.moblie img[data-v-3d664a47]{width:100%}.moblie .mobile-position[data-v-3d664a47]{position:relative}.moblie .mobile-position .free[data-v-3d664a47]{position:absolute;top:6px;left:1.5rem;width:20.5625rem;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}.moblie .mobile-position .free .course[data-v-3d664a47]{width:10rem;height:12.0625rem;margin-bottom:10px;position:relative}.moblie .mobile-position .free .course .pc-book[data-v-3d664a47]{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:6px}.moblie .mobile-position .free .course .pc-book-img[data-v-3d664a47]{position:absolute;top:0;left:0;width:100%;height:100%;background:#201e1e;border-radius:8px;opacity:.75;text-align:center;padding-top:2.5rem}.moblie .mobile-position .free .course .pc-book-img img[data-v-3d664a47]{width:6.25rem}.moblie .mobile-position .free.div1[data-v-3d664a47]{margin-top:1px;margin-bottom:7px}.moblie .mobile-position .free.div1 .course[data-v-3d664a47]{width:10rem;height:9.6875rem}.moblie .mobile-position .free.div2[data-v-3d664a47]{top:3px;margin-top:0}.moblie .mobile-position .free.div2 .course[data-v-3d664a47]{width:10rem;height:9.4375rem;margin-bottom:11px}.pc-home .pc-banner[data-v-49217f3d]{width:100%;min-width:62.5rem;margin:0 auto;background-position:top;background-repeat:no-repeat}.pc-home .pc-banner.pc-banner01[data-v-49217f3d]{height:38rem;background:url(https://oss.xuetian.cn/knowledge/pc_01_R193ce5dfc4e0aol.png) no-repeat top}.pc-home .pc-banner.pc-banner02[data-v-49217f3d]{height:11.1875rem;background:url(https://oss.xuetian.cn/knowledge/pc_02_R193ce5dfc4e0aom.png) no-repeat top}.pc-home .pc-banner.pc-banner03[data-v-49217f3d]{height:20.75rem;background:url(https://oss.xuetian.cn/knowledge/pc_03_R193ce5dfc490aoi.png) no-repeat top}.pc-home .pc-banner.pc-banner04[data-v-49217f3d]{height:20.375rem;background:url(https://oss.xuetian.cn/knowledge/pc_04_R193ce5dfc4e0afz.png) no-repeat top}.pc-home .pc-banner.pc-banner05[data-v-49217f3d]{height:24.5rem;background:url(https://oss.xuetian.cn/knowledge/pc_05_R193ce5dfc4c0aok.png) no-repeat top}.pc-home .pc-banner.pc-banner06[data-v-49217f3d]{height:10.75rem;background:url(https://oss.xuetian.cn/knowledge/pc_06_R193ce5dfc480aoh.png) no-repeat top}.pc-home .pc-banner.pc-banner07[data-v-49217f3d]{height:16.625rem;background:url(https://oss.xuetian.cn/knowledge/pc_07_R193ce5dfc490afv.png) no-repeat top}.pc-home .pc-banner.pc-banner08[data-v-49217f3d]{height:20.8125rem;background:url(https://oss.xuetian.cn/knowledge/pc_08_R193ce5dfc4c0afx.png) no-repeat top}.pc-home .pc-banner.pc-banner09[data-v-49217f3d]{height:11rem;background:url(https://oss.xuetian.cn/knowledge/pc_09_R193cd766f8f09dt.png) no-repeat top}.pc-home .pc-banner.pc-banner10[data-v-49217f3d]{height:17.1875rem;background:url(https://oss.xuetian.cn/knowledge/pc_10_R193ce5dfc4e0afy.png) no-repeat top}.pc-home .pc-banner.pc-banner11[data-v-49217f3d]{height:21.3125rem;background:url(https://oss.xuetian.cn/knowledge/pc_11_R193ce5dfc490afu.png) no-repeat top}.pc-home .pc-banner.pc-banner12[data-v-49217f3d]{height:15.3125rem;background:url(https://oss.xuetian.cn/knowledge/pc_12_R193ce5dfc490aoj.png) no-repeat top}.pc-home .pc-position[data-v-49217f3d]{position:relative}.pc-home .pc-position .pc-div[data-v-49217f3d]{position:absolute;top:1.1875rem;left:50%;width:59.6875rem;height:33.75rem;margin-left:-27.625rem;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap}.pc-home .pc-position .pc-div>div[data-v-49217f3d]{width:15.9375rem;height:19.25rem;margin:0 2.5rem .8125rem 0;cursor:pointer;position:relative}.pc-home .pc-position .pc-div>div .pc-book-img[data-v-49217f3d],.pc-home .pc-position .pc-div>div .pc-book[data-v-49217f3d]{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:8px}.pc-home .pc-position .pc-div>div .pc-book-img[data-v-49217f3d]{background:#201e1e;opacity:.75;text-align:center;padding-top:4.5rem}.pc-home .pc-position .pc-div>div .pc-book-img img[data-v-49217f3d]{width:10.9375rem}.pc-home .pc-position .pc-div.pc-div1[data-v-49217f3d]{top:10px}.pc-home .pc-position .pc-div.pc-div1>div[data-v-49217f3d]{height:16.75rem;height:15.1875rem;margin-bottom:1rem}.pc-home .pc-position .pc-div.pc-div2>div[data-v-49217f3d]{height:15.625rem}