* {
            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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 2rem 1rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .logo-section {
            margin-bottom: 1.5rem;
        }

        .site-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }

        .site-subtitle {
            font-size: 1.1rem;
            opacity: 0.95;
            font-weight: 300;
        }

        .features-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-top: 2rem;
            padding: 1.5rem;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            backdrop-filter: blur(10px);
        }

        .feature-item {
            flex: 1;
            min-width: 200px;
            max-width: 300px;
            text-align: center;
        }

        .feature-number {
            display: inline-block;
            width: 50px;
            height: 50px;
            line-height: 50px;
            background: white;
            color: #667eea;
            border-radius: 50%;
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        .feature-title {
            font-size: 1.2rem;
            font-weight: 600;
        }

        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }

        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #667eea;
            text-align: center;
        }

        article {
            background: white;
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            line-height: 1.8;
        }

        article h2 {
            color: #667eea;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }

        article h3 {
            color: #764ba2;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        article h4 {
            color: #555;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
            font-size: 1.2rem;
        }

        article p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }

        .transition-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 2.5rem;
            margin-bottom: 2rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }

        .transition-section p {
            margin-bottom: 1rem;
            line-height: 1.8;
            color: #2c3e50;
        }

        {% if links %}
        .links-section {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }

        .links-section h2 {
            color: #667eea;
            margin-bottom: 1.5rem;
            font-size: 2rem;
            text-align: center;
        }

        .links-section h3 {
            color: #764ba2;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e0e0e0;
            font-size: 1.5rem;
        }

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

        .links-section li {
            padding: 0;
        }

        .links-section a {
            color: #667eea;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 0.4rem 0;
            position: relative;
        }

        .links-section a:before {
            content: '→ ';
            opacity: 0;
            transform: translateX(-10px);
            transition: all 0.3s ease;
        }

        .links-section a:hover {
            color: #764ba2;
            transform: translateX(5px);
        }

        .links-section a:hover:before {
            opacity: 1;
            transform: translateX(0);
        }
        {% endif %}

        footer {
            background: #2c3e50;
            color: white;
            padding: 2rem 1rem;
            margin-top: 3rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 2rem;
        }

        .footer-section {
            flex: 1;
            min-width: 250px;
            text-align: center;
        }

        .footer-section a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
            padding: 0.5rem;
        }

        .footer-section a:hover {
            color: #667eea;
        }

        @media (max-width: 768px) {
            .site-title {
                font-size: 1.5rem;
            }

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

            .features-bar {
                flex-direction: column;
                gap: 1rem;
            }

            .feature-item {
                max-width: 100%;
            }

            h1 {
                font-size: 1.8rem;
            }

            article {
                padding: 1.5rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .transition-section {
                padding: 1.5rem;
            }

            {% if links %}
            .links-section {
                padding: 1.5rem;
            }

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

            .footer-content {
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .feature-number {
                width: 40px;
                height: 40px;
                line-height: 40px;
                font-size: 1.2rem;
            }

            .feature-title {
                font-size: 1rem;
            }

            h1 {
                font-size: 1.5rem;
            }

            article h2 {
                font-size: 1.3rem;
            }
        }