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

        body {
            font-family: 'Georgia', 'Times New Roman', serif;
            background: #ffffff url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAC5JREFUeNpi+P//PwMewAKxYYpQFTIw/v8PAkxAHBtbW8vw//9/BkYGBgYACDAALSAD/dXXB+sAAAAASUVORK5CYII=') repeat;
            color: #333;
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1000px;
            margin: 10px auto;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        header {
            background: linear-gradient(to bottom, #f8f8f8 0%, #e8e8e8 100%);
            padding: 20px 30px;
            border-bottom: 3px solid #d0d0d0;
        }

        header h1 {
            font-size: 2.2em;
            color: #2c3e50;
            font-weight: normal;
            margin: 0;
            line-height: 1.3;
        }

        header h1 span.small {
            font-size: 0.5em;
            font-style: italic;
            color: #666;
        }

        header h1 span.author {
            font-size: 0.6em;
            color: #555;
        }

        .hero-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 60px 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABhJREFUeNpiYGBg+M/AwMDAxAABQIABAAWIAgErLlf+AAAAAElFTkSuQmCC') repeat;
            opacity: 0.1;
        }

        .hero-section h2 {
            font-size: 2em;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
            font-weight: normal;
        }

        .hero-section p {
            font-size: 1.1em;
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        main {
            padding: 40px 30px;
        }

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

        article h2 {
            font-size: 1.8em;
            color: #2c3e50;
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #667eea;
        }

        article h3 {
            font-size: 1.4em;
            color: #34495e;
            margin: 25px 0 15px;
        }

        article h4 {
            font-size: 1.2em;
            color: #555;
            margin: 20px 0 10px;
        }

        article p {
            margin-bottom: 15px;
            font-size: 1.05em;
            text-align: justify;
        }

        .transition-section {
            max-width: 900px;
            margin: 40px auto;
            padding: 30px;
            background: #f9f9f9;
            border-left: 4px solid #667eea;
            border-radius: 4px;
        }

        .transition-section p {
            font-size: 1.05em;
            margin-bottom: 15px;
            line-height: 1.7;
        }

        .links-section {
            max-width: 900px;
            margin: 40px auto;
            padding: 40px 30px;
            background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .links-section h3 {
            font-size: 1.6em;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #667eea;
        }

        .links-section ul {
            list-style: none;
            columns: 2;
            column-gap: 30px;
            margin-bottom: 30px;
        }

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

        .links-section a {
            color: #667eea;
            text-decoration: none;
            font-size: 1.05em;
            transition: all 0.3s ease;
            display: inline-block;
            position: relative;
            padding-left: 20px;
        }

        .links-section a::before {
            content: '→';
            position: absolute;
            left: 0;
            transition: transform 0.3s ease;
        }

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

        .links-section a:hover::before {
            transform: translateX(5px);
        }

        footer {
            background: linear-gradient(to bottom, #2c3e50 0%, #34495e 100%);
            color: white;
            padding: 30px;
            text-align: center;
            border-top: 3px solid #667eea;
        }

        footer p {
            margin: 5px 0;
            font-size: 0.95em;
        }

        @media (max-width: 768px) {
            .container {
                margin: 0;
                box-shadow: none;
            }

            header {
                padding: 15px 20px;
            }

            header h1 {
                font-size: 1.5em;
            }

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

            .hero-section h2 {
                font-size: 1.5em;
            }

            .hero-section p {
                font-size: 1em;
            }

            main {
                padding: 20px 15px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.3em;
            }

            article p {
                text-align: left;
                font-size: 1em;
            }

            .transition-section {
                padding: 20px;
                margin: 30px auto;
            }

            .links-section {
                padding: 25px 20px;
                margin: 30px auto;
            }

            .links-section ul {
                columns: 1;
            }

            .links-section h3 {
                font-size: 1.4em;
            }

            footer {
                padding: 20px 15px;
            }
        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 1.2em;
            }

            .hero-section h2 {
                font-size: 1.3em;
            }

            article h2 {
                font-size: 1.3em;
            }

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