:root {
            --primary-color: #1A202C;
            --secondary-color: #E53E3E;
            --accent-color: #38B2AC;
            --text-color: #2D3748;
            --bg-color: #F7FAFC;
            --card-bg: #FFFFFF;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }
        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            line-height: 1.8;
            padding-bottom: 80px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2D3748 100%);
            color: white;
            padding: 25px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            color: var(--accent-color);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }
        nav {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .nav-links {
            display: flex;
            justify-content: center;
            list-style: none;
            gap: 30px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent-color);
            background-color: rgba(255,255,255,0.1);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 2rem;
            color: white;
            text-align: right;
        }
        main {
            max-width: 1300px;
            margin: 40px auto;
            padding: 0 20px;
        }
        section {
            margin-bottom: 50px;
            background: var(--card-bg);
            padding: 35px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            border-top: 4px solid var(--secondary-color);
        }
        h1 {
            color: var(--primary-color);
            font-size: 3rem;
            margin-bottom: 30px;
            text-align: center;
            font-weight: 800;
            letter-spacing: 1px;
            position: relative;
            padding-bottom: 15px;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
            border-radius: 2px;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2.2rem;
            margin: 35px 0 20px;
            font-weight: 700;
            position: relative;
            padding-left: 20px;
        }
        h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 100%;
            background-color: var(--secondary-color);
            border-radius: 3px;
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.6rem;
            margin: 25px 0 15px;
            font-weight: 600;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
            color: #4A5568;
        }
        strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .btn {
            display: inline-block;
            padding: 14px 28px;
            background: linear-gradient(135deg, var(--primary-color), #2C5282);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            margin: 15px 10px;
            transition: all 0.3s ease;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            border: none;
            cursor: pointer;
            font-size: 1.05rem;
        }
        .btn:hover {
            background: linear-gradient(135deg, var(--secondary-color), #C53030);
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(0,0,0,0.2);
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            transition: transform 0.3s ease;
        }
        .image-container:hover img {
            transform: scale(1.02);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        th {
            background: linear-gradient(135deg, var(--primary-color), #2C5282);
            color: white;
            padding: 18px;
            text-align: left;
            font-weight: 600;
            font-size: 1.05rem;
        }
        td {
            padding: 16px 18px;
            border-bottom: 1px solid #E2E8F0;
            color: #4A5568;
        }
        tr:nth-child(even) {
            background-color: #F7FAFC;
        }
        tr:hover {
            background-color: #EDF2F7;
            transition: background-color 0.2s ease;
        }
        ul {
            margin-left: 40px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
            color: #4A5568;
            font-size: 1.05rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #FFF5F5, #FEE5E5);
            border-left: 4px solid var(--secondary-color);
            padding: 20px 25px;
            margin: 25px 0;
            border-radius: 8px;
        }
        .highlight-box h3 {
            color: var(--secondary-color);
            margin-top: 0;
        }
        .tag {
            display: inline-block;
            background-color: #E2E8F0;
            color: var(--primary-color);
            padding: 8px 16px;
            border-radius: 25px;
            margin: 8px 6px;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s ease;
            font-weight: 600;
        }
        .tag:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .tag.category {
            background-color: #E53E3E;
            color: white;
        }
        .tag.category:hover {
            background-color: #C53030;
        }
        .tag.theme {
            background-color: #38B2AC;
            color: white;
        }
        .tag.theme:hover {
            background-color: #319795;
        }
        .tag.feature {
            background-color: #4299E1;
            color: white;
        }
        .tag.feature:hover {
            background-color: #3182CE;
        }
        footer {
            background: linear-gradient(135deg, var(--primary-color) 0%, #1A202C 100%);
            color: white;
            padding: 50px 0 20px;
            margin-top: 80px;
        }
        .footer-content {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-content h3 {
            color: var(--accent-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(255,255,255,0.1);
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #E2E8F0;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 1rem;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding: 25px 0;
            margin-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #A0AEC0;
        }
        .recommendation {
            background: linear-gradient(135deg, #EBF8FF, #E0F2FE);
            border-left: 5px solid #4299E1;
            padding: 25px;
            border-radius: 8px;
            margin: 40px 0;
        }
        .recommendation h3 {
            color: #2D3748;
            margin-top: 0;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                text-align: center;
                padding: 20px 0;
                gap: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            section {
                padding: 25px;
            }
            .btn {
                display: block;
                text-align: center;
                margin: 10px 0;
            }
        }
        @media (max-width: 480px) {
            .logo {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            section {
                padding: 20px;
            }
            .footer-content {
                gap: 25px;
            }
        }