsn5f9ki.png) 50%/100% 100% no-repeat;width:684px;height:371px;position:relative}.opt_div_box .opt_video{width:100%;height:100%!important}.opt_div_box .video_content{background:#231f20;width:470px;height:320px;position:absolute;top:2px;bottom:0;left:72px}.exam_title_h3{color:#fff;margin-bottom:16px;font-size:26px}.h3_desc{color:#ffffffe6;margin-bottom:16px;font-size:20px;font-weight:700}.intelligent_exam_li{color:#fff;align-items:flex-start;margin-bottom:24px;display:flex}.intelligent_exam_li .exam_ul_left{flex-shrink:0;align-items:flex-start;width:120px;display:flex}.intelligent_exam_li .exam_ul_icon{flex-shrink:0;width:19px;height:19px;margin-top:2px;margin-right:12px}.intelligent_exam_li .exam_right_text{width:calc(100% - 240px);margin:0}.engine_box{background:url(./engine_icon_bg.COJTjR3U.png) 50%/cover no-repeat;width:100%;min-width:1300px}.advantage_box{justify-content:space-between;width:100%;display:flex}.advantage_content{padding-bottom:40px}
