#nprogress{pointer-events:none}#nprogress .bar{z-index:1031;background:#29d;width:100%;height:2px;position:fixed;top:0;left:0}#nprogress .peg{opacity:1;width:100px;height:100%;display:block;position:absolute;right:0;transform:rotate(3deg)translateY(-4px);box-shadow:0 0 10px #29d,0 0 5px #29d}#nprogress .spinner{z-index:1031;display:block;position:fixed;top:15px;right:15px}#nprogress .spinner-icon{box-sizing:border-box;border:2px solid #0000;border-color:#29d #0000 #0000 #29d;border-radius:50%;width:18px;height:18px;animation:.4s linear infinite nprogress-spinner}.nprogress-custom-parent{position:relative;overflow:hidden}.nprogress-custom-parent #nprogress .spinner,.nprogress-custom-parent #nprogress .bar{position:absolute}@-webkit-keyframes nprogress-spinner{0%{-webkit-transform:rotate(0)}to{-webkit-transform:rotate(360deg)}}@keyframes nprogress-spinner{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.human-verification-captcha{justify-content:center;align-items:center;min-height:318px;display:flex}.human-verification-captcha #tianai-captcha-parent #tianai-captcha-box #tianai-captcha{transition-duration:0s!important}.about-page-heading{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.about-page-frame{background:#000;border:0;width:100%;height:100vh;display:block}.membership-checkout-page{width:min(1180px,100% - 48px);margin:0 auto;padding:28px 0 56px}.membership-checkout-result-page{min-height:calc(100vh - var(--cuser-header-height) - 84px);place-items:center;display:grid}.membership-checkout-result-page>.ant-card{width:min(720px,100%)}.membership-checkout-result-page .ant-descriptions{width:min(560px,100% - 48px);margin:0 auto 24px}.membership-checkout-heading .ant-typography{margin:0}.membership-checkout-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;display:grid}.membership-checkout-main{gap:16px;min-width:0;display:grid}.membership-checkout-product{align-items:center;gap:16px;margin-bottom:24px;display:flex}.membership-checkout-product .ant-typography{margin:0}.membership-checkout-product-logo{background:#17191f;border-radius:16px;flex:none;place-items:center;width:64px;height:64px;display:grid}.membership-checkout-benefits{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;display:grid}.membership-checkout-benefit{align-items:flex-start;gap:10px;min-width:0;display:flex}.membership-checkout-benefit>.anticon{color:var(--ant-color-success);margin-top:4px}.membership-checkout-benefit strong,.membership-checkout-benefit .ant-typography{display:block}.membership-checkout-payment-method{align-items:center;gap:12px;display:flex}.membership-checkout-payment-method>.anticon{color:#1677ff;font-size:34px}.membership-checkout-payment-method>span:nth-child(2){flex-direction:column;flex:1;min-width:0;display:flex}.membership-checkout-summary{top:calc(var(--cuser-header-height) + 20px);position:sticky}.membership-checkout-price-line{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.membership-checkout-total{border-top:1px solid var(--ant-color-border-secondary);justify-content:space-between;align-items:flex-end;margin:22px 0;padding-top:20px;display:flex}.membership-checkout-total strong{color:var(--ant-color-error);font-size:34px;line-height:1}.membership-checkout-total small{margin-right:3px;font-size:18px}.membership-checkout-security{width:100%;margin-top:16px}.membership-checkout-security>.anticon{color:var(--ant-color-success);margin-top:3px}@media (width<=820px){.membership-checkout-page{width:calc(100% - 24px);padding-top:20px}.membership-checkout-layout{grid-template-columns:minmax(0,1fr)}.membership-checkout-summary{position:static}}@media (width<=560px){.membership-checkout-benefits{grid-template-columns:minmax(0,1fr)}}html,body{width:100%;height:100%}input::-ms-clear{display:none}input::-ms-reveal{display:none}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:#0000;font-family:sans-serif;line-height:1.15}body{margin:0}[tabindex="-1"]:focus{outline:none}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5em;font-weight:500}p{margin-top:0;margin-bottom:1em}abbr[title],abbr[data-original-title]{cursor:help;border-bottom:0;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}address{font-style:normal;line-height:inherit;margin-bottom:1em}input[type=text],input[type=password],input[type=number],textarea{-webkit-appearance:none}ol,ul,dl{margin-top:0;margin-bottom:1em}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:500}dd{margin-bottom:.5em;margin-left:0}blockquote{margin:0 0 1em}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}pre,code,kbd,samp{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;font-size:1em}pre{margin-top:0;margin-bottom:1em;overflow:auto}figure{margin:0 0 1em}img{vertical-align:middle;border-style:none}a,area,button,[role=button],input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}table{border-collapse:collapse}caption{text-align:left;caption-side:bottom;padding-top:.75em;padding-bottom:.3em}input,button,select,optgroup,textarea{color:inherit;font-size:inherit;font-family:inherit;line-height:inherit;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,html [type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner{border-style:none;padding:0}[type=button]::-moz-focus-inner{border-style:none;padding:0}[type=reset]::-moz-focus-inner{border-style:none;padding:0}[type=submit]::-moz-focus-inner{border-style:none;padding:0}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{resize:vertical;overflow:auto}fieldset{border:0;min-width:0;margin:0;padding:0}legend{width:100%;max-width:100%;color:inherit;font-size:1.5em;line-height:inherit;white-space:normal;margin-bottom:.5em;padding:0;display:block}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button{height:auto}[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}*{scrollbar-width:thin;scrollbar-color:#64748b3d transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#64748b3d padding-box content-box;border:2px solid #0000;border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#64748b66 padding-box content-box}html[data-theme=dark] *{scrollbar-color:#cbd5e14d transparent}html[data-theme=dark] ::-webkit-scrollbar-thumb{background:#cbd5e14d padding-box content-box}html[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#e2e8f07a padding-box content-box}::-webkit-scrollbar-corner{background:0 0}#nprogress .bar{background:#595959!important}#nprogress .peg{box-shadow:0 0 10px #595959,0 0 5px #595959!important}#nprogress .spinner-icon{border-top-color:#595959!important;border-left-color:#595959!important}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--cuser-header-height:60px;--cuser-page-bg:#fbfcfd;--cuser-header-bg:#fff;--cuser-border-color:#f0f0f0;--cuser-stripe-bg:#fafafa}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--cuser-page-bg:#16171a;--cuser-header-bg:#18181b;--cuser-border-color:#3f3f46;--cuser-stripe-bg:#202023}html,body,#root{min-height:100%}html{scrollbar-gutter:stable}body{background:var(--cuser-page-bg);margin:0}button{font:inherit}button:not(:disabled),a[href],[role=button]:not([aria-disabled=true]),.ant-menu-item,.ant-segmented-item,.ant-select-selector,.ant-checkbox-wrapper,.ant-radio-wrapper,.ant-table-row{cursor:pointer}button:disabled,[aria-disabled=true],.ant-btn-disabled,.ant-menu-item-disabled{cursor:not-allowed}input,textarea,[contenteditable=true],.ace_text-input{cursor:text}.cuser-layout{min-height:100vh}.cuser-layout-detail{height:100vh;overflow:hidden}.cuser-header{height:var(--cuser-header-height);line-height:var(--cuser-header-height);background:var(--cuser-header-bg);border-bottom:1px solid var(--cuser-border-color);justify-content:space-between;align-items:center;padding:0 24px;display:flex}.cuser-brand{color:inherit;cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;padding:0;font-size:18px;font-weight:600;display:inline-flex}.cuser-brand-logo{object-fit:contain;width:30px;height:30px}.cuser-header-start{flex:1;align-items:center;gap:24px;min-width:0;display:flex}.cuser-main-menu{flex:1;min-width:0}.cuser-header-actions{flex:none}.cuser-maintenance-action{display:inline-flex}.cuser-membership-entry.ant-btn:not(:disabled):hover,.cuser-membership-entry.ant-btn:not(:disabled):active{color:#d48806;background:0 0}.cuser-membership-entry.ant-btn{margin-inline-end:8px}.cuser-content{flex:1;min-height:0}.cuser-maintenance{min-height:calc(100vh - var(--cuser-header-height));background:var(--cuser-page-bg);place-items:center;display:grid}.cuser-layout-detail .cuser-content{overflow:hidden}.cuser-footer{text-align:center;padding:24px}.membership-activity-page{width:min(1180px,100% - 48px);margin:0 auto;padding:32px 0 48px}.membership-activity-banner{width:100%;height:auto;display:block}.membership-activity-hero{overflow:hidden}.membership-activity-intro{width:100%;padding:32px}.membership-activity-contact{top:calc(var(--cuser-header-height) + 24px);position:sticky}.membership-activity-qr{width:min(100%,260px);height:auto;display:block}.problemset-page{width:100%;margin:0;padding:24px 24px 48px 0}.question-detail-layout{grid-template-columns:var(--question-navigation-width) minmax(0, 1fr) 280px;width:100%;height:calc(100vh - var(--cuser-header-height));background:var(--cuser-page-bg);grid-template-rows:auto minmax(0,1fr);column-gap:12px;min-height:0;padding:0 24px 0 0;display:grid;overflow:hidden}.question-detail-page{box-sizing:border-box;width:100%;height:100%;min-height:0;padding:0;overflow-y:auto}.question-detail-page-workbench{flex-direction:column;display:flex;position:relative;overflow:hidden}.question-detail-loading{width:100%;height:100%;min-height:320px;display:flex}.question-detail-switch-loading,.question-detail-switch-loading>.ant-spin-container{width:100%;height:100%;min-height:0}.question-detail-skeleton-card{width:100%;height:100%}.question-detail-skeleton-tags{margin-bottom:20px}.question-detail-toolbar{grid-area:1/2;justify-content:space-between;align-items:center;gap:16px;width:min(100%,1400px);margin:0 auto;padding:32px 0 16px;display:flex}.question-detail-workspace{box-sizing:border-box;grid-area:2/2;width:min(100%,1400px);min-height:0;margin:0 auto;padding:16px 0}.question-navigation-sider{top:var(--cuser-header-height);height:calc(100vh - var(--cuser-header-height));border-right:1px solid var(--cuser-border-color);flex-direction:column;grid-row:1/-1;display:flex;position:sticky!important;overflow:visible!important}.question-navigation-heading{gap:4px;padding:12px 16px;display:grid}.question-navigation-list{flex:1;min-height:0;overflow-y:auto}.question-navigation-loading{color:var(--ant-color-text-secondary);justify-content:center;gap:8px;padding:16px;font-size:13px;display:flex}.question-navigation-loading-initial{align-items:center;min-height:160px}.question-navigation-question-active{color:#262626;font-weight:700}.question-navigation-question{justify-content:space-between;align-items:center;gap:8px;display:flex}.question-navigation-question-title{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.question-navigation-resizer{cursor:col-resize;-webkit-user-select:none;user-select:none;touch-action:none;width:10px;height:100%;position:absolute;top:0;right:-5px}.question-navigation-resizer:after{content:"";background:var(--cuser-border-color);border-radius:999px;width:2px;height:40px;transition:background .2s;position:absolute;top:50%;left:4px;transform:translateY(-50%)}.question-navigation-resizer:hover:after{background:var(--ant-color-text-secondary)}.question-navigation-edge-trigger{z-index:20;border-radius:0 10px 10px 0;width:32px;height:72px;animation:2s ease-in-out infinite question-navigation-breathe;position:fixed;top:50%;left:0;transform:translateY(-50%)}@keyframes question-navigation-breathe{0%,to{box-shadow:0 0 #52525b29}50%{box-shadow:0 0 0 8px #52525b00}}:root[data-theme=dark] .question-navigation-question-active{color:#f4f4f5}.problemset-page{grid-template-columns:clamp(200px,18vw,280px) minmax(0,1fr) clamp(200px,18vw,260px);gap:clamp(20px,2vw,32px);display:grid}.wrong-question-book-page{width:100%;height:calc(100vh - var(--cuser-header-height));background:var(--cuser-page-bg);box-sizing:border-box;grid-template-columns:clamp(260px,22vw,360px) minmax(0,1fr) clamp(220px,18vw,280px);gap:clamp(20px,2vw,32px);min-height:0;padding:0 24px 0 0;display:grid;overflow:hidden}.wrong-question-book-navigation{border-right:1px solid var(--cuser-border-color);min-height:0;padding:16px;overflow:hidden}.question-navigation-sider>.ant-layout-sider-children{flex-direction:column;height:100%;display:flex}.wrong-question-book-navigation-layout{height:100%;min-height:0}.wrong-question-book-filter-panel{flex:none}.wrong-question-book-list-scroll{flex:auto;min-height:0;overflow-y:auto}.wrong-question-book-content{box-sizing:border-box;justify-self:center;width:min(100%,1400px);min-height:0;padding:16px 0;overflow-y:auto}.wrong-question-book-aside{border-left:1px solid var(--cuser-border-color);min-height:0;padding:16px 16px 0;overflow-y:auto}.wrong-question-book-menu-item-zebra{background:var(--ant-color-fill-quaternary)}.wrong-question-book-menu-item-white{background:var(--ant-color-bg-container)}.wrong-question-book-navigation .ant-menu-item,.wrong-question-book-navigation .ant-menu-title-content,.wrong-question-book-menu-title{min-width:0}.wrong-question-book-navigation .ant-menu-title-content,.wrong-question-book-menu-title-text{width:100%;display:block;overflow:hidden}.wrong-question-book-menu-title-text{text-overflow:ellipsis;white-space:nowrap}@media (width>=769px){.question-detail-layout-program .question-detail-toolbar,.question-detail-layout-program .question-detail-workspace{grid-column:2/4;width:min(100%,1600px)}}.program-submission-history-layout{grid-template-columns:300px minmax(0,1fr);gap:20px;height:100%;min-height:0;display:grid}.program-submission-history-list,.program-submission-history-detail{min-width:0;min-height:0;overflow-y:auto}.program-submission-history-list{border-right:1px solid var(--cuser-border-color);padding-right:20px}.program-submission-history-list>.ant-flex{margin-bottom:12px}.program-submission-history-list .ant-menu{border-inline-end:0}.program-submission-history-detail{padding-right:4px}.wrong-question-book-menu-meta{flex-shrink:0;align-items:flex-end}.wrong-question-book-menu-meta>span{align-items:flex-end;height:22px;display:inline-flex}.wrong-question-book-menu-meta .ant-tag{margin-inline-end:0}.wrong-question-book-note-card .ant-card-body{min-height:260px}.resource-sidebar{border-right:1px solid var(--cuser-border-color);align-self:start;padding:0 16px;position:sticky;top:24px}.problemset-content{justify-self:center;width:min(100%,1300px)}.problemset-skeleton{gap:24px;display:grid}.problemset-skeleton-promotion{width:100%;height:166px}.problemset-skeleton-modules{min-height:40px}.problemset-skeleton-module{width:104px}.problemset-skeleton-toolbar{border-bottom:1px solid var(--cuser-border-color);justify-content:space-between;align-items:center;gap:16px;padding-bottom:16px;display:flex}.problemset-skeleton-toolbar .ant-skeleton-input{width:220px}.problemset-skeleton-questions .ant-skeleton-paragraph{gap:0;display:grid}.problemset-skeleton-questions .ant-skeleton-paragraph>li{border-radius:0;height:54px;margin:0;width:100%!important}.learning-aside{align-self:start}.learning-panel{gap:16px;display:grid}.daily-ranking-row{border-radius:var(--ant-border-radius-sm);cursor:default;-webkit-user-select:none;user-select:none;min-height:28px;margin:0 -6px;padding:2px 6px}.daily-ranking-row-current{background:var(--ant-color-primary-bg)}.daily-ranking-self-tag{flex:none;margin-inline-end:0;padding-inline:5px;line-height:18px}.daily-ranking-self-section{border-top:1px dashed var(--ant-color-border-secondary);margin-top:10px;padding-top:8px}.daily-ranking-self-label{margin-bottom:4px;font-size:12px;display:block}.ranking-vip-email{color:#b8860b;-webkit-text-fill-color:transparent;background-image:linear-gradient(90deg,#9d7200 0%,#d4af37 17%,#ffe066 24%,gold 28%,#d4af37 34%,#9d7200 50%,#d4af37 67%,#ffe066 74%,gold 78%,#d4af37 84%,#9d7200 100%);background-position:0;background-size:200% 100%;-webkit-background-clip:text;background-clip:text;max-width:100%;font-weight:600;animation:3.2s linear infinite ranking-vip-email-shimmer;display:inline-block}:root[data-theme=dark] .ranking-vip-email{background-image:linear-gradient(90deg,#c99a16 0%,#f0c94d 17%,#ffe066 24%,gold 28%,#f0c94d 34%,#c99a16 50%,#f0c94d 67%,#ffe066 74%,gold 78%,#f0c94d 84%,#c99a16 100%)}@keyframes ranking-vip-email-shimmer{0%{background-position:100%}to{background-position:0}}.problemset-aside-edge-trigger{display:none}.learning-month-label{text-align:center;min-width:80px;display:inline-block}.learning-heatmap{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;display:grid}.learning-heatmap-cell,.learning-heatmap-blank{aspect-ratio:1;place-items:center;min-width:0;display:grid}.learning-heatmap-cell{border-radius:2px;font-size:12px}.learning-heatmap-level-0{background:var(--cuser-stripe-bg)}.learning-heatmap-level-1{background:#d9f7be}.learning-heatmap-level-2{background:#b7eb8f}.learning-heatmap-level-3{background:#73d13d}.learning-heatmap-level-4{color:#fff;background:#389e0d}.learning-heatmap-level-5{color:#fff;background:#135200}.learning-heatmap-legend{justify-content:flex-end;margin-top:12px;display:flex}.learning-heatmap-legend .learning-heatmap-cell{width:12px;min-width:12px}:root[data-theme=dark] .learning-heatmap-level-1{color:#10220a;background:#d9f7be}:root[data-theme=dark] .learning-heatmap-level-2{color:#10220a;background:#b7eb8f}:root[data-theme=dark] .learning-heatmap-level-3{color:#10220a;background:#73d13d}:root[data-theme=dark] .learning-heatmap-level-4{color:#fff;background:#389e0d}:root[data-theme=dark] .learning-heatmap-level-5{color:#fff;background:#135200}.resource-sidebar h4{margin-top:0}.pinned-resource-login{margin:8px 0 16px}.pinned-resource-content{margin-top:8px;display:block}.resource-package-heading{margin:20px 0 8px;display:block}.resource-menu-label{justify-content:space-between;align-items:center;gap:8px;min-width:0;height:100%;font-weight:600;display:flex}.resource-menu-name{min-width:0}.resource-package-leading-menu{margin-bottom:20px}.resource-menu-pin{opacity:0;pointer-events:none;transition:opacity .2s}.resource-menu-label:hover .resource-menu-pin,.resource-menu-pin-pinned,.resource-menu-pin:focus-visible{opacity:1;pointer-events:auto}@media (hover:none){.resource-menu-pin{opacity:1;pointer-events:auto}}.problemset-heading{justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px;display:flex}.promotion-strip{margin-bottom:24px;position:relative}.promotion-strip-track{scroll-behavior:smooth;scrollbar-width:none;gap:16px;width:100%;display:flex;overflow-x:auto}.promotion-strip-track::-webkit-scrollbar{display:none}.promotion-strip-image{aspect-ratio:2.1;object-fit:cover;border-radius:14px;width:100%;height:auto;display:block}.promotion-strip-link{aspect-ratio:2.1;cursor:pointer;background:0 0;border:0;flex:1 0 calc(25% - 12px);min-width:220px;max-width:calc(25% - 12px);padding:0;display:block;position:relative;overflow:hidden}.promotion-strip-skeleton{position:absolute;inset:0}.promotion-strip-image{opacity:0;transition:opacity .2s}.promotion-strip-image-loaded{opacity:1}.promotion-strip-arrow{z-index:1;opacity:0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff52;border-color:#ffffff7a;transition:background .2s,opacity .2s;position:absolute;top:50%;transform:translateY(-50%);box-shadow:0 2px 10px #0000001f}.promotion-strip:hover .promotion-strip-arrow{opacity:1}.promotion-strip-arrow:hover{background:#ffffff80}.promotion-strip-arrow-left{left:12px}.promotion-strip-arrow-right{right:12px}.problemset-heading h2{margin:0}.module-filter{margin-bottom:24px}.problemset-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:0 0 8px;display:flex}.problemset-toolbar-filters{min-width:0}.problemset-toolbar-actions{flex:420px;justify-content:flex-end;min-width:0}.problemset-search,.exam-paper-search{border-width:2px;border-radius:10px;flex:200px;width:min(320px,100%);min-width:0;max-width:100%}.problemset-filter-panel{flex-direction:column;gap:14px;width:420px;max-width:calc(100vw - 32px);display:flex}.problemset-filter-row{grid-template-columns:72px 112px minmax(0,1fr);align-items:center;gap:8px;display:grid}.problemset-filter-actions{justify-content:flex-end}.problemset-table .cuser-question-row-even>td{background:var(--cuser-stripe-bg)}.problemset-table{border-radius:0}.problemset-table .ant-table{background:0 0}.problemset-table .ant-table-container table{border-spacing:0 6px}.problemset-table .ant-table-tbody>tr>td{background:var(--ant-color-bg-container);border-bottom:0}.problemset-table .ant-table-tbody>.cuser-question-row-even>td{background:var(--cuser-stripe-bg)}.problemset-table .ant-table-tbody>tr>td:first-child{border-radius:6px 0 0 6px}.problemset-table .ant-table-tbody>tr>td:last-child{border-radius:0 6px 6px 0}.question-load-more{justify-content:center;gap:8px;padding:20px 0;display:flex}.program-case{margin-top:16px}.question-detail-card{margin:0}.question-content-tags{margin-bottom:16px}.question-content-title{margin:0 0 16px!important}.question-workbench-splitter{border:1px solid var(--ant-color-border-secondary);border-radius:var(--ant-border-radius-lg);flex:1;min-height:0;margin-top:0;overflow:hidden}.program-question-expand-trigger{z-index:4;border-radius:0 10px 10px 0;width:32px;height:72px;padding:0;animation:2s ease-in-out infinite question-navigation-breathe;position:absolute;top:50%;left:0;transform:translateY(-50%)}.question-content-pane,.question-answer-pane{border-radius:var(--ant-border-radius-lg);border:0;height:100%;overflow:hidden}.question-workbench-splitter.ant-splitter-horizontal>.ant-splitter-panel:first-child .question-content-pane{border-radius:var(--ant-border-radius-lg) 0 0 var(--ant-border-radius-lg)}.question-workbench-splitter.ant-splitter-horizontal>.ant-splitter-panel:last-child .question-answer-pane{border-radius:0 var(--ant-border-radius-lg) var(--ant-border-radius-lg) 0}.question-workbench-splitter.ant-splitter-vertical>.ant-splitter-panel:first-child .question-content-pane{border-radius:var(--ant-border-radius-lg) var(--ant-border-radius-lg) 0 0}.question-workbench-splitter.ant-splitter-vertical>.ant-splitter-panel:last-child .question-answer-pane{border-radius:0 0 var(--ant-border-radius-lg) var(--ant-border-radius-lg)}.question-content-pane .ant-card-body,.question-answer-pane .ant-card-body{box-sizing:border-box;height:100%}.question-content-pane .ant-card-body{flex-direction:column;padding-left:12px;padding-right:16px;display:flex;overflow:hidden}.question-content-pane .question-content-layout{flex:1}.question-content-layout{flex-direction:column;height:100%;min-height:0;display:flex}.question-content-scroll{box-sizing:border-box;flex:1;min-height:0;padding-bottom:56px;padding-right:12px;overflow-y:auto}.question-content-scroll-compact{padding-bottom:0}.question-detail-action-bar{z-index:1;border-top:1px solid var(--ant-color-border-secondary);background:var(--ant-color-bg-container);flex:none;justify-content:flex-end;align-items:center;min-height:40px;margin-top:4px;padding-top:4px;display:flex;position:relative}.question-content-pane .question-detail-action-bar{margin-top:0;padding-bottom:0}.question-wrong-book-tag{height:24px;font-size:var(--ant-font-size);color:var(--ant-color-text);background:0 0;align-items:center;gap:4px;margin-inline-end:0;padding-inline:8px;line-height:22px;display:inline-flex}.question-wrong-book-tag:hover{background:var(--ant-color-primary-bg-hover);color:var(--ant-color-text)!important}.question-wrong-book-tag-active{background:0 0;color:var(--ant-color-text)!important}.question-wrong-book-tag-active:hover{background:var(--ant-color-primary-bg-hover);color:var(--ant-color-text)!important}.question-wrong-book-tag-active .question-wrong-book-tag-icon{color:var(--ant-color-warning)}.question-wrong-book-tag-icon{align-items:center;display:inline-flex}.wrong-question-note-character-count{text-align:right;margin-top:8px}.question-answer-pane .question-answer-panel{margin-top:0}.program-editor-toolbar{justify-content:space-between;align-items:center;gap:12px;display:flex}.program-answer-content{--program-submit-dock-height:64px;isolation:isolate;flex-direction:column;width:100%;height:100%;min-height:0;display:flex;position:relative;overflow:hidden}.question-answer-pane .ant-card-body{overflow:hidden}.program-answer-content-collapsible{min-height:620px}.program-editor-content{min-height:0;padding-bottom:calc(var(--program-submit-dock-height) + 8px);flex-direction:column;flex:1;gap:12px;display:flex}.program-editor-workspace,.program-editor-loading,.program-editor-workspace>.ant-spin-nested-loading,.program-editor-workspace>.ant-spin-nested-loading>.ant-spin-container{flex:1;width:100%;height:100%;min-height:0}.program-editor-loading{justify-content:center;align-items:center;display:flex}.program-exam-editor{resize:none;min-height:480px;height:100%!important}.program-draft-status,.program-draft-status .ant-badge-status-text{font-size:12px}.program-submit-dock{z-index:11;min-height:var(--program-submit-dock-height);border-top:1px solid var(--ant-color-border-secondary);background:var(--ant-color-bg-container);grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding:4px 0;display:grid;position:absolute;bottom:0;left:0;right:0}.program-result-overlay{right:0;bottom:var(--program-submit-dock-height);z-index:10;background:var(--ant-color-bg-container);height:0;transition:height .24s;position:absolute;left:0;overflow:hidden}.program-result-overlay-expanded{height:calc(100% - var(--program-submit-dock-height))}.program-result-overlay .question-answer-result{box-sizing:border-box;height:100%;max-height:none;margin:0;padding:20px 8px 20px 0}.program-submit-status{white-space:nowrap;min-width:0;overflow:hidden}.program-final-status-message{transform-origin:0;animation:.48s cubic-bezier(.34,1.56,.64,1) program-final-status-enter;display:inline-block}@keyframes program-final-status-enter{0%{opacity:0;transform:translateY(10px)scale(.92)}58%{opacity:1;transform:translateY(-3px)scale(1.03)}to{opacity:1;transform:translateY(0)scale(1)}}@media (prefers-reduced-motion:reduce){.program-final-status-message{animation:none}}.program-result-toggle-slot{justify-content:center;align-items:center;min-width:32px;display:inline-flex}.program-submit-button{justify-self:end}.question-submission-static-dot{background:var(--ant-color-info);border-radius:50%;width:8px;height:8px;display:inline-block}.review-plan-disabled-action{width:100%;display:block}.review-plan-disabled-action .ant-btn{width:100%}.program-exam-editor,.submission-code{font-family:Consolas,Courier New,monospace;line-height:1.6}.question-submission-card{width:100%}.question-submission-aside{box-sizing:border-box;flex-direction:column;grid-area:2/3;align-items:flex-start;gap:12px;height:100%;padding:16px 0 0 8px;display:flex;overflow-y:auto}.question-submission-history{min-height:80px;max-height:min(480px,100vh - 220px);overflow-y:auto}.question-submission-timeline-item{cursor:pointer}.question-submission-loading{justify-content:center;gap:8px;padding:12px 0;display:flex}.program-case pre{white-space:pre-wrap}.question-description,.question-options,.question-answer-panel{font-size:16px;line-height:1.8}.question-options{margin:24px 0}.question-option{gap:8px;padding:12px 0;display:flex}.question-answer-bar{justify-content:space-between;align-items:center;gap:16px;margin-top:24px;display:flex}.question-answer-panel{gap:16px;margin-top:32px;display:grid}.question-answer-panel-program{height:100%;min-height:0;margin-top:8px;display:block}.question-answer-panel h4{margin:0}.question-answer-result{overscroll-behavior:contain;max-height:min(360px,45vh);margin-top:8px;padding-right:4px;overflow-y:auto}.question-answer-result-reading{max-height:none;padding-right:0;overflow:visible}.reading-answer-section{gap:4px;display:grid}.reading-answer-list{width:100%}.reading-answer-item{border-bottom:1px solid var(--ant-color-border-secondary);padding:4px 0 24px}.reading-answer-item+.reading-answer-item{padding-top:24px}.reading-answer-item-number{width:26px;height:26px;color:var(--ant-color-text);background:var(--ant-color-fill-secondary);border:1px solid var(--ant-color-border);border-radius:50%;flex:none;place-items:center;display:inline-grid}.reading-answer-item-content{gap:16px;display:grid}.reading-answer-question-prompt{flex-wrap:wrap;align-items:flex-start;gap:8px;min-width:0;display:flex}.reading-answer-item-description{flex:280px;min-width:0;font-size:16px;line-height:1.8}.reading-question-options{gap:6px;width:100%;display:grid}.reading-question-option{border-radius:var(--ant-border-radius);width:100%;min-height:40px;padding:8px 10px;margin-inline-start:0!important}.reading-question-option:hover{background:var(--ant-color-fill-tertiary)}.reading-blank-answers{width:100%}.reading-judge-options{flex:none;align-items:center;gap:24px;min-height:29px;display:flex}.reading-result-list{border-top:1px solid var(--ant-color-border-secondary)}.reading-result-item{border-bottom:1px solid var(--ant-color-border-secondary);padding:16px 0}.reading-result-item:last-child,.reading-answer-item:last-child{border-bottom:0}.question-error-log{gap:4px;display:grid}.question-error-log .ant-typography{margin-bottom:0;line-height:1.6}.question-error-log-collapsed{max-height:12.8em;overflow:hidden}.question-program-judging{min-height:96px}.page-empty{place-items:center;min-height:50vh;display:grid}.question-detail-page>.page-empty{height:100%;min-height:0}.auth-page{place-items:center;min-height:100vh;padding:24px;display:grid}.forgot-password-page{align-content:center;justify-items:center;min-height:100vh;padding:24px;display:grid}.forgot-password-page>.ant-btn{position:fixed;top:24px;left:24px}.forgot-password-card{width:min(100%,520px)}.forgot-password-form{margin-top:32px}.auth-back{cursor:pointer;background:0 0;border:0;padding:8px;position:fixed;top:24px;left:24px}.auth-card{width:min(100%,420px)}.auth-brand-logo{object-fit:contain;width:42px;height:42px}.captcha-field{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.captcha-image{cursor:pointer;background:0 0;border:0;width:120px;height:40px;padding:0;overflow:hidden}.captcha-image img{width:100%;height:100%;display:block}.auth-switch{text-align:center;margin-top:20px}@media (width<=640px){.cuser-header{gap:8px;padding:0 12px}.cuser-header-start{gap:8px}.cuser-brand-label,.cuser-membership-label,.cuser-register-action,.cuser-header-secondary-action{display:none}.cuser-brand-logo{width:28px;height:28px}.cuser-membership-entry.ant-btn{width:32px;margin-inline-end:0;padding-inline:8px!important}.cuser-header-actions{gap:4px!important}.cuser-user-email{max-width:96px;padding-inline:4px}.cuser-user-email-label{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.cuser-login-action{padding-inline:8px}.cuser-login-label{display:none}.problemset-page,.question-detail-layout{grid-template-columns:var(--question-navigation-width) minmax(0, 1fr);width:100%;padding:16px}.question-detail-page{padding-top:16px}.question-detail-page-workbench{display:block;overflow-y:auto}.question-navigation-sider{z-index:10;position:fixed!important}.question-submission-aside{display:none}.question-workbench-splitter{flex:none;height:auto;overflow:visible}.wrong-question-note-page{width:calc(100% - 32px);margin:16px auto}.question-content-pane,.question-answer-pane,.question-content-pane .ant-card-body,.question-answer-pane .ant-card-body{height:auto;overflow:visible}.problemset-page{grid-template-columns:1fr;gap:20px;width:100%;padding:16px}.problemset-content{width:100%}.resource-sidebar,.learning-aside{position:static}.problemset-toolbar{flex-direction:column;align-items:stretch}.problemset-search{width:100%}.promotion-strip-link{flex-basis:min(78vw,320px);min-width:min(78vw,320px);max-width:min(78vw,320px)}.promotion-strip-arrow-left{left:8px}.promotion-strip-arrow-right{right:8px}.learning-section-heading,.question-answer-bar{flex-direction:column;align-items:stretch}.reading-question-option{padding-inline:4px}.captcha-field{grid-template-columns:1fr}}@media (width<=1180px){.problemset-page{grid-template-columns:clamp(200px,24vw,280px) minmax(0,1fr)}.learning-aside{display:none}.problemset-learning-edge-trigger{z-index:20;border-radius:10px 0 0 10px;width:32px;height:72px;animation:2s ease-in-out infinite question-navigation-breathe;display:inline-flex;position:fixed;top:50%;right:0;transform:translateY(-50%)}.review-plan-page{grid-template-columns:minmax(0,1fr)}.review-plan-content{grid-column:1}.review-plan-aside{display:none}.review-plan-calendar-edge-trigger{z-index:20;border-radius:10px 0 0 10px;width:32px;height:72px;animation:2s ease-in-out infinite question-navigation-breathe;display:inline-flex;position:fixed;top:50%;right:0;transform:translateY(-50%)}}@media (width<=920px){.problemset-page{grid-template-columns:minmax(0,1fr);padding-left:24px}.resource-sidebar{display:none}.review-plan-page{padding:16px}.problemset-resource-edge-trigger{z-index:20;border-radius:0 10px 10px 0;width:32px;height:72px;animation:2s ease-in-out infinite question-navigation-breathe;display:inline-flex;position:fixed;top:50%;left:0;transform:translateY(-50%)}}.content-protected{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.cuser-simple-page{width:min(100% - 48px,1200px);margin:32px auto}.wrong-question-note-page{width:min(100% - 48px,1440px)}.wrong-question-note-workspace{gap:20px;display:grid}.wrong-question-note-question,.wrong-question-note-writing{min-width:0}.wrong-question-note-question .question-content-scroll{padding-bottom:0;overflow:visible}.wrong-question-note-writing .ant-card-body{padding-top:12px}.wrong-question-note-editor .bn-root{--bn-colors-editor-text:#1f2329;--bn-colors-editor-background:#fff;--bn-colors-menu-text:#1f2329;--bn-colors-menu-background:#fff;--bn-colors-tooltip-text:#f7f7f8;--bn-colors-tooltip-background:#2f3337;--bn-colors-hovered-text:#1f2329;--bn-colors-hovered-background:#f5f6f7;--bn-colors-selected-text:#1f2329;--bn-colors-selected-background:#e8ebef;--bn-colors-disabled-text:#8f959e;--bn-colors-disabled-background:#f5f6f7;--bn-colors-shadow:#0f172a24;--bn-colors-border:#dee2e6;--bn-colors-side-menu:#8f959e;--bn-colors-highlights-gray-text:#52525b;--bn-colors-highlights-gray-background:#f1f2f4;--bn-colors-highlights-brown-text:#7a4a31;--bn-colors-highlights-brown-background:#f7eee8;--bn-colors-highlights-red-text:#b4232c;--bn-colors-highlights-red-background:#fff0f1;--bn-colors-highlights-orange-text:#ad4e00;--bn-colors-highlights-orange-background:#fff3e5;--bn-colors-highlights-yellow-text:#806000;--bn-colors-highlights-yellow-background:#fff8d8;--bn-colors-highlights-green-text:#176b49;--bn-colors-highlights-green-background:#eaf7f0;--bn-colors-highlights-blue-text:#1d5f9f;--bn-colors-highlights-blue-background:#edf5ff;--bn-colors-highlights-purple-text:#6938a7;--bn-colors-highlights-purple-background:#f4effb;--bn-colors-highlights-pink-text:#a33569;--bn-colors-highlights-pink-background:#fceef5;--bn-border-radius:8px;--bn-font-family:"Inter", "PingFang SC", "Microsoft YaHei", sans-serif}[data-theme=dark] .wrong-question-note-editor .bn-root{--bn-colors-editor-text:#d0d6e0;--bn-colors-editor-background:#18181b;--bn-colors-menu-text:#f2f4f7;--bn-colors-menu-background:#222327;--bn-colors-tooltip-text:#fafafa;--bn-colors-tooltip-background:#303238;--bn-colors-hovered-text:#f2f4f7;--bn-colors-hovered-background:#2a2c31;--bn-colors-selected-text:#fff;--bn-colors-selected-background:#373a40;--bn-colors-disabled-text:#777d87;--bn-colors-disabled-background:#222327;--bn-colors-shadow:#0000007a;--bn-colors-border:#34363d;--bn-colors-side-menu:#8b919b;--bn-colors-highlights-gray-text:#d4d4d8;--bn-colors-highlights-gray-background:#35363b;--bn-colors-highlights-brown-text:#edb896;--bn-colors-highlights-brown-background:#4b3429;--bn-colors-highlights-red-text:#ff9da2;--bn-colors-highlights-red-background:#4c272b;--bn-colors-highlights-orange-text:#ffc078;--bn-colors-highlights-orange-background:#493321;--bn-colors-highlights-yellow-text:#ead77a;--bn-colors-highlights-yellow-background:#45401f;--bn-colors-highlights-green-text:#83d6ad;--bn-colors-highlights-green-background:#244536;--bn-colors-highlights-blue-text:#91c5ff;--bn-colors-highlights-blue-background:#243b55;--bn-colors-highlights-purple-text:#c7a9f4;--bn-colors-highlights-purple-background:#3d2e52;--bn-colors-highlights-pink-text:#f3a7ce;--bn-colors-highlights-pink-background:#4a2b3c}.wrong-question-note-editor .bn-editor{padding-inline:8px}@media (width<=768px){.program-submission-history-layout{grid-template-rows:minmax(120px,32%) minmax(0,1fr);grid-template-columns:minmax(0,1fr)}.program-submission-history-list{border-right:0;border-bottom:1px solid var(--cuser-border-color);padding-bottom:12px;padding-right:0}}.program-answer-content-collapsible .program-exam-editor{min-height:560px}.wrong-question-note-editor .bn-block-content[data-content-type=codeBlock]{color:var(--shiki-light,var(--ant-color-text));background-color:var(--shiki-light-bg,var(--ant-color-fill-tertiary));border:1px solid var(--ant-color-border-secondary)}.wrong-question-note-editor .bn-block-content[data-content-type=codeBlock] .shiki{color:var(--shiki-light,var(--ant-color-text))}.wrong-question-note-editor .bn-block-content[data-content-type=codeBlock]>div>select{color:var(--ant-color-text);transition:none;opacity:1!important}.wrong-question-note-editor .bn-block-content[data-content-type=codeBlock]>div>select:disabled{cursor:default}.wrong-question-note-editor--readonly .bn-block-content[data-content-type=codeBlock]>div>select:has(option[value=text]:checked){display:none}[data-theme=dark] .wrong-question-note-editor .bn-block-content[data-content-type=codeBlock]{color:var(--shiki-dark,var(--ant-color-text));background-color:var(--shiki-dark-bg,var(--ant-color-fill-tertiary))}[data-theme=dark] .wrong-question-note-editor .bn-block-content[data-content-type=codeBlock] .shiki{color:var(--shiki-dark,var(--ant-color-text))!important}.exam-page{width:min(1300px,100% - 48px);margin:0 auto;padding:32px 0 48px}.material-page{grid-template-columns:clamp(200px,18vw,280px) minmax(0,1fr) clamp(200px,18vw,260px);gap:clamp(20px,2vw,32px);width:100%;padding:24px 24px 48px 0;display:grid}.material-resource-sidebar{border-right:1px solid var(--cuser-border-color);align-self:start;min-width:0;padding:0 16px;position:sticky;top:24px}.material-resource-sidebar .resource-package-menu,.exam-resource-sidebar .resource-package-menu{background:0 0;border-inline-end:0}.material-resource-sidebar .resource-menu-label,.exam-resource-sidebar .resource-menu-label{min-width:0}.material-resource-title{margin:4px 12px 12px;display:block}.material-resource-menu{background:0 0!important;border-inline-end:0!important}.material-resource-menu .ant-menu-title-content,.material-resource-menu .ant-flex{min-width:0}.material-content{justify-self:center;width:min(100%,1300px);min-width:0}.material-page-heading{gap:16px;margin-bottom:20px}.material-page-heading .ant-typography{margin-bottom:0}.material-mobile-catalog-trigger{display:none}.material-module-count{opacity:.72;margin-inline-start:8px}.material-toolbar{border-bottom:1px solid var(--cuser-border-color);margin:20px 0 8px;padding-bottom:16px}.material-search{width:min(320px,100%)}.material-list{background:0 0;gap:12px;margin:0;padding:0}.material-list-link{color:inherit;text-decoration:none}.material-list-link:focus-visible{outline:2px solid var(--ant-color-primary-border);outline-offset:2px;border-radius:var(--ant-border-radius-lg)}.material-list-card{width:100%}.material-list-item{min-width:0}.material-list-main{flex:1;min-width:0}.material-list-title{min-width:0;margin-bottom:8px}.material-list-title h4{min-width:0;margin:0}.material-list-title .ant-tag{flex:none;margin-inline-end:0}.material-list-summary.ant-typography{min-height:44px;margin-bottom:10px}.material-meta{font-size:13px}.material-pagination{margin-top:24px}.material-page-skeleton{gap:24px;display:grid}.material-list-loading{min-height:220px}.material-detail-page{width:100%;height:calc(100vh - var(--cuser-header-height));background:var(--ant-color-bg-container);grid-template-rows:auto minmax(0,1fr);grid-template-columns:clamp(200px,18vw,280px) minmax(0,1fr) clamp(200px,18vw,260px);column-gap:clamp(20px,2vw,32px);padding-right:24px;display:grid;overflow:hidden}.material-detail-back-top.ant-float-btn{inset-inline-end:calc(72px + env(safe-area-inset-right))}.material-detail-toolbar{border-bottom:1px solid var(--cuser-border-color);grid-area:1/2;justify-self:center;width:min(100%,1300px);min-width:0;padding:14px 0}.material-detail-back-link{color:var(--ant-color-text);align-items:center;gap:8px;display:inline-flex}.material-detail-back-link:hover{color:var(--ant-color-text)}.material-detail-reader{scrollbar-gutter:stable;grid-area:2/2;justify-self:center;width:min(100%,1300px);min-width:0;min-height:0;padding-inline-end:clamp(16px,1.5vw,24px);overflow-y:auto}.material-article-cover{object-fit:cover;border-radius:var(--ant-border-radius-lg);width:100%;max-height:360px;margin-top:32px;display:block}.material-reading-column{width:100%;padding:clamp(40px,5vw,64px) 0 80px}.material-article-header{margin-top:0}.material-article-tags,.material-article-meta{width:100%}.material-article-header h1{letter-spacing:-.02em;text-wrap:balance;max-width:18em;margin:18px 0 16px;font-size:clamp(32px,3.2vw,44px);line-height:1.22}.material-article-summary.ant-typography{text-wrap:pretty;max-width:66ch;margin-bottom:20px;font-size:17px;line-height:1.8}.material-article-body{--material-reading-text:#1f2329;--material-reading-heading:#1f2329;--material-reading-secondary:#646a73;--material-reading-link:#1677ff;--material-reading-link-hover:#0958d9;--material-reading-muted-surface:#f7f8fa;--material-reading-rule:#e8eaee;--material-reading-quote-border:#b6bec9;min-height:320px;color:var(--material-reading-text);font-size:16px;line-height:1.625}[data-theme=dark] .material-article-body{--material-reading-text:#d0d6e0;--material-reading-heading:#f2f4f7;--material-reading-secondary:#9ba2ad;--material-reading-link:#69b1ff;--material-reading-link-hover:#91caff;--material-reading-muted-surface:#222327;--material-reading-rule:#34353a;--material-reading-quote-border:#555a64;color:var(--material-reading-text)}.material-article-body h1{color:var(--material-reading-heading);margin:40px 0 16px;scroll-margin-top:24px;font-size:30px;font-weight:600;line-height:1.35}.material-article-body h2{color:var(--material-reading-heading);margin:32px 0 12px;scroll-margin-top:24px;font-size:24px;font-weight:600;line-height:1.35}.material-article-body h3{color:var(--material-reading-heading);margin:24px 0 10px;scroll-margin-top:24px;font-size:20px;font-weight:600;line-height:1.4}.material-article-body .wrong-question-note-editor .bn-container{font-size:16px}.material-article-body .wrong-question-note-editor .bn-editor{width:100%;max-width:none;color:var(--material-reading-text);background:0 0;margin:0;padding-inline:0;font-size:16px;line-height:1.625}.material-article-body .wrong-question-note-editor--readonly .bn-block-content[data-content-type=paragraph]{padding-block:4px}.material-article-body .wrong-question-note-editor--readonly a{color:var(--material-reading-link);-webkit-text-decoration-color:color-mix(in srgb, var(--material-reading-link) 42%, transparent);text-decoration-color:color-mix(in srgb, var(--material-reading-link) 42%, transparent);text-underline-offset:3px}.material-article-body .wrong-question-note-editor--readonly a:hover{color:var(--material-reading-link-hover);text-decoration-color:currentColor}.material-article-body .wrong-question-note-editor--readonly blockquote{background:var(--material-reading-muted-surface);border:0;border-left:3px solid var(--material-reading-quote-border);color:var(--material-reading-secondary);margin-block:20px;padding:12px 16px}.material-article-body .wrong-question-note-editor--readonly hr{border-color:var(--material-reading-rule);margin-block:32px}.material-article-body .wrong-question-note-editor--readonly li+li{margin-top:6px}.material-article-body .wrong-question-note-editor--readonly li::marker{color:var(--material-reading-secondary)}.material-article-body .wrong-question-note-editor--readonly table{border-color:var(--material-reading-rule);width:100%}.material-article-body .wrong-question-note-editor--readonly th{color:var(--material-reading-heading);background:var(--material-reading-muted-surface);font-weight:600}.material-article-body .wrong-question-note-editor--readonly th,.material-article-body .wrong-question-note-editor--readonly td{border-color:var(--material-reading-rule);padding:10px 12px}.material-attachments{margin-top:32px}.material-detail-toc{border-right:1px solid var(--cuser-border-color);grid-area:1/1/3;align-self:stretch;min-width:0;height:100%;padding:14px 20px 48px 24px;overflow-y:auto}.material-detail-outline{flex-direction:column;gap:8px;display:flex}.material-detail-outline-title{margin-bottom:4px}.material-toc-divider{margin-block:12px}.material-detail-outline-trigger{display:none}.material-toc-level-2{padding-inline-start:12px}.material-toc-level-3{padding-inline-start:24px}.material-detail-state{min-height:calc(100vh - var(--cuser-header-height));place-items:center;display:grid}.review-plan-page{grid-template-columns:clamp(210px,18vw,280px) minmax(0,1fr) clamp(200px,18vw,260px);gap:clamp(20px,2vw,32px);width:100%;padding:24px 24px 48px 0;display:grid}.review-plan-content{grid-column:2;justify-self:center;width:min(100%,1300px);min-width:0}.review-plan-aside{grid-column:3;align-self:start;position:sticky;top:24px}.exam-page-heading{margin-bottom:20px}.exam-catalog-page{grid-template-columns:clamp(200px,18vw,280px) minmax(0,1fr) clamp(200px,18vw,260px);gap:clamp(20px,2vw,32px);width:100%;padding:24px 24px 48px 0;display:grid}.exam-resource-sidebar{border-right:1px solid var(--cuser-border-color);align-self:start;min-width:0;padding:0 16px;position:sticky;top:24px}.review-calendar-cell{height:34px;color:var(--ant-color-text);place-items:center;display:grid;position:relative}.review-calendar-cell-outside{color:var(--ant-color-text-quaternary)}.review-calendar-status-dot{border-radius:50%;width:5px;height:5px;position:absolute;bottom:2px;left:50%;transform:translate(-50%)}.exam-resource-title{padding:0 20px 12px;font-size:16px;display:block}.exam-resource-menu{background:0 0!important;border-inline-end:0!important}.exam-resource-menu .ant-menu-item{height:46px;line-height:46px}.exam-resource-menu .ant-menu-title-content{min-width:0}.exam-catalog-content{justify-self:center;width:min(100%,1300px);min-width:0}.exam-catalog-content-smart{grid-column:2/4;grid-template-columns:minmax(0,1fr) clamp(200px,18vw,260px);justify-self:stretch;gap:clamp(20px,2vw,32px);width:100%;display:grid}.exam-catalog-content-smart>.exam-library-page-embedded{grid-column:1/-1}.exam-mobile-catalog-trigger{display:none}.published-exam-workspace{justify-self:center;width:100%;min-width:0;container:published-exam-workspace/inline-size}.published-exam-toolbar{margin:20px 0 16px}.published-exam-search{width:min(340px,100%)}.published-exam-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;min-height:200px;margin-bottom:24px;display:grid}.published-exam-card{min-width:0}.published-exam-card .ant-statistic-content{font-size:20px}.published-exam-card .ant-card-actions .ant-btn{width:100%}.exam-page-embedded{width:100%;padding-top:0}.exam-smart-login-state{min-height:360px}.exam-smart-login-state .ant-card-body{place-items:center;min-height:326px;display:grid}.exam-library-page{grid-template-columns:clamp(200px,18vw,280px) minmax(0,1fr) clamp(240px,19vw,300px);gap:clamp(20px,2vw,32px);width:100%;margin:0;padding:24px 24px 48px 0;display:grid}.exam-library-page-embedded{grid-template-columns:minmax(0,1fr) clamp(200px,18vw,260px);padding:0}.exam-paper-navigation{align-self:start;position:sticky;top:24px}.exam-paper-library{justify-self:center;width:min(100%,1300px);min-width:0;container:exam-paper-library/inline-size}.exam-paper-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:12px;display:grid}@container exam-paper-library (width<=900px){.exam-paper-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@container exam-paper-library (width<=580px){.exam-paper-grid{grid-template-columns:minmax(0,1fr)}}@container published-exam-workspace (width<=900px){.published-exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@container published-exam-workspace (width<=580px){.published-exam-grid{grid-template-columns:minmax(0,1fr)}}.exam-paper-card{cursor:pointer;min-width:0;transition:border-color .2s}.exam-paper-card:hover{border-color:var(--ant-color-text-quaternary);box-shadow:none}.exam-paper-card-selected,.exam-paper-card-selected:hover{border-color:var(--ant-color-success)}.exam-paper-start-action{cursor:pointer;width:100%}.exam-paper-start-action-disabled{color:var(--ant-color-text-disabled);cursor:not-allowed}.exam-paper-selected-icon{color:var(--ant-color-success)}.exam-paper-toolbar{justify-content:flex-end}.exam-attempt-aside{align-self:start;min-width:0;position:sticky;top:24px}.exam-attempt-history{min-width:0}.exam-attempt-history-scroll{max-height:calc(100vh - var(--cuser-header-height) - 112px);overflow-y:auto}.exam-aside-edge-trigger{display:none}.exam-generate-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:20px;display:grid}.exam-generate-summary{position:sticky;top:76px}.exam-attempt-layout{width:100%;height:calc(100vh - var(--cuser-header-height));background:var(--cuser-page-bg);grid-template-columns:300px minmax(0,1fr);min-height:0;display:grid;overflow:hidden}.exam-question-navigation{background:var(--cuser-header-bg);border-right:1px solid var(--cuser-border-color);flex-direction:column;min-width:0;min-height:0;padding:20px;display:flex;overflow:hidden}.exam-answer-sheet{flex-direction:column;flex:1;gap:20px;min-height:0;display:flex}.exam-answer-sheet-summary{flex-direction:column;gap:12px;display:flex}.exam-answer-sheet-groups{min-height:0;overflow-y:auto}.exam-answer-sheet-group+.exam-answer-sheet-group{margin-top:24px}.exam-answer-number-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:12px;display:grid}.exam-answer-workspace{flex-direction:column;gap:16px;width:min(1050px,100% - 48px);min-width:0;min-height:0;margin:0 auto;padding:20px 0;display:flex;overflow:hidden}.exam-attempt-toolbar{justify-content:space-between;align-items:center;gap:16px;display:flex}.exam-attempt-title{flex-direction:column;min-width:0;display:flex}.exam-answer-sheet-trigger{display:none}.exam-question-card{flex:1;min-height:0;overflow-y:auto}.exam-question-description{font-size:16px;line-height:1.9}.exam-answer-editor{border-top:1px solid var(--cuser-border-color);margin-top:24px;padding-top:24px}.exam-result-page{width:min(1320px,100% - 48px);height:calc(100vh - var(--cuser-header-height));min-height:calc(100vh - var(--cuser-header-height));box-sizing:border-box;scrollbar-gutter:stable;margin:0 auto;padding:24px 0 48px;overflow:hidden auto}.exam-judging-page{min-height:calc(100vh - var(--cuser-header-height));box-sizing:border-box;place-items:center;padding:48px 24px;display:grid}.exam-judging-card{width:min(620px,100%)}.exam-judging-spinner,.exam-result-status-icon{width:72px;height:72px;color:var(--ant-color-primary);background:var(--ant-color-primary-bg);border-radius:22px;place-items:center;font-size:34px;display:grid}.exam-judging-spinner .ant-spin{color:var(--ant-color-primary)}.exam-judging-heading{text-align:center}.exam-judging-heading .ant-typography,.exam-result-summary .ant-typography{margin:0}.exam-result-summary{margin-bottom:20px}.exam-result-status-icon.is-passed{color:var(--ant-color-success);background:var(--ant-color-success-bg)}.exam-result-status-icon.is-failed{color:var(--ant-color-error);background:var(--ant-color-error-bg)}.exam-review-layout{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:20px;display:grid}.exam-review-navigation{position:sticky;top:20px}.exam-review-number-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;display:grid}.exam-review-groups{flex-direction:column;gap:18px;display:flex}.exam-review-group{flex-direction:column;gap:10px;display:flex}.exam-review-group+.exam-review-group{border-top:1px solid var(--ant-color-border-secondary);padding-top:16px}.exam-review-number-grid .ant-btn.is-current{box-shadow:0 0 0 2px var(--ant-color-primary-border)}.exam-review-legend{border-top:1px solid var(--ant-color-border-secondary);width:100%;margin-top:20px;padding-top:16px}.exam-review-question .ant-card-body{flex-direction:column;gap:20px;display:flex}.exam-review-options{flex-direction:column;gap:10px;display:flex}.exam-review-option{border:1px solid var(--ant-color-border-secondary);background:var(--ant-color-bg-container);border-radius:8px;justify-content:space-between;align-items:center;gap:16px;min-height:48px;padding:10px 14px;display:flex}.exam-review-option.is-correct{border-color:var(--ant-color-success-border);background:var(--ant-color-success-bg)}.exam-review-option.is-wrong-selected{border-color:var(--ant-color-error-border);background:var(--ant-color-error-bg)}.exam-review-option-content{align-items:flex-start;gap:10px;min-width:0;display:flex}.exam-review-option-key{width:26px;height:26px;color:var(--ant-color-primary);background:var(--ant-color-primary-bg);border-radius:50%;flex:none;place-items:center;font-weight:600;display:inline-grid}.exam-review-blanks{padding:12px 0}.exam-answer-comparison{border-top:1px solid var(--ant-color-border-secondary);flex-direction:column;gap:16px;padding-top:20px;display:flex}.exam-answer-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.exam-answer-card{min-width:0}.exam-answer-card-user{border-color:var(--ant-color-primary-border)}.exam-answer-card-reference{border-color:var(--ant-color-success-border)}.exam-answer-text,.exam-correction-answer .ant-typography{white-space:pre-wrap;margin-bottom:6px}.exam-correction-answer+.exam-correction-answer{border-top:1px dashed var(--ant-color-border-secondary);padding-top:10px}.exam-review-code{background:var(--ant-color-fill-quaternary);white-space:pre;border-radius:8px;max-height:520px;margin:12px 0;padding:16px;font-family:Consolas,Monaco,monospace;overflow:auto}.exam-attempt-skeleton{width:min(1050px,100% - 48px);margin:24px auto}@media (width<=1180px){.material-page,.exam-catalog-page{grid-template-columns:clamp(200px,24vw,280px) minmax(0,1fr)}.exam-catalog-content-smart{grid-column:2;justify-self:center;width:min(100%,1300px);display:block}.exam-library-page{grid-template-columns:clamp(200px,24vw,280px) minmax(0,1fr)}.exam-attempt-aside{display:none}.exam-library-page-embedded{grid-template-columns:minmax(0,1fr)}.published-exam-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.exam-history-edge-trigger{z-index:20;border-radius:10px 0 0 10px;width:32px;height:72px;animation:2s ease-in-out infinite question-navigation-breathe;display:inline-flex;position:fixed;top:50%;right:0;transform:translateY(-50%)}}@media (width<=920px){.material-page{grid-template-columns:minmax(0,1fr);padding:20px 16px 40px}.material-resource-sidebar{display:none}.material-mobile-catalog-trigger{display:inline-flex}.material-detail-page{grid-template-columns:minmax(0,1fr);padding:0 16px}.material-detail-toolbar,.material-detail-reader{grid-column:1}.material-detail-reader{padding-inline-end:0;display:block}.material-detail-toc{display:none}.material-detail-outline-trigger{display:inline-flex}.exam-catalog-page{grid-template-columns:minmax(0,1fr);padding:20px 16px 40px}.exam-catalog-content-smart{grid-column:1}.exam-resource-sidebar{display:none}.exam-mobile-catalog-trigger{z-index:20;border-radius:0 10px 10px 0;height:72px;padding-inline:8px;display:inline-flex;position:fixed;top:50%;left:0;transform:translateY(-50%)}.exam-library-page{grid-template-columns:minmax(0,1fr);padding-left:24px}.exam-paper-navigation{display:none}}@media (width<=900px){.exam-page{width:calc(100% - 24px);padding-top:20px}.exam-page-heading{flex-direction:column;align-items:flex-start;gap:16px}.exam-generate-layout{flex-direction:column;display:flex}.exam-generate-layout>*,.exam-generate-layout>aside{width:100%}.exam-generate-summary{position:static}.exam-attempt-layout{height:calc(100vh - var(--cuser-header-height));min-height:calc(100vh - var(--cuser-header-height));display:block;overflow:hidden}.exam-question-navigation{display:none}.exam-answer-sheet-trigger{display:inline-flex}.exam-answer-workspace{width:calc(100% - 24px);height:100%;padding-block:12px;overflow:hidden}.exam-attempt-toolbar{align-items:flex-start}}@media (width<=680px){.problemset-heading,.material-page-heading,.material-toolbar{flex-direction:column;align-items:flex-start}.material-search{width:100%}.material-list-item{gap:14px}.material-detail-page{padding:0 12px}.material-reading-column{padding:32px 4px 64px}.material-article-header h1{font-size:30px}.material-article-body h1{font-size:27px}.material-article-body h2{font-size:22px}.material-detail-toolbar .ant-breadcrumb{display:none}.published-exam-grid{grid-template-columns:minmax(0,1fr)}.published-exam-search{width:100%}.exam-library-page{padding:16px}.exam-paper-grid{grid-template-columns:minmax(0,1fr)}.exam-paper-toolbar,.exam-paper-search{width:100%}.exam-result-page{width:calc(100% - 24px)}.exam-review-layout{grid-template-columns:minmax(0,1fr)}.exam-review-navigation{position:static}.exam-answer-columns{grid-template-columns:minmax(0,1fr)}}@media (width<=460px){.material-list-summary.ant-typography{-webkit-line-clamp:1;min-height:auto}}.profile-center-page{grid-template-columns:240px minmax(0,1fr);gap:24px;width:min(1520px,100% - 48px);margin:0 auto;padding:32px 0 48px;display:grid}.profile-center-navigation{align-self:start;position:sticky;top:24px}.profile-center-content{min-width:0}.profile-yearly-heatmap-scroll{overflow-x:auto}.profile-yearly-heatmap{grid-template-columns:40px repeat(var(--profile-heatmap-week-count), minmax(10px, 1fr));grid-template-rows:24px repeat(7,auto);align-items:center;gap:4px;width:100%;min-width:760px;padding-bottom:12px;display:grid}.profile-yearly-heatmap .learning-heatmap-cell,.profile-yearly-heatmap-blank{width:100%}.profile-yearly-heatmap-blank{aspect-ratio:1;display:block}.profile-yearly-heatmap-month-label,.profile-yearly-heatmap-weekday-label{color:var(--ant-color-text-secondary);white-space:nowrap;line-height:1}.profile-yearly-heatmap-month-label{align-self:end}.profile-yearly-heatmap-legend .learning-heatmap-cell{width:12px;min-width:12px}@media (width<=900px){.profile-center-page{grid-template-columns:minmax(0,1fr);width:calc(100% - 24px);padding-top:20px}.profile-center-navigation{position:static}}@media (width<=767px){.membership-activity-page{width:calc(100% - 24px);padding:16px 0 32px}.membership-activity-contact{position:static}.membership-activity-intro{padding:24px}}