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

        body {
            font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #242833;
            background-color: #ffffff;
        }

        header {
            background-color: #ffffff;
            padding: 20px 0;
            border-bottom: 1px solid #f0f0f0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

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

        .site-title {
            font-size: 24px;
            font-weight: 300;
            color: #ff414e;
            text-decoration: none;
        }

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

        nav ul li a {
            text-decoration: none;
            color: #242833;
            font-size: 14px;
            font-weight: 400;
            transition: color 0.3s ease;
        }

        nav ul li a:hover {
            color: #ff414e;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
        }

        h1 {
            font-size: 48px;
            font-weight: 300;
            color: #242833;
            text-align: center;
            margin-bottom: 40px;
            line-height: 1.3;
        }

        h2 {
            font-size: 36px;
            font-weight: 300;
            color: #242833;
            margin: 40px 0 20px;
        }

        h3 {
            font-size: 21px;
            font-weight: 400;
            color: #242833;
            margin: 30px 0 15px;
        }

        h4 {
            font-size: 18px;
            font-weight: 400;
            color: #242833;
            margin: 25px 0 12px;
        }

        article {
            background-color: #ffffff;
            padding: 40px 0;
        }

        article p {
            margin-bottom: 20px;
            color: #242833;
            font-size: 16px;
            line-height: 1.8;
        }

        .transition-section {
            background-color: #fafafb;
            padding: 60px 20px;
            margin: 60px -20px;
        }

        .transition-section p {
            max-width: 1200px;
            margin: 0 auto 20px;
            color: #242833;
            font-size: 16px;
            line-height: 1.8;
        }

        .links-section {
            background-color: #fafafb;
            padding: 80px 20px;
            margin: 60px -20px 0;
            border-top: 1px solid #e0e0e0;
        }

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

        .links-section h3 {
            font-size: 24px;
            font-weight: 400;
            color: #242833;
            margin-bottom: 25px;
        }

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

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

        .links-section ul li a {
            color: #ff414e;
            text-decoration: none;
            font-size: 15px;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .links-section ul li a:hover {
            color: #bf313b;
            text-decoration: underline;
        }

        footer {
            background-color: #fafafb;
            padding: 60px 20px 30px;
            margin-top: 80px;
            border-top: 1px solid #e0e0e0;
        }

        .footer-inside {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-box h3 {
            font-size: 18px;
            font-weight: 600;
            color: #242833;
            margin-bottom: 20px;
        }

        .footer-secondary {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #e0e0e0;
            color: #666;
            font-size: 14px;
        }

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

            .header-inside {
                flex-direction: column;
                gap: 20px;
            }

            h1 {
                font-size: 32px;
            }

            h2 {
                font-size: 28px;
            }

            h3 {
                font-size: 18px;
            }

            main {
                padding: 40px 20px;
            }

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

            .transition-section {
                padding: 40px 20px;
            }

            .links-section {
                padding: 60px 20px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 24px;
            }

            article {
                padding: 20px 0;
            }
        }