:root {
            --primary-color: #2a5c8a;
            --secondary-color: #d4af37;
            --accent-color: #9b2c2c;
            --dark-bg: #0f1c2e;
            --light-bg: #f5f7fa;
            --text-color: #333;
            --text-light: #666;
            --white: #fff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--light-bg);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a2b44 100%);
            color: var(--white);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary-color);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--white);
        }
        .logo:hover {
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--white);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            color: var(--secondary-color);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: var(--transition);
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--white);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(255,255,255,0.05);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: var(--secondary-color);
        }
        .breadcrumb span {
            color: #aaa;
            margin: 0 8px;
        }
        main {
            padding: 2.5rem 0;
        }
        article {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        h3 {
            color: var(--accent-color);
            font-size: 1.4rem;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--text-light);
            font-weight: 500;
            background: #f8f9fa;
            padding: 1.2rem;
            border-left: 4px solid var(--secondary-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, #fffbeb 0%, #fef3c7 100%);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid #fcd34d;
            margin: 1.5rem 0;
        }
        .highlight strong {
            color: #b45309;
        }
        .tip {
            background-color: #e0f2fe;
            border-left: 4px solid #0284c7;
            padding: 1rem 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip i {
            color: #0284c7;
            margin-right: 0.5rem;
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .card {
            background: var(--white);
            border: 1px solid #e5e7eb;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            transition: var(--transition);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
            border-color: var(--primary-color);
        }
        .card h3 {
            color: var(--primary-color);
            margin-top: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            display: block;
            margin: 1.5rem auto;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -0.8rem;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }
        .cta-button {
            display: inline-block;
            background: linear-gradient(to right, var(--primary-color), #3a7bb8);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin: 1rem 0;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(42, 92, 138, 0.3);
        }
        .cta-button:hover {
            background: linear-gradient(to right, #1e4a75, var(--primary-color));
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(42, 92, 138, 0.4);
            color: white;
        }
        .form-container {
            background: #f8fafc;
            padding: 2rem;
            border-radius: var(--border-radius);
            border: 1px solid #e2e8f0;
            margin: 2.5rem 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(42, 92, 138, 0.2);
        }
        .rating {
            direction: rtl;
            unicode-bidi: bidi-override;
            margin: 0.5rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            display: inline-block;
            margin: 0 2px;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: #ffc107;
        }
        .internal-links {
            background: var(--dark-bg);
            padding: 2.5rem 0;
            margin-top: 2rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #ccc;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background: #0a1422;
            color: #aaa;
            padding: 2.5rem 0 1.5rem;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            font-size: 0.9rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark-bg);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            article {
                padding: 1.5rem;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .form-container {
                padding: 1.5rem;
            }
        }