.point-animation{position:fixed;z-index:49999;pointer-events:none;transition:none}@keyframes breatheSc{0%,to{text-shadow:0 0 10px #fff}50%{text-shadow:0 0 20px hwb(340 1% 3%),0 0 30px hwb(340 1% 3%)}}@keyframes breatheHp{0%,to{text-shadow:0 0 10px #fff}50%{text-shadow:0 0 20px #02dffc,0 0 30px #02dffc}}.point-text{font-size:24px;font-weight:700;filter:drop-shadow(2px 2px 4px rgba(255,255,255,.555));padding:8px 16px;white-space:nowrap}.point-text.hp{color:#02dffc;animation:breatheHp 3s ease-in-out infinite}.point-text.sc{color:#f70354;animation:breatheSc 3s ease-in-out infinite}.kids-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:var(--radius-sm, 8px);border:1px solid transparent;cursor:pointer;outline:none;font-family:inherit;line-height:1.4;white-space:nowrap;transition:transform .16s ease-out,background-color .16s ease,border-color .16s ease,box-shadow .16s ease;user-select:none;box-sizing:border-box}.kids-btn:hover:not(:disabled){transform:translateY(-1px)}.kids-btn:active:not(:disabled):not(.is-loading){transform:translateY(0)}.kids-btn:disabled,.kids-btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none!important;box-shadow:none!important}.kids-btn-primary{background:var(--button-bg, #D14336);color:var(--button-text, #ffffff);box-shadow:0 2px 8px color-mix(in srgb,var(--button-bg, #D14336) 24%,transparent)}.kids-btn-primary:hover:not(:disabled){background:var(--button-bg-hover, #B74432);box-shadow:0 4px 14px color-mix(in srgb,var(--button-bg, #D14336) 32%,transparent)}.kids-btn-ide-active,.kids-btn-dark{background:#1e293b;color:#fff;border-color:#0f172a;box-shadow:0 1px 2px #0000001f}.kids-btn-ide-active:hover:not(:disabled),.kids-btn-dark:hover:not(:disabled){background:#334155;color:#fff;border-color:#1e293b;transform:none}.kids-btn-secondary,.kids-btn-default{background:var(--card-bg, #ffffff);color:var(--app-text, #2D3436);border-color:var(--border-color, #DED8CD);box-shadow:0 1px 4px #4a37200d}.kids-btn-secondary:hover:not(:disabled),.kids-btn-default:hover:not(:disabled){background:var(--hover-bg, rgba(0, 122, 98, .06));border-color:var(--primary, #007A62);color:var(--primary, #007A62);box-shadow:0 2px 8px #4a372017}.kids-btn-ghost{background:transparent;color:var(--primary, #007A62);border-color:transparent}.kids-btn-ghost:hover:not(:disabled){background:var(--hover-bg, rgba(0, 122, 98, .08));color:var(--primary, #007A62)}.kids-btn-danger{background:var(--error, #D85663);color:#fff;box-shadow:0 2px 8px color-mix(in srgb,var(--error, #D85663) 24%,transparent)}.kids-btn-danger:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 4px 14px color-mix(in srgb,var(--error, #D85663) 32%,transparent)}.kids-btn-sm{padding:4px 12px;font-size:13px;border-radius:var(--radius-xs, 6px)}.kids-btn-md{padding:8px 18px;font-size:14px;border-radius:var(--radius-sm, 8px)}.kids-btn-lg{padding:10px 24px;font-size:16px;border-radius:var(--radius-md, 10px)}.kids-btn-spinner{width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:kids-btn-spin .6s linear infinite;display:inline-block;flex-shrink:0}@keyframes kids-btn-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.kids-card{background:var(--card-bg, #ffffff);border-radius:var(--radius-md, 12px);border:1px solid var(--border-color, #DED8CD);box-shadow:var(--shadow-1, 0 2px 10px rgba(74, 55, 32, .07));transition:transform .16s ease-out,box-shadow .16s ease,border-color .16s ease;overflow:hidden;box-sizing:border-box}.kids-card-hoverable:hover{transform:translateY(-1px);box-shadow:var(--shadow-2, 0 10px 28px rgba(74, 55, 32, .12));border-color:color-mix(in srgb,var(--primary, #007A62) 28%,var(--border-color, #DED8CD))}.kids-card-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border-color, rgba(0, 0, 0, .06))}.kids-card-title{font-size:16px;font-weight:700;color:var(--app-text, #2D3436);display:flex;align-items:center;gap:8px}.kids-card-extra{font-size:13px;color:var(--muted, #636E72)}.kids-card-body{padding:20px}.kids-card-actions{display:flex;border-top:1px solid var(--border-color, rgba(0, 0, 0, .06));background:var(--bg-card-subtle, rgba(0, 0, 0, .01))}.kids-card-actions>*{flex:1;text-align:center;padding:10px 0;border-right:1px solid var(--border-color, rgba(0, 0, 0, .06))}.kids-card-actions>*:last-child{border-right:none}.kids-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;font-size:12px;font-weight:600;line-height:1.5;border-radius:var(--radius-xs, 6px);border:1px solid transparent;white-space:nowrap;box-sizing:border-box;transition:all .15s ease}.kids-tag-default{background:var(--hover-bg, rgba(0, 0, 0, .05));color:var(--app-text, #2D3436);border-color:var(--border-color, #DED8CD)}.kids-tag-blue{background:var(--info-bg, rgba(37, 99, 166, .1));color:var(--info, #2563A6);border-color:color-mix(in srgb,var(--info, #2563A6) 24%,transparent)}.kids-tag-green{background:var(--success-bg, rgba(0, 122, 98, .11));color:var(--success, #007A62);border-color:color-mix(in srgb,var(--success, #007A62) 24%,transparent)}.kids-tag-orange{background:var(--warning-bg, rgba(183, 106, 0, .11));color:var(--warning, #B76A00);border-color:color-mix(in srgb,var(--warning, #B76A00) 24%,transparent)}.kids-tag-red{background:var(--error-bg, rgba(216, 86, 99, .1));color:var(--error, #D85663);border-color:color-mix(in srgb,var(--error, #D85663) 24%,transparent)}.kids-tag-purple{background:color-mix(in srgb,var(--purple, #6D5ACF) 10%,transparent);color:var(--purple, #6D5ACF);border-color:color-mix(in srgb,var(--purple, #6D5ACF) 24%,transparent)}.kids-tag-gold{background:color-mix(in srgb,var(--gold, #B47A00) 11%,transparent);color:var(--gold, #B47A00);border-color:color-mix(in srgb,var(--gold, #B47A00) 25%,transparent)}.kids-tag-close{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;opacity:.6;transition:opacity .15s ease;margin-left:2px}.kids-tag-close:hover{opacity:1}.kids-badge{position:relative;display:inline-block;line-height:1}.kids-badge-count{position:absolute;top:0;right:0;transform:translate(50%,-50%);transform-origin:100% 0%;z-index:10;min-width:18px;height:18px;padding:0 5px;color:#fff;font-weight:600;font-size:11px;line-height:18px;white-space:nowrap;text-align:center;background:var(--error, #ef4444);border-radius:10px;box-shadow:0 0 0 1.5px var(--card-bg, #ffffff);box-sizing:border-box}.kids-badge-count-sm{min-width:14px;height:14px;padding:0 3px;font-size:10px;line-height:14px;border-radius:7px}.kids-badge-dot{position:absolute;top:0;right:0;transform:translate(50%,-50%);z-index:10;width:8px;height:8px;background:var(--error, #ef4444);border-radius:50%;box-shadow:0 0 0 1.5px var(--card-bg, #ffffff)}.kids-modal-overlay{position:fixed;inset:0;z-index:60000;display:flex;align-items:center;justify-content:center;background:#0f172a73;backdrop-filter:blur(4px);padding:16px;animation:kids-modal-fade-in .2s ease-out;box-sizing:border-box}.kids-modal-container{position:relative;background:var(--card-bg, #ffffff);border-radius:var(--radius, 16px);border:1px solid var(--border-color, rgba(0, 0, 0, .08));box-shadow:0 20px 40px #00000026;max-width:calc(100vw - 32px);max-height:calc(100vh - 48px);display:flex;flex-direction:column;overflow:hidden;animation:kids-modal-scale-in .22s cubic-bezier(.34,1.56,.64,1);box-sizing:border-box}.kids-modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--border-color, rgba(0, 0, 0, .06))}.kids-modal-title{font-size:17px;font-weight:700;color:var(--text-color, #0f172a);margin:0}.kids-modal-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:none;background:transparent;color:var(--text-muted, #64748b);cursor:pointer;transition:all .15s ease}.kids-modal-close:hover{background:var(--hover-bg, rgba(0, 0, 0, .05));color:var(--text-color, #0f172a)}.kids-modal-body{padding:22px;overflow-y:auto;font-size:14px;line-height:1.6;color:var(--text-color, #334155)}.kids-modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 22px;border-top:1px solid var(--border-color, rgba(0, 0, 0, .06));background:var(--bg-card-subtle, rgba(0, 0, 0, .01))}@keyframes kids-modal-fade-in{0%{opacity:0}to{opacity:1}}@keyframes kids-modal-scale-in{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.kids-spin-nested-loading{position:relative}.kids-spin-nested-loading .kids-spin-container{transition:opacity .2s ease}.kids-spin-nested-loading .kids-spin-container.is-spinning{opacity:.4;pointer-events:none;user-select:none}.kids-spin-mask{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff6;backdrop-filter:blur(1px)}.kids-spinner-circle{display:inline-block;border-radius:50%;border:2.5px solid color-mix(in srgb,var(--primary, #0ea5e9) 20%,transparent);border-top-color:var(--primary, #0ea5e9);animation:kids-spin-rotate .7s linear infinite;box-sizing:border-box}.kids-spinner-sm{width:16px;height:16px;border-width:2px}.kids-spinner-default{width:28px;height:28px;border-width:2.5px}.kids-spinner-lg{width:42px;height:42px;border-width:3px}.kids-spin-tip{margin-top:8px;font-size:13px;color:var(--text-muted, #64748b);font-weight:500}@keyframes kids-spin-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.kids-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px;text-align:center}.kids-empty-icon{margin-bottom:12px;color:var(--text-muted, #94a3b8);opacity:.7}.kids-empty-description{font-size:14px;color:var(--text-muted, #64748b);margin-bottom:12px}.kids-empty-footer{margin-top:4px}.kids-drawer-wrapper{position:fixed;inset:0;z-index:50000;display:flex;justify-content:flex-end;pointer-events:none;visibility:hidden;transition:visibility .25s}.kids-drawer-wrapper.is-open{pointer-events:auto;visibility:visible}.kids-drawer-wrapper.no-mask,.kids-drawer-wrapper.no-mask.is-open{pointer-events:none}.kids-drawer-wrapper.no-mask .kids-drawer-content{pointer-events:auto}.kids-drawer-mask{position:absolute;inset:0;background:#0006;opacity:0;transition:opacity .25s ease}.kids-drawer-wrapper.is-open .kids-drawer-mask{opacity:1}.kids-drawer-content{position:relative;height:100%;background:var(--card-bg, #ffffff);color:var(--text-color, #1f2937);box-shadow:-4px 0 24px #00000026;display:flex;flex-direction:column;transform:translate(100%);transition:transform .25s cubic-bezier(.2,.9,.3,1);max-width:100vw;box-sizing:border-box;overflow:hidden}.kids-drawer-wrapper.is-open .kids-drawer-content{transform:translate(0)}.kids-drawer-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-color, #e5e7eb);background:var(--card-bg, #ffffff)}.kids-drawer-title{font-size:16px;font-weight:600;color:var(--text-color, #1f2937)}.kids-drawer-close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:none;background:transparent;color:var(--text-secondary, #6b7280);border-radius:8px;cursor:pointer;transition:background-color .15s,color .15s}.kids-drawer-close:hover{background:var(--bg-subtle, #f3f4f6);color:var(--text-color, #111827)}.kids-drawer-body{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;position:relative;padding:16px 20px;box-sizing:border-box}.kids-drawer-body::-webkit-scrollbar{width:6px}.kids-drawer-body::-webkit-scrollbar-track{background:transparent}.kids-drawer-body::-webkit-scrollbar-thumb{background:var(--border-color, #cbd5e1);border-radius:3px}.kids-drawer-body::-webkit-scrollbar-thumb:hover{background:var(--text-secondary, #94a3b8)}.kids-input-wrapper{position:relative;display:inline-flex;align-items:center;width:100%;background:var(--input-bg, var(--card-bg, #ffffff));border:1px solid var(--border-color, #DED8CD);border-radius:var(--radius-sm, 8px);padding:0 12px;color:var(--app-text, #2D3436);transition:border-color .16s ease,box-shadow .16s ease;box-sizing:border-box}.kids-input-wrapper:hover{border-color:color-mix(in srgb,var(--primary, #007A62) 40%,var(--border-color, #DED8CD))}.kids-input-wrapper.is-focused{border-color:var(--primary, #007A62);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus-ring, #008F72) 20%,transparent)}.kids-input-wrapper.is-disabled{opacity:.55;background:var(--hover-bg, rgba(0, 0, 0, .04));cursor:not-allowed}.kids-input-sm{height:32px;font-size:13px;padding:0 8px}.kids-input-md{height:38px;font-size:14px}.kids-input-lg{height:44px;font-size:15px;padding:0 14px}.kids-input-inner{flex:1;width:100%;height:100%;border:none;background:transparent;outline:none;color:inherit;font-family:inherit;font-size:inherit;padding:0}.kids-input-inner:focus,.kids-input-inner:focus-visible{outline:none!important;box-shadow:none!important}.kids-input-inner::placeholder{color:var(--muted, #636E72)}.kids-input-prefix{display:inline-flex;align-items:center;margin-right:8px;color:var(--muted, #636E72);flex-shrink:0}.kids-input-suffix{display:inline-flex;align-items:center;margin-left:8px;color:var(--muted, #636E72);flex-shrink:0}.kids-input-clear{display:inline-flex;align-items:center;justify-content:center;cursor:pointer;background:none;border:none;padding:2px;margin-left:4px;color:var(--muted, #636E72);border-radius:50%;transition:color .15s ease,background-color .15s ease}.kids-input-clear:hover{color:var(--app-text, #2D3436);background-color:var(--hover-bg, rgba(0, 122, 98, .08))}.kids-select-wrapper{position:relative;display:inline-flex;align-items:center;width:100%;background:var(--input-bg, var(--card-bg, #ffffff));border:1px solid var(--border-color, #DED8CD);border-radius:var(--radius-sm, 8px);color:var(--app-text, #2D3436);transition:border-color .16s ease,box-shadow .16s ease;box-sizing:border-box;cursor:pointer}.kids-select-wrapper:hover{border-color:color-mix(in srgb,var(--primary, #007A62) 40%,var(--border-color, #DED8CD))}.kids-select-wrapper.is-focused{border-color:var(--primary, #007A62);box-shadow:0 0 0 3px color-mix(in srgb,var(--focus-ring, #008F72) 20%,transparent)}.kids-select-wrapper.is-disabled{opacity:.55;background:var(--hover-bg, rgba(0, 0, 0, .04));cursor:not-allowed}.kids-select-sm{height:32px;font-size:13px}.kids-select-md{height:38px;font-size:14px}.kids-select-lg{height:44px;font-size:15px}.kids-select-inner{appearance:none;-webkit-appearance:none;width:100%;height:100%;padding:0 32px 0 12px;background:transparent;border:none;outline:none;color:inherit;font-family:inherit;font-size:inherit;cursor:pointer;text-overflow:ellipsis;white-space:nowrap}.kids-select-inner:focus,.kids-select-inner:focus-visible{outline:none!important;box-shadow:none!important}.kids-select-inner:disabled{cursor:not-allowed}.kids-select-inner option{background:var(--card-bg, #ffffff);color:var(--app-text, #2D3436)}.kids-select-icons{position:absolute;right:10px;display:inline-flex;align-items:center;gap:4px;pointer-events:none;color:var(--muted, #636E72)}.kids-select-clear{pointer-events:auto;display:inline-flex;align-items:center;justify-content:center;background:none;border:none;padding:2px;color:var(--muted, #636E72);border-radius:50%;cursor:pointer;transition:color .15s ease,background-color .15s ease}.kids-select-clear:hover{color:var(--app-text, #2D3436);background-color:var(--hover-bg, rgba(0, 122, 98, .08))}.kids-select-arrow{display:inline-flex;align-items:center}.kids-table-wrapper{position:relative;width:100%}.kids-table-container{width:100%;overflow-x:auto;border-radius:var(--radius, 12px);border:1px solid var(--border-color, rgba(0, 0, 0, .08));background:var(--card-bg, #ffffff);box-sizing:border-box}.kids-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.kids-table-head{background:var(--hover-bg, #f8fafc);border-bottom:1.5px solid var(--border-color, rgba(0, 0, 0, .08))}.kids-table-th{padding:12px 16px;font-weight:600;font-size:13.5px;color:var(--muted, #64748b);white-space:nowrap;user-select:none}.kids-table-th.is-sortable{cursor:pointer;transition:color .15s ease,background-color .15s ease}.kids-table-th.is-sortable:hover{background:color-mix(in srgb,var(--primary, #007A62) 8%,var(--hover-bg, rgba(0, 0, 0, .03)));color:var(--app-text, #2D3436)}.kids-table-th-inner{display:inline-flex;align-items:center;gap:6px}.kids-table-th-sorter{display:inline-flex;align-items:center;color:var(--muted, #636E72)}.kids-table-th-sorter.is-active{color:var(--primary, #007A62)}.kids-table-tbody tr{border-bottom:1px solid var(--border-color, rgba(0, 0, 0, .06));transition:background-color .15s ease}.kids-table-tbody tr:last-child{border-bottom:none}.kids-table-tbody tr:hover{background-color:var(--hover-bg, rgba(0, 122, 98, .04))}.kids-table-td{padding:12px 16px;color:var(--app-text, #2D3436);vertical-align:middle}.kids-table-small .kids-table-th,.kids-table-small .kids-table-td{padding:8px 12px;font-size:13px}.kids-table-middle .kids-table-th,.kids-table-middle .kids-table-td{padding:12px 16px;font-size:14px}.kids-table-large .kids-table-th,.kids-table-large .kids-table-td{padding:16px 20px;font-size:15px}.kids-table-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.kids-table-empty-row td{padding:48px 16px;text-align:center}.kids-table-loading-overlay{position:absolute;inset:0;background:color-mix(in srgb,var(--card-bg, #ffffff) 65%,transparent);backdrop-filter:blur(1px);display:flex;align-items:center;justify-content:center;border-radius:var(--radius, 12px);z-index:10}.kids-pagination{display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--app-text, #334155);user-select:none}.kids-pagination-total{margin-right:8px;color:var(--muted, #64748b);font-size:13px}.kids-pagination-list{display:inline-flex;align-items:center;gap:6px;list-style:none;padding:0;margin:0}.kids-pagination-item{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 6px;border-radius:8px;border:1px solid var(--border-color, rgba(0, 0, 0, .1));background:var(--card-bg, #ffffff);color:var(--app-text, #334155);font-weight:500;font-size:13px;cursor:pointer;transition:all .15s ease;outline:none}.kids-pagination-item:hover:not(:disabled):not(.is-active){border-color:var(--primary, #007A62);color:var(--primary, #007A62);background:var(--hover-bg, rgba(0, 122, 98, .06))}.kids-pagination-item.is-active{background:var(--primary, #007A62);border-color:var(--primary, #007A62);color:#fff;font-weight:600;box-shadow:0 2px 6px color-mix(in srgb,var(--primary, #007A62) 28%,transparent)}.kids-pagination-item:disabled{opacity:.4;cursor:not-allowed;border-color:var(--border-color, rgba(0, 0, 0, .08))}.kids-pagination-ellipsis{display:inline-flex;align-items:center;justify-content:center;width:24px;color:var(--muted, #636E72);font-size:14px}.kids-pagination-size-changer{margin-left:8px}.kids-pagination-size-changer select{height:32px;padding:0 8px;border-radius:8px;border:1px solid var(--border-color, rgba(0, 0, 0, .1));background:var(--card-bg, #ffffff);color:var(--app-text, #334155);font-size:13px;outline:none;cursor:pointer}.kids-pagination-quick-jumper{display:inline-flex;align-items:center;gap:6px;margin-left:8px;font-size:13px;color:var(--muted, #64748b)}.kids-pagination-quick-jumper input{width:46px;height:32px;padding:0 4px;border-radius:8px;border:1px solid var(--border-color, rgba(0, 0, 0, .1));background:var(--card-bg, #ffffff);color:var(--app-text, #334155);text-align:center;font-size:13px;outline:none}.kids-pagination-quick-jumper input:focus{border-color:var(--primary, 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print{.app-header,.app-footer,.ant-affix,.ant-back-top{display:none!important}.app-content{padding:0}.problem-content{font-size:16px;line-height:1.5}}.article-container-wrap{box-sizing:border-box;width:100%;min-width:448px;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}.article-container{margin-top:1.5em;margin-bottom:1.5em;display:flex;flex-flow:row wrap;align-items:flex-start;gap:1em}.article-container-wrap .reverse{flex-direction:row-reverse}.article-container .side{min-width:200px}.article-container .main{min-width:420px}.ide-fullscreen{height:100vh;overflow:hidden}:root{--tt-bg-1-bg: rgb(254, 76, 97);--tt-bg-1-fg: #fff;--tt-bg-2-bg: rgb(243, 156, 17);--tt-bg-2-fg: #fff;--tt-bg-3-bg: rgb(231, 247, 6);--tt-bg-3-fg: #333;--tt-bg-4-bg: rgb(82, 196, 26);--tt-bg-4-fg: #fff;--tt-bg-5-bg: rgb(52, 152, 219);--tt-bg-5-fg: #fff;--tt-bg-6-bg: rgb(157, 61, 207);--tt-bg-6-fg: #fff;--tt-bg-7-bg: rgb(14, 29, 105);--tt-bg-7-fg: #fff;--tt-bg-8-bg: rgb(0, 0, 0);--tt-bg-8-fg: #fff}.tt-bg-1{background-color:var(--tt-bg-1-bg);color:var(--tt-bg-1-fg);border:none}.tt-bg-2{background-color:var(--tt-bg-2-bg);color:var(--tt-bg-2-fg);border:none}.tt-bg-3{background-color:var(--tt-bg-3-bg);color:var(--tt-bg-3-fg);border:none}.tt-bg-4{background-color:var(--tt-bg-4-bg);color:var(--tt-bg-4-fg);border:none}.tt-bg-5{background-color:var(--tt-bg-5-bg);color:var(--tt-bg-5-fg);border:none}.tt-bg-6{background-color:var(--tt-bg-6-bg);color:var(--tt-bg-6-fg);border:none}.tt-bg-7{background-color:var(--tt-bg-7-bg);color:var(--tt-bg-7-fg);border:none}.tt-bg-8{background-color:var(--tt-bg-8-bg);color:var(--tt-bg-8-fg);border:none}.avatar-ring{margin-top:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}.avatar-ring.level-up{animation:levelUpGlow .9s ease-out 2}@keyframes levelUpGlow{0%{box-shadow:0 0 #ffd70000,0 0 #ffa50000;transform:scale(1)}40%{box-shadow:0 0 12px #ffd700cc,0 0 24px #ffa50099;transform:scale(1.05)}80%{box-shadow:0 0 8px #ffd70080,0 0 20px #ffa50066;transform:scale(1.02)}to{box-shadow:0 0 #ffd70000,0 0 #ffa50000;transform:scale(1)}}table.suanxin-table>tr>th,table.suanxin-table>tr>td.table-td{padding:0}.avatar-ring.border-1{border:5px solid var(--tt-bg-1-bg);background-color:color-mix(in srgb,var(--tt-bg-1-bg) 80%,white)}.avatar-ring.border-2{border:5px solid var(--tt-bg-2-bg);background-color:color-mix(in srgb,var(--tt-bg-2-bg) 80%,white)}.avatar-ring.border-3{border:5px solid var(--tt-bg-3-bg);background-color:color-mix(in srgb,var(--tt-bg-3-bg) 80%,white)}.avatar-ring.border-4{border:5px solid var(--tt-bg-4-bg);background-color:color-mix(in srgb,var(--tt-bg-4-bg) 80%,white)}.avatar-ring.border-5{border:5px solid var(--tt-bg-5-bg);background-color:color-mix(in srgb,var(--tt-bg-5-bg) 80%,white)}.avatar-ring.border-6{border:5px solid var(--tt-bg-6-bg);background-color:color-mix(in srgb,var(--tt-bg-6-bg) 80%,white)}.avatar-ring.border-7{border:5px solid var(--tt-bg-7-bg);background-color:color-mix(in srgb,var(--tt-bg-7-bg) 80%,white)}.avatar-ring.border-8{border:5px solid var(--tt-bg-8-bg);background-color:color-mix(in srgb,var(--tt-bg-8-bg) 80%,white)}.difficulty-tag{padding:4px 8px;border-radius:4px;font-size:var(--font-size-label);font-weight:500;display:inline-block;text-align:center;min-width:60px}.difficulty-tag:hover{opacity:.8;transform:translateY(-1px);transition:all .2s ease}.no-hover-effect:hover{transform:none!important;box-shadow:0 1px 2px #00000008!important;transition:none!important}.glow-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:2px 0;width:95%;height:25px;color:#fff;border-radius:3px;cursor:pointer;background:var(--btn-bg, #1e1e1e);overflow:visible;transition:transform .2s,border-color .3s}.glow-btn:before{content:"";position:absolute;inset:0;z-index:-1;border-radius:3px;background:var(--btn-bg, #1e1e1e);transition:background .3s}.glow-btn:hover{border-color:#fff6}.glow-btn a{color:#fff}.active-coding[data-speed-level="0"]{--blink-speed: 1.3s}.active-coding[data-speed-level="1"]{--blink-speed: 1s}.active-coding[data-speed-level="2"]{--blink-speed: .8s}.active-coding[data-speed-level="3"]{--blink-speed: .6s}.active-coding:after{content:"";position:absolute;bottom:1px;left:50%;transform:translate(-50%);width:16px;height:2px;background-color:var(--cursor-bg, #fff);box-shadow:0 0 4px #fffc;animation:cursor-blink var(--blink-speed) step-end infinite}@keyframes cursor-blink{0%,to{opacity:1}50%{opacity:0}}.active-coding:hover:after{background-color:#0f8}@keyframes kids-skeleton-pulse{0%{background-position:100% 50%}to{background-position:0 50%}}.kids-skeleton-card{margin:24px;padding:24px;border-radius:var(--radius, 12px);background:var(--card-bg, #ffffff);border:1px solid var(--border-color, rgba(0, 0, 0, .08))}.kids-skeleton-line{height:16px;margin-bottom:12px;border-radius:4px;background:linear-gradient(90deg,#9696961a 25%,#96969638 37%,#9696961a 63%);background-size:400% 100%;animation:kids-skeleton-pulse 1.4s ease infinite}.kids-skeleton-title{height:22px;margin-bottom:20px;border-radius:4px;background:linear-gradient(90deg,#9696961f 25%,#96969640 37%,#9696961f 63%);background-size:400% 100%;animation:kids-skeleton-pulse 1.4s ease infinite}.suanxincpp-active-line{background-color:#f59e0b47!important;border-left:4px solid #f59e0b!important;box-shadow:inset 0 0 10px #f59e0b2e!important}.suanxincpp-lab-stage button[title*=自动跟随滚动],.suanxincpp-container button[title*=自动跟随滚动],button[title*=自动跟随滚动]{display:none!important}:root,[data-theme=system][data-mode=light]{color-scheme:light;--app-bg: #FAF8F3;--app-text: #2D3436;--header-bg: #F3EFE7;--header-text: #2D3436;--header-input-bg: rgba(45, 52, 54, .04);--header-input-bg-hover: rgba(45, 52, 54, .08);--content-bg: #FFFFFF;--sidebar-bg: #F3EFE7;--sidebar-fg: #2D3436;--card-bg: #FFFFFF;--code-bg: #F4F1EA;--code-text: #1E293B;--border-color: #DED8CD;--primary: #007A62;--link: #007A62;--link-hover: #006B56;--focus-ring: #008F72;--button-bg: #D14336;--button-bg-hover: #B74432;--button-text: #FFFFFF;--hover-bg: rgba(0, 122, 98, .08);--scrollbar-track: #F3EFE7;--scrollbar-thumb: #CFC7BB;--scrollbar-thumb-hover: #AAA093;--shadow-1: 0 2px 10px rgba(74, 55, 32, .07);--shadow-2: 0 10px 28px rgba(74, 55, 32, .12);--font-size-base: 16px;--font-size-secondary: 15px;--font-size-label: 13px;--success: #007A62;--warning: #B76A00;--orange: #B95338;--error: #D85663;--danger: #C74755;--info: #2563A6;--purple: #6D5ACF;--muted: #636E72;--muted-2: #767D80;--gold: #B47A00;--silver: #68778A;--bronze: #A95E12;--success-bg: rgba(0, 122, 98, .11);--info-bg: rgba(37, 99, 166, .1);--warning-bg: rgba(183, 106, 0, .11);--error-bg: rgba(216, 86, 99, .1)}[data-theme=system][data-mode=dark]{color-scheme:dark;--app-bg: #1A1A2E;--app-text: #F0EDF5;--header-bg: #20203A;--header-text: #F7F4EF;--header-input-bg: rgba(244, 138, 114, .1);--header-input-bg-hover: rgba(244, 138, 114, .17);--content-bg: #252547;--sidebar-bg: #20203A;--sidebar-fg: #F0EDF5;--card-bg: #252547;--code-bg: #141426;--code-text: #F0EDF5;--border-color: #3D3D62;--primary: #5EE0C1;--link: #5EE0C1;--link-hover: #8CEBD5;--focus-ring: #7CE8CF;--button-bg: #F48A72;--button-bg-hover: #FF9C86;--button-text: #1A1A2E;--hover-bg: rgba(94, 224, 193, .1);--scrollbar-track: #20203A;--scrollbar-thumb: #55557A;--scrollbar-thumb-hover: #70709A;--shadow-1: 0 2px 12px rgba(4, 4, 15, .36);--shadow-2: 0 12px 30px rgba(4, 4, 15, .52);--font-size-base: 16px;--font-size-secondary: 15px;--font-size-label: 13px;--success: #5EE0C1;--warning: #FFD166;--orange: #FF9F68;--error: #FF9A9A;--danger: #FF8A80;--info: #8FC7FF;--purple: #C4B5FD;--muted: #C2BDCB;--muted-2: #A39DB0;--gold: #FFD166;--silver: #C2BDCB;--bronze: #ECA15C;--success-bg: rgba(94, 224, 193, .12);--info-bg: rgba(143, 199, 255, .11);--warning-bg: rgba(255, 209, 102, .12);--error-bg: rgba(255, 154, 154, .11)}[data-theme=kids][data-mode=light]{color-scheme:light;--app-bg: #FAF8F3;--content-bg: #FFFFFF;--card-bg: #FFFFFF;--sidebar-bg: #F3EFE7;--code-bg: #F1F2F0;--header-bg: #F3EFE7;--header-text: #2D3436;--primary: #007A62;--button-bg: #D14336;--button-bg-hover: #B74432;--button-text: #FFFFFF;--link: #007A62;--link-hover: #006B56;--focus-ring: #008F72;--border-color: #DED8CD;--hover-bg: rgba(0, 122, 98, .08);--header-input-bg: rgba(0, 0, 0, .04);--header-input-bg-hover: rgba(0, 0, 0, .08);--app-text: #2D3436;--code-text: #1E293B;--sidebar-fg: #2D3436;--shadow-1: 0 2px 10px rgba(74, 55, 32, .07);--shadow-2: 0 10px 28px rgba(74, 55, 32, .12);--scrollbar-track: #F3EFE7;--scrollbar-thumb: #CFC7BB;--scrollbar-thumb-hover: #AAA093;--font-size-base: 16px;--font-size-secondary: 15px;--font-size-label: 13px;--success: #007A62;--warning: #B76A00;--orange: #B95338;--error: #D85663;--danger: #C74755;--info: #2563A6;--purple: #6D5ACF;--muted: #636E72;--muted-2: #767D80;--gold: #B47A00;--silver: #68778A;--bronze: #A95E12;--success-bg: rgba(0, 122, 98, .11);--info-bg: rgba(37, 99, 166, .1);--warning-bg: rgba(183, 106, 0, .11);--error-bg: rgba(216, 86, 99, .1)}[data-theme=kids][data-mode=dark]{color-scheme:dark;--app-bg: #1A1A2E;--content-bg: #252547;--card-bg: #252547;--sidebar-bg: #20203A;--code-bg: #141426;--header-bg: #20203A;--header-text: #F7F4EF;--primary: #5EE0C1;--button-bg: #F48A72;--button-bg-hover: #FF9C86;--button-text: #1A1A2E;--link: #5EE0C1;--link-hover: #8CEBD5;--focus-ring: #7CE8CF;--border-color: #3D3D62;--hover-bg: rgba(94, 224, 193, .1);--header-input-bg: rgba(244, 138, 114, .1);--header-input-bg-hover: rgba(244, 138, 114, .17);--app-text: #F0EDF5;--code-text: #F0EDF5;--sidebar-fg: #F0EDF5;--shadow-1: 0 2px 12px rgba(0, 0, 0, .6);--shadow-2: 0 8px 24px rgba(0, 0, 0, .8);--scrollbar-track: #20203A;--scrollbar-thumb: #55557A;--scrollbar-thumb-hover: #70709A;--font-size-base: 16px;--font-size-secondary: 15px;--font-size-label: 13px;--success: #5EE0C1;--warning: #FFD166;--orange: #FF9F68;--error: #FF9A9A;--danger: #FF8A80;--info: #8FC7FF;--purple: #C4B5FD;--muted: #C2BDCB;--muted-2: #A39DB0;--gold: #FBBF24;--silver: #A8A29E;--bronze: #D97706;--success-bg: rgba(52, 211, 153, .12);--info-bg: rgba(165, 180, 252, .1);--warning-bg: rgba(251, 191, 36, .12);--error-bg: rgba(248, 113, 113, .1)}[data-theme=kids] .card,[data-theme=kids] .ant-card{border-color:var(--border-color);border-radius:12px;box-shadow:var(--shadow-1);transition:border-color .2s ease,box-shadow .2s ease}[data-theme=kids] .card:hover,[data-theme=kids] .ant-card:hover{border-color:color-mix(in srgb,var(--primary) 28%,var(--border-color));box-shadow:var(--shadow-2)}[data-theme=kids] .btn,[data-theme=kids] .ant-btn{border-radius:8px!important;font-weight:600;letter-spacing:0;transition:color .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}[data-theme=kids] .btn:hover,[data-theme=kids] .ant-btn:hover{box-shadow:0 5px 16px color-mix(in srgb,var(--primary) 18%,transparent)}[data-theme=kids] .btn-primary,[data-theme=kids] .ant-btn-primary{background:var(--button-bg);border-color:var(--button-bg)!important;box-shadow:0 4px 14px color-mix(in srgb,var(--button-bg) 30%,transparent);color:var(--button-text);font-weight:700}[data-theme=kids] .btn-primary:hover,[data-theme=kids] .ant-btn-primary:hover{background:var(--button-bg-hover)!important;border-color:var(--button-bg-hover)!important;color:var(--button-text)!important;transform:translateY(-1px);box-shadow:0 7px 20px color-mix(in srgb,var(--button-bg) 34%,transparent)}[data-theme=kids] .btn-primary:active,[data-theme=kids] .ant-btn-primary:active{transform:translateY(0)}[data-theme=kids] .ant-input,[data-theme=kids] .ant-input-affix-wrapper{border-radius:8px!important;transition:border-color .2s ease,box-shadow .2s ease}[data-theme=kids] .ant-input:hover,[data-theme=kids] .ant-input-affix-wrapper:hover{border-color:var(--primary)!important}[data-theme=kids] .ant-input:focus,[data-theme=kids] .ant-input-affix-wrapper-focused{border-color:var(--primary)!important;box-shadow:0 0 0 3px #05966933!important}[data-theme=kids] .ant-menu-item,[data-theme=kids] .ant-menu-item-selected{margin:4px 8px!important;transition:background .3s ease}[data-theme=kids] .ant-menu-item:hover{background:var(--hover-bg)!important;transform:translate(4px)}[data-theme=kids] .ant-menu-item-selected{border-bottom:4px solid var(--primary)!important}[data-theme=kids] .modern-header .ant-menu-horizontal>.ant-menu-item-selected:after,[data-theme=kids] .modern-header .ant-menu-horizontal>.ant-menu-submenu-selected:after{border-bottom-width:0}[data-theme=kids] .ant-table-thead>tr>th{background:var(--sidebar-bg)!important;color:var(--app-text)!important;font-weight:700!important;border-bottom:2px solid var(--border-color)!important}[data-theme=kids] 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.ant-notification-notice{border-radius:16px!important;animation:slide-in .3s ease}@keyframes slide-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}[data-theme=kids] .ant-pagination-item{border-radius:50%!important;margin:0 4px!important}[data-theme=kids] .ant-pagination-item-active{background:var(--primary)!important;border-color:var(--primary)!important}[data-theme=kids] .ant-tabs-tab-active .ant-tabs-tab-btn{color:var(--primary)!important;font-weight:700}[data-theme=kids] .ant-tabs-ink-bar{background:var(--primary)!important;height:3px!important;border-radius:2px}[data-theme=kids] .ant-modal-content{border-radius:14px!important;overflow:hidden}[data-theme=kids] .ant-modal-header{border-radius:14px 14px 0 0!important}[data-theme=kids] .ant-modal-title{font-weight:700;color:var(--primary)}[data-theme=kids] .ant-empty-description{color:var(--muted);font-size:16px}[data-theme=kids] ::-webkit-scrollbar{width:7px}[data-theme=kids] ::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:5px}[data-theme=kids] ::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:5px}[data-theme=kids] ::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}[data-theme=kids] pre,[data-theme=kids] code{border-radius:8px!important}[data-theme=kids] pre{border:1px solid var(--border-color)}[data-theme=kids] .ant-skeleton-content .ant-skeleton-title,[data-theme=kids] .ant-skeleton-content .ant-skeleton-paragraph>li{background:linear-gradient(90deg,var(--hover-bg) 25%,var(--border-color) 50%,var(--hover-bg) 75%)!important;background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}[data-theme=kids] .ant-dropdown-menu{border-radius:12px!important;padding:8px!important}[data-theme=kids] .ant-dropdown-menu-item{border-radius:8px!important;margin:2px 0!important}[data-theme=kids] .ant-tooltip-inner{border-radius:8px!important;font-weight:600}[data-theme=kids] .ant-tooltip-arrow:before{background:var(--primary)!important}[data-theme=kids] .ant-popover-inner{border-radius:12px!important}[data-theme=kids] .ant-popover-title{border-radius:12px 12px 0 0!important;font-weight:700;color:var(--primary)}[data-theme=kids][data-mode=dark] .ant-table-thead>tr>th{background:var(--sidebar-bg)!important;border-bottom-color:var(--border-color)!important}[data-theme=kids][data-mode=dark] .ant-table-tbody>tr:nth-child(odd)>td{background:#ffffff05!important}@media (prefers-reduced-motion: reduce){[data-theme=kids] .card,[data-theme=kids] .ant-card,[data-theme=kids] .btn,[data-theme=kids] .ant-btn,[data-theme=kids] .ant-menu-item{transition:none!important}[data-theme=kids] .card:hover,[data-theme=kids] .ant-card:hover,[data-theme=kids] .btn:hover,[data-theme=kids] .ant-btn:hover{transform:none!important}}:root{width:100%;height:100%;font-family:Outfit,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;font-size:var(--font-size-base);color-scheme:light;color:var(--app-text);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}a{font-weight:500;color:var(--link);text-decoration:inherit}a:hover{color:var(--link-hover)}body{margin:0;padding:0;min-width:320px;min-height:100%;width:100%;background:var(--app-bg)}h1,h2,h3{color:var(--app-text);font-family:Outfit,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;text-wrap:balance}h1{font-size:2.25rem;line-height:1.15}p{text-wrap:pretty}button{border-radius:8px;border:1px solid var(--border-color);padding:.6em 1.2em;font-size:1em;font-weight:600;font-family:inherit;background-color:var(--button-bg);color:var(--button-text);cursor:pointer;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}button:not(:disabled):hover{border-color:var(--button-bg)}:where(a,button,input:not(.kids-input-inner),textarea,select:not(.kids-select-inner),[tabindex]):focus-visible{outline:3px solid color-mix(in srgb,var(--focus-ring) 72%,transparent);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.56}.text-secondary{font-size:var(--font-size-secondary)}.text-label{font-size:var(--font-size-label)}.cm-remote-cursor{display:inline-block;border-left:2px solid #9ca3af!important;margin-left:-1px;height:1.2em;vertical-align:-.15em;pointer-events:none;animation:remoteCursorBlink 1s ease-in-out infinite}@keyframes remoteCursorBlink{0%,to{opacity:1}50%{opacity:.25}}