* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a237e;
            --secondary: #ff5722;
            --accent: #4caf50;
            --light: #f5f5f5;
            --dark: #212121;
            --text: #333333;
            --text-light: #666666;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
            min-height: 100vh;
        }
        h1, h2, h3, h4 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            border-left: 6px solid var(--secondary);
            padding-left: 1.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            color: var(--dark);
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.125rem;
            color: var(--text);
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 2rem;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 2rem;
        }
        header {
            background: linear-gradient(135deg, var(--primary) 0%, #283593 100%);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0;
        }
        .logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--secondary);
            transform: translateY(-2px);
        }
        .logo i {
            color: var(--secondary);
        }
        .breadcrumb {
            background: rgba(255,255,255,0.1);
            padding: 1rem 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.75rem;
        }
        .breadcrumb a {
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.75rem;
            color: rgba(255,255,255,0.6);
        }
        nav {
            display: flex;
            gap: 2.5rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.75rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: var(--transition);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .feature-box {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(0,0,0,0.05);
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        .feature-box h3 {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: var(--primary);
        }
        .feature-box h3 i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        form {
            margin-top: 2rem;
        }
        .form-group {
            margin-bottom: 1.8rem;
        }
        label {
            display: block;
            margin-bottom: 0.75rem;
            font-weight: 600;
            color: var(--dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem 1.2rem;
            border: 2px solid #e0e0e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
            font-family: inherit;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 2.5rem;
            background: linear-gradient(135deg, var(--primary) 0%, #283593 100%);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            justify-content: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, var(--secondary) 0%, #ff7043 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 87, 34, 0.3);
        }
        .btn-secondary {
            background: linear-gradient(135deg, var(--accent) 0%, #66bb6a 100%);
        }
        .rating-system {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2.2rem;
            color: #ffd700;
            cursor: pointer;
        }
        .star {
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255, 87, 34, 0.1) 0%, rgba(76, 175, 80, 0.1) 100%);
            border-left: 6px solid var(--secondary);
            padding: 2.5rem;
            margin: 2.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .stat-card {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 5px solid var(--primary);
        }
        .stat-card:hover {
            transform: translateY(-8px);
            border-top-color: var(--secondary);
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 600;
        }
        .article-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .footer-links {
            background: var(--light);
            padding: 4rem 0 3rem;
            margin-top: 5rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        .web-link {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
            border-left: 4px solid var(--primary);
        }
        .web-link:hover {
            transform: translateX(10px);
            border-left-color: var(--secondary);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        .web-link a i {
            color: var(--accent);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.8);
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .container {
                padding: 0 1.5rem;
            }
            .nav-links {
                gap: 1.5rem;
            }
            .feature-box {
                padding: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                position: fixed;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary);
                flex-direction: column;
                padding: 2rem;
                transform: translateY(-100%);
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0,0,0,0.2);
                z-index: 999;
            }
            nav.active {
                transform: translateY(0);
            }
            .nav-links {
                flex-direction: column;
                gap: 1.5rem;
                width: 100%;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .header-content {
                padding: 1rem 0;
            }
            .logo {
                font-size: 2rem;
            }
            h1 {
                padding-left: 1rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 1.8rem;
                margin-top: 1.5rem;
            }
            h2 {
                font-size: 1.5rem;
                margin-top: 2rem;
            }
            .feature-box {
                padding: 1.5rem;
                margin: 2rem 0;
            }
            .btn {
                width: 100%;
                padding: 0.875rem 1.5rem;
            }
            .stat-number {
                font-size: 2.8rem;
            }
        }
        @media print {
            .feature-box,
            .web-link,
            .stats-grid,
            .rating-system,
            form {
                break-inside: avoid;
                page-break-inside: avoid;
            }
            .btn,
            .hamburger,
            nav,
            .footer-links {
                display: none;
            }
        }