:root {
            --primary: #1a237e;
            --primary-light: #534bae;
            --primary-dark: #000051;
            --accent: #ff9800;
            --accent-light: #ffc947;
            --text-dark: #212121;
            --text-light: #757575;
            --bg-light: #f5f5f5;
            --bg-white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            gap: 25px;
        }
        .main-nav a {
            padding: 8px 12px;
            border-radius: 4px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-light);
        }
        .breadcrumb {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 8px;
            color: var(--accent-light);
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
            text-decoration: underline;
        }
        .search-container {
            background-color: var(--bg-white);
            padding: 30px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid #e0e0e0;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1rem;
            background-color: #f9f9f9;
        }
        .search-input:focus {
            outline: none;
            background-color: white;
        }
        .search-button {
            background: linear-gradient(to right, var(--primary), var(--primary-light));
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background: linear-gradient(to right, var(--primary-light), var(--accent));
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-white);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--bg-light);
            padding-bottom: 25px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .meta-info i {
            color: var(--accent);
            margin-right: 5px;
        }
        .hero-image {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .hero-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hero-image:hover img {
            transform: scale(1.03);
        }
        .article-body h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--primary-light);
        }
        .article-body h3 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin: 40px 0 18px;
        }
        .article-body h4 {
            font-size: 1.5rem;
            color: var(--text-dark);
            margin: 30px 0 15px;
        }
        .article-body p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff8e1;
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip-box {
            background-color: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip-box i {
            color: #4caf50;
            margin-right: 10px;
        }
        .inline-link {
            color: var(--primary-light);
            font-weight: 600;
            border-bottom: 2px dotted var(--primary-light);
        }
        .inline-link:hover {
            color: var(--accent);
            border-bottom-style: solid;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 35px 0;
        }
        .stat-card {
            background: linear-gradient(145deg, var(--primary), var(--primary-dark));
            color: white;
            padding: 25px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-card h3 {
            color: white;
            font-size: 2.5rem;
            margin: 10px 0;
        }
        .quote {
            font-style: italic;
            font-size: 1.3rem;
            color: var(--text-light);
            text-align: center;
            padding: 30px;
            margin: 40px auto;
            max-width: 800px;
            border-top: 1px solid #e0e0e0;
            border-bottom: 1px solid #e0e0e0;
        }
        .quote i {
            color: var(--accent);
            font-size: 1.5rem;
            margin: 0 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--bg-white);
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 15px 0;
            letter-spacing: 5px;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
        }
        .rating-form button {
            background: linear-gradient(to right, var(--accent), var(--accent-light));
            color: var(--primary-dark);
            border: none;
            padding: 15px;
            border-radius: var(--radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 152, 0, 0.3);
        }
        .related-links ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .related-links li a {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            background-color: #f9f9f9;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary-light);
        }
        .related-links li a:hover {
            background-color: #e3f2fd;
            transform: translateX(5px);
        }
        .related-links i {
            color: var(--primary-light);
            margin-right: 10px;
        }
        .comments-section {
            margin-top: 50px;
            background-color: var(--bg-white);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .comments-section h2 {
            color: var(--primary);
            margin-bottom: 30px;
        }
        .comment-form {
            display: grid;
            gap: 20px;
            margin-bottom: 40px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        .comment-form input,
        .comment-form textarea {
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            justify-self: start;
            background: linear-gradient(to right, var(--primary), var(--primary-light));
            color: white;
            border: none;
            padding: 18px 40px;
            border-radius: var(--radius);
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: linear-gradient(to right, var(--primary-light), var(--accent));
            box-shadow: 0 5px 15px rgba(26, 35, 126, 0.2);
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
            margin-top: 40px;
        }
        .comment {
            padding: 25px;
            background-color: #f9f9f9;
            border-radius: var(--radius);
            border-left: 5px solid var(--primary-light);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary);
        }
        .comment-date {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .site-footer {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .footer-links h4 {
            color: var(--accent-light);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links ul li {
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 10px;
            text-align: center;
            font-weight: 600;
        }
        friend-link a:hover {
            color: var(--accent-light);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                padding: 20px;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                padding: 18px 15px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-body h2 {
                font-size: 1.8rem;
            }
            .article-body h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 25px;
            }
            .comments-section {
                padding: 25px;
            }
        }