:root{color:#172b41;font-synthesis:none;--ink:#172b41;--muted:#586b7d;--blue:#146e99;--line:#dfe6eb;--pale:#f2f7fa;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;font-size:14px;line-height:1.8}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #dba027}img{max-width:100%;height:auto}button:disabled{cursor:wait;opacity:.65}html{scroll-behavior:smooth;scroll-padding-top:25px}h1,h2,h3{font-feature-settings:"palt";overflow-wrap:anywhere}p{overflow-wrap:anywhere}.wrap{max-width:1160px;margin-inline:auto;padding-inline:32px}.eyebrow{letter-spacing:.18em;color:var(--blue);text-transform:uppercase;font-size:11px;font-weight:700}.sr-only,.skip-link:not(:focus){clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link:focus{z-index:50;border:2px solid var(--blue);background:#fff;padding:12px;position:fixed;top:8px;left:8px}.site-header{border-bottom:1px solid var(--line);background:#fff}.header-row{justify-content:space-between;align-items:center;height:90px;display:flex}.brand{flex-shrink:0;align-items:center;display:inline-flex}.brand img{width:186px;height:auto}.main-nav{align-items:center;gap:34px;font-size:13px;font-weight:600;display:flex}.main-nav a{padding-block:10px}.main-nav a:hover,.main-nav a[aria-current]{color:var(--blue)}.main-nav .nav-contact{border:1px solid var(--ink);border-radius:4px;padding:9px 19px}.menu-toggle{display:none}.hero{background:var(--pale);overflow:hidden}.hero-grid{grid-template-columns:1.25fr 1fr;align-items:center;gap:40px;min-height:420px;padding-block:40px;display:grid}.hero h1{letter-spacing:.035em;margin:18px 0;font-size:43px;line-height:1.55}.hero p{color:var(--muted);margin-bottom:24px;font-size:14px;line-height:2}.button{background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:4px;justify-content:center;align-items:center;gap:35px;min-height:46px;padding:12px 23px;font-size:13px;font-weight:600;transition:background .15s,transform .15s;display:inline-flex}.button:hover{background:#105d82;transform:translateY(-1px)}.button-outline{color:var(--ink);background:#fff;border-color:#c5d1db}.button-outline:hover{background:#edf4f8}.hero-art{place-items:center;height:300px;display:grid;position:relative}.orbit{border:1px solid #cadde7;border-radius:50%;width:290px;height:290px;position:absolute}.orbit:after{content:"";border:1px solid #cadde7;border-radius:50%;width:210px;height:210px;position:absolute;top:38px;left:38px}.stone{color:#fff;letter-spacing:-5px;background:#247fac;border-radius:28px 50px 25px 45px;place-items:center;width:145px;height:145px;font-size:55px;font-weight:700;display:grid;transform:rotate(-16deg);box-shadow:25px 25px #d4e5ee}.node{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px 16px;font-size:12px;font-weight:600;position:absolute;box-shadow:0 8px 22px #203e5910}.node span{color:var(--blue);margin-right:10px}.node-ai{top:27px;right:17px}.node-dev{bottom:30px;right:0}.node-app{bottom:48px;left:0}.section{padding-block:58px}.section-tinted{background:#f7f9fb;border-block:1px solid #edf1f4}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px;display:flex}.section-heading h2{letter-spacing:.04em;margin:6px 0 0;font-size:25px}.text-link{color:var(--blue);white-space:nowrap;font-size:12px;font-weight:600}.text-link:hover{text-decoration:underline}.topic-grid,.article-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;display:grid}.topic-card{border:1px solid var(--line);border-radius:7px;padding:25px;transition:transform .2s,border-color .2s;position:relative}.topic-card:hover{border-color:var(--blue);transform:translateY(-3px)}.topic-symbol{color:var(--blue);font-size:21px;font-weight:700}.topic-card h3{margin:14px 0 8px;font-size:18px}.topic-card p{color:var(--muted);margin:0;font-size:12px;line-height:1.9}.topic-arrow{position:absolute;top:28px;right:22px}.article-card{border:1px solid var(--line);background:#fff;border-radius:7px;flex-direction:column;min-width:0;transition:transform .2s,box-shadow .2s;display:flex;overflow:hidden}.article-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #182f4510}.card-cover{aspect-ratio:16/9;object-fit:cover;background:#e4eef4;width:100%;height:180px}.card-cover.is-book{object-fit:contain;background:#e9f0ed;padding:16px}.cover-placeholder{letter-spacing:5px;color:#4f89a7;place-items:center;font-size:40px;display:grid}.card-body{flex:1;padding:21px 21px 30px;position:relative}.meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:12px;font-size:11px;display:flex}.tag{color:var(--blue);background:#edf5fa;border-radius:3px;padding:2px 8px;font-size:10px;font-weight:600}.article-card h3{margin:12px 0;font-size:16px;line-height:1.8}.article-card p{color:var(--muted);margin:0;font-size:12px;line-height:1.9}.card-arrow{color:var(--blue);position:absolute;bottom:9px;right:17px}.more{text-align:center;margin-top:34px}.contact-banner{background:#eaf3f8;border-radius:7px;justify-content:space-between;align-items:center;gap:22px;margin:58px auto;padding:36px 40px;display:flex}.contact-banner h2{margin:0 0 6px;font-size:23px}.contact-banner p{color:var(--muted);margin:0;font-size:12px}.site-footer{border-top:1px solid var(--line);padding:34px 0 20px}.footer-row{justify-content:space-between;align-items:center;gap:35px;display:flex}.footer-row .brand img{width:170px}.site-footer nav{color:var(--muted);flex-wrap:wrap;justify-content:flex-end;gap:12px 22px;font-size:11px;display:flex}.site-footer nav a:hover{color:var(--blue)}.copyright{color:#627381;margin-top:30px;font-size:10px}.page-heading{background:var(--pale);padding-block:43px}.page-heading h1{letter-spacing:.03em;margin:10px 0;font-size:32px}.page-heading p{color:var(--muted);margin:10px 0 0;font-size:13px}.search-form{background:#fff;border:1px solid #c5d1db;border-radius:5px;max-width:550px;display:flex;overflow:hidden}.search-form input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;padding:13px 16px;font-size:13px}.search-form button{border:0;border-left:1px solid var(--line);color:var(--blue);white-space:nowrap;background:#fff;padding:10px 18px}.search-form:focus-within{outline:2px solid var(--blue);outline-offset:2px}.search-form input:focus{outline:0}.journal-tools{justify-content:space-between;align-items:center;gap:15px;margin:22px 0 26px;display:flex}.filters{flex-wrap:wrap;gap:9px;display:flex}.filter{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:30px;min-height:38px;padding:7px 18px;font-size:12px}.filter.selected{background:var(--ink);border-color:var(--ink);color:#fff}.result-count{color:var(--muted);white-space:nowrap;font-size:11px}.pagination{justify-content:center;gap:10px;margin-top:34px;display:flex}.pagination a{border:1px solid var(--line);background:#fff;border-radius:4px;place-items:center;width:42px;height:42px;display:grid}.pagination a[aria-current]{background:var(--ink);color:#fff}.empty-state{text-align:center;border:1px solid var(--line);background:#fff;border-radius:6px;padding:60px 20px}.empty-state h3{font-size:17px}.empty-state p{color:var(--muted);margin-bottom:25px;font-size:13px}.breadcrumb{color:var(--muted);padding-block:24px;font-size:11px}.breadcrumb ol{flex-wrap:wrap;gap:7px 12px;margin:0;padding:0;list-style:none;display:flex}.breadcrumb li:not(:first-child):before{content:"/";color:#9ca9b3;margin-right:12px}.breadcrumb a:hover{text-decoration:underline}.article-layout{grid-template-columns:minmax(0,740px) 240px;gap:65px;padding:20px 0 70px;display:grid}.single-layout{max-width:820px;margin-inline:auto;padding:16px 0 70px}.article-title{margin:17px 0 30px;font-size:31px;line-height:1.7}.article-body{overflow-wrap:anywhere;font-size:15px;line-height:2.1}.article-body p{margin-block:1.3em}.article-body h1,.article-body h2{border-bottom:1px solid var(--line);margin:2em 0 1em;padding-bottom:12px;font-size:24px;line-height:1.7}.article-body h3{margin-top:1.7em;font-size:19px}.article-body h4{font-size:17px}.article-body a{color:var(--blue);text-underline-offset:3px;text-decoration:underline}.article-body img{vertical-align:middle;border-radius:4px;max-width:100%!important;height:auto!important}.article-body figure{margin:24px 0}.article-body figcaption{color:var(--muted);font-size:12px}.article-body pre{color:#e3edf4;white-space:pre;background:#172b41;border-radius:5px;max-width:100%;padding:23px;font-size:12px;line-height:1.9;overflow:auto}.article-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em}.article-body :not(pre)>code{background:#edf3f7;border-radius:3px;padding:3px 6px}.article-body blockquote{background:var(--pale);color:var(--muted);border-left:3px solid #97bacf;margin-inline:0;padding:8px 22px}.article-body table{border-collapse:collapse;max-width:100%;margin-block:25px;font-size:13px;display:block;overflow:auto}.article-body th,.article-body td{border:1px solid #cfdae3;min-width:100px;padding:10px 14px}.article-body th{background:var(--pale)}.article-body iframe{aspect-ratio:16/9;border:0;border-radius:5px;width:100%;height:auto}.article-body video,.article-body audio{max-width:100%}.article-body hr{border:0;border-top:1px solid var(--line);margin-block:30px}.table-of-contents{background:var(--pale);border-radius:5px;margin:0 0 30px;padding:20px 25px;font-size:13px}.table-of-contents summary{cursor:pointer;font-weight:600}.table-of-contents ol{margin-bottom:0;padding-left:23px}.table-of-contents a:hover{color:var(--blue)}.toc-sub{margin-left:15px;font-size:12px}.aside-section{border-top:2px solid var(--ink);padding-top:20px}.aside-section h2{font-size:15px}.aside-section>a{border-bottom:1px solid var(--line);color:var(--muted);justify-content:space-between;padding:12px 0;font-size:12px;display:flex}.aside-about{background:var(--pale);border-radius:5px;margin-top:30px;padding:22px;font-size:13px}.aside-about p{color:var(--muted);font-size:12px;line-height:2}.back-link{color:var(--blue);margin-top:30px}.group-links{flex-wrap:wrap;gap:12px;padding-top:30px;display:flex}.group-links a{border:1px solid var(--line);border-radius:4px;padding:8px 15px;font-size:12px}.app-section+.app-section{border-top:1px solid var(--line)}.app-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;display:grid}.app-card{border:1px solid var(--line);text-align:center;background:#fff;border-radius:7px;padding:26px 20px}.app-card>img{object-fit:contain;border-radius:16px;width:76px;height:76px}.app-card h3{margin-block:14px;font-size:16px}.store-links{gap:8px;display:grid}.store-links a{color:var(--blue);border:1px solid #cbd8e1;border-radius:4px;padding:7px;font-size:11px}.store-links a:hover{background:var(--pale)}.ai-resources .article-body>div>h3{font-size:24px}.ai-resources .vk_prContent{background:var(--pale);border-radius:7px;grid-template-columns:1fr 1.5fr;align-items:center;gap:45px;margin-bottom:45px;padding:35px;display:grid}.ai-resources .vk_prContent figure{text-align:center;margin:0}.ai-resources .vk_prContent img{object-fit:contain;max-height:310px}.ai-resources .vk_prContent h3{margin-top:0;font-size:22px}.ai-resources .vk_prContent p{font-size:14px}.ai-resources .vk_prContent a{background:#fff;border:1px solid #adc5d5;border-radius:3px;margin:5px;padding:7px 15px;font-size:12px;display:inline-block}.ai-resources .vk_prContent_colImg,.ai-resources .vk_prContent_colTxt{min-width:0}.contact-form{max-width:700px;margin:40px auto 70px}.form-intro{color:var(--muted);font-size:13px;line-height:2}.contact-form fieldset{border:0;min-width:0;margin:0;padding:0}.field{margin:26px 0;font-size:13px;font-weight:600;display:block}.required-label{color:var(--blue);vertical-align:middle;background:#edf5fa;border-radius:3px;margin-left:10px;padding:1px 6px;font-size:10px}.form-intro .required-label{margin-left:0;margin-right:7px}.field input,.field textarea{width:100%;color:var(--ink);background:#fbfcfd;border:1px solid #c5d1db;border-radius:4px;margin-top:9px;padding:13px 14px;font-size:14px;display:block}.field textarea{resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#7b8b99;font-weight:400}.form-note{background:var(--pale);color:var(--muted);border-radius:4px;padding:20px;font-size:12px}.form-note a{color:var(--blue);text-decoration:underline}.consent{cursor:pointer;align-items:start;gap:9px;margin-block:23px;font-size:13px;display:flex}.consent input{width:17px;height:17px;accent-color:var(--blue);margin-top:4px}.honeypot{width:1px;height:1px;position:absolute;left:-10000px;overflow:hidden}.form-error{color:#9e3025;background:#fff1ef;border:1px solid #edc6c1;border-radius:4px;padding:15px;font-size:13px}.form-success{text-align:center;border:1px solid var(--line);border-radius:7px;max-width:700px;margin:70px auto 100px;padding:45px 30px}.form-success h2{font-size:23px}.form-success p{color:var(--muted);margin-bottom:30px}.success-icon{width:52px;height:52px;color:var(--blue);background:#e8f3f6;border-radius:50%;place-items:center;margin:auto;font-size:24px;display:grid}.not-found{padding-block:100px}.not-found h1{font-size:30px}.not-found p{color:var(--muted);margin-bottom:30px}@media (width<=960px){.article-layout{grid-template-columns:minmax(0,1fr) 200px;gap:30px}.main-nav{gap:22px}.app-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.node{padding:10px;font-size:10px}.hero h1{font-size:38px}.hero-grid{gap:20px}.footer-row{align-items:start}.site-footer nav{max-width:450px}.card-cover{height:155px}}@media (width<=760px){.wrap{padding-inline:22px}.header-row{height:73px;position:relative}.brand img{width:155px}.menu-toggle{color:var(--ink);background:#fff;border:1px solid #c7d3dd;border-radius:4px;min-height:38px;padding:8px 12px;font-size:11px;display:block}.main-nav{border-bottom:1px solid var(--line);z-index:20;background:#fff;padding:16px 22px 22px;display:none;position:absolute;top:72px;left:0;right:0;box-shadow:0 12px 15px #172b410d}.main-nav.is-open{flex-direction:column;align-items:stretch;gap:3px;display:flex}.main-nav>a{padding:13px 0}.main-nav .nav-contact{text-align:center;margin-top:8px}.hero-grid{grid-template-columns:1fr;gap:0;padding:35px 22px 15px}.hero h1{font-size:32px}.hero p{margin-bottom:20px;font-size:13px}.hero-art{width:100%;max-width:370px;height:235px;margin:12px auto 0}.orbit{width:220px;height:220px}.orbit:after{width:150px;height:150px;top:34px;left:34px}.stone{width:110px;height:110px;font-size:42px;box-shadow:18px 18px #d4e5ee}.node{font-size:11px}.node-ai{top:18px;right:0}.node-dev{bottom:16px;right:0}.node-app{bottom:28px;left:0}.section{padding-block:38px}.section-heading h2{font-size:23px}.section-heading{align-items:center;gap:12px}.section-heading .text-link{font-size:11px}.topic-grid,.article-grid{grid-template-columns:1fr}.topic-card{padding:20px}.topic-card h3{margin:5px 0}.topic-card p br{display:none}.topic-symbol{font-size:18px}.topic-arrow{top:24px}.card-cover{aspect-ratio:16/9;height:auto;max-height:260px}.card-body{padding:21px 21px 29px}.article-card h3{font-size:17px}.article-card p{font-size:13px}.contact-banner{margin:36px 0;padding:26px;display:block}.contact-banner h2{font-size:20px}.contact-banner .button{margin-top:22px}.footer-row{flex-direction:column;align-items:start;gap:22px}.site-footer nav{justify-content:flex-start;gap:14px 18px}.copyright{margin-top:25px}.page-heading{padding-block:32px}.page-heading h1{font-size:28px}.page-heading p{font-size:12px}.journal-tools{flex-direction:column;align-items:start;gap:6px}.result-count{margin:4px 0}.filters{gap:7px}.filter{padding:6px 13px;font-size:11px}.article-layout{grid-template-columns:1fr;gap:35px;padding:12px 0 45px}.article-title{font-size:25px;line-height:1.7}.article-body{font-size:14px;line-height:2.1}.article-body h1,.article-body h2{font-size:21px}.article-body h3{font-size:18px}.article-body pre{padding:17px;font-size:11px}.article-aside{border-top:1px solid var(--line);padding-top:22px}.aside-section{border-top:0}.aside-about{margin-top:20px}.table-of-contents{padding:18px;font-size:12px}.breadcrumb{padding-block:20px;font-size:10px}.single-layout{padding-bottom:40px}.app-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.app-card{padding:22px 12px}.app-card h3{font-size:14px}.app-card>img{width:66px;height:66px}.group-links{gap:7px;padding-top:23px}.group-links a{padding:7px 10px;font-size:11px}.ai-resources .vk_prContent{grid-template-columns:1fr;gap:25px;padding:25px}.ai-resources .vk_prContent img{max-height:240px}.ai-resources .vk_prContent h3{font-size:19px}.form-intro{font-size:12px}.field input,.field textarea{font-size:16px}.contact-form{margin:25px auto 45px}.form-success{margin-block:40px 60px;padding:30px 20px}.form-success h2{font-size:20px}.not-found{padding-block:70px}.not-found h1{font-size:25px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}.app-store-link{text-align:right;padding-top:24px}.app-store-link+.group-links{padding-top:18px}.app-card{flex-direction:column;align-items:center;display:flex}.app-platform{color:var(--muted);letter-spacing:.04em;margin-top:12px;font-size:10px}.app-card h3{margin:10px 0;font-size:14px;line-height:1.7}.app-description{color:var(--muted);margin:0 0 18px;font-size:12px;line-height:1.9}.app-card .store-links{width:100%;margin-top:auto}.contact-language{justify-content:flex-end;gap:8px;max-width:700px;margin:24px auto 0;display:flex}.contact-language a{border:1px solid var(--line);border-radius:4px;padding:7px 16px;font-size:12px}.contact-language a[aria-current]{background:var(--ink);border-color:var(--ink);color:#fff}