.home[data-v-5f6e3b88]{max-width:46.875rem;margin:0 auto;position:relative}.home img[data-v-5f6e3b88]{width:100%;height:auto}.home .mobile-position[data-v-5f6e3b88]{position:relative}.home .mobile-position .mobile-course[data-v-5f6e3b88]{position:absolute;top:1.25rem;left:1.5625rem;width:20.3125rem;height:9.375rem;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between}.home .mobile-position .mobile-course div[data-v-5f6e3b88]{width:9.6875rem;height:9.375rem;margin-bottom:.9375rem}.pc-home[data-v-e708ffae]{position:relative}.pc-home .pc-position[data-v-e708ffae]{position:absolute;top:46.875rem;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);text-align:center}.pc-home .pc-position .course-free[data-v-e708ffae]{display:block;width:57.5rem;cursor:pointer;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap}.pc-home .pc-position .course-free div[data-v-e708ffae]{width:17.5rem;height:18.75rem;margin:0 10px 1.25rem}.pc-banner[data-v-e708ffae]{width:100%;min-width:46.875rem;margin:0 auto}.pc-banner.pc-banner01[data-v-e708ffae]{height:33.375rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18eb66d99fd02ji_pc_01.jpg) no-repeat top}.pc-banner.pc-banner02[data-v-e708ffae]{height:11.25rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18eb66d99f102n7_pc_02.jpg) no-repeat top}.pc-banner.pc-banner03[data-v-e708ffae]{height:21.375rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18eb66d99fa02lq_pc_03.jpg) no-repeat top}.pc-banner.pc-banner04[data-v-e708ffae]{height:27.375rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18eb66d99e302n6_pc_04.jpg) no-repeat top}.pc-banner.pc-banner05[data-v-e708ffae]{height:41.875rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18eb66d99eb02jh_pc_05.jpg) no-repeat top}.pc-banner.pc-banner06[data-v-e708ffae]{height:16.75rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18eb66d99d602jg_pc_06.jpg) no-repeat top}