@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";.verify-code-input{display:flex;justify-content:center;gap:12px;margin:16px 0}.verify-code-box{width:48px;height:56px;text-align:center;font-size:24px;font-weight:600;border:2px solid #e2e8f0;border-radius:12px;background:#fff;color:#1e293b;outline:none;transition:all .2s ease}.verify-code-box:focus{border-color:#6366f1;box-shadow:0 0 0 3px #6366f11a}.verify-code-box.filled{border-color:#6366f1;background:#6366f10d}.verify-code-box:disabled{background:#f1f5f9;cursor:not-allowed}@media (max-width: 480px){.verify-code-input{gap:8px}.verify-code-box{width:40px;height:48px;font-size:20px}}:root{--exambox-indigo: #6366f1;--exambox-violet: #8b5cf6;--exambox-primary: #6366f1;--exambox-primary-hover: #4f46e5;--exambox-primary-light: rgba(99, 102, 241, .1);--exambox-success: #10b981;--exambox-success-light: rgba(16, 185, 129, .1);--exambox-warning: #f59e0b;--exambox-warning-light: rgba(245, 158, 11, .1);--exambox-danger: #ef4444;--exambox-danger-light: rgba(239, 68, 68, .1);--exambox-info: #3b82f6;--exambox-info-light: rgba(59, 130, 246, .1);--exambox-gray-50: #f9fafb;--exambox-gray-100: #f3f4f6;--exambox-gray-200: #e5e7eb;--exambox-gray-300: #d1d5db;--exambox-gray-400: #9ca3af;--exambox-gray-500: #6b7280;--exambox-gray-600: #4b5563;--exambox-gray-700: #374151;--exambox-gray-800: #1f2937;--exambox-gray-900: #111827;--exambox-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--exambox-gradient-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--exambox-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--exambox-shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--exambox-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--exambox-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--exambox-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--exambox-radius-sm: 6px;--exambox-radius: 8px;--exambox-radius-md: 12px;--exambox-radius-lg: 16px;--exambox-radius-xl: 24px;--exambox-space-1: 4px;--exambox-space-2: 8px;--exambox-space-3: 12px;--exambox-space-4: 16px;--exambox-space-5: 20px;--exambox-space-6: 24px;--exambox-space-8: 32px;--exambox-space-10: 40px}.exambox-title-xl{font-size:32px;font-weight:700;line-height:1.2;color:var(--exambox-gray-900);letter-spacing:-.5px}.exambox-title-lg{font-size:24px;font-weight:700;line-height:1.3;color:var(--exambox-gray-900)}.exambox-title-md{font-size:18px;font-weight:600;line-height:1.4;color:var(--exambox-gray-800)}.exambox-title-sm{font-size:16px;font-weight:600;line-height:1.4;color:var(--exambox-gray-800)}.exambox-body{font-size:14px;line-height:1.6;color:var(--exambox-gray-600)}.exambox-caption{font-size:12px;line-height:1.5;color:var(--exambox-gray-400)}.exambox-card{background:#fff;border-radius:var(--exambox-radius-lg);border:1px solid var(--exambox-gray-200);box-shadow:var(--exambox-shadow-sm);transition:all .2s ease}.exambox-card:hover{box-shadow:var(--exambox-shadow-md)}.exambox-card-header{padding:var(--exambox-space-5) var(--exambox-space-6);border-bottom:1px solid var(--exambox-gray-100);display:flex;align-items:center;justify-content:space-between}.exambox-card-body{padding:var(--exambox-space-6)}.exambox-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--exambox-space-2);padding:var(--exambox-space-3) var(--exambox-space-5);font-size:14px;font-weight:500;border-radius:var(--exambox-radius);border:none;cursor:pointer;transition:all .2s ease}.exambox-btn-primary{background:var(--exambox-gradient);color:#fff}.exambox-btn-primary:hover{background:var(--exambox-gradient-hover);transform:translateY(-1px);box-shadow:0 4px 12px #6366f14d}.exambox-btn-secondary{background:#fff;color:var(--exambox-gray-700);border:1px solid var(--exambox-gray-200)}.exambox-btn-secondary:hover{border-color:var(--exambox-primary);color:var(--exambox-primary)}.exambox-btn-ghost{background:transparent;color:var(--exambox-gray-600)}.exambox-btn-ghost:hover{background:var(--exambox-gray-100);color:var(--exambox-gray-800)}.exambox-badge{display:inline-flex;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;border-radius:20px}.exambox-badge-success{background:var(--exambox-success-light);color:var(--exambox-success)}.exambox-badge-warning{background:var(--exambox-warning-light);color:var(--exambox-warning)}.exambox-badge-danger{background:var(--exambox-danger-light);color:var(--exambox-danger)}.exambox-badge-info{background:var(--exambox-info-light);color:var(--exambox-info)}.exambox-input{width:100%;padding:var(--exambox-space-3) var(--exambox-space-4);font-size:14px;border:1px solid var(--exambox-gray-200);border-radius:var(--exambox-radius);transition:all .2s ease;outline:none}.exambox-input:focus{border-color:var(--exambox-primary);box-shadow:0 0 0 3px var(--exambox-primary-light)}.exambox-input::placeholder{color:var(--exambox-gray-400)}.exambox-progress{width:100%;height:8px;background:var(--exambox-gray-100);border-radius:4px;overflow:hidden}.exambox-progress-bar{height:100%;border-radius:4px;transition:width .3s ease}.exambox-avatar{width:40px;height:40px;border-radius:50%;background:var(--exambox-gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px}.exambox-avatar-sm{width:32px;height:32px;font-size:14px}.exambox-avatar-lg{width:56px;height:56px;font-size:20px}.exambox-page{padding:var(--exambox-space-6)}.exambox-section{margin-bottom:var(--exambox-space-6)}.exambox-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--exambox-space-6)}.exambox-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--exambox-space-6)}.exambox-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--exambox-space-6)}@media (max-width: 1024px){.exambox-grid-4,.exambox-grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.exambox-grid-4,.exambox-grid-3,.exambox-grid-2{grid-template-columns:1fr}}@keyframes exambox-fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes exambox-slide-in-right{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes exambox-pulse{0%,to{opacity:1}50%{opacity:.5}}.exambox-animate-fade-in{animation:exambox-fade-in .3s ease forwards}.exambox-animate-slide-in{animation:exambox-slide-in-right .3s ease forwards}.exambox-text-center{text-align:center}.exambox-text-right{text-align:right}.exambox-text-primary{color:var(--exambox-primary)}.exambox-text-success{color:var(--exambox-success)}.exambox-text-danger{color:var(--exambox-danger)}.exambox-text-warning{color:var(--exambox-warning)}.exambox-text-muted{color:var(--exambox-gray-500)}.exambox-mt-1{margin-top:var(--exambox-space-1)}.exambox-mt-2{margin-top:var(--exambox-space-2)}.exambox-mt-3{margin-top:var(--exambox-space-3)}.exambox-mt-4{margin-top:var(--exambox-space-4)}.exambox-mt-6{margin-top:var(--exambox-space-6)}.exambox-mb-1{margin-bottom:var(--exambox-space-1)}.exambox-mb-2{margin-bottom:var(--exambox-space-2)}.exambox-mb-3{margin-bottom:var(--exambox-space-3)}.exambox-mb-4{margin-bottom:var(--exambox-space-4)}.exambox-mb-6{margin-bottom:var(--exambox-space-6)}.exambox-flex{display:flex}.exambox-flex-center{display:flex;align-items:center;justify-content:center}.exambox-flex-between{display:flex;align-items:center;justify-content:space-between}.exambox-flex-gap-2{gap:var(--exambox-space-2)}.exambox-flex-gap-4{gap:var(--exambox-space-4)}.ant-btn-primary{background:var(--exambox-gradient)!important;border:none!important;box-shadow:none!important}.ant-btn-primary:hover{background:var(--exambox-gradient-hover)!important}.ant-menu-item-selected{background:var(--exambox-primary-light)!important;color:var(--exambox-primary)!important}.ant-tabs-tab-active .ant-tabs-tab-btn{color:var(--exambox-primary)!important}.ant-progress-bg{background:var(--exambox-gradient)!important}.ant-card{border-radius:var(--exambox-radius-lg)!important;border-color:var(--exambox-gray-200)!important}:root{--primary-color: #6366f1;--primary-hover: #4f46e5;--secondary-color: #8b5cf6;--success-color: #10b981;--warning-color: #f59e0b;--danger-color: #ef4444;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #f9fafb;--bg-card: #ffffff;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6}.sidebar-upgrade{background:linear-gradient(180deg,#1e1b4b,#312e81);min-height:100vh;color:#fff}.sidebar-logo{height:72px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid rgba(255,255,255,.1);font-size:20px;font-weight:700;letter-spacing:-.5px}.sidebar-logo span{background:linear-gradient(135deg,#a78bfa,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sidebar-menu{padding:16px 12px}.menu-item-upgrade{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;color:#ffffffb3;margin-bottom:4px}.menu-item-upgrade:hover{background:#ffffff1a;color:#fff}.menu-item-upgrade.active{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:var(--shadow-md)}.menu-item-upgrade .icon{font-size:18px;width:24px;text-align:center}.menu-item-upgrade .label{font-weight:500}.card-upgrade{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:all .3s ease}.card-upgrade:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header-upgrade{padding:20px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.card-header-upgrade h3{font-size:18px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}.card-body-upgrade{padding:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border-color);position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--primary-color),var(--secondary-color))}.stat-card .icon-wrapper{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}.stat-card .icon-wrapper.purple{background:#8b5cf61a;color:#8b5cf6}.stat-card .icon-wrapper.blue{background:#3b82f61a;color:#3b82f6}.stat-card .icon-wrapper.green{background:#10b9811a;color:#10b981}.stat-card .icon-wrapper.orange{background:#f59e0b1a;color:#f59e0b}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.stat-card .stat-label{font-size:14px;color:var(--text-secondary)}.stat-card .stat-trend{position:absolute;top:24px;right:24px;font-size:13px;font-weight:500}.stat-card .stat-trend.up{color:var(--success-color)}.stat-card .stat-trend.down{color:var(--danger-color)}.action-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:20px;cursor:pointer;transition:all .3s ease;border:1px solid var(--border-color);text-align:center}.action-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.action-card .icon-wrapper{width:64px;height:64px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 16px;transition:transform .3s ease}.action-card:hover .icon-wrapper{transform:scale(1.1)}.action-card.purple .icon-wrapper{background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff}.action-card.blue .icon-wrapper{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.action-card.green .icon-wrapper{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.action-card.orange .icon-wrapper{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}.action-card .title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.action-card .desc{font-size:13px;color:var(--text-secondary)}.btn-primary-upgrade{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border:none;border-radius:var(--radius-md);padding:12px 24px;font-weight:600;color:#fff;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:8px}.btn-primary-upgrade:hover{transform:translateY(-2px);box-shadow:0 4px 12px #6366f166}.btn-secondary-upgrade{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px 24px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:all .2s ease}.btn-secondary-upgrade:hover{border-color:var(--primary-color);color:var(--primary-color)}.table-upgrade{width:100%;border-collapse:separate;border-spacing:0}.table-upgrade th{background:var(--bg-primary);padding:16px;text-align:left;font-weight:600;font-size:13px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-color)}.table-upgrade td{padding:16px;border-bottom:1px solid var(--border-color)}.table-upgrade tr:hover td{background:#6366f105}.tag-upgrade{display:inline-flex;align-items:center;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:500}.tag-upgrade.easy{background:#10b9811a;color:#059669}.tag-upgrade.medium{background:#3b82f61a;color:#2563eb}.tag-upgrade.hard{background:#f59e0b1a;color:#d97706}.tag-upgrade.expert{background:#ef44441a;color:#dc2626}.progress-upgrade{height:8px;background:var(--bg-primary);border-radius:4px;overflow:hidden}.progress-upgrade .bar{height:100%;border-radius:4px;transition:width .3s ease}.progress-upgrade .bar.low{background:linear-gradient(90deg,#ef4444,#f87171)}.progress-upgrade .bar.medium{background:linear-gradient(90deg,#f59e0b,#fbbf24)}.progress-upgrade .bar.high{background:linear-gradient(90deg,#10b981,#34d399)}.wrong-question-card{background:var(--bg-card);border-radius:var(--radius-md);padding:20px;margin-bottom:12px;border-left:4px solid var(--danger-color);transition:all .2s ease}.wrong-question-card:hover{box-shadow:var(--shadow-md)}.wrong-question-card.mastered{border-left-color:var(--success-color)}.mastery-indicator{display:flex;align-items:center;gap:8px}.mastery-ring{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}.mastery-ring.low{background:#ef44441a;color:#dc2626}.mastery-ring.medium{background:#f59e0b1a;color:#d97706}.mastery-ring.high{background:#10b9811a;color:#059669}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}.animate-fade-in{animation:fadeIn .3s ease forwards}.animate-slide-in{animation:slideIn .3s ease forwards}.exambox-layout{display:flex;height:100vh;overflow:hidden}.exambox-sidebar-desktop{flex-shrink:0;height:100vh;overflow-y:auto}.exambox-main-content{flex:1;overflow-y:auto;background:#f9fafb;padding:24px}.exambox-mobile-header{display:none;position:fixed;top:0;left:0;right:0;z-index:999;background:linear-gradient(135deg,#1e1b4b,#312e81);box-shadow:0 2px 8px #00000026}.exambox-mobile-header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 16px}.exambox-mobile-logo{font-size:18px;font-weight:700;background:linear-gradient(135deg,#a78bfa,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.exambox-mobile-menu-btn{background:#ffffff1a;border:none;color:#fff;width:36px;height:36px;border-radius:8px;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.exambox-mobile-menu-btn:hover{background:#fff3}.exambox-mobile-drawer .ant-drawer-body{padding:0!important}@media (max-width: 1024px){.exambox-sidebar-desktop{display:none}.exambox-mobile-header{display:block}.exambox-main-content{margin-top:60px;padding:16px}.sidebar-upgrade{display:none!important}}@media (max-width: 768px){.exambox-main-content{margin-top:60px;padding:12px}.sidebar-upgrade{display:none!important}}.exambox-mobile-drawer .sidebar-upgrade{min-height:100vh;display:flex!important;flex-direction:column}.landing{--green: #16a34a;--green-light: #dcfce7;--green-dark: #15803d;--indigo: #6366f1;--indigo-light: #eef2ff;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius-sm: 6px;--radius: 10px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow: 0 4px 12px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);--shadow-lg: 0 10px 30px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.04);--shadow-xl: 0 20px 50px rgba(0,0,0,.1), 0 8px 20px rgba(0,0,0,.06);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#fff;color:var(--gray-900);overflow-x:hidden;-webkit-font-smoothing:antialiased}.landing-nav{position:sticky;top:0;z-index:100;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-200)}.landing-nav-inner{max-width:1120px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:32px}.landing-logo{display:flex;align-items:center;gap:8px;cursor:pointer;text-decoration:none;color:var(--gray-900);flex-shrink:0}.landing-logo svg{color:var(--green)}.landing-logo-text{font-size:18px;font-weight:700;letter-spacing:-.4px;color:var(--gray-900)}.landing-nav-links{display:flex;gap:28px;flex:1}.landing-nav-links span{font-size:14px;font-weight:500;color:var(--gray-500);cursor:pointer;transition:color .15s}.landing-nav-links span:hover{color:var(--gray-900)}.landing-nav-actions{display:flex;gap:10px;align-items:center;flex-shrink:0}.landing-nav-actions .ant-btn-default{color:var(--gray-600);border-color:var(--gray-300);background:transparent}.landing-nav-actions .ant-btn-default:hover{color:var(--gray-900);border-color:var(--gray-400)}.landing-nav-actions .ant-btn-primary{background:var(--green);border-color:var(--green);font-weight:600}.landing-nav-actions .ant-btn-primary:hover{background:var(--green-dark)!important;border-color:var(--green-dark)!important}.landing-nav-actions .ant-btn{border-radius:100px}.hero{background:linear-gradient(160deg,#f0fdf4,#f8fffe,#fff);padding:0 24px;overflow:hidden}.hero-inner{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px;padding-top:80px}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--green-light);border:1px solid rgba(22,163,74,.2);border-radius:100px;font-size:13px;font-weight:600;color:var(--green)}.hero-badge svg{width:13px;height:13px}.hero-title{font-size:clamp(36px,5.5vw,64px);font-weight:800;line-height:1.1;letter-spacing:-2px;color:var(--gray-900);margin:0;max-width:700px}.hero-title-accent{background:linear-gradient(135deg,var(--green) 0%,#4ade80 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:clamp(16px,2vw,19px);color:var(--gray-500);line-height:1.7;margin:0;max-width:520px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.hero-actions .ant-btn-primary{height:50px;padding:0 32px;font-size:16px;font-weight:700;background:var(--green);border:none;border-radius:100px;box-shadow:0 4px 14px #16a34a59;transition:all .2s}.hero-actions .ant-btn-primary:hover{background:var(--green-dark)!important;transform:translateY(-2px);box-shadow:0 6px 20px #16a34a66}.hero-actions .ant-btn-default{height:50px;padding:0 28px;font-size:15px;color:var(--gray-600);border-color:var(--gray-300);background:#fff;border-radius:100px;box-shadow:var(--shadow-sm)}.hero-actions .ant-btn-default:hover{color:var(--gray-900);border-color:var(--gray-400);background:#fff}.hero-actions .ant-btn svg{vertical-align:middle;margin-left:4px}.hero-demo{max-width:1120px;margin:56px auto 0;padding:0 24px}@media (min-width: 960px){.hero{padding:0 24px;display:block}.hero-layout{max-width:1200px;margin:0 auto;padding:80px 40px 0;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;width:100%;box-sizing:border-box}.hero-inner{text-align:left;align-items:flex-start;padding-top:0;max-width:none;margin:0}.hero-inner .hero-actions{justify-content:flex-start}.hero-inner .hero-subtitle{max-width:440px}.hero-demo{margin:0;padding:0;max-width:none}}.demo-window{background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden;border:1px solid var(--gray-200)}.demo-bar{background:var(--gray-100);padding:12px 16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--gray-200)}.demo-dots{display:flex;gap:6px}.demo-dots span{width:10px;height:10px;border-radius:50%;background:var(--gray-300)}.demo-dots span:nth-child(1){background:#ff5f57}.demo-dots span:nth-child(2){background:#ffbd2e}.demo-dots span:nth-child(3){background:#28ca41}.demo-title-bar{font-size:12px;color:var(--gray-400);flex:1;text-align:center}.demo-content{display:flex;height:320px}.demo-sidebar{width:180px;background:var(--gray-50);border-right:1px solid var(--gray-200);padding:16px 8px;flex-shrink:0}.demo-nav-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--radius);font-size:13px;color:var(--gray-500);cursor:default;transition:all .15s}.demo-nav-item svg{flex-shrink:0}.demo-nav-item.active{background:var(--green-light);color:var(--green);font-weight:600}.demo-main{flex:1;padding:24px;display:flex;flex-direction:column;gap:20px;overflow:hidden}.demo-card{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:20px}.demo-card-label{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--gray-400);margin-bottom:6px}.demo-card-title{font-size:18px;font-weight:700;color:var(--gray-900);margin-bottom:10px}.demo-card-meta{display:flex;gap:8px;margin-bottom:14px}.demo-tag{font-size:11px;font-weight:600;padding:2px 8px;background:var(--indigo-light);color:var(--indigo);border-radius:100px}.demo-progress{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden;margin-bottom:6px}.demo-progress-bar{height:100%;background:linear-gradient(90deg,var(--green) 0%,#4ade80 100%);border-radius:3px;transition:width .6s}.demo-progress-label{font-size:12px;color:var(--gray-400)}.demo-stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.demo-stat{background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius);padding:14px;text-align:center}.demo-stat-num{font-size:22px;font-weight:800;color:var(--gray-900);line-height:1;margin-bottom:4px}.demo-stat-num.green{color:var(--green)}.demo-stat-label{font-size:11px;color:var(--gray-400);font-weight:500}.trust-bar{border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200);background:var(--gray-50)}.trust-bar-inner{max-width:1120px;margin:0 auto;padding:32px 24px;display:flex;align-items:center;justify-content:center;gap:0}.trust-item{flex:1;display:flex;align-items:center;justify-content:center;gap:12px;padding:0 20px}.trust-item svg{color:var(--green);flex-shrink:0}.trust-num{font-size:26px;font-weight:800;color:var(--gray-900);line-height:1}.trust-label{font-size:13px;color:var(--gray-500)}.trust-divider{width:1px;height:40px;background:var(--gray-200);flex-shrink:0}.section-inner{max-width:1120px;margin:0 auto;padding:80px 24px}.section-header{text-align:center;margin-bottom:48px}.section-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--green);background:var(--green-light);padding:4px 14px;border-radius:100px;margin-bottom:14px}.section-title{font-size:clamp(28px,3.5vw,44px);font-weight:800;line-height:1.2;letter-spacing:-1.5px;color:var(--gray-900);margin:0 0 12px}.section-desc{font-size:16px;color:var(--gray-500);line-height:1.7;margin:0}.features{background:var(--gray-50)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px;transition:all .2s cubic-bezier(.16,1,.3,1);cursor:default}.feature-card:hover{border-color:#16a34a4d;box-shadow:var(--shadow-lg);transform:translateY(-3px)}.feature-icon{width:44px;height:44px;background:var(--green-light);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--green);margin-bottom:16px}.feature-title{font-size:16px;font-weight:700;color:var(--gray-900);margin:0 0 8px}.feature-desc{font-size:14px;color:var(--gray-500);line-height:1.65;margin:0}.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.step-card{padding:32px 28px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);text-align:center;transition:all .2s;position:relative}.step-card:hover{border-color:#16a34a4d;background:#fff;box-shadow:var(--shadow)}.step-num{font-size:48px;font-weight:800;background:linear-gradient(135deg,#16a34a1f,#16a34a0d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:12px}.step-icon{width:52px;height:52px;background:var(--green-light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--green);margin:0 auto 16px}.step-title{font-size:17px;font-weight:700;color:var(--gray-900);margin:0 0 8px}.step-desc{font-size:14px;color:var(--gray-500);line-height:1.65;margin:0}.subjects-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.subject-card{display:flex;align-items:center;gap:10px;padding:16px 20px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-md);font-size:14px;font-weight:600;color:var(--gray-700);cursor:default;transition:all .2s}.subject-card svg{color:var(--green);flex-shrink:0}.subject-card:hover{background:var(--green-light);border-color:#16a34a4d;color:var(--green-dark)}.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.testimonial-card{padding:28px;background:var(--gray-50);border:1px solid var(--gray-200);border-radius:var(--radius-lg);transition:all .2s}.testimonial-card:hover{background:#fff;box-shadow:var(--shadow);border-color:#16a34a33}.testimonial-stars{display:flex;gap:2px;margin-bottom:14px;color:#fbbf24}.testimonial-stars svg{width:14px;height:14px}.testimonial-quote{font-size:15px;color:var(--gray-700);line-height:1.7;margin:0 0 20px;font-style:italic}.testimonial-author{display:flex;align-items:center;gap:10px}.testimonial-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--green) 0%,#4ade80 100%);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff;flex-shrink:0}.testimonial-name{font-size:14px;font-weight:600;color:var(--gray-900)}.testimonial-subject{font-size:12px;color:var(--gray-400);margin-top:2px}.social-proof{background:var(--gray-50);border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200)}.social-proof-inner{max-width:1120px;margin:0 auto;padding:40px 24px;display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}.social-proof-label{font-size:14px;color:var(--gray-400);font-weight:500;margin:0}.social-proof-logos{display:flex;gap:32px;align-items:center}.proof-logo{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--gray-500)}.proof-logo svg{color:var(--green)}.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:0;border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden}.faq-item{padding:20px 24px;border-bottom:1px solid var(--gray-200);cursor:pointer;transition:background .15s;background:#fff}.faq-item:last-child{border-bottom:none}.faq-item:hover{background:var(--gray-50)}.faq-open{background:var(--gray-50)!important}.faq-q{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:600;color:var(--gray-800);gap:12px}.faq-chevron{flex-shrink:0;color:var(--gray-400);transition:transform .2s}.faq-chevron-open{transform:rotate(180deg)}.faq-a{font-size:14px;color:var(--gray-500);line-height:1.7;margin-top:12px;padding-top:12px;border-top:1px solid var(--gray-200)}.cta-section{background:linear-gradient(135deg,#f0fdf4,#dcfce7,#f0fdf4);border-top:1px solid rgba(22,163,74,.15);border-bottom:1px solid rgba(22,163,74,.15)}.cta-inner{max-width:560px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;padding:80px 24px}.cta-icon{width:60px;height:60px;background:var(--green);border-radius:18px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 6px 20px #16a34a4d}.cta-icon svg{width:28px;height:28px}.cta-title{font-size:clamp(26px,3.5vw,38px);font-weight:800;color:var(--gray-900);margin:0;letter-spacing:-1px}.cta-desc{font-size:16px;color:var(--gray-500);margin:0}.cta-inner .ant-btn-primary{height:52px;padding:0 36px;font-size:16px;font-weight:700;background:var(--green);border:none;border-radius:100px;box-shadow:0 4px 14px #16a34a59;transition:all .2s}.cta-inner .ant-btn-primary:hover{background:var(--green-dark)!important;transform:translateY(-2px);box-shadow:0 6px 20px #16a34a66}.landing-footer{background:var(--gray-900);padding:40px 24px}.landing-footer-inner{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.landing-footer-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#fff}.landing-footer-brand svg{color:var(--green)}.landing-footer-links{display:flex;gap:20px}.landing-footer-links a{font-size:13px;color:var(--gray-400);cursor:pointer;transition:color .15s;text-decoration:none}.landing-footer-links a:hover{color:#fff}.landing-footer-copy{font-size:13px;color:var(--gray-600)}@media (max-width: 959px){.hero-layout{grid-template-columns:1fr!important;padding:60px 20px 0!important;gap:40px!important}.hero-inner{text-align:center!important;align-items:center!important}.hero-inner .hero-actions{justify-content:center!important}.hero-demo{margin:0!important}}@media (max-width: 900px){.features-grid,.subjects-grid{grid-template-columns:repeat(2,1fr)}.testimonials-grid,.steps-row{grid-template-columns:1fr}.landing-nav-links{display:none}.trust-bar-inner{flex-wrap:wrap;gap:24px}.trust-divider{display:none}.trust-item{flex:0 0 calc(50% - 12px)}}@media (max-width: 600px){.features-grid,.subjects-grid{grid-template-columns:1fr}.demo-content{flex-direction:column;height:auto}.demo-sidebar{width:100%;flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--gray-200)}.demo-nav-item{white-space:nowrap}.demo-stat-row{grid-template-columns:1fr}.landing-footer-inner{flex-direction:column;align-items:center;text-align:center}.social-proof-inner{flex-direction:column;gap:20px}.hero{padding:0 20px}}@media (min-width: 1400px){.hero-layout{max-width:1360px;padding:100px 60px 0;gap:80px}.demo-content{height:360px}}@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{text-rendering:auto;font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.9"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.27777778em;margin-right:-.55555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.83333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.16666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.33333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.66666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.45666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.14666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.71428571em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.85714286em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.14285714em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.28571429em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.42857143em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.71428571em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.05714286em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.46857143em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.96285714em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.55428571em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.55555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.66666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.77777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.88888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.11111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.33333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.30444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.76444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.41666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.58333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.66666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.83333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.72833333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.07333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.34722222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.41666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.48611111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.55555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.69444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.83333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.44027778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.72777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.28935185em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.34722222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.40509259em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.46296296em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.52083333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.69444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.83333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.20023148em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.43981481em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.24108004em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.28929605em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.33751205em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.38572806em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.43394407em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.48216008em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.57859209em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.69431051em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.83317261em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.19961427em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.20096463em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.24115756em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.28135048em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.32154341em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.36173633em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.40192926em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.48231511em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.57877814em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.69453376em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.83360129em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.profile-card{border-radius:12px;border:1px solid #f1f5f9}.profile-stat{display:flex;align-items:center;gap:16px;padding:16px 0}.profile-stat .stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}.profile-stat .stat-label{color:#64748b;font-size:13px}.profile-stat .stat-value{font-weight:600;color:#1e293b;font-size:15px}.stat-mini-card{border-radius:12px;border:1px solid #f1f5f9;text-align:center}.stat-mini-card .ant-statistic-title{font-size:13px;color:#64748b}.stat-mini-card .ant-statistic-content{font-size:24px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.ant-btn-primary{background:linear-gradient(135deg,#6366f1,#8b5cf6)!important;border:none!important}.ant-btn-primary:hover{background:linear-gradient(135deg,#4f46e5,#7c3aed)!important;transform:translateY(-1px);box-shadow:0 4px 12px #6366f159!important}.ant-tabs-tab-active .ant-tabs-tab-btn{color:#6366f1!important;font-weight:600}.ant-tabs-ink-bar{background:linear-gradient(135deg,#6366f1,#8b5cf6)!important}.ant-progress-bg{background:linear-gradient(90deg,#6366f1,#8b5cf6)!important}.ant-card{border-radius:16px!important}.ant-card-head{border-bottom-color:#f0f0f0!important}.ant-modal-content{border-radius:16px!important;overflow:hidden}.ant-modal-header{border-radius:16px 16px 0 0!important}.ant-input:focus,.ant-input-focused,.ant-select-focused .ant-select-selector{border-color:#6366f1!important;box-shadow:0 0 0 2px #6366f126!important}.ant-pagination-item-active{border-color:#6366f1!important;background:#6366f1!important}.ant-pagination-item-active a{color:#fff!important}.ant-table-thead>tr>th{background:#f9fafb!important;font-weight:600!important;font-size:12px!important;text-transform:uppercase;letter-spacing:.5px;color:#6b7280!important;border-bottom:1px solid #e5e7eb!important}.ant-table-tbody>tr:hover>td{background:#6366f10a!important}.ant-table-wrapper .ant-table-pagination{padding:12px 0!important}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;width:100%}@media (max-width: 768px){body{overflow-x:hidden}}