.home[data-v-54d9faa1]{max-width:46.875rem;margin:0 auto;position:relative}.home img[data-v-54d9faa1]{width:100%;height:auto}.home .mobile-position[data-v-54d9faa1]{position:relative}.home .mobile-position .mobile-course[data-v-54d9faa1]{position:absolute;top:1rem;left:2.1875rem;width:19.125rem;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-54d9faa1]{width:9.0625rem;height:9.375rem;margin-bottom:1rem}.pc-home[data-v-0645aea6]{position:relative}.pc-home .pc-position[data-v-0645aea6]{position:absolute;top:60rem;left:50%;-webkit-transform:translateX(-50%);-ms-transform:translateX(-50%);transform:translateX(-50%);text-align:center}.pc-home .pc-position .course-free[data-v-0645aea6]{display:block;width:55rem;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-0645aea6]{width:16.25rem;height:16.5625rem;margin:0 10px 1.875rem}.pc-banner[data-v-0645aea6]{width:100%;min-width:46.875rem;margin:0 auto}.pc-banner.pc-banner01[data-v-0645aea6]{height:46.125rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e235900qs_pc_01.jpg) no-repeat top}.pc-banner.pc-banner01-1[data-v-0645aea6]{height:46.125rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R191a24c7b2600ez_pc_01.jpg) no-repeat top}.pc-banner.pc-banner02[data-v-0645aea6]{height:12.1875rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e1d2500or_pc_02.jpg) no-repeat top}.pc-banner.pc-banner03[data-v-0645aea6]{height:19.3125rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e205e00qm_pc_03.jpg) no-repeat top}.pc-banner.pc-banner04[data-v-0645aea6]{height:18rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e204e00qq_pc_04.jpg) no-repeat top}.pc-banner.pc-banner05[data-v-0645aea6]{height:18.9375rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e1f0f00ot_pc_05.jpg) no-repeat top}.pc-banner.pc-banner06[data-v-0645aea6]{height:23.25rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e205000jv_pc_06.jpg) no-repeat top;position:relative}.pc-banner.pc-banner07[data-v-0645aea6]{height:17.8125rem;background:url(https://oss.xuetian.cn/multimedia_knowledge/R1910b7e1dd500iu_pc_07.jpg) no-repeat top}