:root {
            --primary: #1a73e8;
            --primary-dark: #0d47a1;
            --secondary: #ff6d00;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
            --gray-light: #dadce0;
            --success: #34a853;
            --warning: #fbbc05;
            --danger: #ea4335;
            --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;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: #fff;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--primary-dark);
        }
        .nav-desktop ul {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            color: var(--gray);
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--primary);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .nav-mobile {
            display: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 12px 20px;
            border-bottom: 1px solid var(--gray-light);
            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(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 1px solid var(--gray-light);
            padding-bottom: 20px;
        }
        .article-header h1 {
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .featured-image {
            margin: 30px 0;
            position: relative;
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body h2 {
            font-size: 1.8rem;
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            color: var(--primary-dark);
        }
        .article-body h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: var(--dark);
        }
        .article-body p {
            margin-bottom: 24px;
            text-align: justify;
        }
        .article-body emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .article-body strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            border-left: 5px solid var(--primary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip {
            background-color: #e8f5e9;
            border-left: 5px solid var(--success);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip strong {
            color: var(--success);
        }
        .article-body ul {
            list-style: disc;
            margin-left: 20px;
            margin-bottom: 24px;
        }
        .article-body li {
            margin-bottom: 10px;
        }
        .sidebar-widget {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
            color: var(--primary-dark);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid var(--gray-light);
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-dark);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--gray-light);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning);
        }
        .rating-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            margin-top: 15px;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--primary-dark);
        }
        .related-links ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .related-links a {
            display: block;
            padding: 12px 15px;
            background-color: white;
            border-radius: var(--radius);
            border: 1px solid var(--gray-light);
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .comments-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid var(--gray-light);
        }
        .comments-section h2 {
            font-size: 1.8rem;
            margin-bottom: 30px;
        }
        .comment-form {
            background-color: var(--light);
            padding: 30px;
            border-radius: var(--radius);
            margin-bottom: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--gray-light);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--success);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #2e8b47;
        }
        .comment-list .comment {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 25px;
            border-left: 4px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            flex-wrap: wrap;
            gap: 10px;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary-dark);
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .footer-links {
            background-color: var(--dark);
            padding: 50px 20px;
            margin-top: 60px;
        }
        .footer-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: white;
            font-size: 1.1rem;
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .web-link a:last-child {
            border-bottom: none;
        }
        .web-link a:hover {
            color: var(--secondary);
            padding-left: 10px;
        }
        .site-footer {
            background-color: #151515;
            color: var(--gray-light);
            padding: 30px 20px;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .social-links {
            display: flex;
            gap: 20px;
            font-size: 1.5rem;
        }
        .social-links a {
            color: var(--gray-light);
        }
        .social-links a:hover {
            color: var(--primary);
        }
        .copyright {
            font-size: 0.9rem;
            color: var(--gray);
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-mobile {
                display: block;
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
            }
            .nav-mobile.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-mobile ul {
                padding: 20px;
                display: flex;
                flex-direction: column;
                gap: 0;
            }
            .nav-mobile a {
                display: block;
                padding: 15px 0;
                border-bottom: 1px solid var(--gray-light);
                font-weight: 600;
                color: var(--dark);
            }
            .nav-mobile a:last-child {
                border-bottom: none;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(6px, -6px);
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .main-content {
                padding: 30px 15px;
            }
        }
        @media print {
            .site-header,
            .sidebar,
            .comments-section,
            .footer-links,
            .site-footer,
            .breadcrumb {
                display: none;
            }
            .main-content {
                grid-template-columns: 1fr;
                padding: 0;
            }
            body {
                font-size: 12pt;
                color: #000;
            }
            a {
                color: #000;
                text-decoration: underline;
            }
        }