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

        body {
            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            font-size: 13px;
            line-height: 1.428571;
            color: #333;
            background-color: #fff;
        }

        .wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 15px;
        }

        header {
            background-color: #fff;
            border-bottom: 1px solid #eee;
            padding: 20px 0;
        }

        header .wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        header h2 {
            font-size: 16px;
            font-weight: normal;
            color: #333;
            margin: 0;
        }

        nav {
            background-color: #000;
            border-bottom: 1px solid #eee;
        }

        nav .wrapper {
            padding: 0;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        nav ul li {
            margin: 0;
        }

        nav ul li a {
            display: block;
            padding: 15px 20px;
            color: #fff;
            text-decoration: none;
            transition: background-color 0.3s;
        }

        nav ul li a:hover {
            background-color: #333;
        }

        .content {
            padding: 40px 0;
        }

        h1 {
            font-size: 33px;
            font-weight: 500;
            line-height: 1.1;
            margin: 0 0 18px;
            color: #333;
        }

        article {
            margin-bottom: 30px;
        }

        article h2 {
            font-size: 27px;
            font-weight: 500;
            margin: 18px 0 9px;
            color: #333;
        }

        article h3 {
            font-size: 23px;
            font-weight: 500;
            margin: 18px 0 9px;
            color: #333;
        }

        article p {
            margin: 0 0 9px;
            line-height: 1.714286;
        }

        .transition-section {
            margin: 30px 0;
        }

        .transition-section p {
            margin: 0 0 9px;
            line-height: 1.714286;
        }

        .links-section {
            background-color: #f5f5f5;
            padding: 30px 0;
            margin-top: 40px;
        }

        .links-section h3 {
            font-size: 23px;
            font-weight: 500;
            margin: 0 0 15px;
            color: #333;
        }

        .links-section ul {
            list-style: none;
            padding: 0;
            margin: 0 0 30px;
            column-count: 2;
            column-gap: 30px;
        }

        .links-section ul li {
            margin: 0 0 10px;
            break-inside: avoid;
        }

        .links-section ul li a {
            color: #000;
            text-decoration: none;
            transition: color 0.3s;
        }

        .links-section ul li a:hover {
            color: #335980;
            text-decoration: underline;
        }

        footer {
            background-color: #000;
            color: #fff;
            padding: 20px 0;
            text-align: center;
        }

        footer .wrapper {
            color: #fff;
            font-size: 12px;
        }

        @media (max-width: 767px) {
            nav ul {
                flex-direction: column;
            }

            nav ul li {
                border-bottom: 1px solid #333;
            }

            .links-section ul {
                column-count: 1;
            }

            h1 {
                font-size: 24px;
            }

            article h2 {
                font-size: 20px;
            }

            article h3 {
                font-size: 18px;
            }
        }

        @media (min-width: 768px) and (max-width: 991px) {
            .links-section ul {
                column-count: 2;
            }
        }