* {
            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: #f5f5f5;
        }

        .header {
            background-color: #fff;
            border-bottom: 1px solid #e0e0e0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-top {
            background-color: #f8f8f8;
            border-bottom: 1px solid #e0e0e0;
            padding: 8px 0;
        }

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

        .header-top .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .service-nav {
            display: flex;
            gap: 20px;
            font-size: 14px;
        }

        .service-nav a {
            color: #666;
            text-decoration: none;
            transition: color 0.3s;
        }

        .service-nav a:hover {
            color: #000;
        }

        .language-switcher {
            display: flex;
            gap: 10px;
            font-size: 14px;
        }

        .language-switcher a {
            color: #666;
            text-decoration: none;
            transition: color 0.3s;
        }

        .language-switcher a:hover,
        .language-switcher a.active {
            color: #000;
            font-weight: 600;
        }

        .main-header {
            padding: 20px 0;
        }

        .main-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            color: #000;
            text-decoration: none;
        }

        .main-nav {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .main-nav a {
            color: #333;
            text-decoration: none;
            font-size: 16px;
            transition: color 0.3s;
            font-weight: 500;
        }

        .main-nav a:hover {
            color: #0066cc;
        }

        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            padding: 60px 0;
            margin-bottom: 40px;
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .content-wrapper {
            background-color: #fff;
            margin-bottom: 40px;
        }

        article {
            max-width: 900px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        article h2 {
            font-size: 32px;
            margin: 30px 0 20px;
            color: #222;
            font-weight: 600;
        }

        article h3 {
            font-size: 24px;
            margin: 25px 0 15px;
            color: #333;
            font-weight: 600;
        }

        article h4 {
            font-size: 20px;
            margin: 20px 0 12px;
            color: #444;
            font-weight: 600;
        }

        article p {
            margin-bottom: 18px;
            font-size: 16px;
            line-height: 1.8;
            color: #555;
        }

        article ul, article ol {
            margin: 15px 0 15px 25px;
        }

        article li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .transition-section {
            max-width: 900px;
            margin: 0 auto;
            padding: 30px 20px;
            background-color: #fff;
        }

        .transition-section p {
            font-size: 16px;
            line-height: 1.8;
            color: #555;
            margin-bottom: 18px;
        }

        {% if links %}
        .links-section {
            background-color: #f9f9f9;
            padding: 50px 20px;
            margin-top: 40px;
            border-top: 3px solid #667eea;
        }

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

        .links-section h3 {
            font-size: 26px;
            margin-bottom: 20px;
            color: #222;
            font-weight: 600;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 40px;
            margin-bottom: 35px;
        }

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

        .links-section a {
            color: #0066cc;
            text-decoration: none;
            font-size: 16px;
            transition: color 0.3s;
            display: inline-block;
        }

        .links-section a:hover {
            color: #004499;
            text-decoration: underline;
        }
        {% endif %}

        .footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 40px 20px 20px;
            margin-top: 60px;
        }

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

        .footer p {
            font-size: 14px;
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }

            article h2 {
                font-size: 26px;
            }

            article h3 {
                font-size: 22px;
            }

            .main-nav {
                flex-direction: column;
                gap: 15px;
                margin-top: 15px;
                width: 100%;
            }

            .main-header .container {
                flex-direction: column;
            }

            .service-nav {
                flex-wrap: wrap;
            }

            .header-top .container {
                flex-direction: column;
                gap: 10px;
            }

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

        @media (max-width: 480px) {
            .hero {
                padding: 40px 0;
            }

            .hero h1 {
                font-size: 28px;
            }

            article {
                padding: 30px 15px;
            }

            article h2 {
                font-size: 24px;
            }

            article h3 {
                font-size: 20px;
            }
        }