:root {
            --uxec-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --body-font-size: 1rem;
            --font-size-h1: 2.2rem;
            --font-size-h2: 1.75rem;
            --font-size-intro: 1.15rem;
            --font-size-card-strong: 1.05rem;
            --font-size-card-p: 0.98rem;
            --font-size-card-else: 1.35rem;
            --font-size-footer: 0.98rem;
            --font-size-footer-copyright: 0.85rem;
            --font-size-btn: 0.9rem;
            --font-size-article-date: 0.9rem;
            --font-size-section-lead: 1rem;

            --font-weight-h1: 800;
            --font-weight-h2: 700;

            --article-title-gap: 5px;
            --article-title-margin-bottom: 1rem;
            --article-title-scroll-margin-top: 6.25rem;
            --section-title-margin: 2.5rem 0 1.25rem 0;
            --section-title-padding-bottom: 0.5rem;
            --section-title-border-width: 2px;
            --section-lead-margin-bottom: 1.5rem;
            --intro-margin-bottom: 2.5rem;
            --intro-padding-left: 1.25rem;
            --intro-line-height: 1.65;
            --card-gap: 1.25rem;
            --card-margin-bottom: 2.5rem;
            --card-border-radius: 0.75rem;
            --card-padding: 1.25rem;
            --card-border-width: 1px;
            --card-strong-margin-bottom: 6px;
            --content-block-border-radius: 0.375rem 0.75rem 0.75rem 0.375rem;
            --content-block-padding: 1.5rem;
            --content-block-margin-bottom: 1.5rem;
            --callout-title-margin: 0 0 0.75rem 0;
            --callout-title-letter-spacing: 1px;
            --summary-block-margin: 2rem 0 1rem 0;
            --summary-block-padding: 2rem 0 1.25rem;
            --footer-gap: 2rem;
            --footer-padding-top: 2rem;
            --footer-border-width: 1px;
            --footer-lang-padding-right: 1.25rem;
            --footer-lang-caption-margin-bottom: 0.75rem;
            --footer-copyright-margin-top: 1rem;
            --footer-copyright-padding-top: 1rem;
            --footer-copyright-note-margin-top: 5px;
            --btn-to-top-width: 3.5rem;
            --btn-to-top-height: 3.5rem;
            --btn-to-top-border-radius: 2rem 2rem 1.5rem 1.5rem;
            --btn-home-padding: 0.75rem 1.5rem;
            --btn-home-border-radius: 1rem;

            --tbs-translate: calc(-100vh + 88px);

            --regular-deep: #162534;
            --uxec-bg: radial-gradient(ellipse at center, #1e354a 0%, #0d1622 100%);
            --uxec-bg-main: #142331;
            --uxec-bg-second: #0b1520cc;
            --uxec-bg-card: rgba(212, 247, 230, 0.02);
            --uxec-bg-card-hover: rgba(212, 247, 230, 0.05);
            --uxec-border-color: rgba(212, 247, 230, 0.08);
            --uxec-text-primary: #f8fafc;
            --uxec-text-secondary: #94a3b8;
            --uxec-text-muted: #7e8a9e;
            --uxec-accent-color-1: #5ce1b6;
            --uxec-accent-color-2: #34d399;
            --uxec-accent-color-3: #e2b875;
            --uxec-accent-rgb: 92, 225, 182;
            --uxec-red: #f27474;
            --uxec-lime: #a0ca0b;
            --uxec-green: #34d399;
            --uxec-blue: #38bdf8;
            --uxec-indigo: #6366f1;
            --uxec-mask: linear-gradient(transparent 0%, black 5vh, black 95vh, transparent 100%);

            color-scheme: dark;
            text-wrap: pretty;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            background: var(--uxec-bg);
            background-color: #0d1622;
            background-size: 250% 100%;
            background-position: center;
            background-repeat: no-repeat;

            scroll-behavior: smooth;
            caret-color: transparent;

            scrollbar-width: none;
            -ms-overflow-style: none;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            -webkit-text-size-adjust: 100%;
            -webkit-tap-highlight-color: transparent;
            overscroll-behavior: none;
        }

        html::-webkit-scrollbar {
            display: none;
        }

        body {
            position: fixed;
            inset: 0;
            width: 100%;
            height: 100%;
            font-family: var(--uxec-font);
            line-height: 1.7;
            color: var(--uxec-text-primary);
            background: var(--uxec-bg);
            margin: 0;
            padding: 0;
            font-size: var(--body-font-size);
            overflow: hidden;
            -webkit-mask-image: var(--uxec-mask);
            mask-image: var(--uxec-mask);
        }

        @keyframes articleContainerShow {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        .article-container {
            position: relative;
            width: 100%;
            height: 100%;
            margin: 0;
            overflow-x: hidden;
            overflow-y: scroll;
            background: none;
            opacity: 0;
            color: var(--uxec-text-primary);
            padding: 60px clamp(24px, 5vw, 96px);
            scrollbar-width: auto;
            scrollbar-color: var(--uxec-lime) transparent;
            scroll-behavior: smooth;
            scroll-timeline: --containerScroll y;
            overscroll-behavior: contain;
            animation: 1s articleContainerShow both;
        }

        h1.article-title {
            display: flex;
            flex-direction: column;
            gap: var(--article-title-gap);
            font-size: var(--font-size-h1);
            font-weight: var(--font-weight-h1);
            line-height: 1.25;
            margin-bottom: var(--article-title-margin-bottom);
            color: transparent;
            background: linear-gradient(90deg, var(--uxec-text-primary) 30%, var(--uxec-text-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            text-shadow: none;
            scroll-margin-top: var(--article-title-scroll-margin-top);
        }

        .article-intro {
            font-size: var(--font-size-intro);
            line-height: var(--intro-line-height);
            color: var(--uxec-text-secondary);
            margin-bottom: var(--intro-margin-bottom);
            padding-left: var(--intro-padding-left);
        }

        .article-intro p {
            margin: 0 0 1.5rem;
        }

        .article-intro p:last-child {
            margin-bottom: 0;
        }

        .article-date {
            display: block;
            margin-bottom: 1rem;
            font-size: var(--font-size-article-date);
            color: var(--uxec-text-muted);
        }

        h2.section-title {
            font-size: var(--font-size-h2);
            font-weight: var(--font-weight-h2);
            margin: var(--section-title-margin);
            color: var(--uxec-text-primary);
            border-bottom: var(--section-title-border-width) solid var(--uxec-text-primary);
            padding-bottom: var(--section-title-padding-bottom);
            border-radius: 3px;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: var(--card-gap);
            margin-bottom: var(--card-margin-bottom);
        }

        .card {
            background: var(--uxec-bg-card);
            border: 1px solid var(--uxec-border-color);
            border-radius: var(--card-border-radius);
            padding: var(--card-padding);
            transition: background .2s, border-color .2s;
            contain: content;
        }

        .card:hover {
            background: var(--uxec-bg-card-hover);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .card strong {
            display: block;
            color: var(--uxec-accent-color-1);
            font-size: var(--font-size-card-strong);
            margin-bottom: var(--card-strong-margin-bottom);
            border-bottom: 1px solid var(--uxec-border-color);
            padding-bottom: 4px;
        }

        .section-lead {
            margin-bottom: var(--section-lead-margin-bottom);
            color: var(--uxec-text-secondary);
        }

        .card--wide {
            grid-column: 1 / -1;
        }

        .card--else,
        section .card--else:hover {
            background: none;
            border: none;
            border-radius: 0;
        }

        .card--else strong {
            font-size: var(--font-size-card-else);
            color: var(--uxec-text-primary);
            border-bottom: var(--card-border-width) solid var(--uxec-text-primary);
            border-radius: 2px 2px 8px 2px;
        }

        .card span {
            font-size: 0.9rem;
            color: var(--uxec-text-secondary);
        }

        .card p {
            margin: 0;
            font-size: var(--font-size-card-p);
            color: var(--uxec-text-secondary);
        }

        .card--accent {
            border-left: 2px solid var(--uxec-accent-color-1);
            background: rgba(159, 214, 255, 0.01);
            border-radius: 6px 10px 10px 6px;
        }

        .card--warn {
            border-left: 2px solid var(--uxec-accent-color-3);
            background: rgba(234, 179, 8, 0.01);
            border-radius: 6px 10px 10px 6px;
        }

        .card--warn strong {
            color: var(--uxec-accent-color-3);
            border-bottom-color: rgba(234, 179, 8, 0.15);
        }

        .content-block,
        .callout {
            background: var(--uxec-bg-card);
            border: 1px solid var(--uxec-border-color);
            border-left: 2px solid var(--uxec-border-color);
            border-radius: var(--content-block-border-radius);
            padding: var(--content-block-padding);
            margin-bottom: var(--content-block-margin-bottom);
            transition: background .3s, border-color .3s;
            contain: content;
        }

        .content-block:hover {
            background: var(--uxec-bg-card-hover);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .callout {
            border-left: 2px solid var(--uxec-blue);
        }

        .callout-title {
            margin: var(--callout-title-margin);
            font-weight: bold;
            color: var(--uxec-blue);
            text-transform: uppercase;
            letter-spacing: var(--callout-title-letter-spacing);
        }

        .callout-text {
            margin: 0;
            line-height: 1.6;
        }

        @keyframes summaryBlockShow {
            0% {
                opacity: 0;
                transform: translateY(-5rem);
                filter: drop-shadow(0 0 50px var(--uxec-indigo))
            }

            65% {
                opacity: 0;
            }

            100% {
                opacity: 1;
                transform: translateY(0);
                filter: drop-shadow(0 0 0 var(--uxec-indigo))
            }
        }

        .summary-block {
            margin: var(--summary-block-margin);
            padding: var(--summary-block-padding);
            border-top: 1px solid var(--uxec-border-color);
            text-align: center;
            contain: content;
            opacity: 0;
            transform: translateY(-5rem);
            animation: summaryBlockShow linear forwards;
            animation-timeline: --containerScroll;
            animation-range: entry 70% entry 95%;
        }

        .summary-block p {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin: 0;
            font-size: 1.1em;
            font-style: italic;
            letter-spacing: 0.5px;
            color: transparent;
            background: linear-gradient(145deg, var(--uxec-blue) 30%, var(--uxec-bg-main));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
            filter: drop-shadow(0 0 var(--uxec-blue));
        }

        @keyframes summaryBlockSlide {
            from {
                margin-left: -10rem;
            }

            to {
                margin-left: 0;
            }
        }

        .summary-block p>span {
            margin-left: -10rem;

            animation: summaryBlockSlide linear forwards;
            animation-timeline: --containerScroll;

            --start: 65%;
            --end: 95%;

            animation-range: entry var(--start) entry var(--end);
        }

        .summary-block p>span:nth-child(2) {
            --start: 60%;
            --end: 96%;
        }

        .summary-block p>span:nth-child(3) {
            --start: 55%;
            --end: 97%;
        }

        .summary-block p>span:nth-child(4) {
            --start: 50%;
            --end: 98%;
        }

        .summary-block p>span:nth-child(5) {
            --start: 45%;
            --end: 99%;
        }

        .footer {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: var(--footer-gap);
            text-align: end;
            padding-top: var(--footer-padding-top);
            border-top: var(--footer-border-width) solid var(--uxec-border-color);
            font-size: var(--font-size-footer);
            color: var(--uxec-text-secondary);
            contain: content;
        }

        .footer-lang-ru,
        .footer-lang-en {
            max-width: 800px;
            border-right: 1px dashed rgba(255, 255, 255, 0.05);
            padding-right: var(--footer-lang-padding-right);
        }

        .footer-lang-ru .footer-lang-caption,
        .footer-lang-en .footer-lang-caption {
            margin-bottom: var(--footer-lang-caption-margin-bottom);
        }

        .footer-lang-ru a,
        .footer-lang-en a {
            color: var(--uxec-accent-color-1);
            text-decoration: none;
        }

        .footer-lang-ru .footer-lang-note,
        .footer-lang-en .footer-lang-note {
            font-size: 0.93rem;
            line-height: 1.6;
        }

        .footer-lang-en .footer-lang-note {
            font-style: italic;
        }

        .footer-copyright-row {
            width: 100%;
            font-size: var(--font-size-footer-copyright);
            color: var(--uxec-text-muted);
            margin-top: var(--footer-copyright-margin-top);
            padding-top: var(--footer-copyright-padding-top);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            text-align: center;
        }

        .footer-copyright-row a {
            color: var(--uxec-text-muted);
            text-decoration: underline;
        }

        .footer-copyright-row .footer-copyright-note {
            margin-top: var(--footer-copyright-note-margin-top);
        }

        .btn {
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            -o-user-select: none;
            user-select: none;
            -webkit-touch-callout: none;
            -webkit-user-drag: none;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 2px var(--uxec-bg), 0 0 0 4px var(--uxec-accent-color-1);
        }

        @keyframes fade-in {
            from {
                opacity: 0;
                visibility: hidden;
            }

            to {
                opacity: 1;
                visibility: visible;
            }
        }

        .btn-to-top-container {
            z-index: 3;
            position: fixed;
            width: var(--btn-to-top-width);
            height: var(--btn-to-top-height);
            right: 35px;
            bottom: 120px;
            opacity: 0;
            transform: scale(1);
            contain: layout size style;
            background: linear-gradient(transparent 0%, var(--uxec-text-secondary) 100%);
            text-decoration: none;
            border-radius: var(--btn-to-top-border-radius);
            box-shadow: inset 0 0 5px var(--regular-deep);
            animation: fade-in linear .5s 1.2s forwards;
            animation-timeline: --containerScroll;
            animation-range: 0 300px;
        }

        .btn-to-top {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%230d162280' d='m17.757,16H6.243c-.508,0-.947-.291-1.144-.759-.198-.469-.1-.985.254-1.349l5.047-5.188c.794-.885,2.392-.899,3.213.015l5.034,5.173c.354.363.452.88.254,1.349-.197.468-.636.759-1.144.759Zm-5.757-7c-.336,0-.645.138-.869.388l-5.061,5.202c-.101.104-.068.218-.05.263.019.044.078.147.223.147h11.514c.145,0,.204-.104.223-.147.019-.045.051-.159-.05-.263l-5.047-5.188c-.238-.265-.547-.402-.883-.402Z'/%3E%3C/svg%3E");
            background-size: 90%;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: inherit;
            filter: blur(0.6px);
            transition: box-shadow 0.2s ease-in-out, filter 0.2s ease-in-out;
        }

        .btn-to-top-container:hover .btn-to-top {
            box-shadow: inset 0 0 5px 0 var(--regular-deep), inset 0 0 15px 0 #e3ffef30;
        }

        .btn-to-top-container:active .btn-to-top {
            box-shadow: inset 0 0 3px var(--regular-deep), inset 0 0 6px var(--regular-deep);
            filter: blur(0.8px);
        }

        .btn-to-top::before {
            position: absolute;
            content: '';
            width: 100px;
            height: 100px;
            right: -30px;
            bottom: -30px;
            user-select: none;
            background: none;
            border-top-left-radius: 50%;
        }

        .btn-home-page {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 1;
            padding: var(--btn-home-padding);
            color: var(--regular-deep);
            background-color: var(--uxec-lime);
            font-weight: 700;
            font-size: var(--font-size-btn);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            text-decoration: none;
            contain: content;
            border-radius: var(--btn-home-border-radius);
            box-shadow: inset 0 0 5px var(--regular-deep);
            transition: scale 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease, filter 0.2s ease;
            filter: contrast(1);
            animation: toggleButtonScroll linear both;
            animation-timeline: --containerScroll;
        }

        .btn-home-page:hover {
            filter: contrast(1.2);
        }

        .btn-home-page:active {
            box-shadow: inset 0 0 3px var(--regular-deep), inset 0 0 6px var(--regular-deep);
            filter: contrast(1.3);
        }

        @keyframes toggleButtonScroll {
            0% {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(var(--tbs-translate));
            }

            3%,
            97% {
                opacity: 0;
                pointer-events: none;
            }

            100% {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
            }
        }

        @media (max-width: 1100px) {
            .card-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 768px) {

            :root {
                --font-size-h1: 1.6rem;
                --font-size-h2: 1.35rem;
                --font-size-intro: 1rem;
                --font-size-card-else: 1.2rem;
                --intro-padding-left: 0.75rem;
                --intro-margin-bottom: 2rem;
                --card-gap: 1rem;
                --tbs-translate: calc(-100dvh + 88px);
            }

            body {
                padding: 0 0.75rem 0 0;
            }

            .article-container {
                padding: 2.25rem 1.25rem;
                border-radius: 0.75rem;
            }

            .card-grid {
                grid-template-columns: minmax(0, 1fr);
            }

            .summary-block {
                animation-range: entry 85% entry 95%;
            }

            .summary-block p {
                gap: 1rem;
            }

            .summary-block p>span {
                display: flex;
                flex-direction: column;
                --start: 85%;
            }

            .summary-block p>span:nth-child(2) {
                --start: 80%;
            }

            .summary-block p>span:nth-child(3) {
                --start: 75%;
            }

            .summary-block p>span:nth-child(4) {
                --start: 70%;
            }

            .summary-block p>span:nth-child(5) {
                --start: 65%;
            }

            .footer-lang-ru,
            .footer-lang-en {
                border-right: none;
                padding-right: 0;
            }

            .btn-home-page {
                bottom: 42px;
            }
        }

        @supports not (animation-timeline: auto) {
            .btn-to-top-container {
                display: none;
            }

            .btn-home-page {
                opacity: 1;
                pointer-events: auto;
                transform: translateY(0);
                animation: none;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            body * {
                animation-duration: 0.01ms;
                animation-iteration-count: 1;
                transition-duration: 0.01ms;
            }
        }

        @media print {

            html,
            body {
                position: static;
                overflow: visible;
                height: auto;
                inset: auto;
                background: #ffffff;
                color: #162534;
            }

            .article-container {
                overflow: visible;
                height: auto;
                padding: 10mm;
            }

            h1.article-title {
                color: #162534;
                background: none;
                -webkit-background-clip: initial;
                background-clip: initial;
            }

            .btn-to-top-container,
            .btn-home-page {
                display: none;
            }
        }