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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #0d0806;
            background-color: #f8f8f8;
        }

        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;
            text-align: center;
        }

        .site-title {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
        }

        .site-tagline {
            color: #e0e0e0;
            font-size: 1.1rem;
            font-weight: 300;
            font-style: italic;
        }

        nav {
            background-color: #fff;
            border-bottom: 3px solid #f62e46;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

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

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            padding: 0;
        }

        nav ul li {
            margin: 0;
        }

        nav ul li a {
            display: block;
            padding: 1.2rem 1.5rem;
            color: #333;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
        }

        nav ul li a:hover {
            color: #f62e46;
            background-color: #f9f9f9;
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background-color: #f62e46;
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        nav ul li a:hover::after {
            width: 80%;
        }

        main {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 20px;
        }

        h1 {
            font-size: 2.8rem;
            color: #2c2c2c;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 4px solid #f62e46;
            font-weight: 700;
            line-height: 1.3;
        }

        article {
            background-color: #fff;
            padding: 3rem;
            margin-bottom: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }

        article h2 {
            font-size: 2rem;
            color: #2c2c2c;
            margin: 2.5rem 0 1.5rem 0;
            font-weight: 700;
            border-left: 5px solid #f62e46;
            padding-left: 1rem;
        }

        article h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem 0;
            font-weight: 600;
        }

        article h4 {
            font-size: 1.3rem;
            color: #444;
            margin: 1.5rem 0 1rem 0;
            font-weight: 600;
        }

        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
            color: #444;
        }

        .transition-section {
            background-color: #fff;
            padding: 2.5rem;
            margin-bottom: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            border-left: 5px solid #f62e46;
        }

        .transition-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #444;
            margin-bottom: 1rem;
        }

        .transition-section p:last-child {
            margin-bottom: 0;
        }

        .links-section {
            background: linear-gradient(135deg, #fff 0%, #f9f9f9 100%);
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            margin-bottom: 3rem;
        }

        .links-section h3 {
            font-size: 1.8rem;
            color: #2c2c2c;
            margin-bottom: 1.5rem;
            font-weight: 700;
            border-bottom: 3px solid #f62e46;
            padding-bottom: 0.8rem;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 3rem;
            margin-bottom: 2.5rem;
        }

        .links-section ul:last-child {
            margin-bottom: 0;
        }

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

        .links-section ul li a {
            color: #0066cc;
            text-decoration: none;
            font-size: 1.05rem;
            display: inline-block;
            padding: 0.3rem 0;
            transition: all 0.2s ease;
            position: relative;
        }

        .links-section ul li a::before {
            content: '→';
            margin-right: 0.5rem;
            color: #f62e46;
            font-weight: bold;
            transition: transform 0.2s ease;
            display: inline-block;
        }

        .links-section ul li a:hover {
            color: #f62e46;
            padding-left: 0.5rem;
        }

        .links-section ul li a:hover::before {
            transform: translateX(5px);
        }

        footer {
            background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
            color: #e0e0e0;
            padding: 2.5rem 0;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }

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

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

            .site-tagline {
                font-size: 1rem;
            }

            nav ul {
                flex-direction: column;
            }

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

            h1 {
                font-size: 2rem;
            }

            article {
                padding: 1.5rem;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.4rem;
            }

            .links-section {
                padding: 1.5rem;
            }

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

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

        @media (max-width: 480px) {
            .site-title {
                font-size: 1.5rem;
                letter-spacing: 1px;
            }

            h1 {
                font-size: 1.6rem;
            }

            article {
                padding: 1.2rem;
            }

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