:root{--bg:#f6f7fc;--ink:#10132b;--muted:#5f6488;--brand:#6d4aff;--brand-2:#22d3ee;--accent:#a78bfa;--card:#fff;--line:#e8e9f4;--ok:#13b981;--warn:#c98a12;--danger:#e0483c;--radius:16px;--ink-dark:#0a0e22}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}.brand,h1,h2,h3{font-family:Plus Jakarta Sans,Inter,sans-serif;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--ink)}a{color:inherit}.container{max-width:1120px;margin:0 auto;padding:0 20px}.link{color:var(--brand);text-decoration:none;font-weight:600}.link:hover{text-decoration:underline}.muted{color:var(--muted)}.grad-text{background:linear-gradient(100deg,#7c5cff 10%,#22d3ee 90%);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:11px 18px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;background:#ecebff;color:var(--brand);transition:.15s}.btn:hover{filter:brightness(.98)}.btn-primary{background:linear-gradient(110deg,#6d4aff,#22d3ee);color:#fff;box-shadow:0 10px 26px -10px rgba(86,80,255,.7)}.btn-ghost{background:transparent;color:var(--ink)}.btn-outline{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn-sm{padding:7px 12px;font-size:14px;border-radius:10px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.pill{display:inline-block;font-size:12px;font-weight:700;padding:4px 11px;border-radius:30px;background:#ecebff;color:var(--brand)}.pill.free{background:#e3f8f0;color:var(--ok)}.mono{font-family:JetBrains Mono,ui-monospace,monospace}.site-head{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(246,247,252,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.site-head .in{justify-content:space-between;height:66px}.brand,.site-head .in{display:flex;align-items:center}.brand{font-size:20px;gap:9px;text-decoration:none}.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(120deg,#6d4aff,#22d3ee);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 4px 14px -4px rgba(86,80,255,.7)}.site-nav{display:flex;align-items:center;gap:22px}.site-nav a{text-decoration:none;font-weight:600;color:var(--muted)}.site-nav a:hover{color:var(--ink)}.site-nav a.btn-primary,.site-nav a.btn-primary:hover{color:#fff}.site-nav a.btn-outline{color:var(--ink)}@media(max-width:680px){.site-nav a.hide-sm{display:none}}.hero{position:relative;overflow:hidden;background:radial-gradient(900px 500px at 50% -10%,#241a5e 0,#0d1130 55%,#080a1c 100%);color:#fff;padding:84px 0 64px;text-align:center}.hero:after,.hero:before{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.55;z-index:0}.hero:before{width:360px;height:360px;background:#6d4aff;top:-90px;left:-60px}.hero:after{width:340px;height:340px;background:#22d3ee;bottom:-120px;right:-40px}.hero .container{position:relative;z-index:1}.hero h1{font-size:48px;margin:0 0 14px;color:#fff}.hero p{font-size:19px;color:#c7cbef;max-width:660px;margin:0 auto 24px}.hero .tag{display:inline-flex;align-items:center;gap:8px;background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.4);color:#cfc6ff;font-weight:700;padding:6px 14px;border-radius:30px;font-size:13px;margin-bottom:18px}.chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:26px}.chips span{font-size:13px;color:#aeb3e0;border:1px solid hsla(0,0%,100%,.14);background:hsla(0,0%,100%,.04);padding:6px 12px;border-radius:30px}@media(max-width:680px){.hero h1{font-size:33px}}.section{padding:46px 0}.section h2{font-size:28px;margin:0 0 6px}.section .sub{color:var(--muted);margin:0 0 26px}.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:22px;gap:22px}.course{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:.18s}.course:hover{transform:translateY(-3px);box-shadow:0 18px 34px -20px rgba(16,19,43,.4)}.course .cover{aspect-ratio:16/9;background:linear-gradient(120deg,#6d4aff,#22d3ee);display:grid;place-items:center;color:#fff;font-weight:800;font-size:26px}.course .cover img{width:100%;height:100%;object-fit:cover}.course .body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1 1}.course .body h3{font-size:17px;margin:0}.course .body .desc{color:var(--muted);font-size:14px;flex:1 1}.course .meta{display:flex;justify-content:space-between;align-items:center;margin-top:6px}.course .price{font-weight:800;font-family:Plus Jakarta Sans,sans-serif}.course-hero{background:radial-gradient(700px 360px at 20% -20%,#2a1f66,#0d1130 70%);color:#fff;padding:46px 0}.course-hero h1{color:#fff;font-size:36px;margin:0 0 10px}.course-hero p{color:#c7cbef;font-size:18px;max-width:640px}.course-hero .crumbs{color:#a9aee0;font-size:14px;margin-bottom:14px}.course-hero .crumbs a{color:#cfc6f7;text-decoration:none}.layout-2{display:grid;grid-template-columns:1fr 340px;grid-gap:30px;gap:30px;align-items:start;padding:36px 0}@media(max-width:880px){.layout-2{grid-template-columns:1fr}}.curriculum .mod{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}.curriculum .mod>.t{background:#f1f0ff;padding:12px 16px;font-weight:700}.curriculum .les{display:flex;justify-content:space-between;padding:11px 16px;border-top:1px solid var(--line);font-size:15px}.buybox{position:-webkit-sticky;position:sticky;top:86px}.buybox .price{font-size:34px;font-weight:800;font-family:Plus Jakarta Sans,sans-serif}.authwrap{min-height:80vh;display:grid;place-items:center;padding:40px 20px}.authcard{width:100%;max-width:420px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}.field label{font-size:13px;font-weight:600;color:var(--muted)}.field input,.field select,.field textarea{padding:11px 13px;border:1px solid var(--line);border-radius:11px;font:inherit;background:#fff;color:var(--ink)}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #cfc6ff;border-color:var(--brand)}.stack{display:flex;flex-direction:column;gap:12px}.alert{padding:11px 14px;border-radius:11px;font-size:14px;margin-bottom:12px}.alert.bad{background:#fdecea;color:var(--danger)}.alert.good{background:#e3f8f0;color:var(--ok)}.center-link{text-align:center;margin-top:14px;font-size:14px;color:var(--muted)}.app-bar{background:#fff;border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;z-index:20}.app-bar .in{display:flex;align-items:center;justify-content:space-between;height:62px}.app-wrap{max-width:1120px;margin:0 auto;padding:26px 20px}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px}.tabs a{font-size:14px;font-weight:600;padding:8px 14px;border-radius:10px;color:var(--muted);text-decoration:none}.tabs a.on{background:#ecebff;color:var(--brand)}.grid{display:grid;grid-gap:16px;gap:16px}.grid.c2{grid-template-columns:1fr 1fr}.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}@media(max-width:760px){.grid.c2,.grid.c3{grid-template-columns:1fr}}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}.stat .n{font-family:Plus Jakarta Sans,sans-serif;font-size:28px;font-weight:800}.stat .l{font-size:13px;color:var(--muted)}.page{font-size:26px;margin:2px 0 4px}.sub{color:var(--muted);margin:0 0 18px;font-size:14px}.tbl{width:100%;border-collapse:collapse}.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);padding:0 10px 10px}.tbl td{padding:11px 10px;border-top:1px solid var(--line);font-size:14px}.tbl .right{text-align:right}.foot{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px;margin-top:40px}.post-content{font-size:17px;line-height:1.8;color:#23263f}.post-content h2{font-size:26px;margin:28px 0 10px}.post-content h3{font-size:21px;margin:22px 0 8px}.post-content p{margin:0 0 16px}.post-content ol,.post-content ul{margin:0 0 16px;padding-left:24px}.post-content li{margin:4px 0}.post-content img{max-width:100%;border-radius:12px;margin:14px 0}.post-content blockquote{border-left:4px solid var(--brand);margin:16px 0;padding:6px 16px;color:var(--muted);background:#f6f3ff;border-radius:0 10px 10px 0}.post-content a{color:var(--brand);font-weight:600}.burger{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:6px;border-radius:8px;line-height:0}@media(max-width:680px){.burger{display:inline-flex;align-items:center}}.mobile-panel{border-top:1px solid var(--line);background:rgba(246,247,252,.98)}.mobile-panel .container{display:flex;flex-direction:column;padding-top:6px;padding-bottom:12px}.mobile-panel a{padding:12px 2px;text-decoration:none;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}.mobile-panel a:last-child{border-bottom:0}*{min-width:0}canvas,iframe,img,svg,video{max-width:100%;height:auto}body,html{overflow-x:hidden}@media(max-width:560px){table:not(.no-resp){display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}h1{font-size:clamp(1.5rem,7vw,2.2rem);word-break:break-word}h2{font-size:clamp(1.2rem,5.5vw,1.6rem)}}.blog-hero{padding:46px 0 6px}.blog-hero h2{font-size:clamp(2rem,4vw,2.7rem);max-width:720px;margin:6px 0 0}.cat-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.cat-bar a{font:600 13px/1 JetBrains Mono,ui-monospace,monospace;letter-spacing:.02em;padding:9px 15px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted);text-decoration:none;transition:.15s}.cat-bar a:hover{color:var(--brand);border-color:var(--brand)}.cat-bar a.on{background:linear-gradient(110deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}.blog-feat{display:grid;grid-template-columns:1.4fr 1fr;grid-gap:26px;gap:26px;margin:30px 0 12px;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 12px 30px -18px rgba(16,19,43,.28);cursor:pointer;transition:.2s;text-decoration:none;color:inherit}.blog-feat:hover{box-shadow:0 24px 46px -22px rgba(16,19,43,.4);transform:translateY(-2px)}.blog-feat .cover{background:linear-gradient(135deg,#1b1640,#2a2363);min-height:280px;position:relative;color:#fff;display:flex;align-items:flex-end;padding:28px}.blog-feat .cover .k{font:600 12px/1 JetBrains Mono,ui-monospace,monospace;letter-spacing:.1em;text-transform:uppercase;color:#8b93f5}.blog-feat .body{padding:30px;display:flex;flex-direction:column}.blog-feat .cat{font:700 11px/1 JetBrains Mono,ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}.blog-feat h3{font-size:1.6rem;margin:10px 0}.blog-feat .meta{font:500 12px/1 JetBrains Mono,ui-monospace,monospace;color:var(--muted);display:flex;gap:12px;margin-top:4px}.blog-feat .more{margin-top:18px;color:var(--brand);font-weight:700}.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:22px;gap:22px;margin-top:26px;margin-bottom:50px}.post{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 12px 30px -18px rgba(16,19,43,.28);cursor:pointer;transition:.2s;display:flex;flex-direction:column;text-decoration:none;color:inherit}.post:hover{box-shadow:0 24px 46px -22px rgba(16,19,43,.4);transform:translateY(-3px)}.post .ph{height:150px;width:100%;object-fit:cover;display:block;background:linear-gradient(135deg,var(--brand),var(--brand-2))}.post .ph.v2{background:linear-gradient(135deg,#1faa6b,#3ddc97)}.post .ph.v3{background:linear-gradient(135deg,#f5a623,#f5b948)}.post .ph.v4{background:linear-gradient(135deg,#0e1426,#2a3354)}.post .ph.v5{background:linear-gradient(135deg,#e0533d,#f5a623)}.post .pc{padding:20px;display:flex;flex-direction:column;flex:1 1}.post .cat{font:700 11px/1 JetBrains Mono,ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--brand)}.post h4{font-size:1.12rem;margin:9px 0}.post p{color:var(--muted);font-size:13.5px;margin:0 0 14px}.post .meta{margin-top:auto;font:500 12px/1 JetBrains Mono,ui-monospace,monospace;color:var(--muted);display:flex;gap:12px}@media(max-width:900px){.blog-feat{grid-template-columns:1fr}.blog-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.blog-grid{grid-template-columns:1fr}}.admin-theme{--p3-accent:#6d4aff;--p3-accent2:#22d3ee;--navy:#1b1f47;--p3-bg:#eef0f6;--surface:#fff;--surface-2:#f4f5fb;--text:#16183a;--muted:#5a5f7a;--muted-2:#9095b0;--line:#e6e7f1}.admin-theme .app-bar{display:none}.admin-theme .app-wrap{max-width:none;width:auto;margin:0;padding:0}.admin-theme .p3-shell{position:relative;min-height:100vh;background:var(--p3-bg)}.p3-rail{position:fixed;top:0;left:0;z-index:60;width:76px;height:100vh;background:var(--navy);display:flex;flex-direction:column;align-items:center;padding:14px 0;gap:4px;overflow-y:auto}.p3-logo{width:38px;height:38px;background:linear-gradient(135deg,var(--p3-accent,#6d4aff),var(--p3-accent2,#22d3ee));justify-content:center;color:#fff;font-weight:700;font-size:17px;margin-bottom:12px}.p3-logo,.p3-rail-item{border-radius:10px;display:flex;align-items:center;text-decoration:none}.p3-rail-item{width:58px;flex-direction:column;gap:3px;padding:8px 0;color:#aab0d4;font-size:11px;font-weight:600;text-align:center}.p3-rail-item:hover{background:hsla(0,0%,100%,.08);color:#fff}.p3-rail-item.active{background:var(--p3-accent,#6d4aff);color:#fff}.p3-reopen{position:fixed;top:0;left:76px;z-index:55;width:46px;height:100vh;background:var(--surface);border-right:1px solid var(--line);padding-top:16px}.p3-reopen,.p3-reopen button{display:flex;justify-content:center}.p3-reopen button{background:none;border:1px solid var(--line);border-radius:8px;color:var(--muted);width:32px;height:32px;cursor:pointer;align-items:center}.p3-reopen button:hover{border-color:#c3ccda;color:var(--text)}.p3-sub{position:fixed;top:0;left:76px;z-index:55;width:226px;height:100vh;border-right:1px solid var(--line);padding:16px 12px;flex-direction:column;overflow-y:auto}.p3-sub,.p3-switcher{background:var(--surface);display:flex}.p3-switcher{align-items:center;justify-content:space-between;width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 12px;margin-bottom:14px;cursor:pointer;font-family:inherit}.p3-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;color:var(--text);padding:2px 6px 12px;margin-bottom:8px;border-bottom:1px solid var(--line)}.p3-brand svg{color:var(--p3-accent,#6d4aff)}.p3-switcher:hover{border-color:#c3ccda}.p3-site{display:flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;color:var(--text)}.p3-site svg{color:var(--p3-accent,#6d4aff)}.p3-chev,.p3-grp{color:var(--muted-2)}.p3-grp{font-size:11px;text-transform:uppercase;letter-spacing:.05em;padding:6px 10px;font-weight:700}.p3-sub-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 11px;border-radius:8px;font-size:13.5px;color:var(--muted);font-weight:600;text-decoration:none;margin-bottom:1px}.p3-sub-item:hover{background:var(--surface-2);color:var(--text)}.p3-sub-item.active{background:rgba(109,74,255,.12);color:var(--p3-accent,#6d4aff)}.p3-badge{background:var(--p3-accent,#6d4aff);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}.p3-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:4px}.p3-extra{justify-content:flex-start;gap:9px;color:var(--muted)}.p3-collapse{display:flex;align-items:center;gap:8px;padding:10px;color:var(--muted-2);font-size:12.5px;background:none;border:none;cursor:pointer;font-family:inherit;width:100%}.p3-collapse:hover{color:var(--text)}.p3-main{margin-left:302px;min-height:100vh;padding:22px 26px 48px;overflow-x:hidden}.p3-shell.p3-collapsed .p3-main{margin-left:122px}@media(max-width:760px){.p3-rail{width:60px}.p3-rail-item{width:48px;font-size:0}.p3-rail-item svg{margin:0}.p3-sub{width:180px}.p3-reopen,.p3-sub{left:60px}.p3-main{margin-left:240px}.p3-shell.p3-collapsed .p3-main{margin-left:106px}}.ck-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px;gap:14px}.ck-kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:15px 17px;position:relative;overflow:hidden;text-decoration:none;color:var(--text);display:block}.ck-kpi:after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--p3-accent,#6d4aff)}.ck-kpi.c2:after{background:#c9820f}.ck-kpi.c3:after{background:#13b981}.ck-kpi.c4:after{background:var(--p3-accent2,#22d3ee)}.ck-lab{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:7px}.ck-lab svg{color:var(--muted-2)}.ck-val{font-size:27px;font-weight:800;margin:6px 0 2px}.ck-tr{font-size:12px;font-weight:600}.ck-tr.up{color:#13b981}.ck-tr.warn{color:#c9820f}.ck-tr.mut{color:var(--muted-2)}.ck-row{display:grid;grid-template-columns:1.6fr 1fr;grid-gap:14px;gap:14px;margin-top:14px}.ck-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.ck-card h3{font-size:14.5px;font-weight:700;margin:0 0 14px}.ck-card h3 .more{float:right;font-size:12.5px;color:var(--muted-2);font-weight:600}.ck-queue a{display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--text)}.ck-queue a:last-child{border-bottom:0}.ck-queue .lead{color:var(--muted);flex:none}.ck-queue .qt{flex:1 1;font-size:13.5px}.ck-queue .qn{font-weight:800;font-size:15px}.ck-queue .qn.warn{color:#c9820f}.ck-queue .go{color:var(--muted-2)}.ck-scores{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:18px;gap:18px}.ck-score .stt{display:flex;justify-content:space-between;font-size:12.5px;margin-bottom:6px}.ck-score .stt b{font-weight:800}.ck-bar{height:7px;background:#e9edf3;border-radius:7px;overflow:hidden}.ck-bar>i{display:block;height:100%;border-radius:7px}.ck-cat{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.ck-legend{flex:1 1;min-width:220px}.ck-legend .lr{display:flex;align-items:center;gap:9px;padding:5px 0;font-size:13.5px}.ck-legend .lr .d{width:11px;height:11px;border-radius:3px;flex:none}.ck-legend .lr span{flex:1 1;color:var(--muted)}.ck-legend .lr b{font-weight:800}@media(max-width:1080px){.ck-grid,.ck-scores{grid-template-columns:repeat(2,1fr)}.ck-row{grid-template-columns:1fr}}.admin-theme,.admin-theme .ck-card h3,.admin-theme .ck-kpi,.admin-theme .ck-queue .qt,.admin-theme .ck-val,.admin-theme .p3-main,.admin-theme h1,.admin-theme h2,.admin-theme h3,.admin-theme h4{color:var(--text)}