.user-help[data-v-b537a3d4]{position:fixed;right:0;bottom:20vh;width:50px;min-height:50px;border-radius:5px 0 0 5px;padding:5px;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}.help-item[data-v-b537a3d4]{cursor:pointer;margin-top:10px;text-align:center}.help-item-name[data-v-b537a3d4]{font-size:14px;color:#fff}.help-item-logo[data-v-b537a3d4]{width:90%;height:auto}.qr-code[data-v-b537a3d4]{width:150px;height:150px;margin:0 auto}.qr-code img[data-v-b537a3d4]{width:100%;height:100%}.title[data-v-61a3aa27]{color:#409eff}.filter-container[data-v-61a3aa27]{display:flex;flex-direction:column;gap:12px;padding:10px}.filter-group[data-v-61a3aa27]{display:flex;align-items:center;gap:8px}.filter-label[data-v-61a3aa27]{font-weight:700;font-size:18px;padding:8px 0}.filter-items[data-v-61a3aa27]{display:flex;flex-wrap:wrap;gap:8px}.filter-item[data-v-61a3aa27]{padding:6px 12px;border:1px solid #409eff;border-radius:5px;cursor:pointer;color:#409eff;transition:all .3s ease;font-size:18px}.filter-item.selected[data-v-61a3aa27]{background-color:#409eff;color:#fff}.book-item-all[data-v-2e0b89e8]{padding:5px 1px;background:#1989fa;border-radius:10px;margin-left:20px;margin-top:10px;height:250px}.book-item-all[data-v-2e0b89e8]:hover{border-radius:10px;cursor:pointer}.book-item[data-v-2e0b89e8]{border-bottom:1px solid #eee;background:#fff;padding-top:20px;height:230px;border-radius:10px}.book-item[data-v-2e0b89e8]:hover{background:#f4faff}.book-cover[data-v-2e0b89e8]{width:85%;height:auto;max-height:220px;margin-right:20px;border-radius:5px;border:1px solid #eee;cursor:pointer;margin-left:10px}.book-details[data-v-2e0b89e8]{height:250px;width:95%}.book-title[data-v-2e0b89e8]{margin:0 0 10px 0;font-size:16px;font-weight:700;cursor:pointer}.text-ellipsis-2[data-v-2e0b89e8]{width:100%;//min-width:200px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;text-overflow:ellipsis;line-height:20px;height:60px;word-break:break-all}.tags[data-v-2e0b89e8]{display:flex;gap:5px;margin-top:5px}.tag[data-v-2e0b89e8]{background-color:#1989fa;color:#fff;padding:2px 6px;border-radius:4px;font-size:12px}.button-group[data-v-2e0b89e8]{margin-top:10px;display:flex;gap:10px;justify-content:flex-end}.filter-container[data-v-20d3cd1a]{//display:flex;//flex-direction:column;//gap:12px;//padding:10px}.filter-group[data-v-20d3cd1a]{width:100%}.filter-label[data-v-20d3cd1a]{font-weight:700;font-size:18px;padding:8px 0;min-width:60px;display:inline-block;text-align:left;margin-top:10px}.filter-items[data-v-20d3cd1a]{text-align:left;display:inline-block;padding:8px;margin-left:10px}.filter-item[data-v-20d3cd1a]{padding:6px 12px;border:1px solid #409eff;border-radius:5px;cursor:pointer;color:#409eff;transition:all .3s ease;font-size:18px;display:inline-block;margin-left:10px;margin-top:5px}.filter-item.selected[data-v-20d3cd1a]{background-color:#409eff;color:#fff}.book-item[data-v-2f8c2f20]{display:flex;align-items:flex-start;border-bottom:1px solid #eee;padding-bottom:15px;margin-bottom:15px;margin-top:15px}.book-cover[data-v-2f8c2f20]{width:150px;height:200px;-o-object-fit:cover;object-fit:cover;margin-right:20px;border-radius:5px;border:1px solid #eee;cursor:pointer}.book-details[data-v-2f8c2f20]{//flex:1;width:100%}.book-title[data-v-2f8c2f20]{margin:0 0 10px 0;font-size:16px;font-weight:700;cursor:pointer}.tags[data-v-2f8c2f20]{display:flex;gap:5px;margin-top:5px}.tag[data-v-2f8c2f20]{background-color:#ade3ff;padding:2px 6px;border-radius:4px;font-size:12px}.button-group[data-v-2f8c2f20]{margin-top:10px;display:flex;gap:10px;justify-content:flex-end}.top-nav[data-v-73798219]{width:100%;height:100px;background-color:#409eff}.top[data-v-73798219]{width:80%;margin:0 auto;height:100px;display:flex;justify-content:left;align-items:center;//box-shadow:0 2px 12px 0 rgba(0,0,0,.1)}.homework-logo[data-v-73798219]{height:90px;width:auto}.login[data-v-73798219]{width:100%;text-align:right;margin-right:50px;color:#fff;cursor:pointer}.top-nav[data-v-2ef8551e]{width:100%;height:4rem;background-color:#409eff;text-align:center}.homework-logo[data-v-2ef8551e]{height:3rem;width:auto;margin-top:.5rem}.home[data-v-d02e03e0]{padding:0;margin:0}.filter-btn[data-v-d02e03e0]{width:2.5rem;height:2.5rem;border-radius:50%;background:#409eff;color:#fff;font-weight:bolder;font-size:1.5rem;text-align:center;line-height:3rem;position:fixed;right:.1rem;top:5rem}.filter-dialog[data-v-d02e03e0]{width:80%;height:100%;position:fixed;top:0;left:0;background:#fff;z-index:999;padding:.5rem;box-sizing:border-box;box-shadow:.1rem .1rem .2rem rgba(0,0,0,.3);overflow-y:auto}.to-top[data-v-d02e03e0]{height:100%;width:100%;background-color:var(--el-bg-color-overlay);box-shadow:var(--el-box-shadow-lighter);text-align:center;line-height:40px;color:#1989fa;border-radius:50%;padding:5px}.get-more[data-v-d02e03e0]{text-align:center;margin-bottom:3rem;width:50%}.total-info[data-v-d02e03e0]{color:#1989fa;text-align:center}.menu-item[data-v-2ae07540]{font-size:18px;font-weight:700;color:#fff}.menu-item-login[data-v-2ae07540]{font-size:16px;color:#fff}.content[data-v-2ae07540]{width:70%;background:#eee;margin:0 auto;margin-top:20px;border-radius:5px}.content-item[data-v-2ae07540]{max-height:38vh;background:#fff;border-radius:5px;padding:10px;width:80%;margin:10px auto;box-sizing:border-box;cursor:pointer;text-align:center;transition:transform .3s ease}.content-item[data-v-2ae07540]:hover{box-shadow:0 5px 12px 0 rgba(0,0,0,.1);background:#e8f6ff;transform:scale(1.03)}.content-item-title[data-v-2ae07540]{font-size:20px;font-weight:700;color:#409eff;text-align:center;margin-bottom:10px}.content-item-logo[data-v-2ae07540]{width:55%;height:auto;margin:0 auto}.reading-qr-code[data-v-2ae07540]{width:50%;height:50%;background:#fff;padding:10px;box-sizing:border-box;text-align:center}.reading-qr-code img[data-v-2ae07540]{height:200px;width:200px}.footer[data-v-2ae07540]{height:30px;line-height:30px;background:#555;position:fixed;bottom:0;width:100%;color:#eee;text-align:center;font-size:14px}.menu-sub-item[data-v-2ae07540]{padding:10px;font-size:16px;font-weight:700;color:#fff}