.Fx {display: flex;}.FW {width: 100%;}.FXCl {flex-direction: column;display: flex;}.FxWr {flex-wrap: wrap;}.FxAC {align-items: center;}.FxJC {justify-content: center;}.FxJE {justify-content: flex-end;}.FxJAr {justify-content: space-around;}.FxJBw {justify-content: space-between;}.Ctr {max-width: 1280px;width: 100%;margin: 8px auto;}.CtrF {max-width: 100%;margin: 8px auto;}.mq-brand-part1 {color: #7f0000;}.mq-brand-part2 {color: #005D8F;}.mq-notice {background-color: #ffede8;text-align: center;}.BrcC {text-overflow: ellipsis;white-space: nowrap;overflow: hidden;}.BrcC a {text-decoration: underline;}.Bgnone {background-color: #ffffff;}.Bgarithmetic {background-color: #fce4ec;}.Bgalgebra {background-color: #e3f2fd;}.Bggeometry {background-color: #e8f5e9;}.Bgstatistics {background-color: #efebe9;}.Bgknowledge {background-color: #f3e5f5;}.Bgthings-to-remember {background-color: #fff3e0;}.Bgtrigonometry {background-color: #fffde7;}.Brnone {border: 3px solid #c5c5c5;}.Brarithmetic {border: 3px solid #fce4ec;}.Bralgebra {border: 3px solid #e3f2fd;}.Brgeometry {border: 3px solid #e8f5e9;}.Brstatistics {border: 3px solid #efebe9;}.Brknowledge {border: 3px solid #f3e5f5;}.Brthings-to-remember {border: 3px solid #fff3e0;}.Brtrigonometry {border: 3px solid #fffde7;}.p-0 {padding: 0;}.p-1 {padding: 4px;}.p-2 {padding: 8px;}.p-3 {padding: 12px;}.p-4 {padding: 16px;}.p-5 {padding: 20px;}.p-6 {padding: 24px;}.p-7 {padding: 28px;}.p-8 {padding: 32px;}.p-t-0 {padding-top: 0;}.p-t-1 {padding-top: 4px;}.p-t-2 {padding-top: 8px;}.p-t-3 {padding-top: 12px;}.p-t-4 {padding-top: 16px;}.p-t-5 {padding-top: 20px;}.p-t-6 {padding-top: 24px;}.p-t-7 {padding-top: 28px;}.p-t-8 {padding-top: 32px;}.p-b-0 {padding-bottom: 0;}.p-b-1 {padding-bottom: 4px;}.p-b-2 {padding-bottom: 8px;}.p-b-3 {padding-bottom: 12px;}.p-b-4 {padding-bottom: 16px;}.p-b-5 {padding-bottom: 20px;}.p-b-6 {padding-bottom: 24px;}.p-b-7 {padding-bottom: 28px;}.p-b-8 {padding-bottom: 32px;}.p-l-0 {padding-left: 0;}.p-l-1 {padding-left: 4px;}.p-l-2 {padding-left: 8px;}.p-l-3 {padding-left: 12px;}.p-l-4 {padding-left: 16px;}.p-l-5 {padding-left: 20px;}.p-l-6 {padding-left: 24px;}.p-l-7 {padding-left: 28px;}.p-l-8 {padding-left: 32px;}.p-r-0 {padding-right: 0;}.p-r-1 {padding-right: 4px;}.p-r-2 {padding-right: 8px;}.p-r-3 {padding-right: 12px;}.p-r-4 {padding-right: 16px;}.p-r-5 {padding-right: 20px;}.p-r-6 {padding-right: 24px;}.p-r-7 {padding-right: 28px;}.p-r-8 {padding-right: 32px;}.p-x-1 {padding-left: 4px;padding-right: 4px;}.p-x-2 {padding-left: 8px;padding-right: 8px;}.p-x-3 {padding-left: 12px;padding-right: 12px;}.p-x-4 {padding-left: 16px;padding-right: 16px;}.p-y-1 {padding-top: 4px;padding-bottom: 4px;}.p-y-2 {padding-top: 8px;padding-bottom: 8px;}.p-y-3 {padding-top: 12px;padding-bottom: 12px;}.p-y-4 {padding-top: 16px;padding-bottom: 16px;}.m-0 {margin: 0;}.m-1 {margin: 4px;}.m-2 {margin: 8px;}.m-3 {margin: 12px;}.m-4 {margin: 16px;}.m-5 {margin: 20px;}.m-6 {margin: 24px;}.m-7 {margin: 28px;}.m-8 {margin: 32px;}.m-t-0 {margin-top: 0;}.m-t-1 {margin-top: 4px;}.m-t-2 {margin-top: 8px;}.m-t-3 {margin-top: 12px;}.m-t-4 {margin-top: 16px;}.m-t-5 {margin-top: 20px;}.m-t-6 {margin-top: 24px;}.m-t-7 {margin-top: 28px;}.m-t-8 {margin-top: 32px;}.m-b-0 {margin-bottom: 0;}.m-b-1 {margin-bottom: 4px;}.m-b-2 {margin-bottom: 8px;}.m-b-3 {margin-bottom: 12px;}.m-b-4 {margin-bottom: 16px;}.m-b-5 {margin-bottom: 20px;}.m-b-6 {margin-bottom: 24px;}.m-b-7 {margin-bottom: 28px;}.m-b-8 {margin-bottom: 32px;}.m-l-0 {margin-left: 0;}.m-l-1 {margin-left: 4px;}.m-l-2 {margin-left: 8px;}.m-l-3 {margin-left: 12px;}.m-l-4 {margin-left: 16px;}.m-l-5 {margin-left: 20px;}.m-l-6 {margin-left: 24px;}.m-l-7 {margin-left: 28px;}.m-l-8 {margin-left: 32px;}.m-r-0 {margin-right: 0;}.m-r-1 {margin-right: 4px;}.m-r-2 {margin-right: 8px;}.m-r-3 {margin-right: 12px;}.m-r-4 {margin-right: 16px;}.m-r-5 {margin-right: 20px;}.m-r-6 {margin-right: 24px;}.m-r-7 {margin-right: 28px;}.m-r-8 {margin-right: 32px;}.m-x-1 {margin-left: 4px;margin-right: 4px;}.m-x-2 {margin-left: 8px;margin-right: 8px;}.m-x-3 {margin-left: 12px;margin-right: 12px;}.m-x-4 {margin-left: 16px;margin-right: 16px;}.m-y-1 {margin-top: 4px;margin-bottom: 4px;}.m-y-2 {margin-top: 8px;margin-bottom: 8px;}.m-y-3 {margin-top: 12px;margin-bottom: 12px;}.m-y-4 {margin-top: 16px;margin-bottom: 16px;}.gap-0 {gap: 0;}.gap-1 {gap: 4px;}.gap-2 {gap: 8px;}.gap-3 {gap: 12px;}.gap-4 {gap: 16px;}.gap-5 {gap: 20px;}.gap-6 {gap: 24px;}.gap-7 {gap: 28px;}.gap-8 {gap: 32px;}.NvMnL1 {list-style: none;}.NvMnL1 > li {position: relative;}.NvMnL1 > li:hover {background: #7f0000;color: white;}.NvMnL1 > li:hover > a {color: white;}.NvMnL1 li:hover > ul {display: inline;}.NvMnL1 a {line-height: 30px;}.NvMnL1 a:hover {color: white;}.NvMnL2 {position: absolute;top: 30px;left: 0;min-width: 200px;display: none;}.NvMnL2 > li {position: relative;height: 40px;background: #e9f1fe;border-bottom: solid 1px #7f0000;line-height: 2.5;}.NvMnL2 > li:hover {background: #7f0000;cursor: pointer;color: white;}.NvMnL2 > li:hover > a {color: white;}.NvMnL3 {position: absolute;top: 0;right: -250px;min-width: 250px;display: none;}.NvMnL3 > li {height: 40px;background: #e9f1fe;border-bottom: solid 1px #7f0000;line-height: 2.5;}.NvMnL3 > li:hover {background: #7f0000;}.NvMnL3 > li:hover > a {color: white;}.cp-button-move-to-top {box-shadow: none;width: 70px;height: 70px;border-radius: 50%;z-index: 9;position: fixed;right: 26px;bottom: 26px;border: 3px solid #7f0000;}.cp-button-move-to-top:hover {box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.25);border: 3px solid black;}.lBHC {z-index: 99999;background-color: #e9f1fe;position: sticky;top: 0;}.lBFW {background-color: #e9f1fe;color: #202124;}.lBFI a {display: inline-block;height: 48px;}