* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --text-color: #1f2937;
            --light-bg: #f3f4f6;
            --dark-bg: #111827;
            --border-color: #d1d5db;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            font-family: var(--font-main);
            line-height: 1.8;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            margin-top: 1.5rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2.5rem;
            padding-left: 0.5rem;
            border-left: 4px solid var(--secondary-color);
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: var(--dark-bg);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--secondary-color);
        }
        strong {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-bg);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a {
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover {
            background-color: var(--primary-color);
            color: var(--accent-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--primary-color);
        }
        .search-container {
            background: linear-gradient(135deg, var(--primary-color), #1e40af);
            padding: 2.5rem 0;
            margin-bottom: 2.5rem;
            border-radius: 10px;
            text-align: center;
            color: white;
        }
        .search-box {
            max-width: 600px;
            margin: 1.5rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .search-box input {
            flex-grow: 1;
            padding: 1.2rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
        }
        .search-box button:hover {
            background-color: #e69c0a;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        @media (min-width: 992px) {
            .content-grid {
                grid-template-columns: 2fr 1fr;
            }
        }
        .main-content {
            line-height: 1.8;
        }
        .sidebar {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.3rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .comments-section, .ratings-section {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 3rem;
            border: 1px solid var(--border-color);
        }
        .comment-form, .rating-form {
            margin-top: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .star {
            color: #d1d5db;
            font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
            display: inline-block;
        }
        .submit-btn:hover {
            background-color: #1e40af;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 1px solid var(--border-color);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #6b7280;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .callout {
            background-color: #eff6ff;
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 5px 5px 0;
        }
        .callout.warning {
            background-color: #fef3c7;
            border-left-color: var(--accent-color);
        }
        .callout.success {
            background-color: #d1fae5;
            border-left-color: #10b981;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background-color: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--primary-color);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: var(--light-bg);
        }
        .footer-links {
            background-color: var(--dark-bg);
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .web-link {
            background-color: #1f2937;
            padding: 1.2rem;
            margin-bottom: 1rem;
            border-radius: 5px;
            border-left: 3px solid var(--accent-color);
            transition: transform 0.3s ease, background-color 0.3s ease;
        }
        .web-link:hover {
            transform: translateX(5px);
            background-color: #374151;
        }
        .web-link a {
            color: white;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent-color);
        }
        footer {
            background-color: #0f172a;
            color: white;
            padding: 3rem 0;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                padding: 1rem;
                box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-box input,
            .search-box button {
                width: 100%;
                border-radius: 0;
                padding: 1rem;
            }
            .search-box button {
                border-radius: 0 0 10px 10px;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .sidebar {
                margin-top: 2rem;
            }
            .web-link {
                padding: 1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .pulse {
            display: inline-block;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .highlight {
            background-color: rgba(245, 158, 11, 0.1);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px dashed var(--accent-color);
        }
        .download-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--secondary-color), #b91c1c);
            color: white;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            margin: 1rem 0;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 5px 15px rgba(220, 38, 38, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(220, 38, 38, 0.4);
            color: white;
        }