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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f5f5f5;
        }

        header {
            background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

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

        .logo {
            color: #fee88d;
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        nav {
            background: #fff;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            display: block;
            padding: 1rem 1.5rem;
            color: #333;
            text-decoration: none;
            transition: all 0.3s ease;
            border-bottom: 3px solid transparent;
        }

        nav ul li a:hover {
            background: rgba(0, 0, 0, 0.05);
            border-bottom-color: #fee88d;
        }

        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 20px;
        }

        .content-wrapper {
            background: #fff;
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            margin-bottom: 2rem;
        }

        h1 {
            font-size: 2.5rem;
            color: #1a1a1a;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #fee88d;
        }

        article h2 {
            font-size: 1.8rem;
            color: #2c2c2c;
            margin: 2rem 0 1rem;
        }

        article h3 {
            font-size: 1.4rem;
            color: #333;
            margin: 1.5rem 0 1rem;
        }

        article h4 {
            font-size: 1.2rem;
            color: #444;
            margin: 1.2rem 0 0.8rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            line-height: 1.8;
            color: #555;
        }

        article ul, article ol {
            margin: 1rem 0 1.5rem 2rem;
        }

        article li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }

        .transition-section {
            background: #fafafa;
            padding: 2.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 4px solid #fee88d;
        }

        .transition-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #555;
            margin-bottom: 1rem;
        }

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

        .links-section h2 {
            font-size: 2rem;
            color: #1a1a1a;
            margin-bottom: 2rem;
            text-align: center;
        }

        .links-section h3 {
            font-size: 1.5rem;
            color: #2c2c2c;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem;
            margin-bottom: 2rem;
        }

        .links-section ul li {
            background: #fafafa;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .links-section ul li:hover {
            background: #f0f0f0;
            transform: translateX(5px);
        }

        .links-section ul li a {
            display: block;
            padding: 0.8rem 1rem;
            color: #333;
            text-decoration: none;
            border-left: 3px solid transparent;
            transition: all 0.3s ease;
        }

        .links-section ul li:hover a {
            border-left-color: #fee88d;
            color: #1a1a1a;
        }

        footer {
            background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
            color: #fff;
            text-align: center;
            padding: 2rem 0;
            margin-top: 3rem;
        }

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

            nav ul {
                flex-direction: column;
            }

            nav ul li a {
                padding: 0.8rem 1rem;
                border-bottom: 1px solid #e0e0e0;
            }

            .content-wrapper {
                padding: 1.5rem;
            }

            h1 {
                font-size: 1.8rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            .links-section {
                padding: 1.5rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }

            .transition-section {
                padding: 1.5rem;
            }
        }

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

            h1 {
                font-size: 1.5rem;
            }

            article p {
                font-size: 1rem;
            }
        }