.home[data-v-6f37832b]{max-width:46.875rem;margin:0 auto;position:relative}.home img[data-v-6f37832b]{width:100%;height:auto}.home .mobile-position[data-v-6f37832b]{position:relative}.home .mobile-position .mobile-course[data-v-6f37832b]{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-6f37832b]{width:9.6875rem;height:9.375rem;margin-bottom:.9375rem}.pc-home[data-v-f12065f0]{position:relative}.pc-home .pc-position[data-v-f12065f0]{position:absolute;top:49.375rem;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);text-align:center}.pc-home .pc-position .course-free[data-v-f12065f0]{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-f12065f0]{width:17.5rem;height:18.75rem;margin:0 10px 1.25rem}.pc-banner[data-v-f12065f0]{width:100%;min-width:46.875rem;margin:0 auto}.pc-banner.pc-banner01[data-v-f12065f0]{height:41.75rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18f236d809502om_pc_01.png) no-repeat top}.pc-banner.pc-banner02[data-v-f12065f0]{height:7.5625rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18f236d7a9702ok_pc_02.jpg) no-repeat top}.pc-banner.pc-banner03[data-v-f12065f0]{height:19.9375rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18f236d7c9802rx_pc_03.jpg) no-repeat top}.pc-banner.pc-banner04[data-v-f12065f0]{height:23.5625rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18f236d7c9802nh_pc_04.jpg) no-repeat top}.pc-banner.pc-banner05[data-v-f12065f0]{height:29.625rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18f236d7c9502sr_pc_05.jpg) no-repeat top}.pc-banner.pc-banner06[data-v-f12065f0]{height:14.4375rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R18f236d791a02oi_pc_06.jpg) no-repeat top}