* {
            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;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            color: #1a365d;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 4px solid #e63946;
            padding-bottom: 0.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2d3748;
            margin-top: 3rem;
            padding-left: 1rem;
            border-left: 5px solid #4a90e2;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a5568;
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a365d 0%, #2d4a7a 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 {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a {
            color: #ffd166;
            text-decoration: none;
            transition: color 0.3s;
        }
        .logo a:hover {
            color: #f4a261;
        }
        .logo .domain {
            font-size: 0.9rem;
            color: #a8dadc;
            display: block;
            margin-top: 5px;
            letter-spacing: 0.5px;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #f1faee;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 16px;
            border-radius: 5px;
            transition: all 0.3s;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: #4a5568;
            text-decoration: none;
            transition: color 0.3s;
        }
        .breadcrumb a:hover {
            color: #e63946;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px 10px;
        }
        main {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
            padding: 2.5rem;
            margin: 2rem auto;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #718096;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e2e8f0;
            flex-wrap: wrap;
        }
        .article-stats span {
            margin-right: 1.5rem;
        }
        .article-stats i {
            color: #e63946;
            margin-right: 5px;
        }
        .featured-image {
            width: 100%;
            height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid #4a90e2;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .key-point {
            background-color: #fffbeb;
            border: 1px solid #fef3c7;
            padding: 1.2rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .key-point h4 {
            color: #92400e;
            margin-bottom: 0.5rem;
        }
        .tip {
            background-color: #f0f9ff;
            border-left: 4px solid #0ea5e9;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
        }
        .interactive-section {
            background-color: #f7fafc;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #e2e8f0;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 2.5rem;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            color: #2d3748;
            margin-bottom: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4a90e2;
            box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
        }
        button {
            background-color: #e63946;
            color: white;
            border: none;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        button:hover {
            background-color: #d62839;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(230, 57, 70, 0.3);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .web-link {
            background-color: #f1f5f9;
            padding: 1.2rem;
            border-radius: 8px;
            transition: all 0.3s;
            border-left: 4px solid #3b82f6;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            background-color: #e2e8f0;
        }
        .web-link a {
            color: #1e40af;
            text-decoration: none;
            font-weight: 600;
            display: block;
            font-size: 1.1rem;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background-color: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0;
            margin-top: 4rem;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            width: 100%;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-content {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 1.5rem;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger {
                display: block;
            }
            .featured-image {
                height: 350px;
            }
            .footer-content {
                flex-direction: column;
            }
        }
        @media (max-width: 768px) {
            main {
                padding: 1.5rem;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .featured-image {
                height: 250px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-section {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            header, nav, .interactive-section, footer, .breadcrumb {
                display: none;
            }
            body {
                background-color: white;
                color: black;
            }
            main {
                box-shadow: none;
                padding: 0;
            }
        }