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.pc-banner.pc-banner10[data-v-2c81ea92]{height:6.25rem;background:url(https://oss.xuetian.cn/knowledge/pc_10_R192a2aeefa1033g.jpg) no-repeat top}.pc-home .pc-banner.pc-banner11[data-v-2c81ea92]{height:17.1875rem;background:url(https://oss.xuetian.cn/knowledge/pc_11_R192a2aeefac034f.jpg) no-repeat top}.pc-home .pc-banner.pc-banner12[data-v-2c81ea92]{height:26.0625rem;background:url(https://oss.xuetian.cn/knowledge/pc_12_R192a2aeef980349.jpg) no-repeat top}.pc-home .pc-banner.pc-banner13[data-v-2c81ea92]{height:16.875rem;background:url(https://oss.xuetian.cn/knowledge/pc_13_R192a2aeefa7033j.jpg) no-repeat top}.pc-home .pc-banner.pc-banner14[data-v-2c81ea92]{height:27.875rem;background:url(https://oss.xuetian.cn/knowledge/pc_14_R192a2aeefae033m.jpg) no-repeat top}.pc-home .pc-banner.pc-banner15[data-v-2c81ea92]{height:10.3125rem;background:url(https://oss.xuetian.cn/knowledge/pc_15_R192a2aeefb5034g.jpg) no-repeat top}.pc-home .pc-banner.pc-banner16[data-v-2c81ea92]{height:36.8125rem;background:url(https://oss.xuetian.cn/knowledge/pc_16_R192ad95074e05pj.jpg) no-repeat top}.pc-home .pc-banner.pc-banner17[data-v-2c81ea92]{height:24rem;background:url(https://oss.xuetian.cn/knowledge/pc_17_R192a2aeefa7034e.jpg) no-repeat top}.pc-home .pc-position[data-v-2c81ea92]{position:relative}.pc-home .pc-position .pc-div[data-v-2c81ea92]{position:absolute;top:.75rem;left:50%;width:52.1875rem;height:33.75rem;margin-left:-26.25rem;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-2c81ea92]{width:15.9375rem;height:19.25rem;margin:0 10px 1.375rem;cursor:pointer;position:relative}.pc-home .pc-position .pc-div>div .pc-book-img[data-v-2c81ea92],.pc-home .pc-position .pc-div>div .pc-book[data-v-2c81ea92]{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:8px}.pc-home .pc-position .pc-div>div 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