* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: var(--dark);
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary) 0%, #2b6cb0 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-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(to right, var(--accent), #fc8181);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .search-box {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            padding: 5px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .search-box input {
            border: none;
            padding: 12px 20px;
            width: 300px;
            outline: none;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--secondary);
            border: none;
            color: white;
            padding: 12px 25px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #c53030;
        }
        nav {
            margin-top: 1.5rem;
            position: relative;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #edf2f7;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child):after {
            content: '›';
            margin-left: 10px;
            color: var(--gray);
        }
        main {
            padding: 3rem 0;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            border-left: 5px solid var(--secondary);
            padding-left: 20px;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .article-meta i {
            margin-right: 5px;
        }
        h2, h3 {
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #e2e8f0;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #fed7d7 0%, #fed7d7 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid var(--secondary);
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.01);
        }
        .image-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: #c53030;
            border-bottom-style: solid;
        }
        .group-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-radius: 10px;
            overflow: hidden;
        }
        .group-table th {
            background: var(--primary);
            color: white;
            padding: 1.2rem;
            text-align: left;
        }
        .group-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .group-table tr:nth-child(even) {
            background: #f8f9fa;
        }
        .group-table tr:hover {
            background: #edf2f7;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-title {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
        }
        .related-links a {
            display: block;
            padding: 12px 0;
            color: var(--dark);
            text-decoration: none;
            border-bottom: 1px solid #e2e8f0;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--secondary);
            padding-left: 10px;
        }
        .related-links a:last-child {
            border-bottom: none;
        }
        .user-interaction {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid #e2e8f0;
        }
        .rating-section, .comment-section {
            background: #f8f9fa;
            padding: 1.8rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .rating-title, .comment-title {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 1.5rem;
        }
        .star {
            color: var(--gray);
            font-size: 1.8rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
        }
        .interaction-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .interaction-form input,
        .interaction-form textarea {
            padding: 15px;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .interaction-form input:focus,
        .interaction-form textarea:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
        }
        .interaction-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background: #c53030;
            transform: translateY(-2px);
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
        }
        .footer-logo span {
            background: linear-gradient(to right, var(--accent), #fc8181);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .footer-links h3, friend-link h3 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--accent);
        }
        .footer-links ul, friend-link ul {
            list-style: none;
        }
        .footer-links a, friend-link a {
            color: #cbd5e0;
            text-decoration: none;
            display: block;
            padding: 8px 0;
            transition: var(--transition);
        }
        .footer-links a:hover, friend-link a:hover {
            color: white;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .search-box input {
                width: 250px;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 1.5rem;
                align-items: stretch;
            }
            .search-box input {
                width: 100%;
            }
            .hamburger {
                display: block;
                align-self: flex-end;
                margin-top: -50px;
            }
            .nav-links {
                flex-direction: column;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .nav-links.active {
                max-height: 500px;
                margin-top: 1.5rem;
            }
            .nav-links li {
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .nav-links a {
                display: block;
                padding: 15px 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            article {
                padding: 1.8rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }