:root {
            --primary: #f4f7fb;
            --secondary: #1e3a5f;
            --accent: #f28c28;
            --text: #1f2933;
            --muted: #5b6b7c;
            --white: #ffffff;
            --border: #d9e2ec;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--primary);
            color: var(--text);
            line-height: 1.7;
            font-size: 17px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* Header */
        .site-header {
            background-color: var(--secondary);
            border-bottom: 4px solid var(--accent);
            padding: 18px 20px;
        }

        .header-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--white);
            text-decoration: none;
        }

        .logo span {
            color: var(--accent);
        }

        /* Navbar */
        .navbar {
            background-color: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 6px rgba(30, 58, 95, 0.06);
        }

        .navbar-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .navbar ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
        }

        .navbar a {
            display: block;
            padding: 14px 16px;
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            border-bottom: 3px solid transparent;
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .navbar a:hover,
        .navbar a:focus {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* Main */
        main {
            flex: 1;
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 40px 20px 50px;
        }

        h1 {
            font-size: 2.4rem;
            line-height: 1.25;
            color: var(--secondary);
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 4px solid var(--accent);
            overflow-wrap: break-word;
        }

        article {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 34px 38px;
            box-shadow: 0 4px 14px rgba(30, 58, 95, 0.06);
            overflow-wrap: break-word;
        }

        article h2 {
            font-size: 1.7rem;
            color: var(--secondary);
            margin: 30px 0 14px;
            line-height: 1.3;
        }

        article h3 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 26px 0 12px;
            line-height: 1.3;
        }

        article h4,
        article h5,
        article h6 {
            font-size: 1.15rem;
            color: var(--secondary);
            margin: 22px 0 10px;
        }

        article > :first-child {
            margin-top: 0;
        }

        article p {
            margin-bottom: 18px;
        }

        article ul,
        article ol {
            margin: 0 0 18px 24px;
        }

        article li {
            margin-bottom: 8px;
        }

        article a {
            color: var(--accent);
        }

        .transition {
            margin-top: 30px;
            padding: 22px 28px;
            background-color: var(--white);
            border-left: 5px solid var(--accent);
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(30, 58, 95, 0.05);
            color: var(--muted);
            overflow-wrap: break-word;
        }

        .transition p {
            margin-bottom: 12px;
        }

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

        /* Links block */
        .links-block {
            margin-top: 34px;
            background-color: var(--secondary);
            border: 1px solid var(--secondary);
            border-radius: 10px;
            padding: 30px 34px;
            color: var(--white);
        }

        .links-block h3 {
            font-size: 1.3rem;
            color: var(--accent);
            margin: 28px 0 14px;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            line-height: 1.3;
        }

        .links-block h3:first-child {
            margin-top: 0;
        }

        .links-block ul {
            list-style: none;
            columns: 2;
            column-gap: 40px;
            margin: 0 0 8px;
            padding: 0;
        }

        .links-block li {
            break-inside: avoid;
            page-break-inside: avoid;
            padding: 6px 0 6px 18px;
            position: relative;
            overflow-wrap: break-word;
        }

        .links-block li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 1.15em;
            width: 7px;
            height: 7px;
            background-color: var(--accent);
            border-radius: 50%;
        }

        .links-block a {
            color: var(--white);
            text-decoration: none;
            border-bottom: 1px dotted rgba(255, 255, 255, 0.5);
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .links-block a:hover,
        .links-block a:focus {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        /* Footer */
        .site-footer {
            background-color: var(--secondary);
            border-top: 4px solid var(--accent);
            color: var(--white);
            padding: 26px 20px;
            text-align: center;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--white);
        }

        .footer-logo span {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 768px) {
            body {
                font-size: 16px;
            }

            h1 {
                font-size: 1.8rem;
            }

            article {
                padding: 24px 20px;
            }

            .links-block {
                padding: 24px 20px;
            }

            .transition {
                padding: 18px 20px;
            }

            .navbar a {
                padding: 12px 12px;
            }
        }

        @media (max-width: 560px) {
            .links-block ul {
                columns: 1;
            }

            .header-inner {
                justify-content: center;
                text-align: center;
            }

            .navbar ul {
                justify-content: center;
            }

            h1 {
                font-size: 1.55rem;
            }

            article h2 {
                font-size: 1.4rem;
            }

            article h3 {
                font-size: 1.2rem;
            }
        }