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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #43454b;
            background-color: #ffffff;
        }

        .site-header {
            background-color: #ffffff;
            border-bottom: 1px solid #e2e4e7;
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
        }

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

        .site-logo {
            font-size: 24px;
            font-weight: 700;
            color: #43454b;
            text-decoration: none;
            letter-spacing: 0.5px;
        }

        .main-navigation ul {
            list-style: none;
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .main-navigation a {
            color: #43454b;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 8px 0;
        }

        .main-navigation a:hover {
            color: #000000;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .mobile-menu-toggle svg {
            width: 28px;
            height: 28px;
            stroke: #43454b;
        }

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

        h1 {
            font-size: 42px;
            font-weight: 700;
            color: #000000;
            margin-bottom: 40px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        article {
            margin-bottom: 60px;
        }

        article p {
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
            color: #43454b;
        }

        article h2 {
            font-size: 32px;
            font-weight: 700;
            color: #000000;
            margin-top: 40px;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        article h3 {
            font-size: 24px;
            font-weight: 600;
            color: #000000;
            margin-top: 30px;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        article h4 {
            font-size: 20px;
            font-weight: 600;
            color: #000000;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        .transition-section {
            background-color: #f8f9fa;
            padding: 40px;
            border-radius: 8px;
            margin-bottom: 60px;
        }

        .transition-section p {
            font-size: 16px;
            line-height: 1.8;
            color: #43454b;
            margin-bottom: 15px;
        }

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

        .links-section {
            background-color: #ffffff;
            border: 1px solid #e2e4e7;
            border-radius: 8px;
            padding: 50px 40px;
            margin-bottom: 60px;
        }

        .links-section h3 {
            font-size: 22px;
            font-weight: 600;
            color: #000000;
            margin-bottom: 20px;
            margin-top: 30px;
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px 30px;
            margin-bottom: 30px;
        }

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

        .links-section li {
            position: relative;
            padding-left: 0;
        }

        .links-section a {
            color: #43454b;
            text-decoration: none;
            font-size: 15px;
            line-height: 1.6;
            display: inline-block;
            transition: color 0.2s ease;
            border-bottom: 1px solid transparent;
        }

        .links-section a:hover {
            color: #000000;
            border-bottom-color: #000000;
        }

        .site-footer {
            background-color: #f8f9fa;
            border-top: 1px solid #e2e4e7;
            padding: 40px 20px;
            margin-top: 80px;
        }

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

        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #43454b;
            margin-bottom: 15px;
        }

        .footer-text {
            font-size: 14px;
            color: #7e8993;
        }

        @media (max-width: 968px) {
            .main-navigation {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #ffffff;
                border-top: 1px solid #e2e4e7;
                box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            }

            .main-navigation.active {
                display: block;
            }

            .main-navigation ul {
                flex-direction: column;
                gap: 0;
                padding: 20px;
            }

            .main-navigation li {
                width: 100%;
                border-bottom: 1px solid #e2e4e7;
            }

            .main-navigation li:last-child {
                border-bottom: none;
            }

            .main-navigation a {
                display: block;
                padding: 15px 0;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .site-header {
                position: relative;
            }

            .header-container {
                position: relative;
            }

            h1 {
                font-size: 32px;
                margin-bottom: 30px;
            }

            article h2 {
                font-size: 26px;
                margin-top: 30px;
            }

            article h3 {
                font-size: 22px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .transition-section {
                padding: 30px 25px;
            }

            .links-section {
                padding: 35px 25px;
            }

            .main-content {
                padding: 40px 20px;
            }
        }

        @media (max-width: 600px) {
            h1 {
                font-size: 28px;
            }

            .site-logo {
                font-size: 20px;
            }

            article h2 {
                font-size: 24px;
            }

            article h3 {
                font-size: 20px;
            }

            .links-section h3 {
                font-size: 20px;
            }

            .transition-section {
                padding: 25px 20px;
            }

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