* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #5DADE2; 
            --secondary: #F7DC6F; 
            --accent: #58D68D; 
            --dark: #2C3E50;
            --light: #F8F9F9;
            --gray: #95A5A6;
            --text: #2C3E50;
            --shadow: rgba(44, 62, 80, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--light);
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary), #3498DB);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 12px var(--shadow);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(52, 152, 219, 0.3);
            background: linear-gradient(135deg, #3498DB, #2980B9);
        }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            color: var(--dark);
            position: relative;
            padding-bottom: 10px;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 2px;
        }
        header {
            background-color: white;
            box-shadow: 0 4px 12px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: var(--secondary);
            text-shadow: 2px 2px 0px var(--dark);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: width 0.3s;
        }
        .nav-desktop a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: white;
            padding: 20px;
            box-shadow: 0 10px 20px var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
            font-size: 1.2rem;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #f1f8ff;
            padding: 12px 20px;
            font-size: 0.95rem;
            border-bottom: 1px solid #e1e8ed;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #ccc;
        }
        .hero {
            padding: 60px 20px;
            background: linear-gradient(135deg, #e3f2fd, #f1f8ff);
            text-align: center;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--dark);
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.4rem;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        main {
            padding: 40px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: white;
            padding: 25px;
            border-radius: 16px;
            box-shadow: 0 8px 20px var(--shadow);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget h3 i {
            color: var(--primary);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 14px 18px;
            border: 2px solid #e1e8ed;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: linear-gradient(135deg, var(--primary), #3498DB);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 25px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: linear-gradient(135deg, #3498DB, #2980B9);
        }
        .rating-container {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: var(--gray);
            margin-bottom: 15px;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--secondary);
        }
        .rating-form input,
        .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 2px solid #e1e8ed;
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .rating-form input:focus,
        .rating-form textarea:focus {
            border-color: var(--primary);
            outline: none;
        }
        .comments-list {
            max-height: 400px;
            overflow-y: auto;
            padding-right: 10px;
        }
        .comment-item {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .comment-item:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: bold;
            color: var(--dark);
            margin-bottom: 5px;
        }
        .comment-date {
            font-size: 0.85rem;
            color: var(--gray);
        }
        .comment-text {
            margin-top: 8px;
            color: #555;
        }
        .article-content h2 {
            font-size: 2.2rem;
            margin: 3rem 0 1.5rem;
            color: var(--dark);
            padding-left: 15px;
            border-left: 5px solid var(--primary);
        }
        .article-content h3 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--dark);
        }
        .article-content h4 {
            font-size: 1.4rem;
            margin: 2rem 0 0.8rem;
            color: #444;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--dark);
            background-color: rgba(93, 173, 226, 0.1);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .article-content em {
            color: #555;
            font-style: italic;
        }
        .article-content ul,
        .article-content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.8rem;
        }
        .article-content blockquote {
            background-color: #f8f9fa;
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
            font-style: italic;
            color: #555;
        }
        .article-content img {
            border-radius: 12px;
            margin: 2.5rem auto;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            border: 8px solid white;
        }
        .info-box {
            background: linear-gradient(135deg, #e3f2fd, #f1f8ff);
            padding: 25px;
            border-radius: 12px;
            margin: 2rem 0;
            border-left: 5px solid var(--primary);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            font-size: 1.4rem;
            margin-bottom: 25px;
            color: var(--secondary);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h4:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--accent);
        }
        .footer-section ul li {
            margin-bottom: 12px;
        }
        .footer-section ul li a {
            color: #ddd;
            transition: var(--transition);
        }
        .footer-section ul li a:hover {
            color: var(--accent);
            padding-left: 8px;
        }
        .friend-links {
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 10px;
            margin-top: 20px;
        }
        .friend-links h5 {
            color: var(--secondary);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        .friend-links a {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
            color: #bbb;
        }
        .friend-links a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #bbb;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .hero p {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .article-content {
                padding: 25px;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .btn {
                padding: 10px 22px;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }