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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f9f9f9;
        }

        .container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: #0a4e5e;
            color: #fff;
            padding: 20px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            letter-spacing: 0.1rem;
            color: #fff;
            text-decoration: none;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            font-size: 0.95rem;
            letter-spacing: 0.05rem;
            transition: opacity 0.3s;
        }

        nav a:hover {
            opacity: 0.8;
        }

        main {
            background: #fff;
            margin: 40px auto;
            padding: 60px 40px;
            max-width: 1160px;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
        }

        h1 {
            font-size: 2.5rem;
            color: #0a4e5e;
            margin-bottom: 30px;
            letter-spacing: 0.05rem;
            line-height: 1.3;
            text-align: center;
        }

        article {
            margin-bottom: 50px;
        }

        article p {
            margin-bottom: 20px;
            font-size: 1rem;
            line-height: 1.8;
            color: #333;
        }

        article h2, article h3, article h4, article h5, article h6 {
            margin-top: 30px;
            margin-bottom: 15px;
            color: #0a4e5e;
            line-height: 1.4;
        }

        article h2 {
            font-size: 2rem;
        }

        article h3 {
            font-size: 1.5rem;
        }

        article h4 {
            font-size: 1.25rem;
        }

        .transition-section {
            margin: 50px 0;
            padding: 30px;
            background: #dfe9e9;
            border-left: 4px solid #0a4e5e;
        }

        .transition-section p {
            font-size: 1rem;
            line-height: 1.8;
            color: #0a4e5e;
        }

        .links-section {
            background: #f5f5f5;
            padding: 50px 40px;
            margin-top: 50px;
            border-top: 4px solid;
            border-image: linear-gradient(to right, #ac7eb6 0%, #f192bc 19%, #fecb4b 35%, #fef28a 55%, #a1d1ad 73%, #7db9e8 100%);
            border-image-slice: 1;
        }

        .links-section h3 {
            font-size: 1.5rem;
            color: #0a4e5e;
            margin-bottom: 20px;
            letter-spacing: 0.05rem;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 40px;
            margin-bottom: 30px;
        }

        .links-section li {
            margin-bottom: 12px;
            break-inside: avoid;
        }

        .links-section a {
            color: #0a4e5e;
            text-decoration: none;
            font-size: 0.95rem;
            line-height: 1.6;
            transition: color 0.3s;
            display: inline-block;
        }

        .links-section a:hover {
            color: #f39548;
            text-decoration: underline;
        }

        footer {
            background: #0a4e5e;
            color: #fff;
            padding: 40px 0;
            margin-top: 60px;
            text-align: center;
        }

        footer p {
            font-size: 0.9rem;
            letter-spacing: 0.05rem;
        }

        @media screen and (max-width: 768px) {
            nav ul {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }

            .header-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            h1 {
                font-size: 2rem;
            }

            main {
                padding: 40px 20px;
                margin: 20px 10px;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.25rem;
            }

            .links-section {
                padding: 30px 20px;
            }

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

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

        @media screen and (max-width: 480px) {
            h1 {
                font-size: 1.75rem;
            }

            article p {
                font-size: 0.95rem;
            }

            .logo {
                font-size: 1.25rem;
            }
        }