:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#678ae1;--accent-bg:#488dcd1f;--accent-border:#2f82b66b;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:19.5px/150% var(--sans);letter-spacing:.2px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (width<=1024px){:root{font-size:17.5px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#60a5fa;--accent-bg:#60a5fa33;--accent-border:#60a5fa99;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;background:#f8fbff;margin:0;font-size:1rem;line-height:1.55}button,.card,input,select,textarea{transition:all .18s}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.74px;margin:32px 0;font-size:58px}@media (width<=1024px){h1{margin:20px 0;font-size:38px}}h2{letter-spacing:-.26px;margin:0 0 8px;font-size:26px;line-height:118%}@media (width<=1024px){h2{font-size:21px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:16px;line-height:135%}.counter{color:var(--accent);background:var(--accent-bg);border:2px solid #0000;border-radius:5px;margin-bottom:24px;padding:5px 10px;font-size:17px;transition:border-color .3s}.counter:hover{border-color:var(--accent-border)}.counter:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hero{position:relative}.hero .base,.hero .framework,.hero .vite{margin:0 auto;inset-inline:0}.hero .base{z-index:0;width:170px;position:relative}.hero .framework,.hero .vite{position:absolute}.hero .framework{z-index:1;height:28px;top:34px;transform:perspective(2000px)rotate(300deg)rotateX(44deg)rotateY(39deg)scale(1.4)}.hero .vite{z-index:0;width:auto;height:26px;top:107px;transform:perspective(2000px)rotate(300deg)rotateX(40deg)rotateY(39deg)scale(.8)}#app{box-sizing:border-box;zoom:1.04;flex-direction:column;width:100%;max-width:100%;min-height:100svh;margin:0;display:flex}#center{flex-direction:column;flex-grow:1;place-content:center;place-items:center;gap:25px;display:flex}@media (width<=1024px){#center{gap:18px;padding:32px 20px 24px}}#next-steps{border-top:1px solid var(--border);text-align:left;display:flex}#next-steps>div{flex:1 1 0;padding:32px}@media (width<=1024px){#next-steps>div{padding:24px 20px}}#next-steps .icon{width:22px;height:22px;margin-bottom:16px}@media (width<=1024px){#next-steps{text-align:center;flex-direction:column}}#docs{border-right:1px solid var(--border)}@media (width<=1024px){#docs{border-right:none;border-bottom:1px solid var(--border)}}#next-steps ul{gap:8px;margin:32px 0 0;padding:0;list-style:none;display:flex}#next-steps ul .logo{height:18px}#next-steps ul a{color:var(--text-h);background:var(--social-bg);border-radius:6px;align-items:center;gap:8px;padding:6px 12px;font-size:16px;text-decoration:none;transition:box-shadow .3s;display:flex}#next-steps ul a:hover{box-shadow:var(--shadow)}#next-steps ul a .button-icon{width:18px;height:18px}@media (width<=1024px){#next-steps ul{flex-wrap:wrap;justify-content:center;margin-top:20px}#next-steps ul li{flex:calc(50% - 8px)}#next-steps ul a{box-sizing:border-box;justify-content:center;width:100%}}#spacer{border-top:1px solid var(--border);height:88px}@media (width<=1024px){#spacer{height:48px}}.ticks{width:100%;position:relative}.ticks:before,.ticks:after{content:"";border:5px solid #0000;position:absolute;top:-4.5px}.ticks:before{border-left-color:var(--border);left:0}.ticks:after{border-right-color:var(--border);right:0}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}:root{--edu-color-primary:#1890ff;--edu-color-primary-hover:#1677d8;--edu-color-primary-active:#0e66bd;--edu-color-secondary:#52c41a;--edu-color-secondary-hover:#45a515;--edu-color-secondary-active:#378411;--edu-color-success:#52c41a;--edu-color-warning:#ff7d00;--edu-color-danger:#f53f3f;--edu-color-bg-page:#fff;--edu-color-bg-card:#f7f8fa;--edu-color-bg-soft:#f3f7fb;--edu-color-text:#262626;--edu-color-text-secondary:#8c8c8c;--edu-color-disabled:#bfbfbf;--edu-color-border:#e8eaee;--edu-nav-gradient:linear-gradient(120deg, #1890ff 0%, #52c41a 100%);--edu-accent-gradient:linear-gradient(120deg, #1890ff 0%, #52c41a 100%);--edu-table-head:linear-gradient(120deg, #1890ff1f, #52c41a1f);--edu-shadow-card:0 2px 12px 0 #0000000f;--edu-shadow-card-hover:0 4px 16px 0 #0000001a;--edu-shadow-focus:0 0 0 3px #1890ff29;--edu-radius-lg:12px;--edu-radius-md:8px;--edu-radius-sm:6px;--edu-space-page-x:24px;--edu-space-module-y:32px;--edu-space-card:20px;--edu-space-content:16px;--edu-font-family:Inter, system-ui, -apple-system, "Microsoft YaHei", sans-serif;--edu-line-height-title:1.2;--edu-line-height-body:1.5}html,body,#app{background:var(--edu-color-bg-page);color:var(--edu-color-text);font-family:var(--edu-font-family)}body{font-size:15px;line-height:var(--edu-line-height-body)}h1,h2,h3{color:var(--edu-color-text);line-height:var(--edu-line-height-title);font-weight:700}h1{font-size:clamp(30px,2.8vw,32px)}h2{font-size:clamp(22px,2.2vw,24px)}h3{font-size:clamp(17px,1.8vw,18px)}p,li,td,th,label,input,textarea,select,button{font-family:var(--edu-font-family)}small,.hint,.muted,.sub,.meta{color:var(--edu-color-text-secondary);font-size:12px}a{color:var(--edu-color-primary);text-decoration:none;transition:all .3s}a:hover{color:var(--edu-color-secondary)}.page,[class*=page]{box-sizing:border-box;padding-left:max(var(--edu-space-page-x), env(safe-area-inset-left));padding-right:max(var(--edu-space-page-x), env(safe-area-inset-right))}.hero,[class*=hero]{isolation:isolate;position:relative}.hero:before,[class*=hero]:before{content:"";pointer-events:none;opacity:.18;z-index:-1;background:radial-gradient(1000px 420px at 10% 8%,#52c41a2e,#0000 60%),radial-gradient(900px 360px at 88% 16%,#1890ff33,#0000 62%);position:absolute;inset:0}.top-nav,.topbar,.header,[class*=top-nav],[class*=topbar],[class*=header]{border-radius:var(--edu-radius-lg)}.top-nav,.topbar{background:var(--edu-nav-gradient);color:#fff;box-shadow:var(--edu-shadow-card)}.top-nav *,.topbar *{color:inherit}.top-nav a:hover,.topbar a:hover,.top-nav button:hover,.topbar button:hover{color:#c9ffd2}.card,.panel,.tile,.course-card,.service-card,[class*=card],[class*=panel]{border:1px solid var(--edu-color-border);border-radius:var(--edu-radius-lg);box-shadow:var(--edu-shadow-card);background:#fff;transition:all .3s}.card:hover,.panel:hover,.tile:hover,.course-card:hover,.service-card:hover,[class*=card]:hover,[class*=panel]:hover{box-shadow:var(--edu-shadow-card-hover);transform:translateY(-2px)}.section,[class*=section],.content-grid,[class*=content-grid]{gap:var(--edu-space-module-y)}button,.btn,.primary,.ghost,.cta,[class*=button]{border-radius:var(--edu-radius-md);font-size:14px;font-weight:700;transition:all .3s}.primary,button.primary,.btn.primary{background:var(--edu-color-primary);color:#fff;border:1px solid var(--edu-color-primary)}.primary:hover,button.primary:hover,.btn.primary:hover{background:var(--edu-color-primary-hover);border-color:var(--edu-color-primary-hover)}.primary:active,button.primary:active,.btn.primary:active{background:var(--edu-color-primary-active);transform:translateY(1px)scale(.99)}.ghost,.btn.ghost{border:1px solid var(--edu-color-secondary);color:var(--edu-color-secondary);background:#fff}.ghost:hover,.btn.ghost:hover{background:var(--edu-color-secondary);color:#fff}input[type=text],input[type=password],input[type=number],input[type=search],textarea,select{border-radius:var(--edu-radius-sm);border:1px solid var(--edu-color-border);background:#fff;transition:all .3s}input:focus,textarea:focus,select:focus{border-color:var(--edu-color-primary);box-shadow:var(--edu-shadow-focus);outline:none}input:disabled,textarea:disabled,select:disabled,button:disabled{color:var(--edu-color-disabled)}.tag,[class*=tag]{border-radius:999px;padding:2px 10px;font-size:12px}.success,[class*=success]{color:#fff;background:var(--edu-color-success)}.error,[class*=error]{color:#fff;background:var(--edu-color-danger)}.warning,[class*=warning]{color:#fff;background:var(--edu-color-warning)}table{border-collapse:separate;border-spacing:0;border-radius:var(--edu-radius-md);width:100%;overflow:hidden}thead tr{background:var(--edu-table-head)}thead th{color:var(--edu-color-primary);text-align:center;font-weight:700}tbody tr:nth-child(2n){background:#fafafa}tbody tr:hover{background:#1890ff14}.modal,.drawer,[class*=modal],[class*=drawer]{border-radius:var(--edu-radius-lg);border:1px solid var(--edu-color-border);box-shadow:var(--edu-shadow-card-hover);background:#fff}.modal:before,.drawer:before,[class*=modal]:before,[class*=drawer]:before{content:"";border-radius:var(--edu-radius-lg) var(--edu-radius-lg) 0 0;background:var(--edu-accent-gradient);height:4px;display:block}.module-chip,.module-tag,[class*=chip],[class*=module] [class*=tag]{background:var(--edu-accent-gradient);color:#fff;border:none}.loading-ring,[class*=loading]:after{border-color:var(--edu-color-primary) var(--edu-color-primary) var(--edu-color-secondary) var(--edu-color-secondary)}:root{--teacher-nav-gradient:linear-gradient(90deg, #003e7e 0%, #3b2c6e 34%, #66244d 68%, #7a1d2c 100%);--teacher-nav-gradient-dark:linear-gradient(90deg, #002f5f 0%, #2d2154 34%, #4d1b3b 68%, #581520 100%);--teacher-nav-gradient-vertical:linear-gradient(180deg, #003e7e 0%, #3b2c6e 34%, #66244d 68%, #7a1d2c 100%)}