* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #38a169;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-3px);
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .search-box {
            display: flex;
            flex: 0 1 400px;
        }
        .search-box input {
            width: 100%;
            padding: 12px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
        nav {
            background: var(--dark);
            padding: 0;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 18px 22px;
            color: white;
            font-weight: 500;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }
        .nav-links a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 15px 0;
            background: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--dark);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e2e8f0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .rating-widget {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stars {
            color: #fbbf24;
        }
        h2, h3 {
            color: var(--dark);
            margin: 35px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        h2 {
            font-size: 1.8rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: #fff8e1;
            border-left: 5px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 30px 0;
            text-align: center;
        }
        .img-container figcaption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
        }
        .group-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
        }
        .group-table th, .group-table td {
            border: 1px solid #ddd;
            padding: 12px 15px;
            text-align: left;
        }
        .group-table th {
            background: var(--primary);
            color: white;
            font-weight: 600;
        }
        .group-table tr:nth-child(even) {
            background: #f9f9f9;
        }
        .group-table tr:hover {
            background: #e8f4fd;
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h4 {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #e2e8f0;
        }
        .link-list a {
            display: flex;
            align-items: center;
        }
        .link-list i {
            margin-right: 10px;
            color: var(--accent);
        }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            display: block;
        }
        friend-link {
            display: block;
            margin-bottom: 30px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links a {
            background: rgba(255,255,255,0.1);
            padding: 8px 16px;
            border-radius: 4px;
            color: #cbd5e0;
        }
        .friend-links a:hover {
            background: var(--secondary);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #cbd5e0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                flex: 1 0 100%;
                margin-top: 15px;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark);
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255,255,255,0.05);
            }
            h1 {
                font-size: 2.2rem;
            }
            article {
                padding: 25px;
            }
        }