* {
            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-color: #f5f5f0;
        }

        header {
            background: linear-gradient(135deg, #5a4a3a 0%, #7d6d5d 100%);
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1 {
            color: #f5f5f0;
            font-size: 2.5rem;
            text-align: center;
            font-weight: 600;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

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

        article {
            background: #fff;
            padding: 3rem 2.5rem;
            margin: 2rem auto;
            box-shadow: 0 3px 15px rgba(0,0,0,0.1);
            border-radius: 8px;
            border-top: 4px solid #8b7355;
        }

        article h2 {
            color: #5a4a3a;
            margin: 2rem 0 1rem 0;
            font-size: 1.8rem;
            border-bottom: 2px solid #d4c5b3;
            padding-bottom: 0.5rem;
        }

        article h3 {
            color: #7d6d5d;
            margin: 1.5rem 0 0.8rem 0;
            font-size: 1.4rem;
        }

        article h4 {
            color: #8b7355;
            margin: 1.2rem 0 0.6rem 0;
            font-size: 1.2rem;
        }

        article p {
            margin-bottom: 1.2rem;
            color: #444;
            font-size: 1.05rem;
        }

        article strong {
            color: #5a4a3a;
        }

        .transition-section {
            background: #faf9f6;
            padding: 2.5rem 2.5rem;
            margin: 2rem auto;
            border-radius: 8px;
            border-left: 5px solid #8b7355;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .transition-section p {
            color: #555;
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }

        .links-section {
            background: #fff;
            padding: 3rem 2.5rem;
            margin: 2rem auto 3rem auto;
            box-shadow: 0 3px 15px rgba(0,0,0,0.1);
            border-radius: 8px;
            border-top: 4px solid #8b7355;
        }

        .links-section h3 {
            color: #5a4a3a;
            margin: 2rem 0 1rem 0;
            font-size: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e5d9c9;
        }

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

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 3rem;
            margin: 1.5rem 0 2rem 0;
        }

        .links-section li {
            margin-bottom: 0.8rem;
            break-inside: avoid;
        }

        .links-section a {
            color: #7d6d5d;
            text-decoration: none;
            font-size: 1rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
            padding-left: 0;
            position: relative;
        }

        .links-section a:before {
            content: "→";
            position: absolute;
            left: -20px;
            opacity: 0;
            transition: opacity 0.3s ease, left 0.3s ease;
        }

        .links-section a:hover {
            color: #5a4a3a;
            padding-left: 20px;
        }

        .links-section a:hover:before {
            opacity: 1;
            left: 0;
        }

        footer {
            background: linear-gradient(135deg, #5a4a3a 0%, #7d6d5d 100%);
            color: #f5f5f0;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
            box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
        }

        footer p {
            margin: 0.5rem 0;
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }

            article, .transition-section, .links-section {
                padding: 2rem 1.5rem;
                margin: 1.5rem auto;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.25rem;
            }

            .links-section ul {
                column-count: 1;
                column-gap: 0;
            }

            .links-section h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }

            article, .transition-section, .links-section {
                padding: 1.5rem 1rem;
            }

            article p, .transition-section p {
                font-size: 1rem;
            }
        }