* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2a4c7d;
            --secondary: #c99d6b;
            --accent: #8b4513;
            --light: #f8f5f0;
            --dark: #1a1a1a;
            --gray: #6c757d;
            --success: #28a745;
            --danger: #dc3545;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: white;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e9ecef;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-container {
            flex: 1;
            display: flex;
            flex-direction: column;
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 2rem;
            gap: 2rem;
        }
        .search-section {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1rem auto 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--primary);
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--accent);
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            color: var(--gray);
            font-style: italic;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            color: var(--accent);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary);
        }
        h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--dark);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary);
            background-color: #f0f4f8;
            padding: 1.5rem;
            border-left: 5px solid var(--secondary);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        strong {
            color: var(--accent);
        }
        em {
            color: var(--gray);
        }
        .highlight-box {
            background: linear-gradient(to right, #fff8e1, #ffecb3);
            border-left: 5px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 2rem auto;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: var(--shadow);
            border: 5px solid white;
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .link-list {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-list a {
            color: var(--primary);
            text-decoration: none;
            display: block;
            padding: 0.7rem;
            border-radius: 5px;
            transition: var(--transition);
            border-left: 3px solid transparent;
        }
        .link-list a:hover {
            background-color: white;
            border-left-color: var(--secondary);
            padding-left: 1rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-box, .rating-box {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        form label {
            display: block;
            margin: 1rem 0 0.5rem;
            font-weight: 600;
        }
        form input, form textarea, form select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        form input:focus, form textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 76, 125, 0.2);
        }
        form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            margin-top: 1rem;
            transition: var(--transition);
        }
        form button:hover {
            background-color: var(--accent);
        }
        .site-footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: var(--secondary);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #333;
            padding: 1rem;
            border-radius: 5px;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: var(--secondary) !important;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav ul {
                gap: 1rem;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--primary);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
                border-top: 2px solid var(--secondary);
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .my-logo {
                font-size: 1.8rem;
            }
            .breadcrumb, .site-header, .main-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 5px;
                margin-bottom: 0.5rem;
            }
        }