* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4361ee;
            --primary-dark: #3a56d4;
            --secondary: #7209b7;
            --accent: #f72585;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --gray-light: #e9ecef;
            --success: #4cc9f0;
            --border-radius: 12px;
            --shadow: 0 10px 20px rgba(0,0,0,0.08);
            --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;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 14px 28px;
            background-color: var(--primary);
            color: white;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .btn:hover {
            background-color: var(--primary-dark);
            color: white;
            transform: translateY(-3px);
        }
        .btn-accent {
            background-color: var(--accent);
        }
        .btn-accent:hover {
            background-color: #e11570;
        }
        .site-header {
            background-color: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .search-box {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 30px;
            position: relative;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            width: 100%;
            padding: 14px 20px;
            border: 2px solid var(--gray-light);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-box button {
            padding: 14px 25px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--primary-dark);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            font-weight: 600;
            color: var(--dark);
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--accent);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--gray-light);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb li:last-child a {
            color: var(--dark);
            font-weight: 600;
        }
        .content-area {
            flex: 1;
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: linear-gradient(135deg, #4361ee, #7209b7);
            border-radius: var(--border-radius);
            color: white;
        }
        .article-header h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
            font-size: 1rem;
            opacity: 0.9;
        }
        .article-meta i {
            margin-right: 8px;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .main-article h2 {
            font-size: 2.4rem;
            color: var(--primary-dark);
            margin: 40px 0 20px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--gray-light);
        }
        .main-article h3 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        .main-article h4 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 25px 0 10px;
        }
        .main-article p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .main-article strong {
            color: var(--primary);
        }
        .main-article em {
            color: var(--accent);
        }
        .highlight-box {
            background-color: #f0f8ff;
            border-left: 5px solid var(--success);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .related-links {
            background-color: var(--gray-light);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .related-links h4 {
            margin-top: 0;
        }
        .related-links ul {
            list-style-position: inside;
            padding-left: 10px;
        }
        .related-links li {
            margin-bottom: 10px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--gray-light);
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffd700;
            margin: 10px 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .comment-widget input,
        .comment-widget textarea {
            padding: 12px 15px;
            border: 1px solid var(--gray-light);
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-widget input:focus,
        .comment-widget textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .comment-widget textarea {
            min-height: 120px;
            resize: vertical;
        }
        .site-footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .footer-about p {
            color: #adb5bd;
            margin-bottom: 20px;
        }
        .footer-links h4,
        friend-links h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-links h4::after,
        friend-links h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--accent);
        }
        .footer-links ul,
        friend-links ul {
            list-style: none;
        }
        .footer-links li,
        friend-links li {
            margin-bottom: 12px;
        }
        .footer-links a,
        friend-links a {
            color: #adb5bd;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover,
        friend-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                max-width: 100%;
                margin: 20px 0 0;
            }
            .menu-toggle {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 400px;
                margin-top: 20px;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid var(--gray-light);
            }
            .main-nav a {
                display: block;
                padding: 15px 0;
            }
            .article-header h1 {
                font-size: 2.5rem;
            }
            .main-article {
                padding: 25px;
            }
            .main-article h2 {
                font-size: 2rem;
            }
            .main-article h3 {
                font-size: 1.6rem;
            }
        }