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:root{--footer-bg:linear-gradient(135deg,#0b1626 0%,#13233a 100%);--footer-text:#cfd8e3;--footer-muted:#8fa3b8;--footer-link:#4da3ff;--footer-link-hover:#fff;--footer-heading:#fff;--footer-border:rgba(255,255,255,0.15);--footer-divider:rgba(255,255,255,0.2)}html,body{margin:0;padding:0;overflow-x:hidden;width:100%;max-width:100%}.site-footer{position:relative;width:100%;margin-top:20px;font-family:'Inter',sans-serif;color:var(--footer-text)}.footer-container{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:380px 1fr 320px;gap:20px;padding:20px 35px;background:var(--footer-bg);border-radius:18px;border:1px solid var(--footer-border);backdrop-filter:blur(14px);position:relative}.footer-column{position:relative}
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.footer-title-slogan{display:flex;flex-direction:column;justify-content:flex-start}
.footer-company-name{font-size:18px;margin:0 0 5px 0;color:var(--footer-heading);letter-spacing:1px}
.footer-slogan{font-size:14px;color:var(--footer-muted);margin:0;line-height:1.4;white-space:normal;word-break:break-word}
.footer-nav-links{display:flex;gap:20px;flex-wrap:wrap;margin-top:5px;justify-content:center}
.footer-nav-links a{color:var(--footer-link);text-decoration:none;font-size:14px;transition:color 0.2s}
.footer-nav-links a:hover{color:var(--footer-link-hover)}.products-list{column-count:2;column-gap:30px;padding:0;margin:0}
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.footer-icon-img{width:16px;height:16px;color:var(--footer-link);fill:currentColor;filter:none;opacity:0.9}
.footer-contact:hover .footer-icon-img,
a:hover .footer-link-icon{opacity:1}
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:root{--kb-bg:#f5f7fa;--kb-card:#fff;--kb-text:#101828;--kb-text-soft:#344054;--kb-muted:#667085;--kb-border:#e4e7ec;--kb-border-light:#edf0f4;--kb-primary:#0a6ed1;--kb-primary-dark:#0659ab;--kb-primary-light:#eef5fd;--kb-primary-border:#c5daf5;--kb-hover:#f6f9fd;--kb-shadow-xs:0 2px 6px rgba(16,24,40,0.03);--kb-shadow:0 8px 30px rgba(16,24,40,0.045);--kb-shadow-lg:0 16px 48px rgba(16,24,40,0.07);--kb-radius-sm:8px;--kb-radius:16px;--kb-radius-lg:22px;--kb-container:1400px}.knowledge-page,.knowledge-article-page{background:var(--kb-bg);color:var(--kb-text);font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.knowledge-page *,.knowledge-page *::before,.knowledge-page *::after,.knowledge-article-page *,.knowledge-article-page *::before,.knowledge-article-page *::after{box-sizing:border-box}.kb-container{width:100%;max-width:var(--kb-container);margin:0 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.article-hero::after{content:"";position:absolute;left:-180px;bottom:-190px;width:400px;height:400px;border-radius:50%;background:rgba(59,130,246,.025);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:44px;align-items:center;padding:38px 48px 24px}
.hero-left{min-width:0}
.hero-right{position:relative;min-width:0}
.hero-category{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;margin-bottom:17px;border-radius:999px;background:#eff6ff;color:#2563eb;font-size:11px;line-height:1;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.hero-category-icon{width:18px;height:18px;display:inline-block;flex:none;background-size:contain;background-repeat:no-repeat;background-position:center;filter:invert(27%) sepia(94%) saturate(1934%) hue-rotate(197deg) brightness(97%) contrast(101%)}
.article-hero h1{margin:0;max-width:760px;font-size:42px;line-height:1.08;letter-spacing:-.038em;font-weight:800;color:#0f172a}
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.toc-item.active .toc-title{color:#2563eb}.article-progress{position:fixed;top:0;left:0;width:0;height:4px;background:linear-gradient(90deg,#2563eb,#1d4ed8);z-index:9999;transition:width .1s,opacity .4s;opacity:0;box-shadow:0 2px 8px rgba(37,99,235,.3)}
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.kb-image-prev:hover,.kb-image-next:hover{background:rgba(0,0,0,.8)}
.kb-image-prev{left:16px}
.kb-image-next{right:16px}
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.kb-sidebar-toggle:active{transform:translateY(0);background:#0f172a}
.kb-sidebar-toggle-icon{width:18px;height:14px;display:flex;flex-direction:column;justify-content:space-between;flex:none}
.kb-sidebar-toggle-icon span{display:block;width:100%;height:2px;border-radius:2px;background:#fff;transition:transform 0.25s ease,opacity 0.25s ease}
.kb-sidebar-overlay{display:none;position:fixed;inset:0;z-index:1990;background:rgba(15,23,42,0.48);opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}
.kb-sidebar-overlay.active{opacity:1;visibility:visible}@media(max-width:1200px){.hero-grid{grid-template-columns:1fr;gap:32px;padding:32px}.hero-right{max-width:600px;margin:auto}.article-hero-image img{height:320px}.hero-bottom{grid-template-columns:1fr;gap:24px;padding:28px 24px}.hero-bottom-image{order:-1;min-height:200px}.hero-bottom-wrapper{padding:0 32px 32px}.hero-read-button{width:auto;min-width:220px}}@media(max-width:1100px){.hero-grid{grid-template-columns:minmax(0,1fr) 340px;gap:32px;padding-left:36px;padding-right:36px}.article-hero h1{font-size:38px}.hero-meta-wrapper{padding-left:36px;padding-right:36px}.hero-bottom-wrapper{padding-left:36px;padding-right:36px}.related-articles-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:980px){.kb-sidebar-toggle{display:flex}
.kb-sidebar-overlay{display:block}
.kb-sidebar{position:fixed!important;top:0;left:0;bottom:0;width:min(340px,88vw);height:100dvh;margin:0!important;padding:0!important;z-index:2000;border:none!important;border-radius:0 24px 24px 0!important;background:#fff;box-shadow:20px 0 60px rgba(15,23,42,0.18);overflow:hidden auto;transform:translateX(-105%);visibility:hidden;opacity:1;transition:transform 0.35s cubic-bezier(0.4,0,0.2,1),visibility 0s linear 0.35s}
.kb-sidebar.open{transform:translateX(0);visibility:visible;transition:transform 0.35s cubic-bezier(0.4,0,0.2,1),visibility 0s linear 0s}
.kb-sidebar.collapsed{max-height:none!important;padding:0!important;margin:0!important;opacity:1!important;border-width:0!important;transform:translateX(-105%);visibility:hidden}
.kb-sidebar.collapsed.open{transform:translateX(0);visibility:visible}
.kb-sidebar-card{min-height:100%;padding:24px 20px 28px;border-radius:0;box-shadow:none;border:none;background:#fff}
.kb-sidebar-header{padding-right:4px}
.kb-sidebar-header h2{margin-top:0}
.kb-layout{display:block!important;width:100%}
.kb-article{width:100%;min-width:0}
body.kb-sidebar-open{overflow:hidden}
body.kb-sidebar-open .kb-sidebar-toggle{opacity:0;pointer-events:none}
body.kb-sidebar-open .kb-sidebar-toggle-icon span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.kb-sidebar-open .kb-sidebar-toggle-icon span:nth-child(2){opacity:0}
body.kb-sidebar-open .kb-sidebar-toggle-icon span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.kb-search{margin-bottom:22px}
.kb-categories{display:flex;flex-wrap:wrap;gap:7px}
.kb-categories li{flex:0 0 auto}
.kb-categories a{white-space:nowrap;padding:8px 12px 8px 32px;min-height:38px}
.kb-divider,.kb-category-title{display:block}
.kb-list{display:flex;flex-direction:column;gap:8px}.hero-grid{grid-template-columns:1fr;gap:28px}
.hero-right{max-width:500px;width:100%;margin:0 auto}
.article-hero-image,.article-hero-image.default{max-height:320px;height:auto}
.article-hero-image.default img{height:auto;max-height:320px}
.hero-meta{gap:0}
.hero-meta-item{padding-left:14px;padding-right:14px}
.hero-meta-item:first-child{padding-left:0}
.hero-bottom{grid-template-columns:1fr}
.hero-bottom-image{display:none}
.article-hero{margin:0 0 32px;border-radius:24px}
.hero-grid{padding:24px;gap:24px}
.article-hero h1{font-size:32px}
.hero-description{font-size:16px;margin:16px 0 24px}
.article-hero-image img{max-height:280px}
.article-hero-image.default{height:280px}
.article-hero-image.default img{height:280px}
.hero-meta-wrapper{padding:0 24px 20px}
.hero-meta{gap:10px}
.hero-meta-item{flex:1 1 calc(50% - 5px);min-width:140px;min-height:56px;padding:12px 14px;gap:10px}
.hero-meta-icon{width:38px;height:38px;border-radius:10px}
.hero-meta-icon img{width:18px;height:18px}
.hero-meta-value{font-size:15px}
#heroTopics{grid-template-columns:1fr;gap:10px}
.hero-bottom-wrapper{padding:0 24px 24px}
.hero-bottom{padding:24px 20px;gap:20px}
.hero-bottom-title{font-size:24px}
.hero-bottom-description{font-size:15px;margin:0 0 20px}
.hero-bottom-image{min-height:180px;border-radius:16px}
.hero-bottom-actions{margin-top:24px}
.hero-read-button{height:50px;padding:0 28px;font-size:15px;border-radius:14px}.article-content{padding:28px 24px;border-radius:20px;border:1px solid rgba(15,23,42,.05);box-shadow:0 8px 24px rgba(15,23,42,.04)}
.article-body{font-size:16px}
.article-body>*{max-width:100%}
.article-body h2{font-size:26px;margin:32px 0 14px;padding-top:16px;border-top:1px solid #edf0f4}
.article-body h2::before{width:60px}
.article-body h2::after{width:40px;height:3px;margin-top:12px}
.article-body h2+p{font-size:17px;color:#475569;margin-top:-4px}
.article-body h3{font-size:20px;margin:24px 0 10px;padding-left:16px}
.article-body h3::before{width:3px;top:3px;bottom:3px}
.article-body>p:first-child{font-size:17px}
.article-body figure{margin:28px auto}
.article-body figure img{border-radius:16px;border:3px solid #fff;box-shadow:0 12px 32px rgba(15,23,42,.08)}
.article-body figcaption{font-size:13px;margin-top:10px}
.table-wrapper{position:relative;border-radius:14px;box-shadow:0 4px 12px rgba(15,23,42,.04)}
.table-wrapper::after{content:"← свайп →";display:block;text-align:center;font-size:11px;color:#94a3b8;padding:8px 0 4px;letter-spacing:0.04em;text-transform:uppercase}.article-faq{margin:48px 0;padding:28px 24px;border-radius:22px}
.article-faq-header{gap:16px;margin-bottom:28px}
.article-faq-icon{width:52px;height:52px;border-radius:14px}
.article-faq-icon img{width:28px;height:28px}
.article-faq-header h2{font-size:26px;padding-top:16px}
.article-faq-header h2::before{width:60px}
.article-faq-header h2::after{width:40px;margin-top:10px}
.article-faq-header p{font-size:15px}
.faq-question{padding:18px 20px;gap:14px}
.faq-title{font-size:17px}
.faq-toggle{width:36px;height:36px}
.faq-answer-inner{padding:18px 20px 22px}
.faq-answer-inner p{font-size:16px}.related-articles{margin-top:48px}
.section-heading{margin-bottom:24px}
.section-heading h2{font-size:26px}
.section-heading h2::after{width:48px;height:3px;margin-top:12px}
.related-card{min-height:360px;border-radius:20px}
.related-card-image{height:150px}
.related-card-content{padding:16px}
.related-card-title{font-size:17px}
.related-card-description{font-size:14px;-webkit-line-clamp:2}.floating-toc-button{right:20px;bottom:20px}
.floating-toc-button button{height:44px;padding:0 16px;font-size:14px;border-radius:14px;gap:8px}
.floating-toc-icon{font-size:18px}
.floating-toc-panel{top:16px;right:16px;height:calc(100vh - 32px);width:340px;border-radius:20px}
.floating-toc-panel-header{padding:18px 20px}
.floating-toc-panel-header h3{font-size:20px}
.floating-toc-panel-content{padding:16px 20px}
.floating-toc-panel-content a{font-size:13px}}@media(max-width:700px){
.article-hero{border-radius:24px;margin-bottom:30px}
.hero-grid{padding:28px 24px 20px;gap:24px}
.hero-category{margin-bottom:14px}
.article-hero h1{font-size:32px;line-height:1.1}
.hero-description{margin-top:18px;margin-bottom:20px;font-size:15px;line-height:1.55}
.hero-meta-wrapper{padding:0 24px 24px}
.hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px 0}
.hero-meta-item{padding:0 10px}
.hero-meta-item:nth-child(odd){padding-left:0}
.hero-meta-item:nth-child(even){border-left:1px solid #dbe3ee}
.hero-meta-item:first-child{padding-left:0}
.hero-meta-icon{width:28px;height:28px}
.hero-meta-title{font-size:11px}
.hero-meta-value{font-size:13px}
.hero-bottom-wrapper{padding:0 24px 26px}
.hero-bottom{padding:24px 22px 22px;border-radius:20px}
.hero-bottom-title{font-size:22px}
#heroTopics{grid-template-columns:1fr;gap:10px}
.related-articles-grid{grid-template-columns:1fr}
.related-card{min-height:auto}
.related-card-title{font-size:18px}
.article-body table{min-width:550px}}@media(max-width:640px){.article-hero{margin:0 0 24px;border-radius:20px}
.hero-grid{padding:20px 16px;gap:18px}
.article-hero h1{font-size:26px;letter-spacing:-0.02em}
.hero-description{font-size:15px;margin:12px 0 20px;line-height:1.55}
.hero-category{font-size:11px;padding:6px 12px;gap:8px;margin-bottom:16px}
.hero-category-icon{width:16px;height:16px}
.article-hero-image{border-radius:16px}
.article-hero-image img{max-height:200px}
.article-hero-image.default{height:200px}
.article-hero-image.default img{height:200px}
.hero-meta-wrapper{padding:0 16px 16px}
.hero-meta{gap:8px}
.hero-meta-item{flex:1 1 calc(50% - 4px);min-width:0;min-height:52px;padding:10px 12px;gap:8px;border-radius:12px}
.hero-meta-icon{width:34px;height:34px;border-radius:8px}
.hero-meta-icon img{width:16px;height:16px}
.hero-meta-title{font-size:10px}
.hero-meta-value{font-size:14px}
#heroTopics{gap:8px}
#heroTopics li{font-size:14px;gap:8px}
.learn-icon{width:20px;height:20px;font-size:11px}
.hero-bottom-wrapper{padding:0 16px 20px}
.hero-bottom{padding:20px 16px;gap:16px;border-radius:16px}
.hero-bottom-title{font-size:22px}
.hero-bottom-description{font-size:14px;margin:0 0 16px}
.hero-bottom-image{min-height:150px;border-radius:14px}
.hero-bottom-actions{margin-top:20px}
.hero-read-button{height:46px;padding:0 24px;font-size:14px;width:100%;border-radius:12px}
.btn-arrow{width:24px;height:24px;font-size:14px}.article-layout{margin-top:0}
.article-content{padding:24px 16px;border-radius:16px;border:1px solid rgba(15,23,42,.04);box-shadow:0 4px 12px rgba(15,23,42,.03)}
.article-body{font-size:15px;line-height:1.7}
.article-body h2{font-size:24px;margin:28px 0 12px;padding-top:14px;border-top:1px solid #eef2f7}
.article-body h2::before{width:50px;height:2px}
.article-body h2::after{width:36px;height:2px;margin-top:10px}
.article-body h2+p{font-size:16px;margin-top:-2px}
.article-body h3{font-size:19px;margin:22px 0 8px;padding-left:14px}
.article-body h3::before{width:2px;top:3px;bottom:3px}
.article-body>p:first-child{font-size:16px;line-height:1.6}
.article-body ul li{padding-left:28px;margin-bottom:8px;font-size:15px}
.article-body ul li::before{width:20px;height:20px;font-size:11px}
.article-body ol li{margin-bottom:8px;font-size:15px}
.article-body blockquote{padding:14px 16px;font-size:14px;border-radius:12px}
.article-body table{font-size:13px}
.article-body thead th{padding:10px 12px;font-size:13px}
.article-body tbody td{padding:10px 12px;font-size:13px}
.article-body figure{margin:24px auto}
.article-body figure img{border-radius:12px;border:2px solid #fff;box-shadow:0 8px 20px rgba(15,23,42,.06)}
.article-body figcaption{font-size:12px;margin-top:8px}
.table-wrapper::after{font-size:10px;padding:6px 0 2px}.article-steps{gap:14px;margin:24px 0}
.step-item{flex-direction:column;align-items:stretch;gap:10px;padding:16px;border-radius:14px}
.step-number{width:34px;height:34px;font-size:14px;border-radius:10px;box-shadow:0 4px 12px rgba(37,99,235,.20)}
.step-title{font-size:17px}
.step-description{font-size:14px}.article-body .article-note,.article-body .article-warning,.article-body .article-conclusion,.article-body .article-tip,.article-body .article-gost{margin:24px 0;border-radius:12px;border-left-width:4px;font-size:15px}
.article-body .block-header{padding:10px 16px 10px 36px;font-size:14px}
.article-body .block-header::before{left:10px;width:18px;height:18px}
.article-body .block-content{padding:12px 16px 14px}.article-faq{margin:40px 0;padding:24px 16px;border-radius:18px}
.article-faq-header{gap:12px;margin-bottom:24px}
.article-faq-icon{width:44px;height:44px;border-radius:12px}
.article-faq-icon img{width:24px;height:24px}
.article-faq-header h2{font-size:22px;padding-top:14px}
.article-faq-header h2::before{width:50px}
.article-faq-header h2::after{width:36px;margin-top:8px}
.article-faq-header p{font-size:14px}
.article-faq-list{gap:12px}
.faq-item{border-radius:16px}
.faq-question{padding:16px;gap:12px}
.faq-title{font-size:16px}
.faq-toggle{width:32px;height:32px}
.faq-toggle::before{width:14px}
.faq-toggle::after{height:14px}
.faq-answer-inner{padding:16px}
.faq-answer-inner p{font-size:15px;line-height:1.65;margin:0 0 16px}
.faq-answer-inner li{font-size:14px}
.faq-note{padding:14px 16px 14px 44px;border-radius:10px;font-size:14px}
.faq-note::before{font-size:18px;left:12px;top:14px}.related-articles{margin-top:40px}
.section-heading{margin-bottom:20px}
.section-heading h2{font-size:24px}
.section-heading h2::after{width:40px;height:2px;margin-top:10px}
.related-articles-grid{gap:16px}
.related-card{border-radius:18px;min-height:auto}
.related-card-image{height:140px}
.related-card-content{padding:14px}
.related-card-title{font-size:16px;margin:0 0 12px}
.related-card-description{font-size:13px}
.related-card-footer{margin-top:20px;padding-top:14px}
.related-card-link{font-size:14px}
.related-card-arrow{width:32px;height:32px;font-size:16px}.floating-toc-button{right:16px;bottom:80px}
.floating-toc-button button{height:42px;padding:0 14px;font-size:13px;border-radius:12px;gap:6px;box-shadow:0 10px 24px rgba(15,23,42,.20)}
.floating-toc-icon{font-size:16px}
.floating-toc-panel{top:12px;right:12px;width:calc(100% - 24px);height:calc(100vh - 24px);border-radius:18px}
.floating-toc-panel-header{padding:16px 18px}
.floating-toc-panel-header h3{font-size:18px}
#closeTOCPanel{width:32px;height:32px;font-size:20px}
.floating-toc-panel-content{padding:14px 16px}
.floating-toc-panel-content a{font-size:13px;padding:7px 10px}
.floating-toc-panel-content .toc-h3 a{padding-left:28px;font-size:12px}
.toc-number{flex:0 0 28px;font-size:11px}}@media(max-width:480px){.kb-sidebar-toggle{top:12px;left:12px;height:40px;padding:0 12px;border-radius:12px;font-size:13px;gap:6px}
.kb-sidebar-toggle-icon{width:16px;height:12px}
.kb-sidebar{width:min(300px,90vw);border-radius:0 20px 20px 0!important}
.kb-sidebar-card{padding:18px 14px 22px}
body.kb-sidebar-open .kb-sidebar-toggle-icon span:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.kb-sidebar-open .kb-sidebar-toggle-icon span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}.hero-grid{padding:24px 18px 18px}
.article-hero h1{font-size:28px}
.hero-description{font-size:14px;padding-left:14px}
.hero-meta-wrapper{padding-left:18px;padding-right:18px}
.hero-meta{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.hero-meta-item,.hero-meta-item:first-child,.hero-meta-item:nth-child(odd){padding:0}
.hero-meta-item+.hero-meta-item{border-left:0}
.hero-bottom-wrapper{padding-left:18px;padding-right:18px}
.hero-bottom{padding:22px 18px}
.hero-bottom-title{font-size:20px}
.hero-bottom-description{font-size:13px}
.hero-read-button{width:100%;height:50px;font-size:14px}
.article-hero{border-radius:18px;margin:0 0 20px}
.hero-grid{padding:16px 14px;gap:14px}
.article-hero h1{font-size:24px}
.hero-description{font-size:14px;margin:10px 0 16px}
.hero-meta-wrapper{padding:0 14px 14px}
.hero-meta-item{min-height:48px;padding:8px 10px;gap:8px;border-radius:10px}
.hero-meta-icon{width:30px;height:30px;border-radius:8px}
.hero-meta-icon img{width:14px;height:14px}
.hero-meta-value{font-size:13px}
.article-hero-image img{max-height:180px}
.article-hero-image.default{height:180px}
.article-hero-image.default img{height:180px}
.hero-bottom-wrapper{padding:0 14px 16px}
.hero-bottom{padding:16px 14px;border-radius:14px}
.hero-bottom-title{font-size:20px}
.hero-bottom-description{font-size:13px}
.hero-bottom-image{min-height:130px}
.hero-read-button{height:44px;font-size:13px}.article-content{padding:20px 14px;border-radius:14px}
.article-body h2{font-size:22px;margin:24px 0 10px;padding-top:12px}
.article-body h2::before{width:40px}
.article-body h2::after{width:30px;height:2px;margin-top:8px}
.article-body h3{font-size:18px;margin:20px 0 8px}
.article-body figure img{border-radius:10px}.floating-toc-button{right:12px;bottom:76px}
.floating-toc-button button{height:40px;padding:0 12px;font-size:12px}}@media(min-width:981px){
.kb-sidebar-toggle,.kb-sidebar-overlay{display:none!important}
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