* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(to bottom right, #f0f4ff, #eef2f7);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #ff5252;
        }
        .logo span {
            background: linear-gradient(to right, #ffeb3b, #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: #ffeb3b;
            border-bottom-color: #ffeb3b;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: #1a237e;
            flex-direction: column;
            padding: 1rem 0;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #e3f2fd;
            text-decoration: none;
            padding: 1rem 2rem;
            border-bottom: 1px solid #283593;
            font-weight: 600;
        }
        .nav-mobile a:hover {
            background-color: #283593;
            color: #ffeb3b;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: #3949ab;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #757575;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        .article-header {
            text-align: center;
            padding-bottom: 2rem;
            border-bottom: 3px solid #e8eaf6;
            margin-bottom: 3rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-header .meta {
            color: #666;
            font-style: italic;
            font-size: 1rem;
        }
        .content {
            padding: 0 2.5rem;
        }
        @media (max-width: 768px) {
            .content {
                padding: 0 1rem;
            }
        }
        .content h2 {
            font-size: 2rem;
            color: #283593;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #c5cae9;
        }
        .content h3 {
            font-size: 1.6rem;
            color: #3949ab;
            margin: 2rem 0 1rem;
        }
        .content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        .content p.lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #1a237e;
            background-color: #f3f5fd;
            padding: 1.5rem;
            border-left: 5px solid #ff9800;
            border-radius: 0 8px 8px 0;
        }
        .content b, .content strong {
            color: #1a237e;
            font-weight: 700;
        }
        .content em {
            color: #d81b60;
            font-style: italic;
        }
        .content blockquote {
            border-left: 4px solid #ff9800;
            background-color: #fff8e1;
            padding: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #5d4037;
            border-radius: 0 8px 8px 0;
        }
        .content ul, .content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .content li {
            margin-bottom: 0.5rem;
        }
        .hero-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .hero-image figure {
            display: inline-block;
            max-width: 800px;
            border: 8px solid #e8eaf6;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: transform 0.4s ease;
        }
        .hero-image figure:hover {
            transform: scale(1.01);
        }
        .hero-image figcaption {
            padding: 1rem;
            background-color: #f5f5f5;
            color: #666;
            font-size: 0.95rem;
        }
        .interactive-module {
            background: linear-gradient(145deg, #f0f4ff, #e3f2fd);
            border: 2px solid #bbdefb;
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: 0 8px 20px rgba(33, 150, 243, 0.1);
        }
        .module-title {
            color: #0d47a1;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.8rem;
        }
        .module-title i {
            color: #ff9800;
        }
        .search-box, .comment-form, .rating-form {
            display: grid;
            gap: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #1a237e;
        }
        .form-control {
            padding: 0.9rem 1.2rem;
            border: 2px solid #90caf9;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: #2196f3;
            box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .btn {
            background: linear-gradient(to right, #2196f3, #0d47a1);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            max-width: 250px;
        }
        .btn:hover {
            background: linear-gradient(to right, #0d47a1, #1565c0);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(13, 71, 161, 0.3);
        }
        .internal-link {
            color: #1a237e;
            background-color: #e8eaf6;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            text-decoration: none;
            border-bottom: 2px solid transparent;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .internal-link:hover {
            background-color: #1a237e;
            color: white;
            border-bottom-color: #ffeb3b;
        }
        .footer-links {
            background-color: #e8eaf6;
            padding: 2.5rem 0;
            margin-bottom: 2rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.2rem;
        }
        .web-link {
            background-color: white;
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #3949ab;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        }
        .web-link a {
            color: #1a237e;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link i {
            color: #ff9800;
        }
        .site-footer {
            background-color: #1a237e;
            color: #e3f2fd;
            padding: 2.5rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .copyright {
            font-size: 0.95rem;
            color: #90caf9;
        }
        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }
        .footer-nav a {
            color: #bbdefb;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-nav a:hover {
            color: #ffeb3b;
        }
        .text-center { text-align: center; }
        .mt-3 { margin-top: 3rem; }
        .mb-3 { margin-bottom: 3rem; }
        .emoji { font-size: 1.3em; }
        @media (max-width: 992px) {
            .article-header h1 { font-size: 2.3rem; }
            .content h2 { font-size: 1.8rem; }
            .content h3 { font-size: 1.5rem; }
            .content { padding: 0 1.5rem; }
        }
        @media (max-width: 576px) {
            .article-header h1 { font-size: 1.9rem; }
            .content h2 { font-size: 1.6rem; }
            .logo a { font-size: 1.7rem; }
            .interactive-module { padding: 1.8rem; }
            .btn { width: 100%; max-width: none; }
            .web-links-grid { grid-template-columns: 1fr; }
        }