* {
            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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            border-radius: 10px;
            overflow: hidden;
        }

        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: #fff;
            padding: 40px 30px;
            text-align: center;
            border-bottom: 5px solid #667eea;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }

        article {
            padding: 40px 30px;
            background: #fff;
        }

        article h2 {
            color: #2a5298;
            font-size: 2rem;
            margin: 30px 0 20px 0;
            padding-bottom: 10px;
            border-bottom: 3px solid #667eea;
        }

        article h3 {
            color: #1e3c72;
            font-size: 1.5rem;
            margin: 25px 0 15px 0;
        }

        article p {
            margin-bottom: 15px;
            text-align: justify;
            color: #555;
            font-size: 1.05rem;
        }

        article ul {
            margin: 15px 0 15px 30px;
        }

        article li {
            margin-bottom: 8px;
            color: #555;
        }

        article table {
            width: 100%;
            margin: 20px 0;
            border-collapse: collapse;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        article table td,
        article table th {
            padding: 12px;
            border: 1px solid #ddd;
        }

        article table tr:first-child td {
            background: #2a5298;
            color: #fff;
            font-weight: bold;
        }

        article img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 20px auto;
            border-radius: 5px;
        }

        article a {
            color: #667eea;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        article a:hover {
            color: #2a5298;
            text-decoration: underline;
        }

        article i,
        article em {
            font-style: italic;
        }

        article b,
        article strong {
            font-weight: bold;
            color: #2a5298;
        }

        article hr {
            border: none;
            border-top: 2px solid #e0e0e0;
            margin: 30px 0;
        }

        .transition-section {
            padding: 30px;
            background: #f8f9fa;
            border-top: 3px solid #667eea;
        }

        .transition-section p {
            color: #555;
            font-size: 1.05rem;
            margin-bottom: 15px;
            text-align: justify;
        }

        .links-section {
            padding: 40px 30px;
            background: #f0f2f5;
            border-top: 3px solid #667eea;
        }

        .links-section h3 {
            color: #2a5298;
            font-size: 1.6rem;
            margin: 30px 0 20px 0;
            padding-left: 10px;
            border-left: 5px solid #667eea;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 30px;
            margin-bottom: 30px;
        }

        .links-section li {
            padding: 8px 0;
        }

        .links-section a {
            color: #667eea;
            text-decoration: none;
            font-size: 1.05rem;
            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: #2a5298;
            transform: translateX(5px);
        }

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

        footer {
            background: #1e3c72;
            color: #fff;
            padding: 20px 30px;
            text-align: center;
        }

        .back-to-top {
            display: inline-block;
            padding: 10px 20px;
            background: #667eea;
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
            transition: background 0.3s ease;
        }

        .back-to-top:hover {
            background: #2a5298;
        }

        @media (max-width: 768px) {
            body {
                padding: 10px;
            }

            h1 {
                font-size: 1.8rem;
            }

            header {
                padding: 30px 20px;
            }

            article {
                padding: 30px 20px;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 5px;
            }

            .transition-section {
                padding: 20px;
            }

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

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

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }

            article h2 {
                font-size: 1.4rem;
            }

            article p,
            .transition-section p,
            .links-section a {
                font-size: 1rem;
            }

            article table {
                font-size: 0.9rem;
            }

            article table td,
            article table th {
                padding: 8px;
            }
        }

        .smalltext {
            font-size: 0.9rem;
            color: #777;
        }

        .blacktext {
            color: #333;
            font-weight: bold;
        }

        .bullet-list img {
            display: inline;
            margin: 0 5px 0 0;
            vertical-align: middle;
        }