.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}.notification-list{max-width:800px;margin:0 auto}.notification-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.notification-item{transition:all .3s ease;border-radius:8px;margin-bottom:8px;padding:12px;border:1px solid transparent}.notification-item:hover{background-color:var(--hover-bg);border-color:var(--border-color)}.notification-item.unread{background-color:var(--success-bg);border-color:var(--success)}.notification-item.unread:hover{background-color:var(--info-bg);border-color:var(--info)}.notification-item .ant-list-item-meta-title{margin-bottom:4px}.notification-item .ant-list-item-meta-description{color:var(--app-text);line-height:1.4}.notification-item .ant-list-item-action{margin-left:16px}.notification-item .ant-list-item-action li{padding:0 4px}.notification-item .ant-badge-status-dot{width:8px;height:8px}@media (max-width: 768px){.notification-list{margin:0 16px}.notification-header{flex-direction:column;align-items:flex-start;gap:12px}.notification-item{padding:8px}.notification-item .ant-list-item-action{margin-left:8px}}.notification-bell-button{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;transition:all .3s ease}.notification-bell-button:hover{background-color:var(--hover-bg)}.notification-bell-dropdown .ant-dropdown-menu{padding:0;border-radius:8px;box-shadow:var(--shadow-2)}.notification-dropdown{width:360px;max-height:480px;background:var(--card-bg);border-radius:8px;overflow:hidden}.notification-dropdown-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background-color:var(--card-bg);border-bottom:1px solid var(--border-color)}.notification-dropdown-content{max-height:320px;overflow-y:auto}.notification-dropdown-item{padding:8px 16px;border-bottom:1px solid var(--border-color);transition:background-color .2s ease}.notification-dropdown-item:hover{background-color:var(--hover-bg)}.notification-dropdown-item.unread{background-color:var(--success-bg);border-left:3px solid var(--success)}.notification-dropdown-item .ant-list-item-meta{margin-bottom:0}.notification-dropdown-item .ant-list-item-meta-title{margin-bottom:2px;line-height:1.3}.notification-dropdown-item .ant-list-item-meta-description{line-height:1.2}.notification-dropdown-item .ant-list-item-action{margin-left:8px}.notification-dropdown-footer{padding:8px 16px;background-color:var(--card-bg);border-top:1px solid var(--border-color)}.notification-dropdown-footer .ant-btn{height:32px;font-size:var(--font-size-secondary)}.notification-dropdown-content::-webkit-scrollbar{width:6px}.notification-dropdown-content::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:3px}.notification-dropdown-content::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:3px}.notification-dropdown-content::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}@media (max-width: 768px){.notification-dropdown{width:300px;max-height:400px}.notification-dropdown-content{max-height:260px}.notification-dropdown-header,.notification-dropdown-footer{padding:10px 12px}.notification-dropdown-item{padding:6px 12px}}.user-info-points{position:relative;display:inline-block}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%;width:100%}code,pre,.monaco-editor{font-family:Fira Code,Monaco,Menlo,Ubuntu Mono,monospace!important}::-webkit-scrollbar{width:8px;height:8px}.app-layout{min-height:100vh}.app-header{background:var(--card-bg);box-shadow:var(--shadow-1);position:sticky;top:0;z-index:1000}.app-content{padding:0;min-height:calc(100vh - 64px);background:var(--content-bg)}.page-container{padding:24px;max-width:1200px;margin:0 auto}.fullscreen-container{height:calc(100vh - 64px);overflow:hidden}.modern-layout{min-height:100vh}.modern-header{background:var(--header-bg);backdrop-filter:blur(10px);position:sticky;top:0;z-index:1000;padding:0;height:64px;line-height:64px}.modern-header-content{display:flex;align-items:center;height:100%;padding:0 5px 0 16px;gap:16px;max-width:none;color:var(--header-text)}.modern-header .ant-menu,.modern-header .ant-menu-horizontal{background:transparent}.ant-menu-light .ant-menu-item,.ant-menu-light>.ant-menu .ant-menu-item,.ant-menu-light .ant-menu-submenu-title,.ant-menu-light>.ant-menu .ant-menu-submenu-title,.modern-header .ant-menu-horizontal>.ant-menu-item,.modern-header .ant-menu-horizontal>.ant-menu-submenu,.modern-header .ant-menu-horizontal>.ant-menu-submenu-title{color:var(--header-text);font-weight:500}.ant-menu-light .ant-menu-item:not(.ant-menu-item-selected):not(.ant-menu-submenu-selected):hover,.ant-menu-light>.ant-menu .ant-menu-item:hover,.ant-menu-light .ant-menu-submenu-title:hover,.ant-menu-light>.ant-menu .ant-menu-submenu-title:hover,.ant-menu-light>.ant-menu .ant-menu-item:not(.ant-menu-item-selected):not(.ant-menu-submenu-selected)>.ant-menu-submenu-title:hover,.modern-header .ant-menu-horizontal>.ant-menu-item:hover,.modern-header .ant-menu-horizontal>.ant-menu-submenu:hover,.modern-header .ant-menu-horizontal>.ant-menu-item-active:hover,.modern-header .ant-menu-horizontal>.ant-menu-submenu-title:hover{color:var(--link-hover)}.modern-header .ant-menu-horizontal>.ant-menu-item-selected,.modern-header .ant-menu-horizontal>.ant-menu-submenu-selected{color:var(--primary)}.modern-header .ant-menu-horizontal>.ant-menu-item:after,.modern-header .ant-menu-horizontal>.ant-menu-submenu:after{border-bottom-color:transparent}.modern-header .ant-menu-horizontal>.ant-menu-item-selected:after,.modern-header .ant-menu-horizontal>.ant-menu-submenu-selected:after{border-bottom-color:var(--primary)}.modern-header-logo{flex-shrink:0;margin-right:16px}.modern-header-left{display:flex;align-items:center;gap:16px;flex:1;min-width:0}.modern-header-nav-content{display:flex;flex-direction:column;justify-content:center;min-width:0;flex:1}.modern-header-center{flex-shrink:0;margin:0 16px}.modern-header-right{display:flex;align-items:center;flex-shrink:0}.modern-header-actions{display:flex;align-items:center;gap:8px}.modern-search .ant-input{border-radius:20px;background:var(--header-input-bg);border:1px solid transparent;transition:all .3s ease;color:var(--header-text)}.modern-search .ant-input::placeholder{color:var(--header-text);opacity:.65}.modern-search .ant-input:focus,.modern-search .ant-input:hover{background:var(--header-input-bg-hover);border-color:var(--primary);box-shadow:0 2px 8px #1890ff33}.mobile-menu-trigger{margin-right:8px}.user-menu-trigger{border-radius:20px;padding:4px 12px;height:auto;border:none}.user-menu-trigger:hover{background:var(--hover-bg);border:none}.modern-layout-content.sider-expanded{margin-left:130px}.modern-layout-content.sider-collapsed{margin-left:50px}.modern-sider{background:var(--sidebar-bg);box-shadow:0 8px 32px #1f26875e,inset 0 1px #ffffff80,inset 0 -1px #fff3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);position:fixed!important;left:0!important;height:100vh!important;z-index:99;overflow-y:auto;overflow-x:hidden}.modern-sider:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d,#ffffff1a);pointer-events:none;z-index:-1}.modern-sider .ant-menu-item,.modern-sider .ant-menu-submenu-title{color:var(--sidebar-fg)}.modern-sider-content{height:100%;display:flex;flex-direction:column}.modern-logo{display:flex;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border-color);margin-bottom:8px}.modern-main-menu{border:none;flex:1}.modern-main-menu .ant-menu-item{margin:4px 0;border-radius:0;height:40px;line-height:40px;transition:all .3s cubic-bezier(.4,0,.2,1);border:0px solid transparent;position:relative;overflow:hidden}.modern-main-menu .ant-menu-item:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d);opacity:0;transition:opacity .3s ease;pointer-events:none}.modern-main-menu .ant-menu-item:hover{background:#667eea26;border:0px solid rgba(255,255,255,.2);box-shadow:0 4px 16px #a3a3a733,inset 0 1px #ffffff4d;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--app-text);transform:translateY(-1px)}.modern-main-menu .ant-menu-item:hover:before{opacity:1}.modern-main-menu .ant-menu-item-selected{background:#62626440;border:0px solid rgba(255,255,255,.3);box-shadow:0 8px 32px #7b7b7c4d,inset 0 1px #ffffff80,inset 0 -1px #fff3;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);color:var(--app-text);font-weight:600}.modern-main-menu .ant-menu-item-selected:before{opacity:1}.modern-main-menu .ant-menu-item-selected:after{display:none}.contextual-navigation{margin-top:auto;border-top:1px solid var(--border-color);padding-top:8px}.modern-context-menu{border:none}.modern-context-menu .ant-menu-item{margin:2px 8px;border-radius:6px;height:36px;line-height:36px;font-size:var(--font-size-secondary)}.modern-context-menu .ant-menu-item:hover{background:var(--hover-bg)}.modern-content,.admin-content{background:var(--app-bg);min-height:calc(100vh - 64px);overflow-x:hidden;transition:margin-left .2s;margin:0 auto;width:100%;box-sizing:border-box}.modern-content-topVisible{padding-top:24px;max-width:1096px}.modern-content-topHide{padding-top:0}} */ } */ .bento-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;padding:24px}.bento-card{background:#ffffff40;border-radius:20px;padding:24px;box-shadow:0 8px 32px #1f268733,inset 0 1px #ffffff80,inset 0 -1px #fff3;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.bento-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d,#ffffff1a);pointer-events:none;z-index:-1}.bento-card:hover{transform:translateY(-6px);box-shadow:0 16px 64px #1f26874d,inset 0 1px #fff9,inset 0 -1px #ffffff4d;border:1px solid rgba(255,255,255,.25)}.bento-card.large{grid-column:span 2}.bento-card.tall{grid-row:span 2}.bento-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.bento-card-title{font-size:16px;font-weight:600;color:var(--app-text);margin:0}.bento-card-content{color:var(--app-text);line-height:1.6}.modern-header .ant-typography,.modern-header .ant-btn-text,.modern-header .ant-btn-link,.modern-header .ant-breadcrumb,.modern-header .ant-breadcrumb a,.modern-header .anticon,.ant-breadcrumb li:last-child{color:var(--header-text)}.ant-breadcrumb li.ant-breadcrumb-separator{color:var(--header-text)}.modern-header .ant-breadcrumb a:hover,.modern-header .ant-btn-text:hover,.modern-header .ant-btn-link:hover,.modern-header .ant-btn-variant-text:hover,.modern-header .ant-btn-variant-link:hover{color:var(--link-hover)!important}.modern-header .ant-btn.ant-btn-variant-text:not(:disabled):not(.ant-btn-disabled):hover,.modern-header .ant-btn.ant-btn-variant-link:not(:disabled):not(.ant-btn-disabled):hover,.modern-header .ant-btn.ant-btn-text:not(:disabled):not(.ant-btn-disabled):hover,.modern-header .ant-btn.ant-btn-link:not(:disabled):not(.ant-btn-disabled):hover{color:var(--link-hover)!important;background:transparent!important}.glass-effect{background:#fffc;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.dark .modern-sider{border-right:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #00000080,inset 0 1px #ffffff1a,inset 0 -1px #ffffff0d;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.dark .modern-sider:before{background:linear-gradient(135deg,#ffffff0d,#ffffff05,#ffffff0d)}.dark .modern-main-menu .ant-menu-item:hover{background:#667eea33;border:1px solid rgba(255,255,255,.15);box-shadow:0 4px 16px #667eea4d,inset 0 1px #fff3}.dark .modern-main-menu .ant-menu-item-selected{background:#667eea4d;border:1px solid rgba(255,255,255,.2);box-shadow:0 8px 32px #667eea66,inset 0 1px #ffffff4d,inset 0 -1px #ffffff1a}.dark .modern-content{background:var(--app-bg)}.dark .bento-card{background:#14141440;border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #00000080,inset 0 1px #ffffff1a,inset 0 -1px #ffffff0d;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px)}.dark .bento-card:before{background:linear-gradient(135deg,#ffffff0d,#ffffff05,#ffffff0d)}.dark .bento-card:hover{box-shadow:0 16px 64px #000000b3,inset 0 1px #ffffff26,inset 0 -1px #ffffff14;border:1px solid rgba(255,255,255,.15)}.dark .bento-card-title{color:var(--app-text)}.dark .bento-card-content{color:var(--muted)}.dark .glass-effect{background:#141414cc;border-color:#ffffff1a}.contextual-toolbar .ant-drawer-content{background:#fffffff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.contextual-toolbar .ant-drawer-header{background:#667eea1a;border-bottom:1px solid rgba(255,255,255,.2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.contextual-toolbar .ant-card{background:#fffc;border:1px solid rgba(255,255,255,.3);box-shadow:0 4px 16px #1f268726,inset 0 1px #fff6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:all .3s ease}.contextual-toolbar .ant-card:hover{transform:translateY(-2px);box-shadow:0 8px 32px #1f268733,inset 0 1px #ffffff80}.dark .contextual-toolbar .ant-drawer-content{background:#141414f2}.dark .contextual-toolbar .ant-drawer-header{background:#667eea26;border-bottom:1px solid rgba(255,255,255,.1)}.dark .contextual-toolbar .ant-card{background:#141414cc;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 16px #0000004d,inset 0 1px #ffffff1a}.dark .contextual-toolbar .ant-card:hover{box-shadow:0 8px 32px #0006,inset 0 1px #ffffff26}@media (max-width: 768px){.bento-grid{grid-template-columns:1fr;padding:16px;gap:16px}.bento-card.large,.bento-card.tall{grid-column:span 1;grid-row:span 1}.modern-header-content{padding:0 16px;gap:8px}.modern-header-logo{margin-right:8px}.modern-header-nav-content{display:none}.modern-header-center{margin:0 8px}.modern-header-center .modern-search{width:150px!important}.modern-sider{display:none!important}.modern-content,.modern-layout-content{margin-left:0!important}.contextual-toolbar{width:280px!important}}.teacher-dashboard .stat-card,.student-dashboard .stat-card{border-radius:12px;box-shadow:0 2px 8px #0000000f;transition:all .3s ease}.teacher-dashboard .stat-card:hover,.student-dashboard .stat-card:hover{box-shadow:0 4px 16px #0000001f;transform:translateY(-2px)}.student-dashboard .course-progress-item{padding:12px;border-radius:8px;background:#1890ff05;border:1px solid rgba(24,144,255,.1);margin-bottom:8px}.student-dashboard .achievement-badge{transition:all .3s ease;cursor:pointer}.student-dashboard .achievement-badge:hover{transform:scale(1.05)}.teacher-dashboard .course-progress-item{padding:8px 0;border-bottom:1px solid var(--border-color)}.teacher-dashboard .course-progress-item:last-child{border-bottom:none}[data-theme=dark] .teacher-dashboard .stat-card,[data-theme=dark] .student-dashboard .stat-card{background:#ffffff0a;border:1px solid rgba(255,255,255,.1)}[data-theme=dark] .student-dashboard .course-progress-item{background:#1890ff0d;border:1px solid rgba(24,144,255,.2)}.problem-content{line-height:1.6}.problem-content h1,.problem-content h2,.problem-content h3,.problem-content h4,.problem-content h5,.problem-content h6{margin-top:1.5em;margin-bottom:.5em}.problem-content p{margin-bottom:1em}.problem-content pre{background:var(--code-bg);padding:12px;border-radius:4px;overflow-x:auto}.problem-content code{background:var(--code-bg);padding:2px 4px;border-radius:2px;font-family:Monaco,Menlo,Ubuntu Mono,monospace}.app-footer{text-align:center;background:var(--card-bg);padding:24px 0}.problem-card{margin-bottom:16px;transition:all .3s ease}.problem-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}.submission-card{margin-bottom:12px}.status-tag,.difficulty-tag{font-weight:500;border:none}.code-editor-container{border:1px solid var(--border-color);border-radius:6px;overflow:hidden}.code-editor-header{background:var(--card-bg);padding:8px 16px;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.code-editor-content{height:400px}.problem-content{line-height:1.8}.problem-content h1,.problem-content h2,.problem-content h3,.problem-content h4,.problem-content h5,.problem-content h6{margin-top:24px;margin-bottom:16px}.problem-content p{margin-bottom:16px}.problem-content pre{background:var(--code-bg);border:1px solid var(--border-color);border-radius:6px;padding:16px;overflow-x:auto;margin:16px 0}.problem-content code{background:var(--code-bg);border-radius:3px;padding:2px 4px;font-size:85%;color:var(--code-text)}.problem-content pre code{background:transparent;padding:0}.ant-table-thead>tr>th{background:var(--card-bg);font-weight:600}@media (max-width: 768px){.app-content{padding:16px}.code-editor-content{height:300px}}@media (max-width: 576px){.app-content{padding:12px}.code-editor-header{padding:6px 12px;flex-direction:column;gap:8px}}.fade-in{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.slide-in{animation:slideIn .3s ease-out}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:200px}.empty-container{text-align:center;padding:48px 0}.empty-container .ant-empty-description{color:var(--muted-2)}.error-container{text-align:center;padding:48px 0}.error-container .error-title{font-size:18px;font-weight:600;color:var(--error);margin-bottom:8px}.error-container .error-message{color:var(--muted-2);margin-bottom:16px}.stats-card{text-align:center;padding:24px}.stats-card .stats-number{font-size:32px;font-weight:600;color:var(--info);margin-bottom:8px}.stats-card .stats-label{color:var(--muted);font-size:var(--font-size-secondary)}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud .ant-tag{margin:0;cursor:pointer;transition:all .3s ease}.tag-cloud .ant-tag:hover{transform:scale(1.05)}.progress-container{display:flex;align-items:center;gap:8px}.progress-text{font-size:var(--font-size-label);color:var(--muted);min-width:40px}.btn-primary{background:linear-gradient(135deg,var(--info) 0%,var(--primary) 100%);border:none;box-shadow:0 2px 4px #1890ff4d}.btn-primary:hover{background:linear-gradient(135deg,var(--info) 0%,var(--primary) 100%);box-shadow:0 4px 8px #1890ff66}.hljs{background:var(--code-bg)!important;border-radius:4px;padding:12px}.katex{font-size:1.1em}.katex-display{margin:16px 0}.domain-management{min-height:100vh}.domain-hierarchy-card .ant-card-body{padding:0}.domain-hierarchy-tree{padding:16px}.custom-domain-tree .ant-tree-node-content-wrapper{width:100%;padding:8px 12px;border-radius:8px;transition:all .3s ease}.custom-domain-tree .ant-tree-node-content-wrapper:hover{background:#1890ff1a;backdrop-filter:blur(10px)}.custom-domain-tree .ant-tree-node-selected .ant-tree-node-content-wrapper{background:#1890ff26;backdrop-filter:blur(10px);border:1px solid rgba(24,144,255,.3)}.domain-stats-dashboard .ant-card{border-radius:12px;box-shadow:0 4px 12px #0000001a;transition:all .3s ease}.domain-stats-dashboard .ant-card:hover{box-shadow:0 8px 24px #00000026;transform:translateY(-2px)}.domain-stats-dashboard .ant-statistic-content{font-size:24px;font-weight:700}.domain-stats-dashboard .ant-progress-line{margin:0}.dark .custom-domain-tree .ant-tree-node-content-wrapper:hover{background:#1890ff33}.dark .custom-domain-tree .ant-tree-node-selected .ant-tree-node-content-wrapper{background:#1890ff40;border:1px solid rgba(24,144,255,.4)}.dark .domain-stats-dashboard .ant-card{background:#1e1e1ecc;backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1)}.dark .domain-stats-dashboard .ant-card:hover{box-shadow:0 8px 24px #0000004d}.selected-plugin{box-shadow:0 4px 12px #1890ff26!important;transform:translateY(-2px);transition:all .3s ease}.selected-plugin:hover{box-shadow:0 6px 16px #1890ff40!important}.import-step-content{min-height:400px;padding:24px}.plugin-card{transition:all .3s ease;cursor:pointer}.plugin-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.import-upload-area{border:2px dashed var(--border-color);border-radius:8px;background:var(--hover-bg);transition:all .3s ease}.import-upload-area:hover,.import-upload-area.ant-upload-drag-hover{border-color:var(--info);background:var(--info-bg)}.import-task-table .ant-table-tbody>tr:hover>td{background:var(--hover-bg)}.import-progress-success{background:linear-gradient(90deg,var(--success) 0%,var(--success) 100%)}.import-progress-error{background:linear-gradient(90deg,var(--error) 0%,var(--error) 100%)}@media 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)}}.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}:root{--app-bg: #F5F7FA;--app-text: #1E293B;--header-bg: #0F1C2D;--header-text: #FFFFFF;--header-input-bg: rgba(255, 255, 255, .18);--header-input-bg-hover: rgba(255, 255, 255, .28);--content-bg: #FFFFFF;--sidebar-bg: #FFFFFF;--sidebar-fg: #000;--border-color: #E2E8F0;--link: #4FC0D0;--link-hover: #FF6B8B;--card-bg: #FFFFFF;--button-bg: #FFFFFF;--button-text: #1E293B;--primary: #4FC0D0;--code-bg: #F6F8FA;--code-text: #1E293B;--scrollbar-track: #f1f1f1;--scrollbar-thumb: #c1c1c1;--scrollbar-thumb-hover: #a8a8a8;--shadow-1: 0 2px 8px rgba(0,0,0,.06);--shadow-2: 0 4px 12px rgba(0,0,0,.08);--hover-bg: #f5f5f5;--font-size-base: 16px;--font-size-secondary: 14px;--font-size-label: 12px;--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #1890ff;--purple: #722ed1;--muted: #666666;--muted-2: #999999;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32;--success-bg: #f6ffed;--info-bg: #e6f7ff;--warning-bg: #fffbe6;--error-bg: #fff2f0}[data-theme=tech-blue]{color-scheme:light;--app-bg: #F5F7FA;--app-text: #1E293B;--header-bg: #0F1C2D;--header-text: #FFFFFF;--header-input-bg: rgba(255, 255, 255, .18);--header-input-bg-hover: rgba(255, 255, 255, .28);--content-bg: #FFFFFF;--sidebar-bg: #FFFFFF;--sidebar-fg: #000;--border-color: #E2E8F0;--link: #4FC0D0;--link-hover: #FF6B8B;--card-bg: #FFFFFF;--button-bg: #FFFFFF;--button-text: #1E293B;--primary: #4FC0D0;--code-bg: #F6F8FA;--code-text: #1E293B;--scrollbar-track: #f1f1f1;--scrollbar-thumb: #c1c1c1;--scrollbar-thumb-hover: #a8a8a8;--shadow-1: 0 2px 8px rgba(0,0,0,.06);--shadow-2: 0 4px 12px rgba(0,0,0,.08);--hover-bg: #f5f5f5;--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #1890ff;--purple: #722ed1;--muted: #666666;--muted-2: #999999;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32;--success-bg: #f6ffed;--info-bg: #e6f7ff;--warning-bg: #fffbe6;--error-bg: #fff2f0}[data-theme=wisdom-ink]{color-scheme:light;--app-bg: #F8FAFC;--app-text: #1E293B;--header-bg: #1A2F3B;--header-text: #FFFFFF;--header-input-bg: rgba(255, 255, 255, .18);--header-input-bg-hover: rgba(255, 255, 255, .28);--content-bg: #FFFFFF;--sidebar-bg: #FFFFFF;--sidebar-fg: #000;--border-color: #E2E8F0;--link: #38B2AC;--link-hover: #F59E0B;--card-bg: #FFFFFF;--button-bg: #FFFFFF;--button-text: #1E293B;--primary: #38B2AC;--code-bg: #F6F8FA;--code-text: #1E293B;--scrollbar-track: #f1f1f1;--scrollbar-thumb: #c1c1c1;--scrollbar-thumb-hover: #a8a8a8;--shadow-1: 0 2px 8px rgba(0,0,0,.06);--shadow-2: 0 4px 12px rgba(0,0,0,.08);--hover-bg: #f5f5f5;--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #1890ff;--purple: #722ed1;--muted: #666666;--muted-2: #999999;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32;--success-bg: rgba(82, 196, 26, .12);--info-bg: rgba(0, 212, 170, .12);--warning-bg: rgba(250, 173, 20, .12);--error-bg: rgba(255, 77, 79, .12)}[data-theme=deep-space]{color-scheme:dark;--app-bg: #0A0E14;--app-text: #E6E6E6;--header-bg: #1D2633;--header-text: #E6E6E6;--header-input-bg: rgba(255, 255, 255, .12);--header-input-bg-hover: rgba(255, 255, 255, .18);--content-bg: #151A22;--sidebar-bg: #1D2633;--sidebar-fg: #fff;--border-color: #2A3441;--link: #00D4AA;--link-hover: #FF6B8B;--card-bg: #151A22;--button-bg: #1D2633;--button-text: #E6E6E6;--primary: #00D4AA;--code-bg: #0A0E14;--code-text: #E6E6E6;--scrollbar-track: #2f2f2f;--scrollbar-thumb: #555555;--scrollbar-thumb-hover: #777777;--shadow-1: 0 2px 8px rgba(0,0,0,.45);--shadow-2: 0 4px 12px rgba(0,0,0,.55);--hover-bg: rgba(255,255,255,.06);--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #00d4aa;--purple: #722ed1;--muted: #999999;--muted-2: #777777;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32;--success-bg: rgba(82, 196, 26, .14);--info-bg: rgba(58, 142, 150, .14);--warning-bg: rgba(250, 173, 20, .14);--error-bg: rgba(255, 77, 79, .14)}[data-theme=eastern-tech]{color-scheme:dark;--app-bg: #0D1B2A;--app-text: #CBD5E1;--header-bg: #1C2F3D;--header-text: #CBD5E1;--header-input-bg: rgba(255, 255, 255, .12);--header-input-bg-hover: rgba(255, 255, 255, .18);--content-bg: #1A2432;--sidebar-bg: #1C2F3D;--sidebar-fg: #fff;--border-color: #2A3441;--link: #3A8E96;--link-hover: #D44D5C;--card-bg: #1C2F3D;--button-bg: #1C2F3D;--button-text: #CBD5E1;--primary: #3A8E96;--code-bg: #1A2432;--code-text: #CBD5E1;--scrollbar-track: #2f2f2f;--scrollbar-thumb: #555555;--scrollbar-thumb-hover: #777777;--shadow-1: 0 2px 8px rgba(0,0,0,.45);--shadow-2: 0 4px 12px rgba(0,0,0,.55);--hover-bg: rgba(255,255,255,.06);--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #3A8E96;--purple: #722ed1;--muted: #9aa7b2;--muted-2: #81919d;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32}[data-theme=youth][data-mode=light]{color-scheme:light;--app-bg: #f8fafc;--app-text: #1e293b;--header-bg: #ffffff;--header-text: #1e293b;--header-input-bg: rgba(14, 165, 233, .08);--header-input-bg-hover: rgba(14, 165, 233, .12);--content-bg: #ffffff;--sidebar-bg: #f1f5f9;--border-color: #e2e8f0;--link: #0ea5e9;--link-hover: #ff6b35;--card-bg: #ffffff;--button-bg: #0ea5e9;--button-text: #ffffff;--primary: #0ea5e9;--code-bg: #f1f5f9;--code-text: #1e293b;--scrollbar-track: #e2e8f0;--scrollbar-thumb: #cbd5e1;--scrollbar-thumb-hover: #94a3b8;--shadow-1: 0 2px 8px rgba(14, 165, 233, .1);--shadow-2: 0 4px 12px rgba(14, 165, 233, .15);--hover-bg: rgba(14, 165, 233, .06);--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #0ea5e9;--purple: #722ed1;--muted: #667085;--muted-2: #98a2b3;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32}[data-theme=youth][data-mode=dark]{color-scheme:dark;--app-bg: #0f172a;--app-text: #f1f5f9;--header-bg: #1e293b;--header-text: #f1f5f9;--header-input-bg: rgba(14, 165, 233, .12);--header-input-bg-hover: rgba(14, 165, 233, .18);--content-bg: #1e293b;--sidebar-bg: #1e293b;--border-color: #334155;--link: #38bdf8;--link-hover: #fb7185;--card-bg: #1e293b;--button-bg: #0ea5e9;--button-text: #ffffff;--primary: #0ea5e9;--code-bg: #0f172a;--code-text: #e2e8f0;--scrollbar-track: #1e293b;--scrollbar-thumb: #475569;--scrollbar-thumb-hover: #64748b;--shadow-1: 0 2px 8px rgba(0, 0, 0, .45);--shadow-2: 0 4px 12px rgba(0, 0, 0, .55);--hover-bg: rgba(14, 165, 233, .12);--success: #52c41a;--warning: #faad14;--orange: #fa8c16;--error: #ff4d4f;--danger: #f5222d;--info: #38bdf8;--purple: #9b8df1;--muted: #94a3b8;--muted-2: #64748b;--gold: #ffd700;--silver: #c0c0c0;--bronze: #cd7f32}.app-container{background:var(--app-bg);color:var(--app-text);min-height:100vh}.app-header{background:var(--header-bg);color:var(--header-text);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-1)}.header-input{background:var(--header-input-bg);color:var(--header-text);border:1px solid var(--border-color);border-radius:var(--border-radius-md);transition:all .2s ease}.header-input:hover{background:var(--header-input-bg-hover)}.header-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 20%,transparent)}.app-content{background:var(--content-bg)}.app-sidebar{background:var(--sidebar-bg);border-right:1px solid var(--border-color)}a{color:var(--link);text-decoration:none;transition:color .2s ease}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-1);transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}.btn{background:var(--button-bg);color:var(--button-text);border:none;border-radius:var(--border-radius-md);padding:8px 16px;font-weight:500;cursor:pointer;transition:all .2s ease}.btn:hover{filter:brightness(.9);transform:translateY(-1px)}.btn-primary{background:var(--primary)}.code-block{font-family:Monaco,Consolas,monospace}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.hover-effect:hover{background:var(--hover-bg)}.ant-card{background:var(--card-bg);border:1px solid var(--border-color);color:var(--app-text)}.ant-card-head{color:var(--app-text);border-bottom:1px solid var(--border-color)}.ant-input{background:var(--card-bg);color:var(--app-text);border:1px solid var(--border-color)}.ant-input:hover{border-color:var(--primary)}.ant-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px color-mix(in srgb,var(--primary) 20%,transparent)}.ant-menu{background:var(--sidebar-bg);color:var(--app-text)}.ant-menu-item{color:var(--app-text)}.ant-menu-item:hover{background:var(--hover-bg);color:var(--link)}.ant-menu-item-selected{background:var(--header-input-bg);color:var(--link)}.ant-table{background:var(--card-bg);color:var(--app-text)}.ant-table-thead>tr>th{background:var(--sidebar-bg);color:var(--app-text);border-bottom:1px solid var(--border-color)}.ant-table-tbody>tr>td{border-bottom:1px solid var(--border-color)}.ant-table-tbody>tr:hover>td{background:var(--hover-bg)}:root{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-size:var(--font-size-base);color-scheme:light;color:var(--app-text);background-color:var(--app-bg);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;height:100%;width:100%}h1{font-size:3.2em;line-height:1.1}button{border-radius:6px;border:1px solid var(--border-color);padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--button-bg);color:var(--button-text);cursor:pointer;transition:all .25s}button:hover{border-color:var(--link);color:var(--link)}.text-secondary{font-size:var(--font-size-secondary)}.text-label{font-size:var(--font-size-label)}