* {
            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, #2c5282 0%, #1a365d 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .logo .point {
            color: #4299e1;
            font-size: 2.5rem;
            line-height: 0;
            vertical-align: middle;
        }

        .nav {
            background: #1a365d;
            border-bottom: 3px solid #4299e1;
        }

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

        .nav-item {
            flex: 1 1 auto;
            min-width: 150px;
        }

        .nav-item a {
            display: block;
            padding: 1rem 1.5rem;
            color: white;
            text-decoration: none;
            transition: background-color 0.3s ease;
            border-right: 1px solid rgba(255,255,255,0.1);
            text-align: center;
        }

        .nav-item:last-child a {
            border-right: none;
        }

        .nav-item a:hover,
        .nav-item.active a {
            background: #2d3748;
            color: #4299e1;
        }

        .top-menu {
            background: white;
            border-bottom: 1px solid #e2e8f0;
            padding: 0.5rem 0;
        }

        .top-menu-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            gap: 1.5rem;
        }

        .top-menu-item a {
            color: #4a5568;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .top-menu-item a:hover {
            color: #2c5282;
        }

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

        h1 {
            font-size: 2.5rem;
            color: #1a365d;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #4299e1;
            line-height: 1.2;
        }

        article {
            background: white;
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        article h2 {
            color: #2c5282;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }

        article h3 {
            color: #2d3748;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        article p {
            margin-bottom: 1.2rem;
            color: #4a5568;
            font-size: 1.05rem;
        }

        article ul,
        article ol {
            margin-bottom: 1.2rem;
            margin-left: 2rem;
        }

        article li {
            margin-bottom: 0.6rem;
            color: #4a5568;
            line-height: 1.7;
        }

        article a {
            color: #2c5282;
            text-decoration: none;
            border-bottom: 1px solid #4299e1;
            transition: color 0.3s ease;
        }

        article a:hover {
            color: #4299e1;
        }

        .transition-section {
            background: white;
            padding: 2rem 2.5rem;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .transition-section p {
            color: #4a5568;
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }

        {% if links %}
        .links-section {
            background: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }

        .links-section h2 {
            color: #1a365d;
            margin-bottom: 1.5rem;
            font-size: 2rem;
        }

        .links-section h3 {
            color: #2c5282;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }

        .links-section ul {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 0.8rem 2rem;
            list-style: none;
            margin-bottom: 2rem;
        }

        .links-section li {
            padding-left: 1.5rem;
            position: relative;
        }

        .links-section li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #4299e1;
            font-weight: bold;
        }

        .links-section a {
            color: #2c5282;
            text-decoration: none;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
        }

        .links-section a:hover {
            color: #4299e1;
            padding-left: 0.3rem;
        }
        {% endif %}

        @media (max-width: 768px) {
            .logo {
                font-size: 1.4rem;
            }

            .nav-container {
                flex-direction: column;
            }

            .nav-item {
                min-width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }

            .nav-item a {
                border-right: none;
            }

            .top-menu-container {
                justify-content: center;
                gap: 1rem;
            }

            h1 {
                font-size: 1.8rem;
            }

            article,
            .transition-section,
            .links-section {
                padding: 1.5rem;
            }

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

        @media (max-width: 480px) {
            .header-content {
                padding: 0 15px;
            }

            .container {
                padding: 0 15px;
            }

            h1 {
                font-size: 1.5rem;
            }

            article h2 {
                font-size: 1.4rem;
            }

            article h3 {
                font-size: 1.2rem;
            }
        }