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

        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }

        .top-bar {
            background-color: #333;
            color: #999;
            padding: 10px 0;
            font-size: 13px;
        }

        .top-bar .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .site-title {
            font-size: 28px;
            font-weight: 700;
            color: #294a70;
            margin: 0;
        }

        .site-title a {
            color: #294a70;
            text-decoration: none;
        }

        nav {
            background-color: #294a70;
            padding: 0;
        }

        nav .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        nav ul li {
            margin: 0;
            padding: 0;
        }

        nav ul li a {
            display: block;
            padding: 15px 20px;
            color: #fff;
            text-decoration: none;
            font-size: 14px;
            transition: background-color 0.3s;
        }

        nav ul li a:hover {
            background-color: #15305b;
        }

        .main-content {
            max-width: 1200px;
            margin: 40px auto;
            padding: 0 20px;
            background-color: #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .content-wrapper {
            padding: 40px;
        }

        h1 {
            font-size: 32px;
            color: #294a70;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid #f4a024;
            font-weight: 600;
        }

        article h2 {
            font-size: 24px;
            color: #294a70;
            margin-top: 30px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        article h3 {
            font-size: 20px;
            color: #294a70;
            margin-top: 25px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        article h4 {
            font-size: 18px;
            color: #294a70;
            margin-top: 20px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        article p {
            margin-bottom: 15px;
            font-size: 16px;
            line-height: 1.7;
        }

        article ul, article ol {
            margin-bottom: 15px;
            padding-left: 30px;
        }

        article li {
            margin-bottom: 8px;
            line-height: 1.6;
        }

        article strong {
            font-weight: 700;
            color: #222;
        }

        article em {
            font-style: italic;
        }

        article blockquote {
            background-color: #f5f5f5;
            border-left: 4px solid #f4a024;
            padding: 15px 20px;
            margin: 20px 0;
            font-style: italic;
        }

        .transition-section {
            padding: 30px 40px;
            background-color: #fafafa;
            border-top: 1px solid #eee;
        }

        .transition-section p {
            margin-bottom: 15px;
            font-size: 16px;
            line-height: 1.7;
        }

        .links-section {
            padding: 40px;
            background-color: #f5f5f5;
            border-top: 2px solid #e0e0e0;
        }

        .links-section h3 {
            font-size: 22px;
            color: #294a70;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .links-section ul {
            list-style: none;
            padding: 0;
            margin: 0 0 30px 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 20px;
        }

        .links-section li {
            margin: 0;
            padding: 0;
        }

        .links-section li:before {
            content: "→ ";
            color: #f4a024;
            margin-right: 5px;
        }

        .links-section a {
            color: #294a70;
            text-decoration: none;
            transition: color 0.3s;
        }

        .links-section a:hover {
            color: #f4a024;
            text-decoration: underline;
        }

        footer {
            background-color: #222;
            color: #999;
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 14px;
        }

        footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul li {
                width: 100%;
            }

            nav ul li a {
                padding: 12px 15px;
            }

            .content-wrapper {
                padding: 20px;
            }

            h1 {
                font-size: 26px;
            }

            article h2 {
                font-size: 22px;
            }

            article h3 {
                font-size: 18px;
            }

            .links-section {
                padding: 20px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
            }

            .transition-section {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .site-title {
                font-size: 22px;
            }

            h1 {
                font-size: 24px;
            }

            article h2 {
                font-size: 20px;
            }

            article p {
                font-size: 15px;
            }
        }