.books[data-v-179a82a8]{height:100%;margin:0 auto;overflow-x:hidden;background:#f6f6f6}.books-nav[data-v-179a82a8]{height:100%;width:200px;background-color:#fff;position:fixed;text-align:center;z-index:9}.books-nav .reading-back[data-v-179a82a8]{width:16px;height:28px;position:absolute;top:33px;left:50px;cursor:pointer}.nav[data-v-179a82a8]{display:inline-block;list-style:none;vertical-align:middle;margin-top:20px}.reference[data-v-179a82a8]{width:160px;height:160px;cursor:pointer;float:right}.reference img[data-v-179a82a8]{width:100%;height:auto}.nav-btn[data-v-179a82a8]{display:inline-block;margin:0 20px;text-align:center;font-size:16px;color:#000;cursor:pointer}.nav-btn a[data-v-179a82a8]{color:#9d9292;cursor:pointer;font-size:16px;display:block;width:100%}.nav-btn.active[data-v-179a82a8],.nav-btn.active a[data-v-179a82a8],.nav-btn:hover a[data-v-179a82a8],.nav-btn[data-v-179a82a8]:hover{color:#ec4c54}.ant-dropdown[data-v-179a82a8]{width:300px;background-color:#f1f0f0;border-radius:8px}.menu[data-v-179a82a8]{top:180px;padding:20px}.books-sider[data-v-179a82a8]{width:200px;height:calc(100vh - 140px);overflow-y:scroll;overflow-x:hidden;background:#fff;padding-bottom:20px;position:fixed;border-radius:12px}.books-sider .books-title[data-v-179a82a8]{background:#fff;color:#ec4c54;text-align:center;font-size:18px;padding:20px 15px 0 15px;border-top-right-radius:12px;border-top-left-radius:12px}.books-sider .books-title .books-name[data-v-179a82a8]{color:#ec4c54;display:inline-block;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;float:left}.books-sider .books-title .trigger[data-v-179a82a8]{float:right;width:40px;height:40px;margin-top:3px}.books-sider .books-menu .books-menu-item[data-v-179a82a8]{height:50px;padding-top:5px}.books-sider .books-menu .books-menu-item .icon[data-v-179a82a8]{height:25px;padding:0 9px 0 0;margin-top:8px}.books-sider .books-menu .books-menu-item .text[data-v-179a82a8]{font-size:18px;position:absolute}.books-content[data-v-179a82a8]{overflow:initial;padding-left:220px}.books-router[data-v-179a82a8]{overflow:initial}.unit[data-v-179a82a8]{font-size:20px;color:#ec4c54;line-height:35px;cursor:default}.unit.ant-dropdown-menu-item[data-v-179a82a8]:hover{background-color:#fff!important}[data-v-179a82a8] .ant-dropdown-menu-submenu-title{font-size:18px;line-height:30px}[data-v-179a82a8] .ant-layout{background:#fff}.lesson[data-v-179a82a8]{font-size:18px;line-height:30px}.master[data-v-179a82a8]{position:absolute;background-color:rgba(0,0,0,.25);top:180px;left:0;width:100%;height:100%}[data-v-179a82a8] .ant-popover .ant-popover-placement-bottom{width:100%}