* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #C8102E;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #8C0000;
            text-decoration: underline;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #C8102E, #8C0000);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(200, 16, 46, 0.2);
        }
        .btn:hover {
            background: linear-gradient(135deg, #8C0000, #5a0000);
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(200, 16, 46, 0.3);
            text-decoration: none;
        }
        header {
            background: #111;
            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 a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #C8102E;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #ddd;
            font-weight: 500;
        }
        .desktop-nav a:hover {
            color: white;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #222;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 0 20px;
        }
        .mobile-nav li {
            margin: 0.8rem 0;
        }
        .mobile-nav a {
            color: #ddd;
            display: block;
            padding: 0.5rem;
            border-left: 3px solid transparent;
        }
        .mobile-nav a:hover {
            color: white;
            border-left-color: #C8102E;
            background: rgba(255,255,255,0.05);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: #666;
        }
        .breadcrumb a:hover {
            color: #C8102E;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        h1 {
            color: #111;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #C8102E;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #222;
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            color: #333;
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #444;
            background: #f8f9fa;
            padding: 1.5rem;
            border-left: 4px solid #C8102E;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecec 0%, #ffecec 100%);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 5px solid #C8102E;
        }
        .feature-img {
            margin: 2.5rem auto;
            text-align: center;
        }
        .feature-img img {
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }
        .caption {
            font-size: 0.9rem;
            color: #666;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .interactive-module {
            background: #f1f8ff;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #d1e3ff;
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #0052a5;
            margin-bottom: 1.5rem;
        }
        form {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #C8102E;
            box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
        }
        .rating {
            display: flex;
            gap: 5px;
            direction: rtl;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffc107;
        }
        .longtail-links {
            background: #222;
            padding: 2.5rem 0;
            color: #ddd;
        }
        .web-link {
            display: inline-block;
            margin: 0.5rem 1rem 0.5rem 0;
        }
        .web-link a {
            color: #aaa;
            padding: 0.4rem 0.8rem;
            background: #333;
            border-radius: 4px;
            font-size: 0.9rem;
        }
        .web-link a:hover {
            background: #444;
            color: white;
        }
        footer {
            background: #111;
            color: #aaa;
            padding: 2.5rem 0;
            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 #333;
            padding-top: 1.5rem;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .header-container { padding: 0 15px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            article { padding: 1.5rem; }
            form { grid-template-columns: 1fr; }
            .interactive-module { padding: 1.5rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            h1 { font-size: 1.8rem; }
            .lead { font-size: 1.1rem; padding: 1rem; }
        }