[data-v-21ff7f6a]:export{menu-color:hsla(0,0%,100%,.95);menu-color-active:hsla(0,0%,100%,.95);menu-background:#282c34;column-second-menu-background:#fff}.book_head[data-v-21ff7f6a]{display:flex;justify-content:center;flex-wrap:wrap;width:100%;margin-bottom:20px}.book_head img[data-v-21ff7f6a]{width:40px;height:40px;margin-right:10px}.book_head .item[data-v-21ff7f6a]{display:flex;align-items:center;justify-content:center;margin-right:30px;width:220px;height:100px;border-radius:10px;border:2px solid #eceeef;font-size:14px;color:#303133}.book_head .txt[data-v-21ff7f6a]{margin-top:8px;font-size:18px}